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 |
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 |
|
MAX9812H
|
1
|
4.5
|
5.5
|
0.23
|
0.015
|
40
|
100
|
Single Ended
|
No
|
10
|
10
|
Yes
|
|
MAX9812L
|
1
|
2.7
|
3.6
|
0.23
|
0.04
|
40
|
100
|
Single Ended
|
No
|
10
|
10
|
Yes
|
|
MAX9813H
|
2
|
4.5
|
5.5
|
0.23
|
0.015
|
40
|
100
|
Single Ended
|
No
|
10
|
10
|
Yes
|
|
MAX9813L
|
2
|
2.7
|
3.6
|
0.23
|
0.04
|
40
|
100
|
Single Ended
|
No
|
10
|
10
|
Yes
|
|
MAX4063
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2
|
2.4
|
5.5
|
0.75
|
0.05
|
12
|
95
|
Differential with Aux
|
Yes
|
20
|
20
|
Yes
|
|
MAX4060
|
2
|
4.5
|
5.5
|
0.75
|
0.05
|
100
|
90
|
Differential with Aux
|
No
|
10
|
10
|
Yes
|
|
MAX4061
|
1
|
2.4
|
5.5
|
0.75
|
0.05
|
20
|
90
|
Differential
|
No
|
10
|
10
|
No
|
|
MAX4062
|
2
|
2.4
|
5.5
|
0.75
|
0.05
|
20
|
90
|
Differential with Aux
|
Yes
|
10
|
10
|
Yes
|
|
MAX4465
|
1
|
2.4
|
5.5
|
0.024
|
0.02
|
80
|
112
|
Single Ended
|
Yes
|
-
|
-
|
No
|
|
MAX4466
|
1
|
2.4
|
5.5
|
0.024
|
0.03
|
80
|
112
|
Single Ended
|
Yes
|
-
|
-
|
No
|
|
MAX4467
|
1
|
2.4
|
5.5
|
0.024
|
0.02
|
80
|
112
|
Single Ended
|
Yes
|
-
|
-
|
Yes
|
|
MAX4468
|
1
|
2.4
|
5.5
|
0.024
|
0.03
|
80
|
112
|
Single Ended
|
Yes
|
-
|
-
|
Yes
|
|
MAX4469
|
2
|
2.4
|
5.5
|
0.024
|
0.02
|
80
|
112
|
Single Ended
|
Yes
|
-
|
-
|
No
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| See All Microphone Amplifiers (14) |
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