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Datasheet: YD2822A (No company)

DUAL CHANNEL POWER AMPLIFIER

 

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No company
YOUDA INTEGRATED CIRCUIT
YD2822A
DUAL CHANNEL POWER AMPLIFIER----YD2822A
DESCRIPTION
The YD2822A is a monolithic integrated audio amplifier in a 8-pin plastic dual in line package. It is designed
for mini cassette players and radios.
FEATURES
*Wide operating supply voltage :V
CC
=1.8V5V
*Low crossover distortion
*Low quiescent circuit current
*Bridge/stereo configuration
BLOCK DIAGRAM
7
8
4
3
1
6
5
2
+
+
_
_
Vcc
GND
ABSOLUTE MAXIMUM RATINGS
(Tamb=25)
PARAMETER
SYMBOL VALUE UNIT
Supply Voltage
Vcc
6
V
Output Peak Current
Iop
500
mA
Power Dissipation
P
D
600
mW
Operating Temperature
Topr
-20~+ 70
Storage Temperature
Tstg
-40~+150
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 5 2006-06-28
YOUDA INTEGRATED CIRCUIT
YD2822A
ELECTRICAL CHARACTERISTICS
(Vcc=3.0V, Tamb=25, all voltage referenced to GND, Unless otherwise specified)
STEREO APPLICATION
PARAMETER SYMBOL
TEST
CONDITIONS
MIN TYP
MAX
UNIT
Operating Supply
Voltage
V
CC
1.8
5
V
Quiescent Circuit
Current
Iccq
6
9
mA
V
CC
=4.5VR
L
=32
45 60
V
CC
=3VR
L
=8
45 60
Output Power
Po
f=1kHz
THD=10
%
V
CC
=3VR
L
=4
90 100
mW
R
L
=32P
O
=30mW
0.2
1.0
R
L
=8P
O
=30mW
0.2
1.0
Total Harmonic
Distortion
THD
R
L
=4P
O
=50mW
0.2
1.0
%
Closed Loop
Voltage Gain
G
V
f=1kHz
37
39
41
dB
Channel Balance
G
V
1
dB
Input Resistance
Zi
f=1kHz
100
k
Input Noise
Voltage
V
NI
Rg=10k
BPF=20Hz20kHz
2.5 V
Ripple Rejection
RR
f=100Hz
24 30 dB
Cross Talk
CT
f=1kHz
30
dB















WuXi YouDa Electronics Co., Ltd 2 of 5 Website: www.e-youda.com
YOUDA INTEGRATED CIRCUIT
YD2822A
BTL APPLICATION
PARAMETER SYMBOL
TEST
CONDITIONS
NIN
TYP
MAX
UNIT
Operating Supply
Voltage
V
CC
1.8 5.0 V
Quiescent Circuit
Current
Iccq
R
L
=
6 9 mA
DC Output Balance
V
O
R
L
=8
50
mV
R
L
=16
100 110 mW
Output Power
Po
f=1kHz
THD=10%
R
L
=8
190 200 mW
Total Harmonic
Distortion
THD
Po=0.1W, R
L
=8, f=1kHz
0.5
1.0 %
Closed Loop
Voltage Gain
G
V
f=1kHz
37 39 41 dB
Input Resistance
Zi
f=1kHz
100
k
Input Noise Voltage
V
N1
Rg=10k
BPF=20Hz20kHz
3 V
Ripple Rejection
RR
f=100Hz
40 dB
Power Bandwidth
BW
R
L
=8, Po=0.1W
30 kHz























WuXi YouDa Electronics Co., Ltd 3 of 5 Website: www.e-youda.com
YOUDA INTEGRATED CIRCUIT
YD2822A
APPLICATION CIRCUIT
(1) YD2822A STEREO APPLICATION
+
100
+
470
4.7
10k
0.1
Vin1
2
8
7
1
+
-
+
100
+
470
4.7
10k
0.1
Vin1
6
5
3
+
470
0.1
4
+
-
VCC
(2) YD2822A BTL APPLICATION
+
100
4.7
10k
0.1
SPEAKER
Vin
2
8
7
1
+
-
4.7
0.1
6
5
3
+
-
+
470
0.1
4
VCC
0.
01









WuXi YouDa Electronics Co., Ltd 4 of 5 Website: www.e-youda.com
YOUDA INTEGRATED CIRCUIT
YD2822A
OUTLINE DRAWING

















WuXi YouDa Electronics Co., Ltd 5 of 5 Website: www.e-youda.com
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