Texas Instruments TPA3003D2 - Manual (Page 3)

TPA3003D2
SLOS406A − FEBRUARY 2003 − REVISED MARCH 2003
3
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functional block diagram
Biases
&
References
TTL Input
Buffer
Startup
Protection
Logic
Short Circuit
Detect
Thermal
VDDok
RINP
RINN
Ramp
Generator
COSC
ROSC
VCCok
5V LDO
AVCC
AVDD
AVDD
VDD
Deglitch &
Modulation
Logic
Gain
Adj.
Gain
Control
Deglitch &
Modulation
Logic
Gain
Adj.
Rfdbk2
Rfdbk2
Cint2
Cint2
LINP
LINN
Gate
Drive
VClamp
Gen
Gate
Drive
PVCC
BSRP
PVCCR(2)
ROUTP(2)
PGNDR
PGNDR
ROUTN(2)
PVCCR(2)
BSRN
Gate
Drive
VClamp
Gen
Gate
Drive
PVCC
BSLP
PVCCL(2)
LOUTP(2)
PGNDL
PGNDL
LOUTN(2)
PVCCL(2)
BSLN
VCLAMPL
VCLAMPR
VOLUME
To Gain Adj.
SD
VREF
REFGND
V2P5
V2P5
V2P5
AVCC
AGND
AVDDREF
V2P5
V2P5
MUTE
FADE
Blocks