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Электронный компонент: HT82V732

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HT82V732
60mA Audio Power Amp
Block Diagram
Pin Assignment
Pin Description
Pin No.
Pin Name
I/O
Description
1
OUT1
O
Output
2
IN1
-
I
Inverting input
3
IN1+
I
Non-inverting input
4
VSS
Negative power supply, ground
5
IN2+
I
Non-inverting input
6
IN2
-
I
Inverting input
7
OUT2
O
Output
8
VDD
Positive power supply
Rev. 1.00
1
October 29, 2002
Features
Single power supply voltage: 5V
Low power consumption
Low distortion
Low clock Jitter sensitivity
High SNR ratio range
Wide temperature range
8-pin SOP package
General Description
HT82V732 is a class AB stereo earphone driver de-
signed for portable digital audio application. It provides
8-SOP package. Pin assignments and application cir-
cuit is compatible with TDA1308 which is suitable for ef-
fective low cost applications. HT82V732 is ideal for por-
table digital audio equipment, CD ROM/DVD ROM and
DISCMAN system.
O U T 1
I N 1 -
I N 1 +
V S S
O U T 2
I N 2 -
I N 2 +
V D D
1
2
3
4
8
7
6
5
O U T 1
I N 1 -
I N 1 +
V S S
V D D
O U T 2
I N 2 -
I N 2 +
H T 8 2 V 7 3 2
8 S O P - A
Electrical Characteristics
V
SS
=0V; f
i
=1kHz; R
L
=32
W
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
Supplies
V
DD
Supply Voltage
5V
V
Single
3.0
5.0
6.0
Dual
1.5
2.5
3
V
SS
Negative Supply Voltage
5V
-1.5
-2.5
-3
V
I
DD
Supply Current
5V
No load
3
5
mA
P
tot
Total Power Dissipation
5V
No load
15
25
mW
DC Characteristics
V
I(OS)
Input Offset Voltage
5V
10
mV
I
bias
Input Bias Current
5V
10
pA
V
CM
Common Mode Voltage
5V
0
3.5
V
G
V
Open-loop Voltage Gain
5V
R
L
=5k
W
70
dB
I
O
Maximum Output Current
5V
(THD+N)/S<0.1%
60
mA
R
O
Output Resistance
5V
0.25
W
V
O
Output Voltage swing
5V
R
L
=32
W *
0.75
4.25
V
R
L
=16
W *
1.5
3.5
R
L
=5k
W *
0.1
4.9
PSRR
Power Supply Rejection Ratio
5V
F
i
=100Hz; V
ripple(p-p)
=100mV
90
dB
a
CS
Channel Separation
5V
70
dB
C
L
Load Capacitance
5V
200
pF
AC Characteristics
(THD+N)/S
Total Harmonic Distortion Plus
Noise-to-signal Ratio
5V
V
O(P-P)
=3.5V **
-70
dB
0.03
%
S/N
Signal-to-noise Ratio
5V
100
dB
f
G
Unity Gain Frequency
5V
Open-loop; R
L
=5k
W
5.5
MHz
P
O
Maximum Output Power
5V
(THD+N)/S<0.1%
60
mW
C
i
Input Capacitance
5V
3
pF
SR
Slew Rate
5V
Unity gain inverting
5
V/
ms
B
Power Bandwidth
5V
Unity gain inverting
20
kHz
Note:
* Values are proportional to V
DD
; (THD+N)/S<0.1%
** V
DD
=5V, V
O(P-P)
=3.5V (at odB)
HT82V732
Rev. 1.00
2
October 29, 2002
Application Circuits
HT82V732
Rev. 1.00
3
October 29, 2002
2
3
H T 8 2 V 7 3 2
5
6
3 . 9 k W
8
V
D D
V
I N 1
7
1 0 0 m .
+
3 . 9 k W
1 0 0 m .
1 0 0 m .
+
+
V
r e f
4
R
L
V
O U T
A
V
O U T
B
3 . 9 k W
3 . 9 k W
( T y p . 2 . 5 V )
V
I N 2
R
L
1
2
3
H T 8 2 V 7 3 2
5
6
3 . 9 k W
8
V
D D
7
+
1 0 0 m .
+
3 . 9 k W
1 n .
1 0 k W
1 0 k W
1 0 0 m .
1 0 0 m .
1 m .
+
+
V
r e f
1 n .
4
3 3 k W
4
2 2 k W
+
1 0 0 n .
+
1 0 m .
1
2
3
5
8
7
6
C u r r e n t - t y p e
D A C
B C K
W S
D A T A
1
Package Information
8-pin SOP (150mil) outline dimensions
Symbol
Dimensions in mil
Min.
Nom.
Max.
A
228
244
B
149
157
C
14
20
C
189
197
D
53
69
E
50
F
4
10
G
22
28
H
4
12
a
0
10
HT82V732
Rev. 1.00
4
October 29, 2002
D
.
C '
G
H
a
E
8
1
A
B
C
4
5
Product Tape and Reel Specifications
Reel dimensions
SOP 8N
Symbol
Description
Dimensions in mm
A
Reel Outer Diameter
330
1.0
B
Reel Inner Diameter
62
1.5
C
Spindle Hole Diameter
13.0+0.5
-0.2
D
Key Slit Width
2.0
0.15
T1
Space Between Flange
12.8+0.3
-0.2
T2
Reel Thickness
18.2
0.2
HT82V732
Rev. 1.00
5
October 29, 2002
A
C
B
T 1
T 2
D