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Maxim > 方案 > 无绳电话
麦克风放大器
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| 显示 |
标题/型号 |
关键优势 |
| QV PDF |
微型、低成本、单/双输入、固定增益麦克风放大器，带有集成偏置
MAX9812, MAX9812H, MAX9812L, MAX9813, MAX9813H, MAX9813L
| 业内尺寸最小的低噪声、低功耗麦克风放大器，内置偏置电路 |
| QV PDF |
差分麦克风前置放大器，内部偏置并可完全关断
MAX4063
| |
| QV PDF |
驻极体麦克风前置放大器
MAX9810, MAX9810A, MAX9810B, MAX9810C
| MAX9810麦克风前放设计用于驻极体话筒(ECM)内部。用于取代目前所用的FET，代之以具有高增益，高噪声抑制能力，低输出阻抗的放大器
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| QV PDF |
SOT23封装、3V/5V、单电源、满摆幅仪表放大器
MAX4460, MAX4461, MAX4462
| SOT23封装的精密仪表放大器
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| QV PDF |
单/双/四路、通用、低电压、满摆幅输出运算放大器
LMX321, LMX324, LMX358
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| QV PDF |
低成本、微功耗、SC70/SOT23-8封装、麦克风前置放大器，可完全关断
MAX4465, MAX4466, MAX4467, MAX4468, MAX4469
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| QV PDF |
超高PSRR立体声驱动器 + 麦克风放大器 + 100mA线性稳压器
MAX4298, MAX4299
| 具有极高PSRR的立体声耳机驱动器 |
| QV PDF |
单/双/四路、低成本、单电源、满摆幅运算放大器，带有关断
MAX4400, MAX4401, MAX4402, MAX4403
| 满摆幅、800kHz运算放大器，采用微型SC70和SOT23-8封装 |
| QV PDF |
UCSP封装、单电源、低噪声、低失真、满摆幅运算放大器
MAX4249, MAX4250, MAX4251, MAX4252, MAX4253, MAX4254, MAX4255, MAX4256, MAX4257
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| Key Specifications:
Differential/Instrumentation Amplifiers |
| Part Number |
Architecture |
Amps Per Pkg. |
Input CMVR to Neg. Rail |
Rail to Rail |
Gain (V/V) |
Min. Total Supply (V) |
Max. Total Supply (V) |
Typ. Supply Current per Amp. (mA) |
Max. Supply Current per Amp. (mA) |
Max. VOS (µV) |
Typ. CMRR @ DC (dB) |
Typ PSRR @ DC (dB) |
Max. Input IBIAS (nA) |
Typ. Unity Gain BW (MHz) |
Input CMVR (V) |
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MAX4460
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Indirect Current-Feedback
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1
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Yes
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Output Only
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Adj.
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2.85
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5.25
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0.7
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1.1
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500
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120
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100
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0.1
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2.5
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VSS-0.1 to VDD-1.7
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MAX4461
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Indirect Current-Feedback
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1
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Yes
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Output Only
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1
10
100
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2.85
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5.25
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0.7
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1.1
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500
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120
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100
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0.1
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2.5
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VSS-0.1 to VDD-1.7
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MAX4462
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Indirect Current-Feedback
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1
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Yes
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Output Only
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1
10
100
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2.85
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5.25
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0.7
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1.1
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500
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120
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100
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0.1
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2.5
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VSS-0.1 to VDD-1.7
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| See All Differential/Instrumentation Amplifiers (17) |
| Key Specifications:
Microphone Amplifiers |
| Part Number |
Number of Channels |
Supply Voltage (min) (V) |
Supply Voltage (max) (V) |
Quiescent Supply Current (typ) (mA) |
THD+N (%) |
Input Noise-Voltage Density (nV/√Hz) |
PSRR (db) |
Input Type |
External Gain |
Fixed Gain (min) (|V/V|) |
Fixed Gain (max) (|V/V|) |
Microphone Bias |
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MAX9812H
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1
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4.5
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5.5
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0.23
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0.015
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40
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100
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Single Ended
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No
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10
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10
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Yes
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MAX9812L
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1
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2.7
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3.6
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0.23
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0.04
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40
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100
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Single Ended
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No
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10
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10
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Yes
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MAX9813H
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2
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4.5
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5.5
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0.23
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0.015
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40
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100
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Single Ended
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No
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10
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10
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Yes
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MAX9813L
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2
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2.7
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3.6
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0.23
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0.04
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40
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100
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Single Ended
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No
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10
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10
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Yes
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MAX4063
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2
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2.4
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5.5
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0.75
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0.05
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12
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95
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Differential with Aux
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Yes
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20
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20
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Yes
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MAX9810A
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1
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2.3
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5.5
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0.67
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0.02
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16
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82
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Single Ended
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No
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16
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16
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No
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MAX9810B
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1
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2.3
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5.5
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0.67
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0.02
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16
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82
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Single Ended
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No
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22
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22
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No
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MAX9810C
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1
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2.3
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5.5
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0.67
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0.02
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16
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82
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Single Ended
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No
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31
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31
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No
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MAX4465
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1
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2.4
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5.5
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0.024
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0.02
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80
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112
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Single Ended
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Yes
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-
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-
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No
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MAX4466
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1
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2.4
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5.5
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0.024
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0.03
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80
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112
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Single Ended
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Yes
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-
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-
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No
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MAX4467
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1
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2.4
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5.5
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0.024
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0.02
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80
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112
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Single Ended
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Yes
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-
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-
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Yes
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MAX4468
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1
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2.4
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5.5
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0.024
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0.03
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80
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112
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Single Ended
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Yes
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-
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-
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Yes
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MAX4469
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2
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2.4
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5.5
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0.024
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0.02
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80
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112
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Single Ended
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Yes
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-
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-
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No
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| See All Microphone Amplifiers (17) |
| Key Specifications:
Operational Amplifiers |
| Part Number |
Amps Per Pkg. |
Rail to Rail |
Min. Stable Closed Loop Gain (V/V) |
Min. Total Supply (V) |
Max. Total Supply (V) |
Typ. Supply Current per Amp. (µA) |
Max. Supply Current per Amp. (µA) |
Max. VOS (µV) |
Typ. CMRR @ DC (dB) |
Typ PSRR @ DC (dB) |
Max. Input IBIAS (nA) |
Typ. Unity Gain BW (MHz) |
Typ. Slew Rate (V/µs) |
Input Voltage Noise Density (nV/√Hz) |
Input Current Noise Density (pA/√Hz) |
Low Power Shutdown |
Package |
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LMX321
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1
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Output Only
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1
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2.3
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7
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105
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170
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6,000
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92
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96
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50
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1.3
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1
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66
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0.13
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No
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SC-70/5
SOT-23/5
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LMX324
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4
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Output Only
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1
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2.3
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7
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105
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170
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6,000
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92
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96
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50
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1.3
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1
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66
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0.13
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No
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SOIC/14
TSSOP/14
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LMX358
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2
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Output Only
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1
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2.3
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7
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105
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170
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6,000
|
92
|
96
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50
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1.3
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1
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66
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0.13
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No
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SOIC/8
SOT-23/8
uMAX/8
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MAX4400
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1
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Output Only
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1
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2.5
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5.5
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320
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700
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4,500
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84
|
100
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0.1
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0.8
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1
|
36
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0.001
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No
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SC-70/5
SOT-23/5
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MAX4401
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1
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Output Only
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1
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2.5
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5.5
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320
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700
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4,500
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84
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100
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0.1
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0.8
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1
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36
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0.001
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Yes
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SC-70/6
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MAX4402
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2
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Output Only
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1
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2.5
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5.5
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320
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700
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5,500
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84
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100
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0.1
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0.8
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1
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36
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0.001
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No
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SOIC/8
SOT-23/8
uMAX/8
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MAX4403
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4
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Output Only
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1
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2.5
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5.5
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320
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700
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5,500
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84
|
100
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0.1
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0.8
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1
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36
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0.001
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No
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SOIC/14
TSSOP/14
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MAX4249
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2
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Output Only
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10
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2.4
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5.5
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420
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575
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750
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115
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100
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0.1
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22
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2.1
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8.9
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0.0005
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Yes
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SOIC/14
uMAX/10
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MAX4250
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1
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Output Only
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1
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2.4
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5.5
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420
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575
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750
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115
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100
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0.1
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3
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0.3
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8.9
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0.0005
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No
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SOT-23/5
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MAX4251
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1
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Output Only
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1
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2.4
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5.5
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420
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575
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750
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115
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100
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0.1
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3
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0.3
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8.9
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0.0005
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Yes
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SOIC/8
uMAX/8
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MAX4252
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2
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Output Only
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1
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2.4
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5.5
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420
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575
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750
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115
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100
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0.1
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3
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0.3
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8.9
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0.0005
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No
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SOIC/8
UCSP/0
UCSP/8
uMAX/8
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MAX4253
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2
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Output Only
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1
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2.4
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5.5
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420
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575
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750
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115
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100
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0.1
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3
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0.3
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8.9
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0.0005
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Yes
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SOIC/14
UCSP/0
UCSP/10
uMAX/10
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MAX4254
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4
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Output Only
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1
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2.4
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5.5
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420
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575
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750
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115
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100
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0.1
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3
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0.3
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8.9
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0.0005
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No
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SOIC/14
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MAX4255
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1
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Output Only
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10
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2.4
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5.5
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420
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575
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750
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115
|
100
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0.1
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22
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2.1
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8.9
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0.0005
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No
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SOT-23/5
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MAX4256
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1
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Output Only
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10
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2.4
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5.5
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420
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575
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750
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115
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100
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0.1
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22
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2.1
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8.9
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0.0005
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No
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SOIC/8
uMAX/8
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MAX4257
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2
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Output Only
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10
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2.4
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5.5
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420
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575
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750
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115
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100
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0.1
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22
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2.1
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8.9
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0.0005
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No
|
SOIC/8
uMAX/8
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| See All Operational Amplifiers (137) |
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