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TPA2080D1 数据表(PDF) 1 Page - Texas Instruments

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部件名 TPA2080D1
功能描述  2.2 W Constant Output Power Class-D Audio Amplifier with Class-G Boost Converter
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

TPA2080D1 数据表(HTML) 1 Page - Texas Instruments

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YZG
TPA2080D1
www.ti.com
SLOS733A – JANUARY 2012 – REVISED OCTOBER 2012
2.2 W Constant Output Power Class-D Audio Amplifier with
Class-G Boost Converter
Check for Samples: TPA2080D1
1
FEATURES
DESCRIPTION
The TPA2080D1 is a high efficiency Class-D audio
2.2 W into 4
Ω Load from 3.6 V Supply (1%
power amplifier with an integrated Class-G boost
THD+N)
converter that enhances efficiency at low output
Integrated Class-G Boost Converter
power. It drives up to 2.2 W into an 4
Ω speaker (1%
Increases Efficiency at Low Output Power
THD+N). With 85% typical efficiency, the TPA2080D1
helps extend battery life when playing audio.
Low Quiescent Current of 3.5 mA from 3.6 V
The built-in boost converter generates a 5.75 V
Thermal and Short-Circuit Protection with
supply voltage for the Class-D amplifier when high
Auto Recovery
output power is required. This provides a louder
20 dB Fixed Gain
audio output than a stand-alone amplifier directly
Available in 1.53 mm × 1.98 mm, 0.5 mm pitch
connected to the battery. During low audio output
12-ball WCSP (DSBGA) Package
power periods, the boost converter deactivates and
connects VBAT directly to the Class-D amplifier
supply, PVDD. This improves overall efficiency.
APPLICATIONS
Cell Phones
The TPA2080D1 has an integrated low-pass filter to
improve the RF rejection and reduce DAC out-of-
PDA, GPS
band
noise,
increasing
the
signal-to-noise
ratio
Portable Electronics and Speakers
(SNR).
The TPA2080D1 is available in a space saving
1.53 mm × 1.982 mm, 0.5 mm pitch WCSP package
(YZG).
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.
PRODUCTION DATA information is current as of publication date.
Copyright © 2012, 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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