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參數資料
| 型號： | TPA2015D1YZHT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.7 W, 1 CHANNEL, AUDIO AMPLIFIER, BGA16 |
| 封裝： | 1.954 X 1.954 MM, 0.50 MM PITCH, DSBGA-16 |
| 文件頁數： | 1/27頁 |
| 文件大小： | 1016K |
| 代理商： | TPA2015D1YZHT |
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IN-
IN+
GAIN
ENB
END
GND
VBAT
SW PVOUT PVDD
OUT+
OUT-
AGC
2.2 H
m
6.8 F - 22 F
m
TPA2015D1
Differential
Audio Inputs
Gain Control
AGC Control
Boost Enable
Class-D Enable
2.2 F - 10 F
m
Connected to Supply
www.ti.com
SLOS638 – MAY 2010
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
Control (AGC) with Enhanced Battery Tracking
The TPA2015D1 is a high efficiency Class-D audio
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
2 W into 8
Load From 3.6 V Supply (6% THD)
power. It drives up to 2 W into an 8
speaker (6%
Integrated Adaptive Boost Converter
THD). With 85% typical efficiency, the TPA2015D1
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
Thermal and Short-Circuit Protection with
directly
connected
to
the
battery.
The
Auto Recovery
SpeakerGuardTM AGC adjusts the Class-D gain to
limit battery current and prevent heavy clipping.
Three Gain Settings: 6 dB, 15.5 dB, and 20 dB
Independent Control for Boost and Class-D
The TPA2015D1 has an integrated low-pass filter to
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 2010, 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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