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TPA6211A1 Datasheet(PDF) 1 Page - Texas Instruments

Part No. TPA6211A1
Description  3.1-W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER
Download  29 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPA6211A1 Datasheet(HTML) 1 Page - Texas Instruments

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FEATURES
APPLICATIONS
DESCRIPTION
APPLICATION CIRCUIT
_
+
VDD
VO+
VO-
GND
6
5
8
7
To Battery
Cs
Bias
Circuitry
IN-
IN+
4
3
2
+
-
In From
DAC
SHUTDOWN
RI
RI
1
C(BYPASS)(1)
DGN PACKAGE
(TOP VIEW)
1
2
3
4
8
7
6
5
SHUTDOWN
BYPASS
IN+
IN-
VO-
GND
VDD
VO+
100 k
40 k
40 k
8
SHUTDOWN
BYPASS
IN+
IN-
VO-
GND
VDD
VO+
8-PIN QFN (DRB) PACKAGE
(TOP VIEW)
7
6
5
1
2
3
4
(1) C(BYPASS) is optional.
TPA6211A1
SLOS367B – AUGUST 2003 – REVISED AUGUST 2004
3.1-W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER
Ideal for Wireless Handsets, PDAs, and
Designed for Wireless or Cellular Handsets
Notebook Computers
and PDAs
3.1 W Into 3
Ω From a 5-V Supply at
THD = 10% (Typ)
The TPA6211A1 is a 3.1-W mono fully-differential
Low Supply Current: 4 mA Typ at 5 V
amplifier designed to drive a speaker with at least
Shutdown Current: 0.01 µA Typ
3-
Ω impedance while consuming only 20 mm2 total
Fast Startup With Minimal Pop
printed-circuit board (PCB) area in most applications.
The device operates from 2.5 V to 5.5 V, drawing
Only Three External Components
only
4
mA
of
quiescent
supply
current.
The
– Improved PSRR (-80 dB) and Wide Supply
TPA6211A1
is
available
in
the
space-saving
Voltage (2.5 V to 5.5 V) for Direct Battery
3-mm
× 3-mm QFN (DRB) and the 8-pin MSOP
Operation
(DGN) PowerPAD™ packages.
– Fully Differential Design Reduces RF
Features like -80 dB supply voltage rejection from
Rectification
20 Hz to 2 kHz, improved RF rectification immunity,
– -63 dB CMRR Eliminates Two Input
small PCB area, and a fast startup with minimal pop
Coupling Capacitors
makes the TPA6211A1 ideal for PDA/smart phone
applications.
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.
PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2003–2004, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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