TPA2012D2
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SLOS438C–DECEMBER 2004–REVISED MARCH 2007
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
QFN
16
17
20
19
8
WCSP
D1
C1
A1
INR+
I
I
Right channel positive input
Right channel negative input
Left channel positive input
Left channel negative input
INR-
INL+
I
INL-
B1
I
SDR
B3
I
Right channel shutdown terminal (active low)
Left channel shutdown terminal (active low)
Gain select (LSB)
SDL
7
B4
I
G0
15
1
C2
B2
I
G1
I
Gain select (MSB)
PVDD
AVDD
PGND
AGND
OUTR+
OUTR-
OUTL+
OUTL-
NC
3, 13
9
A2
I
Power supply (Must be same voltage as AVDD)
Analog supply (Must be same voltage as PVDD)
Power ground
D2
C4
C3
D3
D4
A3
I
4, 12
18
14
11
2
I
I
Analog ground
O
O
O
O
Right channel positive differential output
Right channel negative differential output
Left channel positive differential output
Left channel negative differential output
No internal connection
5
A4
6, 10
N/A
Thermal Pad
Connect the thermal pad of QFN or PWP package to PCB GND
WCSP PIN OUT
TOP VIEW
RTJ PIN OUT
TOP VIEW
A1
A2
A3
A4
20
19
18
17
16
INL+
PVDD
OUTL+
SDR
OUTL−
1
2
3
4
5
G1
G0
15
14
13
B1
C1
INL−
INR−
INR+
G1
G0
SDL
PGND
OUTR−
OUTL+
PVDD
OUTR+
PVDD
AGND
OUTR+
PGND 12
PGND
AVDD
OUTL−
OUTR−
11
D1
6
7
8
9
10
5
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