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TPA6205A1 Datasheet(PDF) 1 Page - Texas Instruments

Part No. TPA6205A1
Description  1.25-W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER WITH 1.8-V INPUT LOGIC THRESHOLDS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPA6205A1 Datasheet(HTML) 1 Page - Texas Instruments

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ZQV
DRB
DGN
www.ti.com
FEATURES
APPLICATIONS
DESCRIPTION
APPLICATIONCIRCUIT
Actual SolutionSize
6,9mm
5,25mm
(1)C
B
RI
RI
CS
RF
RF
_
+
VDD
VO+
VO-
GND
ToBattery
Cs
Bias
Circuitry
IN-
IN+
+
-
InFrom
DAC
SHUTDOWN
RI
RI
RF
RF
AppliestotheZQVPackagesOnly
C(
)
BYPASS
(Optional)
TPA6205A1
SLOS490A – JULY 2006 – REVISED AUGUST 2006
1.25-W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER WITH 1.8-V INPUT
LOGIC THRESHOLDS
Designed for Wireless Handsets, PDAs, and
1.25 W Into 8
Ω From a 5-V Supply at
other mobile devices
THD = 1% (Typical)
Compatible with Low Power (1.8V Logic) I/O
Shutdown Pin has 1.8V Compatible
Threshold control signals
Thresholds
Low Supply Current: 1.7mA Typical
Shutdown Current < 10
µA
The TPA6205A1 is a 1.25-W mono fully differential
Only Five External Components
amplifier designed to drive a speaker with at least
– Improved PSRR (90 dB) and Wide Supply
8-
Ω impedance while consuming less than 37 mm2
Voltage (2.5V to 5.5V) for Direct Battery
(ZQV package option) total printed-circuit board
(PCB)
area
in
most
applications.
This
device
Operation
operates from 2.5 V to 5.5 V, drawing only 1.7 mA of
– Fully Differential Design Reduces RF
quiescent
supply
current.
The
TPA6205A1
is
Rectification
available in the space-saving 2 mm x 2 mm
– Improved CMRR Eliminates Two Input
MicroStar Junior™ BGA package, and the space
Coupling Capacitors
saving 3 mm x 3 mm QFN (DRB) package.
– C(BYPASS) Is Optional Due to Fully
Features like 85-dB PSRR from 90 Hz to 5 kHz,
Differential Design and High PSRR
improved RF-rectification immunity, and small PCB
area makes the TPA6205A1 ideal for wireless
Available in 3 mm x 3 mm QFN Package
handsets. A fast start-up time of 4
µs with minimal
(DRB)
pop
makes
the
TPA6205A1
ideal
for
PDA
Available in an 8-Pin PowerPAD™ MSOP
applications.
(DGN)
Avaliable in a 2 mm x 2 mm MicroStar
Junior™ BGA Package (ZQV)
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, MicroStar Junior are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2006, 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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