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UNISONIC TECHNOLOGIES CO.,LTD. TDA2822
DUAL LOW VOLTAGE POWER AMPLIFIER
DESCRIPTION
The UTC TDA2822 is a monolithic integrated audio amplifier in a 8-Pin plastic dual in line package. It is designed for portable cassette players and radios.
SOP-8
LINEAR INTEGRATED CIRCUIT
FEATURES
*Wide operating supply voltage: Vcc=1.8V- 12V. *Low crossover distortion. *Low quiescent circuit current. *Bridge/stereo configuration.
DIP-8
*Pb-free plating product number: TDA2822L
ORDERING INFORMATION Order Number Normal Lead Free Plating TDA2822-S08-R TDA2822L-S08-R TDA2822-S08-T TDA2822L-S08-T TDA2822-D08-T TDA2822L-D08-T Package SOP-8 SOP-8 DIP-8 Packing Tape Reel Tube Tube
www.unisonic.com.tw Copyright (c) 2005 Unisonic Technologies Co.,LTD.
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TDA2822
PIN CONFIGURATIONS
LINEAR INTEGRATED CIRCUIT
OUTPUT 1
1
8
NF 1
Vcc
2
7
INPUT 1
OUTPUT 2
3
6
INPUT 2
GND
4
5
NF 2
BLOCK DIAGRAM
VCC 2
INPUT1 NP1
7 8
+ 1 OUTPUT1
INPUT2 NP2
6 5
+ 3 OUTPUT2
4 GND
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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TDA2822
ABSOLUTE MAXIMUM RATINGS (Ta=25C)
PARAMETER Supply Voltage Output Peak Current SYMBOL VCC IO(peak)
LINEAR INTEGRATED CIRCUIT
RATINGS UNIT 15 V 1 A DIP-8 1.0 Power Dissipation PD W SOP-8 0.5 Operating Temperature TOPR -20~+85 C Storage Temperature TSTG -40~+150 C Note:1. Absolute maximum ratings are stress ratings only and functional device operation is not implied. The device could be damaged beyond Absolute maximum ratings. 2. The device is guaranteed to meet performance specifications within 0 ~70 operating temperature range and assured by design from -20 ~ 85
ELECTRICAL CHARACTERISTICS (Ta=25C, VCC=6V, f=1kHz, unless otherwise specified)
PARAMETER Operating Supply Voltage Quiescent Circuit Current Stereo Closed Loop Voltage Gain Bridge Channel Balance DIP-8 SOP-8 Output Power(Stereo) DIP-8 SOP-8 DIP-8 SOP-8 DIP-8 SOP-8 Stereo Bridge SYMBOL TEST CONDITIONS VCC ICC VIN=0 GVC CB Stereo VCC=6V,RL=4, THD=10% POUT VCC=3V,RL=4, THD=10% VCC=6V,RL=4, THD=10% POUT VCC=6V,RL=4, THD=10% THD RR eN CT RIN RL=8, POUT=0.2W RL=8, POUT=0.5W Stereo, f=100Hz,C3=100F Stereo,BW(-3dB)=20Hz ~20kHz Stereo, f=1kHz 0.9 0.63 -1 0.4 0.28 MIN 1.8 TYP 9 40 40 0 0.65 0.45 0.11 0.07 1.35 0.94 0.35 0.24 0.5 0.5 30 0.5 50 MAX 12 UNIT V mA dB dB dB W W W W % % dB mV dB k
1
Output Power (Bridge)
Total Harmonic Distortion Ripple Rejection Output Noise Voltage Cross Talk Input Resistance
24
2.0
100
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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TDA2822
TEST CIRCUIT STEREO
VCC
C3 100 F
LINEAR INTEGRATED CIRCUIT
2
INPUT1
R1 10k C1 100 F
7
1
C4 470 F
8
C6 0.1 F R3 4.7
RL
INPUT2
R2 10k C2 100 F
6 3 5
C5 470 F
C7 0.1 F R4 4.7
RL
4
BRIDGE
VCC
C5 100 F
2
INPUT1
R1 10k
7 1
C2 0.1 F R2 4.7
8
C1 10 F
RL
6
3
C3 0.1 F R3 4.7
5 4
C4 0.01 F
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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TDA2822
SCHEMATIC DIAGRAM
LINEAR INTEGRATED CIRCUIT
2 Vcc
I source
CONTROL Vcc 1 OUT 1 Vcc 3 OUT 2
8 NF 1
7 INPUT 1
6 INPUT 2
5 NF 2
4 GND
TYPICAL CHARACTERISTICS
QUIESCENT CURRENT (mA)
8
RIPPLE REJECTION (dB)
0 10 20 30 40
C1=C2 =100 F C1=C2 =22 F
6
4
2
0
4
8
12
16
10
30
100
300
1000
3000
SUPPLY VOLTAGE (V)
FREQUENCY (Hz)
UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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