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TPA6102A2DGK Datasheet

  • TPA6102A2DGK

  • 50 mM ULTRALOW VOLTAGE FIXED-GAIN STEREO HEADPHONE AUDIO POW...

  • 288.55KB

  • 17頁

  • TI

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TPA6102A2
50 mW ULTRALOW VOLTAGE, FIXED GAIN STEREO HEADPHONE
AUDIO POWER AMPLIFIER
SLOS324B 鈭?JUNE 2000 鈭?REVISED SEPTEMBER 2004
D
D
D
D
D
D
D
D
D
D
50-mW Stereo Output
Low Supply Current . . . 0.75 mA
Low Shutdown Current . . . 50 nA
Minimal External Components Required
Gain Set Internally to 14 dB
Pop Reduction Circuitry
Internal Mid-Rail Generation
Thermal and Short-Circuit Protection
Surface-Mount Packaging
鈭?MSOP
鈭?SOIC
1.6-V to 3.6-V Supply Voltage Range
D or DGK PACKAGE
(TOP VIEW)
BYPASS
GND
SHUTDOWN
IN2鈭?/div>
1
2
3
4
8
7
6
5
IN1鈭?/div>
V
O
1
V
DD
V
O
2
description
The TPA6102A2 is a stereo audio power amplifier packaged in either an 8-pin SOIC package or an 8-pin MOSP
package capable of delivering 50 mW of continuous RMS power per channel into 16-鈩?loads. Amplifier gain
is internally set to 14 dB (inverting) to save board space by eliminating six external resistors.
The TPA6102A2 is optimized for battery applications because of its low-supply current, shutdown current, and
THD+N. To obtain the low-supply voltage range, the TPA6102A2 biases BYPASS to V
DD
/4.
When driving a 16-鈩?load with 40-mW output power from 3.3 V, THD+N is 0.08% at 1 kHz, and less than 0.2%
across the audio band of 20 Hz to 20 kHz. For 30 mW into 32-鈩?loads, the THD+N is reduced to less than 0.06%
at 1 kHz, and is less than 0.3% across the audio band of 20 Hz to 20 kHz.
typical application circuit
VDD 6
Audio
Input
8 IN 1鈭?/div>
CI
1 BYPASS
CB
Audio
Input
4 IN 2鈭?/div>
CI
From Shutdown
Control Circuit
3
SHUTDOWN
100 k鈩?/div>
20 k鈩?/div>
鈭?/div>
+
100 k鈩?/div>
Bias
Control
2
VO2 5
CC
100 k鈩?/div>
VDD/4
20 k鈩?/div>
100 k鈩?/div>
鈭?/div>
+
VO1 7
CC
VDD
CS
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.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
錚?/div>
2004, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

TPA6102A2DGK 產(chǎn)品屬性

  • 80

  • 集成電路 (IC)

  • 線性 - 音頻放大器

  • -

  • AB 類

  • 耳機，2-通道（立體聲）

  • 50mW x 2 @ 16 歐姆

  • 1.6 V ~ 3.6 V

  • 消除爆音，短路保護和熱保護，關閉

  • 表面貼裝

  • 8-MSOP

  • 8-TSSOP，8-MSOP（0.118"，3.00mm 寬）

  • 管件

  • 296-11637-ND - EVAL MOD FOR TPA6102A2

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