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TS472 データシート(PDF) 1 Page - STMicroelectronics

部品番号 TS472
部品情報  Very Low Noise Microphone Preamplifier with 2V Biased Output and Active Low Standby Mode
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS472 データシート(HTML) 1 Page - STMicroelectronics

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Rev 2
October 2005
1/20
20
TS472
Very Low Noise Microphone Preamplifier
with 2V Biased Output and Active Low Standby Mode
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 @ -3dB and adjustable
Active low standby mode function (1
µA max)
Low noise 2.0V microphone bias output
Available in flip-chip lead-free 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
Order Codes
IN+
IN-
GND
OUT+
C2
C1
OUTPUT
BIAS
GS
VCC
OUT-
STDBY
BYPASS
Flip-chip - 12 bumps
Pin Connections (top view)
Part Number
Temperature Range
Package
Packing
Marking
TS472EIJT
-40, +85°C
Flip-Chip
Tape & Reel
472
www.st.com


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