TIGER ELECTRONIC CO.,LTD DUAL POWER AMPLIFIER GENERAL DESCRIPTION TDA2822 Outline Drawing The TDA2822 is a mo nolithic integrated circuit in 8 lead Minidip package. It is intended for use as dual audio power amplifier in portable cassette tape players and radios. FEATURES Dual Low-voltage power amplifier TDA2822 Supply voltage down to 1.8V Lo w cro sso v er d isto rtio n DIP8 Low quiescent current Bridge or stereo configuration TDA2822 BLOCK DIAGRAM NF1 IN1 8 7 _ NF2 IN2 5 6 + + _ SOP8 BIAS CIRCUIT 1 OUT1 2 Vcc 3 4 OUT2 GND OUTPUT(1) 1 Vcc 2 8 INPUT-(1) 7 INPUT+(1) TDA2822 2822 PINNING OUTPUT(2) 3 6 INPUT+(2) GROUND 4 5 INPUT-(2) SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn CHMC 1/7 TDA2822 MAXIMUM RATINGS Characteristics Symbol Value Unit Supply Voltage Vcc 15 V Output Peak Current Ipk 1 A To tal Power Dissipation(at Tamb =50°C) PD 1 W To tal Power Dissipation(at Tcase=50°C) PD 1.4 W Operating Ambient Temperature Range Ta -20~70 °C Tstg -40~150 °C Storage Temp erature Range ELECTRICAL CHARACTERISTICS 1. Stereo Test Circuit( Unless otherwise specified Vcc=6V,Tamb=25°C) Characteristic Symbol Supply Voltage Vcc Quiescent Output Vo ltage Vo Quiescent Drain Current Input Bias Current Output Power (Each Channel) Distortion Min. Typ. Max. 1.8 Vcc=3V 15 Unit V 2.7 V 1.2 V Id 6 IBA 100 nA 11 0 20 mW Po THD Closed Loop Vo ltage Gain Channel Balance ∆Avf Input Resistance Ri Total Input Noise VNI Supply Vo ltage rejection Channel Separation Test Condition Av f d=10% f=1kHz Vcc=3V R L =4 Ω Vc c = 3 V RL=32Ω d=10% f=1kHz Vcc=9V R L =8 Ω Vc c = 6 V RL=4Ω Vcc=4.5V RL=4Ω Po=0.5W R L = 8 Ω f= 1 k H z V c c = 9 V 0.4 f=1kHz 9 1 0.65 0.32 W 0.3 % 40 dB ±1 f=1kHz 2 Rs=10kΩ B = 2 2 H z t o 2 2 k H z SVR f=100Hz C1=C2=100μ F CSR f=1kHz μV 3 24 SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn CHMC dB kΩ 100 Rs=10kΩ B = C u r e A mA 30 dB 50 dB 2/7 TDA2822 2.Bridge Test Circuit (Unless otherwise specified Vcc=6V,Tamb=25°C) Characteristic Sym -bol Supply Voltage Vcc Quiescent Drain Current Id Output Offset Vo ltage (Between the Outputs) Vos Input Bias Current Ib Output Power Po Test Condition Min. Typ. Max. 1.8 6 R L =∞ R L =8 Ω 100 d=10% f=1kHz Vcc=9V R L =16Ω Vcc=6V R L =8 Ω Vcc=4.5V R L =8 Ω Vcc=4.5V R L =4 Ω Vcc=3V R L =4 Ω Vcc=2V R L =4 Ω 2 1.35 0.7 1 15 V 9 mA ±5 0 mV nA W 350 80 mW THD Po=0.5W R L =8 Ω f=1kHz 0.2 % Closed Loop Vo ltage Gain Av f f=1kHz 40 dB Input Resistance Ri f=1kHz Total Input Noise VNI Distortion 200 Unit Rs=10kΩ Curve A Rs=10kΩ B=22Hz to 22kHz Supply Vo ltage Rejection SVR Power Bandwidth (-3dB) B f=100Hz R L =8 Ω kΩ 100 Po =1 W SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn CHMC 2.5 μV 3 40 dB 120 kHz 3/7 TDA2822 TEST CIRCUIT 1.STEREO TEST CIRCUIT +Vcc C3 10uF 2 R1 10K 100uF 8 + C4 470uF 1 _ C1 IN (R) R3 4.7 6 R2 10K C6 5 + RL C5 470uF 3 _ C7 100uF 0.1uF 7 C2 R4 4.7 4 0.1uF IN (L) RL 2.BRIDGE TEST CIRCUIT +Vcc C3 10uF 2 7 R1 10K + 1 - R2 4.7 8 6 C1 + C4 0.1uF RL 3 10uF 5 4 C2 R3 4.7 10nF IN C5 0.1uF SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn CHMC 4/7 TDA2822 APPLICATION CIRCUIT 1. Typical application in portable players +3V 2 7 + 8 1 _ 100uF 10K 100uF 0.1uF IN (L) 32/16 HEADPHONE 4.7 6 10K + 5 100uF 3 100uF _ 4 0.1uF IN (R) 4.7 2. Application circuit for portable radio receivers +Vcc=6V 47 0.47uF 100uF 220uF LED 47nF 0.22uF 13 15 47K 6 14 4 2 33uF 7 47K 47K 19K MONITOR 220uF + 1 _ 8 4.7 TDA2822 6 47K 3 _ 5 4 SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn CHMC 4 220uF + 100uF 15nF 5K 0.1uF 3.9K 680nF 1.0uF 15nF 3.9K 12 5 16 270 11 8 15K 9 7 10 100uF TEA1330 VCO STOP 22K 0.1uF 0.1uF IN 680 0.1uF 1K 21 3 0.1uF 4.7 4 5/7 TDA2822 3. Portable radio cassette players TDA7211 FM TUNER TDA 7220 AM/FM RADIO TEA 1330 STEREO DECODER TDA 2320 A PRE AMPLIFIER TDA2822 AUDIO AMPLIFIER SWITCH 32/16 4. Portable stereo radios TDA7211 FM TUNER TDA7220 AM/FM RADIO TEA 1330 STEREO DECODER TDA2822 AUDIO POWER AMPLIFIER 5. Low cost application for portables (using only one 100µF output capacitor) +3V 10uF 2 1 100uF _ IN (R) 4.7 6 10K 100uF 5 100uF 8 10K + 0.1uF 7 32/16 + _ 3 4 0.1uF IN (L) 4.7 SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn CHMC 6/7 TDA2822 CHARACTERISTICS CURVES SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn CHMC 7/7