HT82V733
240mA Audio Power Amp
Features
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High signal-to-noise ratio
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High slew rate
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Low distortion
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Large output voltage swing
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Excellent power supply ripple rejection
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Low power consumption
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Short-circuit elimination
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Wide temperature operating range
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No switch ON/OFF clicks
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Low standby current
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Power off control
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Direct drive speaker
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8-pin SOP package
General Description
HT82V733 is an integrated class AB mono speaker
driver contained in an SOP-8 package. The device is
fabricated in a CMOS process and has been primarily
developed for portable digital audio applications.
Block Diagram
O U T N
A u d In
V R E .
V S S
V D D
R
B IA S
C E
R
O U T P
R
A M P 2
Pin Assignment
1 0 R
O U T N
1
2
3
4
5
6
7
A u d In
V R E .
V S S
8
V D D
O U T P
N C
C E
A M P 1
H T 8 2 V 7 3 3
8 S O P -A
Pin Description
Pin No.
1
2
3
4
5
6
7
8
Pin Name
OUTN
Aud In
VREF
VSS
CE
NC
OUTP
VDD
I/O
O
I
O
戮
I
戮
O
戮
Negative output
Audio input
Speaker non-inverting input voltage reference
Negative power supply, ground
Chip enable, low active
Not connected
Positive output
Positive power supply
Description
Rev. 1.00
1
October 24, 2002