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Dual Low-Voltage Power Amplifier
Preliminary Datasheet
CL2822
Description
The CL2822 is a monolithic integrated circuit in 8 lead Minidip package. It is intended for use as
dual audio power amplifier in portable cassette players and radios.
The CL2822 is available in the industry standard DIP-8.
Features
Supply Voltage Down to 1.8V
Low Cross Over Distortion
Low Quiescent Current
Bridge or Stereo Configuration
Applications
z Portable radio cassette
z Portable speaker
Figure 1. Package Types of CL2822
Oct. 2007 Rev 1.1
ShangHai Chipland Micro-electronics technology co., ltd
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Dual Low-Voltage Power Amplifier
Function Block
Preliminary Datasheet
CL2822
Figure 2. Functional Block Diagram of CL2822
Pin Descriptions
Pin No.
1
2
3
4
5
6
7
8
Symbol
OUT1
VCC
OUT2
GND
IN2-
IN2+
IN1+
IN1-
Function
Output (1 CH)
Supply Voltage
Output (2 CH)
Ground
Inverting Input Signal (2 CH)
Non- Inverting Input Signal (2 CH)
Non- Inverting Input Signal (1 CH)
Inverting Input Signal (1 CH)
Oct. 2007 Rev 1.1
ShangHai Chipland Micro-electronics technology co., ltd
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Dual Low-Voltage Power Amplifier
Ordering Information
Preliminary Datasheet
CL2822
Package
DIP-8
Temperature Range
0 to 70
Part number (Lead Free)
CL2822P-E1
Marking ID
CL2822P
Packing Type
Tube
Absolute Maximum Ratings (Note1)
Ta= 25˚C, unless otherwise specified.
Symbol
VCC
Io
PD
Ta
Tstg
θJA
Parameter
Power supply voltage
Peak Output Current
Total Power Dissipation (Ta=50˚C)
Operation temperature
Storage temperature
Thermal Resistance
Range
12.0 (Note2)
800
1.0
0 to 70
-40 to 150
100
Unit
V
mA
W
˚C
˚C
˚C/W
Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent
damage to the device. These are stress ratings only, and functional operation of the device at these or
any other conditions beyond those indicated under "Recommended Operating Conditions" is not implied.
Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability.
Note2. Without Load
Recommended Operating Conditions (Ta= 25˚C)
Parameter
Supply voltage
Operating temperature
Symbol
VCC
Ta
Condition
Stereo, RL=4Ω
Stereo, RL=8Ω
BTL , RL=8Ω
--
Min.
1.8
1.8
1.8
0
Max.
6
9
6
70
Unit
V
˚C
Oct. 2007 Rev 1.1
ShangHai Chipland Micro-electronics technology co., ltd
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Dual Low-Voltage Power Amplifier
Preliminary Datasheet
CL2822
Electrical Characteristics
VCC = 6 V, f =1 KHz, Ta = 25°C, unless otherwise noted.
1. Stereo (test circuit of Figure 3)
Symbol
Parameter
VCC Supply Voltage
Icc Quiescent Drain Current
Vo Quiescent Output Voltage
IB Input Bias Current
Po
Output Power
(Each channel, THD=10%)
THD
Gv
Gv
Ri
eN
SVR
Cs
Total Harmonic Distortion
Closed Loop Voltage Gain
Channel Balance
Input Resistance
Total Input Noise
Supply Voltage Rejection
Channel Separation
Test Condition
RL=4Ω
RL=8Ω
Min.
1.8
2.45
Vcc=6V, Rl=4Ω
Vcc=6V, Rl=8Ω
Vcc=3V, Rl=4Ω
Po=0.15W, Rl=8Ω
450
300
38
B = 22Hz to 22kHz
f = 100Hz,
C1 = C2 = 100µF
100
25
Typ.
7
2.65
100
580
380
110
0.2
40
0.2
3.0
30
50
Max.
6
9
11
2.85
500
42
±1
Unit
V
mA
V
nA
mW
%
dB
dB
K
μV
dB
dB
2. Bridge (test circuit of Figure 4)
Symbol
Vcc
Icc
Vos
Ib
Po
THD
Gv
Ri
eN
Parameter
Supply Voltage
Quiescent Drain Current
Output Offset Voltage
Input Bias Current
Output Power
Total Harmonic Distortion
Closed Loop Voltage Gain
Input Resistance
Total Input Noise
SVR Supply Voltage Rejection
B Power Bandwidth (-3dB)
Test Condition
Rl=8
Min.
1.8
Rl=8
D=10%, Rl=8Ω
Po=0.5W, Rl=8Ω
B = 22Hz to 22kHz
f = 100Hz,
C1 = C2 = 100µF
900
38
100
30
Typ.
7
100
1100
0.3
40
3
40
100
Max.
6
11
±50
500
42
Unit
V
mA
mV
nA
mW
%
dB
K
μV
dB
KHz
Oct. 2007 Rev 1.1
ShangHai Chipland Micro-electronics technology co., ltd
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Dual Low-Voltage Power Amplifier
Test circuit
Preliminary Datasheet
CL2822
Figure 3. Test Circuit of CL2822 (Stereo)
Figure 4. Test Circuit of CL2822 (Bridge)
Oct. 2007 Rev 1.1
ShangHai Chipland Micro-electronics technology co., ltd
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