HT82V733 Datasheet, PDF (1/8 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 DIP/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
A u d In 2
VRE. 3
VSS 4
8 VDD
7 O U TP
6 NC
5 CE
H T82V 733
8 D IP -A /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
Absolute Maximum Ratings
Supply Voltage ...........................V_SS-0.3V to V_SS+5.5V
Input Voltage..............................V_SS-0.3V to V_DD+0.3V
Storage Temperature ............................-50°C to 125°C
Operating Temperature...........................-20°C to 70°C
Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may
cause substantial damage to the device. Functional operation of this device at other conditions beyond those
listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil-
ity.
Rev. 1.10
1
January 6, 2003