HT82V733_02 Datasheet, PDF (1/7 Pages) Holtek Semiconductor Inc – 240mA Audio Power Amp

HT82V733
240mA Audio Power Amp
Features
· High signal-to-noise ratio
· High slew rate
· Low distortion
· Large output voltage swing
· Excellent power supply ripple rejection
· Low power consumption
· Short-circuit elimination
· Wide temperature operating range
· No switch ON/OFF clicks
· Low standby current
· Power off control
· Direct drive speaker
· 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 TN
R
A u d In
10R
AM P1
VRE.
VSS
B IA S
VDD
R
AM P2
R
O U TP
CE
Pin Assignment
O U TN 1
8 VDD
A u d In 2
7 O U TP
VRE. 3
6 NC
VSS 4
5 CE
H T82V 733
8 S O P -A
Pin Description
Pin No. Pin Name
1
OUTN
2
Aud In
3
VREF
4
VSS
5
CE
6
NC
7
OUTP
8
VDD
I/O
Description
O Negative output
I Audio input
O Speaker non-inverting input voltage reference
¾ Negative power supply, ground
I Chip enable, low active
¾ Not connected
O Positive output
¾ Positive power supply
Rev. 1.00
1
October 24, 2002