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Maxim > Solutions > Glucose Meters
Microphone Amplifiers
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| Display |
Title / Parts |
Key Advantages |
| QV PDF |
Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain Microphone Amplifiers with Integrated Bias
MAX9812, MAX9812H, MAX9812L, MAX9813, MAX9813H, MAX9813L
| Industry's Smallest, Low-Noise, Low-Power Microphone Amplifiers with Integrated Bias |
| QV PDF |
Electret Condenser Microphone Cartridge Preamplifier
MAX9810, MAX9810A, MAX9810B, MAX9810C
| The MAX9810 microphone preamplifier is intended for use inside electret condenser microphone (ECM) cartridges. The MAX9810 replaces the FET currently used with a high-gain, high-noise rejection, low output-impedance amplifier. |
| 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
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No
|
10
|
10
|
Yes
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MAX9812L
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1
|
2.7
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3.6
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0.23
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0.04
|
40
|
100
|
Single Ended
|
No
|
10
|
10
|
Yes
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MAX9813H
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2
|
4.5
|
5.5
|
0.23
|
0.015
|
40
|
100
|
Single Ended
|
No
|
10
|
10
|
Yes
|
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MAX9813L
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2
|
2.7
|
3.6
|
0.23
|
0.04
|
40
|
100
|
Single Ended
|
No
|
10
|
10
|
Yes
|
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MAX9810A
|
1
|
2.3
|
5.5
|
0.67
|
0.02
|
16
|
82
|
Single Ended
|
No
|
16
|
16
|
No
|
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MAX9810B
|
1
|
2.3
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5.5
|
0.67
|
0.02
|
16
|
82
|
Single Ended
|
No
|
22
|
22
|
No
|
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MAX9810C
|
1
|
2.3
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5.5
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0.67
|
0.02
|
16
|
82
|
Single Ended
|
No
|
31
|
31
|
No
|
| See All Microphone Amplifiers (17) |
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