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TPA6021A4NE4 Datasheet

  • TPA6021A4NE4

  • 2-W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CON...

  • 26頁

  • TI

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TPA6021A4
www.ti.com
SLOS465 鈥?JUNE 2005
2-W STEREO AUDIO POWER AMPLIFIER
WITH ADVANCED DC VOLUME CONTROL
FEATURES
鈥?/div>
鈥?/div>
2 W Into 4-鈩?Speakers With External Heatsink
DC Volume Control With 2-dB
Steps from -40 dB to 20 dB
鈥?Fade Mode
鈥?-85-dB Mute Mode
Differential Inputs
1-碌A(chǔ) Shutdown Current (Typical)
Headphone Mode
DESCRIPTION
The TPA6021A4 is a stereo audio power amplifier
that drives 2 W/channel of continuous RMS power
into a 4-鈩?load when utilizing a heat sink. Advanced
dc volume control minimizes external components
and allows BTL (speaker) volume control and SE
(headphone) volume control.
The 20-pin DIP package allows for the use of a
heatsink which provides higher output power.
To ensure a smooth transition between active and
shutdown modes, a fade mode ramps the volume up
and down.
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
APPLICATIONS
LCD Monitors
Right
Speaker
ROUT+
1
PGND
SE/BTL
C
S
10
m
F
Power Supply
2
0.47
m
F
3
PV
DD
18
0.47
m
F
4
RIN+
RIN-
VOLUME
In From DAC
or
Potentiometer
(DC Voltage)
Volume - dB
DC VOLUME CONTROL
30
20
10
20
19
V
DD
C
O
330
m
F
100 kW
BTL Volume
ROUT-
100 kW
1 kW
0
-10
-20
-30
-40
-50
Right Positive
Differential Input Signal
Right Negative
Differential Input Signal
C
i
C
i
0.47
m
F
5
AGND
17
C
(BYP)
V
DD
6
0.47
m
F
Left Negative
Differential Input Signal
Left Positive
Differential Input Signal
C
i
0.47
m
F
7
LIN-
FADE
15
V
DD
BYPASS
16
0.47
m
F
-60
Headphones
-70
-80
1 kW
C
O
14
System
Control
330
m
F
-90
0
0.5
1
1.5
2
2.5
3
3.5
Volume [Pin 18] - V
4
4.5
5
C
i
V
DD
0.47
m
F
8
LIN+
SHUTDOWN
NC
13
12
11
Power Supply
0.47
m
F
9
10
PV
DD
LOUT-
LOUT+
PGND
Left
Speaker
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 the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 漏 2005, Texas Instruments Incorporated

TPA6021A4NE4 產(chǎn)品屬性

  • 20

  • 集成電路 (IC)

  • 線性 - 音頻放大器

  • -

  • AB 類

  • 2-通道（立體聲）帶立體聲耳機(jī)

  • 2W x 2 @ 4 歐姆

  • 4 V ~ 5.5 V

  • 差分輸入，靜音，關(guān)機(jī)，熱保護(hù)，音量控制

  • 通孔

  • 20-PDIP

  • 20-DIP（0.300"，7.62mm）

  • 管件

  • 296-21142-ND - EVALUATION MODULE FOR TPA6021A4

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