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TS4872 fiches techniques PDF

STMicroelectronics - RAIL TO RAIL INPUT/OUTPUT 1W AUDIO POWER AMPLIFIER WITH STANDBY MODE

Numéro de référence TS4872
Description RAIL TO RAIL INPUT/OUTPUT 1W AUDIO POWER AMPLIFIER WITH STANDBY MODE
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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TS4872 fiche technique
TS4872
RAIL TO RAIL INPUT/OUTPUT
1W AUDIO POWER AMPLIFIER WITH STANDBY MODE
s OPERATING FROM VCC = 2.2V to 5.5V
s RAIL TO RAIL INPUT/OUTPUT
s 1W OUTPUT POWER @ Vcc=5V, THD=1%,
f=1kHz, with 8Load
s ULTRA LOW CONSUMPTION IN STANDBY
MODE (10nA)
s 75dB PSRR @ 217Hz @ 5 & 2.6V
s ULTRA LOW POP & CLICK
s ULTRA LOW DISTORTION (0.05%)
s UNITY GAIN STABLE
s 8 X170µm BUMPS FLIP CHIP PACKAGE
DESCRIPTION
The TS4872 is an Audio Power Amplifier capable
of delivering 1W of continuous RMS Ouput Power
into 8load @ 5V.
This Audio Amplifier is exhibiting 0.1% distortion
level (THD) from a 5V supply for a Pout = 250mW
RMS. An external standby mode control reduces
the supply current to less than 10nA. An internal
shutdown protection is provided.
The TS4872 has been designed for high quality
audio applications such as mobile phones and to
minimize the number of external components.
The unity-gain stable amplifier can be configured
by external gain setting resistors.
APPLICATIONS
s Mobile Phones (Cellular / Cordless)
s PDAs
s Laptop/Notebook computers
s Portable Audio Devices
ORDER CODE
Part
Number
TS4872IJT
Temperature
Range
-40, +85°C
Package
J
q
Marking
YW4872
J = Flip Chip Package - only available in Tape & Reel (JT)
October 2002
PIN CONNECTIONS (Top View)
TS4872IJT - FLIP CHIP
7 65
Vin+ Vcc STDBY
8 Vout1
Vout2 4
Vin GND BYPASS
12
3
TYPICAL APPLICATION SCHEMATIC
Audio
Input
Rin
Cin
Cfeed
Rfeed Vcc
6
1 Vin- -
7 Vin+ +
Vcc
Rstb
3 Bypass
5 Standby
Bias
Cb
2
Cs
Vout1 8
-
Av=-1
+
Vout2 4
RL
8 Ohms
TS4872
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