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TPA6102A2DGK Arkusz danych(PDF) 1 Page - Texas Instruments

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Numer części TPA6102A2DGK
Szczegółowy opis  50-mM ULTRALOW VOLTAGE FIXED-GAIN STEREO HEADPHONE AUDIO POWER AMPLIFIER
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Producent  TI [Texas Instruments]
Strona internetowa  http://www.ti.com
Logo TI - Texas Instruments

TPA6102A2DGK Arkusz danych(HTML) 1 Page - Texas Instruments

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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.
TPA6102A2
50mW ULTRALOW VOLTAGE, FIXEDGAIN STEREO HEADPHONE
AUDIO POWER AMPLIFIER
SLOS324B − JUNE 2000 − REVISED SEPTEMBER 2004
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D 50-mW Stereo Output
D Low Supply Current . . . 0.75 mA
D Low Shutdown Current ...50 nA
D Minimal External Components Required
D Gain Set Internally to 14 dB
D Pop Reduction Circuitry
D Internal Mid-Rail Generation
D Thermal and Short-Circuit Protection
D Surface-Mount Packaging
− MSOP
− SOIC
D 1.6-V to 3.6-V Supply Voltage Range
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-
Ω 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 VDD/4.
When driving a 16-
Ω 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-
Ω 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
Audio
Input
Bias
Control
6
7
5
2
VO1
VO2
VDD
3
8
1
4
IN 1−
BYPASS
SHUTDOWN
VDD/4
CI
20 k
100 k
CB
CS
Audio
Input
CI
IN 2−
VDD
From Shutdown
Control Circuit
+
+
CC
CC
100 k
20 k
100 k
100 k
1
2
3
4
8
7
6
5
BYPASS
GND
SHUTDOWN
IN2−
IN1−
VO1
VDD
VO2
D or DGK PACKAGE
(TOP VIEW)
Copyright
 2004, Texas Instruments Incorporated
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.


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