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TPA4860D Scheda tecnica(PDF) 1 Page - Texas Instruments

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Il numero della parte TPA4860D
Spiegazioni elettronici  1-W MONO AUDIO POWER AMPLIFIER
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Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
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TPA4860
1-W MONO AUDIO POWER AMPLIFIER
SLOS164A – SEPTEMBER 1996 – REVISED MARCH 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D 1-W BTL Output (5 V, 0.2 % THD+N)
D 3.3-V and 5-V Operation
D No Output Coupling Capacitors Required
D Shutdown Control (IDD = 0.6 µA)
D Headphone Interface Logic
D Uncompensated Gains of 2 to 20 (BTL
Mode)
D Surface-Mount Packaging
D Thermal and Short-Circuit Protection
D High Power Supply Rejection
(56-dB at 1 kHz)
D LM4860 Drop-In Compatible
description
The TPA4860 is a bridge-tied load (BTL) audio power amplifier capable of delivering 1 W of continuous average
power into an 8-
Ω load at 0.4 % THD+N from a 5-V power supply in voiceband frequencies (f < 5 kHz). A BTL
configuration eliminates the need for external coupling capacitors on the output in most applications. Gain is
externally configured by means of two resistors and does not require compensation for settings of 2 to 20.
Features of this amplifier are a shutdown function for power-sensitive applications as well as headphone
interface logic that mutes the output when the speaker drive is not required. Internal thermal and short-circuit
protection increases device reliability. It also includes headphone interface logic circuitry to facilitate headphone
applications. The amplifier is available in a 16-pin SOIC surface-mount package that reduces board space and
facilitates automated assembly.
typical application circuit
Audio
Input
Bias
Control
VDD
1 W
12
10
15
1, 4, 8, 9, 16
VO1
VO2
VDD
2
3
7
6
5
14
13
11
GAIN
IN +
IN –
BYPASS
HP-IN1
HP-IN2
HP-SENSE
SHUTDOWN
VDD/2
CI
RI
RF
VDD
RPU
Headphone
Plug
NC
CB
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.
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
GND
SHUTDOWN
HP-SENSE
GND
BYPASS
HP-IN1
HP-IN2
GND
GND
VO2
IN+
IN–
VDD
GAIN
VO1
GND
D PACKAGE
(TOP VIEW)
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
© 2000, Texas Instruments Incorporated


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