TS472EIJT datasheet(1/24 Pages) STMICROELECTRONICS

부품명	TS472EIJT

상세설명	Very low noise microphone preamplifier with 2.0V bias output and active low standby mode

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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September 2006

Rev 4

1/24

24

TS472

Very low noise microphone preamplifier with

2.0V bias output and active low standby mode

Features

■ Low noise: 10nV/

√Hz typ. equivalent input

noise @ F = 1kHz

■ Fully differential input/output

■ 2.2V to 5.5V single supply operation

■ Low power consumption @20dB: 1.8mA

■ Fast start up time @ 0dB: 5ms typ.

■ Low distortion: 0.1% typ.

■ 40kHz bandwidth regardless of the gain

■ Active low standby mode function (1

μA max)

■ Low noise 2.0V microphone bias output

■ Available in flip-chip lead-free package and in

QFN24 4x4mm package

■ ESD protection (2kV)

Description

The TS472 is a differential-input microphone

preamplifier optimized for high-performance, PDA

and notebook audio systems.

This device features an adjustable gain from 0dB

to 40dB with excellent power-supply and

common-mode rejection ratios. In addition, the

TS472 has a very low-noise microphone bias

generator of 2V.

It also includes a complete shutdown function,

with active low standby mode.

Applications

■ Video and photo cameras with sound input

■ Sound acquisition & voice recognition

■ Video conference systems

■ Notebook computers and PDAs

IN+

IN-

GND

OUT+

C2

C1

OUTPUT

BIAS

GS

VCC

OUT-

STDBY

BYPASS

Flip-chip - 12 bumps

Pin Connections (top view)

QFN24

Pin Connection (top view)

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유사한 부품 번호 - TS472EIJT

제조업체	부품명	데이터시트	상세설명
STMicroelectronics	TS472EIJT	611Kb / 20P	Very Low Noise Microphone Preamplifier with 2V Biased Output and Active Low Standby Mode

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유사한 설명 - TS472EIJT

제조업체	부품명	데이터시트	상세설명
STMicroelectronics	TS472	611Kb / 20P	Very Low Noise Microphone Preamplifier with 2V Biased Output and Active Low Standby Mode
STMicroelectronics	AN2240	253Kb / 9P	low noise microphone preamplifier with 2 V bias
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STMicroelectronics	TDA3420	171Kb / 5P	DUAL VERY LOW NOISE PREAMPLIFIER
rfsolutions.ltd	SP2	706Kb / 2P	Low noise balanced input microphone preamplifier
Analog Devices	SSM2167-1RMZ-R7	216Kb / 12P	Low Voltage Microphone Preamplifier with Variable Compression and Noise Gating Rev. G

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