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TPA2013D1 Datasheet(PDF) 1 Page - Texas Instruments

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No. de Pieza. TPA2013D1
Descripción  2.7-W CONSTANT OUTPUT POWER CLASS-D AUDIO AMPLIFIER WITH INTEGRATED BOOST CONVERTER
Descarga  30 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPA2013D1 Datasheet(HTML) 1 Page - Texas Instruments

 
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1
FEATURES
APPLICATIONS
DESCRIPTION
V
DD
SW
IN–
IN+
AGND
PGND
VOUT+
VOUT–
V
OUT
CC
V
IN
CC
10 F
m
22 F
m
1 F
m
ToBattery
Differential
Input
C
IN
C
IN
V
FB
CC
SDb
SDd
ShutDownBoost
ShutDownClassD
GAIN
Gain(V
/Float/GND)
CC
2.2to6.2 H
m
GPIO
1 F
m
R1
50k
R2
500k
TPA2013D1
TPA2013D1
SLOS520 – AUGUST 2007
www.ti.com
2.7-W CONSTANT OUTPUT POWER CLASS-D AUDIO AMPLIFIER WITH INTEGRATED
BOOST CONVERTER
• Cell Phones
• High Efficiency Integrated Boost Converter
(Over 90% Efficiency)
• PDA
• GPS
• 2.2-W into an 8-Ω Load from a 3.6-V Supply
• Portable Electronics
• 2.7-W into an 4-Ω Load from a 3.6-V Supply
• Operates from 1.8 V to 5.5 V
• Efficient Class-D Prolongs Battery Life
The TPA2013D1 is a high efficiency Class-D audio
• Independent Shutdown for Boost Converter
power amplifier with an integrated boost converter. It
and Class-D Amplifier
drives up to 2.7 W (10% THD+N) into a 4
Ω speaker.
• Differential Inputs Reduce RF Common Noise
With 85% typical efficiency, the TPA2013D1 helps
extend battery life when playing audio.
• Built-in INPUT Low Pass Filter Decreases RF
and Out of Band Noise Sensitivity
The built-in boost converter generates the voltage rail
• Synchronized Boost and Class-D Eliminates
for the Class-D amplifier. This provides a louder
Beat Frequencies
audio output than a stand-alone amplifier connected
directly to the battery. It also maintains a consistent
• Thermal and Short-Circuit Protection
loudness, regardless of battery voltage. Additionally,
• Available in 2.275 mm x 2.275 mm 16-ball
the boost converter can be used to supply external
WCSP and 4 mm x 4 mm 20-Lead QFN
devices.
Packages
The TPA2013D1 has an integrated low pass filter to
• 3 Selectable Gain Settings of 2 V/V, 6 V/V, and
improve RF rejection and reduce out-of-band noise,
10 V/V
increasing the signal to noise ratio (SNR). A built-in
PLL synchronizes the boost converter and Class-D
switching
frequencies,
thus
eliminating
beat
frequencies and improving audio quality. All outputs
are fully protected against shorts to ground, power
supply, and output-to-output shorts.
1
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.
PRODUCTION DATA information is current as of publication date.
Copyright © 2007, 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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