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TPA4411YZH Datasheet

  • TPA4411YZH

  • 80-mW CAPLESS STEREO HEADPHONE DRIVER

  • 838.68KB

  • 21頁

  • TI

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TPA4411
www.ti.com
SLOS430 鈥?AUGUST 2004
80-mW CAPLESS STEREO HEADPHONE DRIVER
FEATURES
鈥?/div>
Ground-Referenced Outputs Eliminate
DC-Bias Voltages on Headphone Ground Pin
鈥?No Output DC-Blocking Capacitors
鈥?/div>
Reduced Board Area
鈥?/div>
Reduced Component Cost
鈥?/div>
Improved THD+N Performance
鈥?/div>
No Degradation of Low-Frequency
Response Due to Output Capacitors
Wide Power Supply Range: 1.8 V to 4.5 V
80-mW/Ch Output Power into 16-鈩?at 4.5 V
Independent Right and Left Channel
Shutdown Control
Short-Circuit and Thermal Protection
Pop Reduction Circuitry
Space Saving Pb-Free Packages
鈥?20-pin, 4 mm
脳
4 mm ThinQFN
鈥?16-ball, 2 mm
脳
2 mm WCSP
(Product Preview)
APPLICATIONS
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Notebook Computers
CD / MP3 Players
Smart Phones
Cellular Phones
PDAs
DESCRIPTION
The TPA4411 is a stereo headphone driver designed
to allow the removal of the output dc-blocking capaci-
tors for reduced component count and cost. The
TPA4411 is ideal for small portable electronics where
size and cost are critical design parameters.
The TPA4411 is capable of driving 80 mW into a
16-鈩?load at 4.5 V. The TPA4411 has a fixed gain of
-1.5 V/V and headphone outputs have
鹵8-kV
IEC
ESD protection. The TPA4411 has independent shut-
down control for the right and left audio channels.
The TPA4411 is available in a 20-pin, 4 mm
脳
4 mm
ThinQFN package.
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
.
TLV320AIC26
or
TLV320AIC28
HPL
or
SPK1
HPR
or
SPK2
TPA2012D2
Shutdown
Control
SDL
SDR
INR
TPA4411
PGND
SGND
OUTL
OUTR
INL
1.8 鈭?4.5 V
PV
DD
SV
DD
C1P
C1N
PV
SS
SV
SS
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
UNLESS OTHERWISE NOTED this document contains PRO-
DUCTION DATA information current as of publication date. Prod-
ucts conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily
include testing of all parameters.
Copyright 漏 2004, Texas Instruments Incorporated

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