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TPA6021A4N Folha de dados(PDF) 1 Page - Texas Instruments

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Nome de Peças TPA6021A4N
Descrição Electrónicos  2-W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL
Download  26 Pages
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
Logo TI - Texas Instruments

TPA6021A4N Folha de dados(HTML) 1 Page - Texas Instruments

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FEATURES
DESCRIPTION
APPLICATIONS
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
20
30
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
Volume [Pin 18] - V
DC VOLUME CONTROL
BTL Volume
PGND
ROUT-
PVDD
RIN+
RIN-
VDD
LIN-
LIN+
PVDD
LOUT-
1
ROUT+
SE/BTL
VOLUME
AGND
NC
BYPASS
FADE
SHUTDOWN
LOUT+
PGND
2
3
4
5
6
7
8
9
10
11
12
14
15
16
17
13
18
19
20
Ci
VDD
VDD
Right Positive
Differential Input Signal
Left Negative
Differential Input Signal
Right Negative
Differential Input Signal
Left Positive
Differential Input Signal
Ci
C
C
i
i
Power Supply
Power Supply
VDD
100 kW
100 kW
C
330 F
O
m
C
330 F
O
m
0.47 F
m
0.47 F
m
0.47 F
m
0.47 F
m
0.47 F
m
0.47 F
m
0.47 F
m
C
10 F
S
m
C
0.47 F
(BYP)
m
In From DAC
or
Potentiometer
(DC Voltage)
System
Control
Right
Speaker
Left
Speaker
Headphones
1 kW
1 kW
TPA6021A4
SLOS465 – JUNE 2005
2-W STEREO AUDIO POWER AMPLIFIER
WITH ADVANCED DC VOLUME CONTROL
2 W Into 4-
Ω Speakers With External Heatsink
The TPA6021A4 is a stereo audio power amplifier
that drives 2 W/channel of continuous RMS power
DC Volume Control With 2-dB
into a 4-
Ω load when utilizing a heat sink. Advanced
Steps from -40 dB to 20 dB
dc volume control minimizes external components
– Fade Mode
and allows BTL (speaker) volume control and SE
– -85-dB Mute Mode
(headphone) volume control.
Differential Inputs
The 20-pin DIP package allows for the use of a
1-µA Shutdown Current (Typical)
heatsink which provides higher output power.
Headphone Mode
To ensure a smooth transition between active and
shutdown modes, a fade mode ramps the volume up
and down.
LCD Monitors
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.
Copyright © 2005, 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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