Datasheet
APPLICATION INFORMATION
AV
DD
PV
DD
*
Shutdown
Control
0.1 mF
SDR
SDL
PGND AGND
INR+
INR−
INL+
INL−
OUTR+
OUTR−
OUTL+
OUTL−
1 nF
0.1 mF
DAC
G0
G1
1 mF
0.1 mF
4.7 mF
* For QFN, an additional capacitor is recomended for the second PV
DD
pin.
To Battery
1 nF
1 nF
1 nF
0.1 mF
0.1 mF
to Battery
V
DD
OUTR+
GND
INR+
300 k
C
S
300 k
G0
OUTR−
OUTL+
OUTL−
G1
INR−
INL+
INL−
Gain
Adjust
PWM
Gain
Adjust
PWM
H −
Bridge
H −
Bridge
Internal
Oscillator
Bias
Circuitry
Short−Circuit
Protection
Right
Single−Ended
Input
C
I
C
I
SDR
SDL
C
I
C
I
Left
Single−Ended
Input
to Battery
V
DD
OUTR+
GND
INR+
300 k
C
S
300 k
G0
OUTR−
OUTL+
OUTL−
G1
INR−
INL+
INL−
Gain
Adjust
PWM
Gain
Adjust
PWM
H −
Bridge
H −
Bridge
Internal
Oscillator
Bias
Circuitry
Short−Circuit
Protection
Right
Differential
Input
C
I
C
I
Left
Differential
Input
C
I
C
I
SDR
SDL
TPA2012D2
www.ti.com
.................................................................................................................................................. SLOS438D – DECEMBER 2004 – REVISED JUNE 2008
Figure 33. Typical Application Circuit
Figure 35. TPA2012D2 Application Schematic
Figure 34. TPA2012D2 Application Schematic
With Single-Ended Input
With Differential Input and Input Capacitors
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