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HT82V733 Datasheet

  • HT82V733

  • 240mA Audio Power Amp

  • 8頁(yè)

  • HOLTEK

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HT82V733
240mA Audio Power Amp
Features
路
High signal-to-noise ratio
路
High slew rate
路
Low distortion
路
Large output voltage swing
路
Excellent power supply ripple rejection
路
Low power consumption
路
Short-circuit elimination
路
Wide temperature operating range
路
No switch ON/OFF clicks
路
Low standby current
路
Power off control
路
Direct drive speaker
路
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 T N
A u d In
V R E .
V S S
V D D
R
B IA S
C E
R
1 0 R
R
A M P 2
A M P 1
O U T P
Pin Assignment
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
H T 8 2 V 7 3 3
8 D IP -A /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
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擄C to 125擄C
Operating Temperature...........................-20擄C to 70擄C
Note: These are stress ratings only. Stresses exceeding the range specified under
虜Absolute
Maximum Ratings虜 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

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