Datasheet

TPA3106D1
GAIN1
INP
1.0mF
1.0 mF
AGND
INN
GAIN0
VCC
VBYP
AGND
ROSC
1
m
F
10 nF
R6 100 k
W
1
m
F
C13 10
m
F
C2
Analog
AudioIn
J1
J14
J 13
J12
R3 100 k
W
R5100 kW
R4 100 k
W
TP2
C3
C4
J5
OUT-
J6
OUT+
VREG
TP1
FAULT
J11
VREG
S1
S2
VCC
R1 100 k
W
R2 100k
W
C10
PGND
AGND
ConnectedatPowerPad
andthentoJ8 withsingle
pointconnection.
J10
L133 Hm
VREG
1
m
F
VCLAMP
PVCC PVCC PGND
1
m
F
220 Fm
C5
C11
C14
V
CC
C1
AGND
PGND
BSP
OUTP
PGND
BSN
OUTN
OUTN
OUTP
MUTE
SDZ
PVCC
PVCC
PVCC PGND
FAULT
AV CC
MUTE
SHUTDOWN
1
m
F
220
m
F
C12
C15
C7
0.22 μF
C6
0. 22μF
C17
1nF
C16
1 nF
R8
20Ω
R7
20 Ω
C8
1 μF
C9
1 μF
J7
VCC
J8
GND
MSTR/SLV
SYNC
L233 Hm
TPA3106D1 EVM Schematic www.ti.com
Table 1. Jumper and Resulting Gain Settings
GAIN0 (J12)
(1)
GAIN1 (J13)
(1)
Amplifier Gain (dB)
ON ON 20
OFF ON 26
ON OFF 32
OFF OFF 36
(1)
OFF = Jumper REMOVED; ON = Jumper INSTALLED.
2.1.3 Power Up
1. Verify correct voltage and input polarity and turn the external power supplies ON.
The EVM should begin operation.
2. Adjust the input signal.
3. Adjust the control inputs to the desired settings.
4. Adjust the amplifier gain by installing or removing the J12 and J13 gain jumpers, according to Table 1.
3 TPA3106D1 EVM Schematic
4
TPA3106D1 Audio Power Amplifier EVM With LC Filter SLOU191D–October 2007–Revised May 2011
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