YOUDA INTEGRATED CIRCUIT
YD1008
22W HI-FI AUDIO POWER AMPLIFIER----YD1008
DESCRIPTION
The YD1008 is a monolithic audio power amplifier integrated circuit.
FEATURES
*High output power
*High operating supply voltage (50V)
*Single or split supply operations
*Very low distortion
*Short circuit protection (out to end)
*Thermal shutdown
BLOCK DIAGRAM
1
2
+
_
3
4
5
WuXi YouDa Electronics Co., Ltd
Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China
Tel: 86-510-85205117 86-510-85205106 Fax: 86-510-85205110 Website: www.e-youda.com
SHENZHEN OFFICE Tel 86-755-83740369 Fax 86-755-83741418
Ver 5.0 1 of 4 2006-06-28
YOUDA INTEGRATED CIRCUIT
YD1008
ABSOLUTE MAXIMUM RATINGS
(Tamb=25)
PARAMETER SYMBOL
VALUE
UNIT
Supply Voltage
Vcc/Vee
25
V
Output Peak Current (internally limited)
Iop
5
A
Power Dissipation at Tcase=75
P
D
25
W
Ambient operating temperature
Topr
-20+75
Storage And Junction Temperature
Tstg, Tj
-40+150
ELECTRICAL CHARACTERISTICS
(Vcc/Vee = 18V, Tamb =25, f = 1 kHz, unless otherwise specified)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
Supply Voltage
Vs
4.5
25
V
Vcc/Vee = 4.5V
30 50 mA
Quiescent Drain Current
Id
Vcc/Vee = 25V
55 90 mA
Input Bias Current
Ib
0.1
0.5
A
Input Offset Voltage
Vis
15
mV
Input Offset Current
Iis
Vcc/Vee = 22V
200
nA
THD = 1%R
L
= 8
16 18
W
Output Power
Po
THD = 10% R
L
= 8
20 22
W
Total Harmonic
Distortion
THD
f = 40Hz to 15kHz, R
L
= 8
Po = 0.1 to 10W
0.02 0.5 %
SR Slew Rate
SR
5
8
V/s
Open Loop Voltage
Gain
Gv
80
dB
Closed Loop Voltage
Gain
Gv
30
30.5
31
dB
Power Bandwidth (-3dB)
BW
R
L
= 8, Vi = 200mV
20 to 80,000
Hz
Total Input Noise
e
N
B = 22Hz to 22kHz
5
10
V
Input Resistance (pin 1)
Ri
500
5000
k
Supply Voltage
Rejection
SVR
Rs = 22k, f = 100Hz
Vr = 0.5V
45 dB
Efficiency
P
O
= 15W, R
L
= 8;
65 %
Thermal Shut-Down
Junction Temperature
Tsd- j
150
WuXi YouDa Electronics Co., Ltd 2 of 4 Website: www.e-youda.com
YOUDA INTEGRATED CIRCUIT
YD1008
APPLICATION CIRCUIT
(1) YD1008 DUAL SUPPLY POWER APPLICATION
+
2.2
0.1
1N4001
22k
680
22k
1
0.15
+
47
+
220
1N4001
Vi
1
2
3
4
5
SPEAKER
Vcc
0.1
+
220
Vee
(2) YD1008 SINGLE SUPPLY POWER APPLICATION
+
22
+
2.2
0.1
1N4001
100k
22k
680
22k
1
+
1000
0.15
+
47
+
220
1N4001
100k
Vi
1
2
3
4
5
SPEAKER
Vcc
WuXi YouDa Electronics Co., Ltd 3 of 4 Website: www.e-youda.com
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