HT82V733
240mA Audio Power Amp
Features
·
·
High signal-to-noise ratio
Wide temperature operating range
·
·
High slew rate
No switch ON/OFF clicks
·
·
Low distortion
Low standby current
·
·
Large output voltage swing
Power off control
·
·
Excellent power supply ripple rejection
Direct drive speaker
·
·
Low power consumption
8-pin DIP/SOP package
·
Short-circuit elimination
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
Pin Assignment
O
U
T
P
O
U
T
N
1
0
R
O
U
T
N
V
D
D
1
2
3
4
8
7
6
5
R
R
A
u
d
I
n
O
U
T
P
A
u
d
I
n
A
M
P
2
A
M
P
1
V
R
E
ꢀ
N
C
C
E
V
S
S
V
R
E
ꢀ
H
T
8
2
V
7
3
3
R
V
S
S
8
D
I
P
-
A
/
S
O
P
-
A
B
I
A
S
V
D
D
C
E
Pin Description
Pin No.
Pin Name
OUTN
I/O
O
I
Description
1
2
3
4
5
6
7
8
Negative output
Audio input
Aud In
VREF
VSS
CE
O
¾
I
Speaker non-inverting input voltage reference
Negative power supply, ground
Chip enable, low active
Not connected
NC
¾
O
¾
OUTP
VDD
Positive output
Positive power supply
Absolute Maximum Ratings
Supply Voltage...........................VSS-0.3V to VSS+5.5V
Input Voltage..............................VSS-0.3V to VDD+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