Datasheet > SGM4822

SGM4822

更新时间： 2023-09-03 20:24:54

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
15页	752K
描述
Single/Dual-Input, Fixed-Gain Microphone Amplifier with Integrated Bias

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数据手册

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SGM4822 数据手册

SGM4822/SGM4823

SGM4825/SGM4826

Single/Dual-Input, Fixed-Gain

Microphone Amplifiers with Integrated Bias

PIN CONFIGURATIONS

SGM4822 (TOP VIEW)

SGM4823 (TOP VIEW)

OUT

GND

10 V_CC

WAKEUP

SHDN

RESET

BIAS

SHDN

IN1

SGM4822

SOT-23-8

SGM4823

MSOP-10

GND

OUT

BIAS

V_CC

IN1/IN2

WAKEUP

IN2

RESET

SGM4825 (TOP VIEW)

SGM4826 (TOP VIEW)

IN1/IN2

SHDN

IN2

IN1

SHDN

GND

OUT

BIAS

V_CC

SGM4825

SGM4826

GND

OUT

BIAS

V_CC

SOT-23-6

SOT-23-8

PIN DESCRIPTION

NAME

FUNCTION

SGM4822 SGM4823 SGM4825 SGM4826

WAKEUP Output to Wake up External Equipment in Sleeping Mode.

Active Low Shutdown Input. Logic high enables the device. Logic low

‒

disables the device and turns it into shutdown mode. Do not leave this pin

floating.

SHDN

‒

GND

OUT

V_CC

Ground.

Amplifier Output.

Positive Supply. Connect a 0.1μF capacitor between V_CCpin and GND pin.

Low Noise Microphone Bias Output.

BIAS

Amplifier Input.

‒

RESET WAKEUP Reset Pin and Set SGM4822/SGM4823 to Monitor Mode.

IN1

IN2

Amplifier Input 1.

Amplifier Input 2.

Input Selection Pin. When this pin is pulled high, IN1 is selected. While this

pin is pulled low, IN2 is selected.

IN1/IN2

SG Micro Corp

www.sg-micro.com

SEPTEMBER 2018

1 234 5 6 7...15

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