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TPA112DGN Datasheet

  • TPA112DGN

  • 150-mW STEREO AUDIO POWER AMPLIFIER

  • 28頁

  • TI

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TPA112
150-mW STEREO AUDIO POWER AMPLIFIER
SLOS212C 鈥?AUGUST 1998 鈥?REVISED MARCH 2000
D
D
D
D
D
150-mW Stereo Output
Wide Range of Supply Voltages
鈥?Fully Specified for 3.3 V and 5 V
Operation
鈥?Operational From 2.5 V to 5.5 V
Thermal and Short-Circuit Protection
Surface Mount Packaging
鈥?PowerPAD鈩?MSOP
鈥?SOIC
Standard Operational Amplifier Pinout
D OR DGN PACKAGE
(TOP VIEW)
V
O
1
IN1鈥?/div>
IN1+
GND
1
2
3
4
8
7
6
5
V
DD
V
O
2
IN2鈥?/div>
IN2+
description
The TPA112 is a stereo audio power amplifier packaged in an 8-pin PowerPAD鈩?MSOP package capable of
delivering 150 mW of continuous RMS power per channel into 8-鈩?loads. Amplifier gain is externally configured
by means of two resistors per input channel and does not require external compensation for settings of 1 to 10.
THD+N when driving an 8-鈩?load from 5 V is 0.1% at 1 kHz, and less than 2% across the audio band of 20 Hz
to 20 kHz. For 32-鈩?loads, the THD+N is reduced to less than 0.06% at 1 kHz, and is less than 1% across the
audio band of 20 Hz to 20 kHz. For 10-k鈩?loads, the THD+N performance is 0.01% at 1 kHz, and less than 0.02%
across the audio band of 20 Hz to 20 kHz.
functional block diagram
RF
VDD
Short-Circuit
Protection
CI
LIN鈥?/div>
CI
LIN+
RF
VDD/2
CI
RIN鈥?/div>
CI
RIN+
Over-Temperature
Protection
RI
RF
6
5
RI
IN2鈥?/div>
IN2+
2
RI
3
IN1鈥?/div>
IN1+
VO1
RI
8
VDD
1
RO
CC
RC
To Headphone
Jack
(See TPA152)
VO2
7
RO
CC
RC
4
RF
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 is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
漏
2000, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

TPA112DGN 產(chǎn)品屬性

  • 80

  • 集成電路 (IC)

  • 線性 - 音頻放大器

  • -

  • AB 類

  • 耳機(jī)，2-通道（立體聲）

  • 70mW x 2 @ 8 歐姆

  • 2.5 V ~ 5.5 V

  • 消除爆音，短路和熱保護(hù)

  • 表面貼裝

  • 8-MSOP-PowerPad

  • 8-TSSOP，8-MSOP（0.118"，3.00mm 寬）裸露焊盤

  • 管件

  • 296-1942296-1942-5296-1942-ND

TPA112DGN相關(guān)型號(hào)PDF文件下載

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