TAS5342L Datasheet, PDF (6/29 Pages) Texas Instruments – 100 W STEREO DIGITAL AMPLIFIER POWER STAGE

TAS5342L
SLAS558 – OCTOBER 2007
TYPICAL SYSTEM BLOCK DIAGRAM
System
Microcontroller
OTW
SD
www.ti.com
I2C
TAS5518
VALID
Left-
Channel
Output
PWM_A
PWM_B
RESET_AB
RESET_CD
Input
H-Bridge 1
Output
H-Bridge 1
Right-
Channel
Output
PWM_C
PWM_D
M1
Hardwire
Mode
M2
Control
M3
2-Channel
H-Bridge
BTL Mode
Input
H-Bridge 2
Output
H-Bridge 2
BST_A
BST_B
Bootstrap
Capacitors
OUT_A
OUT_B
2nd-Order L-C
Output Filter
for Each
Half-Bridge
OUT_C
OUT_D
2nd-Order L-C
Output Filter
for Each
Half-Bridge
BST_C
BST_D
Bootstrap
Capacitors
32.0 V
System
Power
Supply
GND
12 V
44
4
PVDD
PVDD
Power
Supply
Decoupling
GVDD
VDD
VREG
Power Supply
Decoupling
GND
GVDD (12 V)/VDD (12 V)
Hardwire
OC Limit
VAC
B0047-02
6
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