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Maxim > 方案 > 音频IC
麦克风放大器
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| 显示 |
标题/型号 |
关键优势 |
| QV PDF |
I²C可编程增益放大器，用于音频产品
DS4420
| 全差分、可编程增益放大器，适合音频应用 |
| QV PDF |
750mW音频放大器，带有耳机放大器、麦克风前置放大器和输入复用器
MAX9765, MAX9766, MAX9767
| 750mW音频放大器，具有耳机放大器、麦克风前置放大器和复用器，可理想用于便携式音频产品 |
| 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
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| 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 |
差分麦克风前置放大器，内部偏置并可完全关断
MAX4060, MAX4061, MAX4062
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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:
Integrated Amplifiers |
| Part Number |
Functions |
Class |
Speaker Amp. VCC (min) (V) |
Speaker Amp. VCC (max) (V) |
Speaker Amp. ICC (typ) (mA) |
Speaker Amp. POUT (W) |
Speaker Amp. Half Pwr. THD+N (%) |
Headphone Amp. VCC (min) (V) |
Headphone Amp. VCC (max) (V) |
Headphone Amp. ICC (typ) (mA) |
Headph. Amp. POUT into 32Ω @1% THD+N (W) |
Headphone Amp. Half Pwr. THD+N (%) |
Package |
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MAX9765
|
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AB
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2.7
|
5.5
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12
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0.75
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0.09
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2.7
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5.5
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7
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0.04
|
0.006
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THIN QFN/32
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MAX9766
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AB
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2.7
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5.5
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7
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0.75
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0.09
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2.7
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5.5
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7
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0.04
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0.006
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THIN QFN/32
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MAX9767
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AB
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2.7
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5.5
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12
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0.75
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0.09
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2.7
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5.5
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7
|
0.04
|
0.006
|
THIN QFN/32
|
| See All Integrated Amplifiers (21) |
| 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 |
Package |
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MAX9812H
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1
|
4.5
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5.5
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0.23
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0.015
|
40
|
100
|
Single Ended
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No
|
10
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10
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Yes
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SC-70/6
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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
|
10
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10
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Yes
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SC-70/6
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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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SOT-23/8
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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
|
SOT-23/8
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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
|
95
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Differential with Aux
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Yes
|
20
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20
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Yes
|
THIN QFN/16
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|
MAX9810A
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1
|
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
|
82
|
Single Ended
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No
|
16
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16
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No
|
See Data Sheet
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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
|
22
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22
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No
|
See Data Sheet
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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
|
31
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31
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No
|
See Data Sheet
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MAX4060
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2
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4.5
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5.5
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0.75
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0.05
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100
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90
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Differential with Aux
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No
|
10
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10
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Yes
|
THIN QFN (Dual)/8
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MAX4061
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1
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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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20
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90
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Differential
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No
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10
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10
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No
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THIN QFN (Dual)/8
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MAX4062
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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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20
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90
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Differential with Aux
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Yes
|
10
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10
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Yes
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uMAX/10
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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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SC-70/5
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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
|
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
|
SC-70/5
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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
|
SOT-23/8
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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
|
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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Yes
|
SOT-23/8
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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
|
80
|
112
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Single Ended
|
Yes
|
-
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-
|
No
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SOT-23/8
|
| 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. 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 |
Operating Temp. Range (°C) |
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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
|
105
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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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SC-70/5
SOT-23/5
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-40 to +125
|
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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
|
105
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6,000
|
92
|
96
|
50
|
1.3
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1
|
66
|
0.13
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No
|
SOIC/14
TSSOP/14
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-40 to +125
|
|
LMX358
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2
|
Output Only
|
1
|
2.3
|
7
|
105
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6,000
|
92
|
96
|
50
|
1.3
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1
|
66
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0.13
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No
|
SOIC/8
SOT-23/8
uMAX/8
|
-40 to +125
|
|
MAX4400
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1
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Output Only
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1
|
2.5
|
5.5
|
320
|
4,500
|
84
|
100
|
0.1
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0.8
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1
|
36
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0.001
|
No
|
SC-70/5
SOT-23/5
|
-40 to +125
|
|
MAX4401
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1
|
Output Only
|
1
|
2.5
|
5.5
|
320
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4,500
|
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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Yes
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SC-70/6
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-40 to +125
|
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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
|
320
|
5,500
|
84
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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
|
SOIC/8
SOT-23/8
uMAX/8
|
-40 to +125
|
|
MAX4403
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4
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Output Only
|
1
|
2.5
|
5.5
|
320
|
5,500
|
84
|
100
|
0.1
|
0.8
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1
|
36
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0.001
|
No
|
SOIC/14
TSSOP/14
|
-40 to +125
|
|
MAX4249
|
2
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Output Only
|
10
|
2.4
|
5.5
|
420
|
750
|
115
|
100
|
0.1
|
22
|
2.1
|
8.9
|
0.0005
|
Yes
|
SOIC/14
uMAX/10
|
-40 to +85
|
|
MAX4250
|
1
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Output Only
|
1
|
2.4
|
5.5
|
420
|
750
|
115
|
100
|
0.1
|
3
|
0.3
|
8.9
|
0.0005
|
No
|
SOT-23/5
|
-40 to +85
|
|
MAX4251
|
1
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Output Only
|
1
|
2.4
|
5.5
|
420
|
750
|
115
|
100
|
0.1
|
3
|
0.3
|
8.9
|
0.0005
|
Yes
|
SOIC/8
uMAX/8
|
-40 to +85
|
|
MAX4252
|
2
|
Output Only
|
1
|
2.4
|
5.5
|
420
|
750
|
115
|
100
|
0.1
|
3
|
0.3
|
8.9
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0.0005
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No
|
SOIC/8
UCSP/0
UCSP/8
uMAX/8
|
-40 to +85
|
|
MAX4253
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2
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Output Only
|
1
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2.4
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5.5
|
420
|
750
|
115
|
100
|
0.1
|
3
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0.3
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8.9
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0.0005
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Yes
|
SOIC/14
UCSP/0
UCSP/10
uMAX/10
|
-40 to +85
|
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MAX4254
|
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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750
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115
|
100
|
0.1
|
3
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0.3
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8.9
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0.0005
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No
|
SOIC/14
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-40 to +85
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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
|
750
|
115
|
100
|
0.1
|
22
|
2.1
|
8.9
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0.0005
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No
|
SOT-23/5
|
-40 to +85
|
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MAX4256
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1
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Output Only
|
10
|
2.4
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5.5
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420
|
750
|
115
|
100
|
0.1
|
22
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2.1
|
8.9
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0.0005
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No
|
SOIC/8
uMAX/8
|
-40 to +85
|
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MAX4257
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2
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Output Only
|
10
|
2.4
|
5.5
|
420
|
750
|
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
|
SOIC/8
uMAX/8
|
-40 to +85
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| See All Operational Amplifiers (141) |
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法律声明
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