TAS5630BPHDR Datasheet, PDF (7/36 Pages) Texas Instruments – 300-W STEREO / 400-W MONO PurePath HD ANALOG-INPUT POWER STAGE

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TYPICAL SYSTEM BLOCK DIAGRAM
System
microcontroller
or
Analog circuitry
TAS5630B
SLES217C – NOVEMBER 2010 – REVISED SEPTEMBER 2012
Caps for
External
Filtering
&
Startup/Stop
(2)
ANALOG_IN_A
ANALOG_IN_B
ANALOG_IN_C
ANALOG_IN_D
Oscillator
Synchronization
OSC_IO+
OSC_IO-
BST_A
BST_B
Bootstrap
Caps
Input DC
Blocking
Caps
INPUT_A
INPUT_B
Hardwire
PWM Frame
Rate Adjust
&
Master/Slave
Mode
Input DC
Blocking
Caps
INPUT_C
INPUT_D
M1
Hardwire
Mode ^M2
Control ^M3
Input
H-Bridge 1
Output
H-Bridge 1
FREQ_ADJ
2 - CHANNEL
H -BRIDGE
BTL MODE
Input
H-Bridge 2
Output
H-Bridge 2
OUT_A
2
OUT_B
2
2^nd Order
L-C Output
Filter for
each
H-Bridge
OUT_C
2
OUT_D
2
2^nd Order
L-C Output
Filter for
each
H-Bridge
BST_C
BST_D
Bootstrap
Caps
88
4
50V
SYSTEM
Power
Supplies
GND
12V
PVDD
PVDD
Power Supply
Decoupling
GND
GVDD (12V)/VDD (12V)
GVDD, VDD,
& VREG
Power Supply
Decoupling
Hardwire
Over-
Current
Limit
VAC
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