MAX9812 データシートの表示（PDF） - Dallas Semiconductor -> Maxim Integrated

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MAX9812

Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain Microphone Amplifiers with Integrated Bias

Dallas Semiconductor -> Maxim Integrated 

Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain

Microphone Amplifiers with Integrated Bias

VDD

0.1µF

VDD

220kΩ

0.1µF

IN1/IN2 VCC

0.1µF

0.1µF

OUT

IN1

22kΩ

2.2kΩ

MAX9813

IN2

CODEC

1µF

15kΩ

0.68µF

0.68µF 15kΩ

HPF

VDD

BIAS

SVDD

PVDD

0.047µF 27.4kΩ

GAINLB

GAINLA

33.2kΩ

15kΩ

OUTL+

INL1

OUTL-

INL2

0.68µF 15kΩ

MAX9760

INR1

2.2kΩ

0.1µF

BIAS GND SHDN

0.68µF 15kΩ

HPF

INR2

VDD

1kΩ 1kΩ 10kΩ

MICROCONTROLLER

SCL

SDA

ADD

INT

SHDN

OUTR-

OUTR+

GAINRA

GAINRB

15kΩ

33.2kΩ

27.4kΩ

0.047µF

47kΩ

HPS

220µF

10kΩ

220µF

10kΩ

VDD

680kΩ

Figure 1. Typical Application Circuit

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