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TPA2015D1 Fiches technique(PDF) 1 Page - Texas Instruments

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No de pièce TPA2015D1
Description  2 W Constant Output Power Class-D Audio Amplifier With Adaptive Boost Converter andBattery Tracking SpeakerGuard??AGC
Download  28 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPA2015D1 Fiches technique(HTML) 1 Page - Texas Instruments

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background image
IN-
IN+
GAIN
ENB
END
GND
VBAT
SW PVOUT PVDD
OUT+
OUT-
AGC
2.2 H
m
6.8 F - 22 F
m
m
TPA2015D1
Differential
Audio Inputs
Gain Control
AGC Control
Boost Enable
Class-D Enable
2.2 F - 10 F
m
m
Connected to Supply
TPA2015D1
www.ti.com
SLOS638A
– NOVEMBER 2011 – REVISED NOVEMBER 2011
2 W Constant Output Power Class-D Audio Amplifier With Adaptive Boost Converter and
Battery Tracking SpeakerGuard
™ AGC
Check for Samples: TPA2015D1
1
FEATURES
DESCRIPTION
2
Built-In SpeakerGuardTM Automatic Gain
The TPA2015D1 is a high efficiency Class-D audio
Control (AGC) with Enhanced Battery Tracking
power amplifier with battery-tracking SpeakerGuard
– Limits Battery Current Consumption
AGC technology and an integrated adaptive boost
– Prevents Audio Clipping
converter that enhances efficiency at low output
power. It drives up to 2 W into an 8
Ω speaker (6%
2 W into 8
Ω Load From 3.6 V Supply (6% THD)
THD). With 85% typical efficiency, the TPA2015D1
Integrated Adaptive Boost Converter
helps extend battery life when playing audio.
– Increases Efficiency at Low Output Power
The built-in boost converter generates a 5.5 V supply
Low Quiescent Current of 1.7 mA from 3.6 V
voltage for the Class-D amplifier. This provides a
Operates From 2.5 V to 5.2 V
louder audio output than a stand-alone amplifier
directly
connected
to
the
battery.
The
Thermal and Short-Circuit Protection with
SpeakerGuardTM AGC adjusts the Class-D gain to
Auto Recovery
limit battery current and prevent heavy clipping.
Three Gain Settings: 6 dB, 15.5 dB, and 20 dB
The TPA2015D1 has an integrated low-pass filter to
Independent Control for Boost and Class-D
improve
the
RF
rejection
and
reduce
DAC
Pin-to-Pin Compatible with TPA2013D1
out-of-band noise, increasing the signal to noise ratio
Available in 1.954 mm
× 1.954 mm 16-ball
(SNR).
WCSP Package
The TPA2015D1 is available in a space saving
1.954 mm
× 1.954 mm, 0.5 mm pitch WCSP package
APPLICATIONS
(YZH).
Cell Phones, PDA, GPS
Portable Electronics and Speakers
SIMPLIFIED APPLICATION DIAGRAM
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.
2
SpeakerGuard is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright
© 2011, 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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