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Maxim > 方案 > MP3和便携式媒体播放器
麦克风放大器
Maxim的麦克风放大器提供低成本、低噪声、低失真放大器，非常适合便携式产品。
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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
| 完备的麦克风放大器和偏置电路，SC70封装 |
| 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 |
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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| 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
|
100
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Single Ended
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No
|
10
|
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
|
100
|
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
|
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
|
95
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Differential with Aux
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Yes
|
20
|
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
|
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
|
31
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31
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No
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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
|
90
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Differential with Aux
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No
|
10
|
10
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Yes
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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
|
90
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Differential
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No
|
10
|
10
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No
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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
|
90
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Differential with Aux
|
Yes
|
10
|
10
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Yes
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MAX4465
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1
|
2.4
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5.5
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0.024
|
0.02
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80
|
112
|
Single Ended
|
Yes
|
-
|
-
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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
|
80
|
112
|
Single Ended
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Yes
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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
|
0.02
|
80
|
112
|
Single Ended
|
Yes
|
-
|
-
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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
|
80
|
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
|
112
|
Single Ended
|
Yes
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-
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-
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No
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| See All Microphone Amplifiers (17) |
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