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TS4851EIJT 데이터시트(PDF) 1 Page - STMicroelectronics

부품명 TS4851EIJT
상세설명  MONO 1 W SPEAKER AND STEREO 160 mW HEADSET BTL DRIVERS WITH DIGITAL VOLUME CONTROL
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

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March 2005
Revision 5
1/28
■ Operating from V
CC = 3V to 5.5V
■ Rail to rail input/output
■ Speaker driver with 1 W output @ Vcc = 5V,
THD+N = 1%, F = 1kHz, 8
Ω load
■ Headset drivers with 160 mW output @
Vcc = 5V, THD+N = 1%, F = 1kHz, 32
Ω load
■ Headset output is 30mW in stereo @
Vcc = 3V
■ THD+N < 0.5% Max @ 20mW into 32BTL,
50Hz < Frequency < 20kHz
■ 32-step digital volume control from -
34.5dB to +12dB
■ +6dB power up volume and full standby
■ 8 different output modes
■ Pop & click reduction circuitry
■ Low shutdown current (< 100nA)
■ Thermal shutdown protection
■ Flip-chip package 18 x 300µm bumps
Description
The TS4851 is a low power audio amplifier that
can drive either both a mono speaker or a stereo
headset. To the speaker, it can deliver 400 mW
(typ.) of continuous RMS output power into an 8
load with a 1% THD+N value. To the headset
driver, the amplifier can deliver 30 mW (typ.) per
channel of continuous average power into a
stereo 32
bridged-tied load with 0.5% THD+N
@ 3.3V.
This device features a 32-step digital volume
control and 8 different output selections. The
digital volume and output modes are controlled
through a three-digit SPI interface bus.
Pin Connections (top view)
Applications
■ Mobile Phones
Order Codes
J = Flip Chip Package - only available in Tape & Reel (JT))
Pin Out (top view)
TS485IJT - Flip-chip
TS485EIJT - Lead free Flip-chip
BYPASS
R
OUT<
-
R
OUT +
GND
L
OUT +
L
OUT -
R
IN
L
IN
VCC
DATA
VCC
NC
PHONE
IN
SPKR
OUT+
SPKR
OUT -
ENB
GND
CLK
BYPASS
R
OUT<
-
R
OUT +
GND
L
OUT +
L
OUT -
R
IN
L
IN
VCC
DATA
VCC
NC
PHONE
IN
SPKR
OUT+
SPKR
OUT -
ENB
GND
CLK
Part Number
Temperature Range
Package
Packaging
Marking
TS4851IJT
-40, +85°C
Flip-Chip
Tape & Reel
A51
TS4851EIJT
Lead free Flip-Chip
A51
TS4851
Mono 1W Speaker and Stereo 160mW Headset
BTL Drivers with Digital Volume Control


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