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TPA6021A4-TPA6021A4N-TPA6021A4NE4
Stereo, Class-AB Audio Amplifier with Volume Control and Stereo Headphone Drive
www.ti.com
FEATURES
APPLICATIONS
BTLVolume
PGND
ROUT-
PVDD
RIN+
RIN-
VDD
LIN-
LIN+
PVDD
ROUT+
SE/BTL
VOLUME
AGND
BYPASS
FADE
SHUTDOWN
LOUT+
VDD
VDD
Right Positive
Differential Input Signal
Left Negative
Differential Input Signal
Right Negative
Differential Input Signal
Left Positive
Differential Input Signal
Power Supply
Power Supply
VDD
100 kW
100 kW
0.47Fm
0.47Fm
0.47Fm
0.47Fm
0.47Fm
0.47Fm
F
0.47F
(BYP)
In From DAC
Potentiometer
(DC Voltage)
System
Control
Speaker
Left
TPA6021A4
2-W STEREO AUDIO
WITH ADVANCED
2W Into 4-Ω Speakers With External Heatsink•
DC Volume Control With 2-dBSteps from -40 dBto20 dB– 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 ofa•
1-µA Shutdown Current (Typical) which provides higher output power.
Headphone Modea smooth transition between active and modes,a fade mode ramps the volumeup
LCD Monitors
