YD2822A YOUDA INTEGRATED CIRCUIT 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 :VCC=1.8V～5V *Low crossover distortion *Low quiescent circuit current *Bridge/stereo configuration BLOCK DIAGRAM 8 _ 7 6 + + Vcc 1 2 ABSOLUTE MAXIMUM RATINGS 5 _ GND 3 4 (Tamb=25℃) PARAMETER SYMBOL VALUE UNIT Supply Voltage Vcc 6 V Output Peak Current Iop 500 mA Power Dissipation PD 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 YD2822A YOUDA INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS (Vcc=3.0V, Tamb=25℃, all voltage referenced to GND, Unless otherwise specified) STEREO APPLICATION PARAMETER Operating Supply Voltage Quiescent Circuit Current Output Power Total Harmonic Distortion SYMBOL TEST CONDITIONS MIN 1.8 VCC Iccq Po TYP 6 f=1kHz THD=10 % THD VCC=4.5V，RL=32Ω 45 60 VCC=3V，RL=8Ω 45 60 VCC=3V，RL=4Ω 90 100 UNIT 5 V 9 mA mW RL=32Ω，PO=30mW 0.2 1.0 RL=8Ω，PO=30mW 0.2 1.0 RL=4Ω，PO=50mW 0.2 1.0 39 41 dB ±1 dB Closed Loop Voltage Gain GV Channel Balance ΔGV Input Resistance Zi f=1kHz Input Noise Voltage VNI Rg=10kΩ BPF=20Hz～20kHz Ripple Rejection RR f=100Hz Cross Talk CT f=1kHz WuXi YouDa Electronics Co., Ltd MAX f=1kHz 2 of 5 37 100 24 % kΩ 2.5 μV 30 dB 30 dB Website: www.e-youda.com YD2822A YOUDA INTEGRATED CIRCUIT BTL APPLICATION PARAMETER Operating Supply Voltage Quiescent Circuit Current SYMBOL TEST CONDITIONS TYP 1.8 VCC Iccq RL=∞ DC Output Balance ΔVO RL=8Ω Output Power Po Total Harmonic Distortion Closed Loop Voltage Gain NIN f=1kHz THD=10% 6 MAX UNIT 5.0 V 9 mA ±50 mV RL=16Ω 100 110 mW RL=8Ω 190 200 mW THD Po=0.1W, RL=8Ω, f=1kHz GV f=1kHz 37 Input Resistance Zi f=1kHz 100 Input Noise Voltage VN1 Ripple Rejection Power Bandwidth 0.5 1.0 % 39 41 dB kΩ 3 μV RR Rg=10kΩ BPF=20Hz～20kHz f=100Hz 40 dB BW RL=8Ω, Po=0.1W 30 kHz WuXi YouDa Electronics Co., Ltd 3 of 5 Website: www.e-youda.com YD2822A YOUDA INTEGRATED CIRCUIT APPLICATION CIRCUIT (1) YD2822A STEREO APPLICATION VCC + 2 Vin1 7 + 100μ 10k 1 + Vin1 8 100μ 10k 470μ + 0.1μ - 4.7Ω 6 + 5 - 3 + 0.1μ 470μ 470μ + 0.1μ 4.7Ω 4 (2) YD2822A BTL APPLICATION VCC + 2 Vin 7 470μ 0.1μ + 10k 1 100μ 8 0.1μ - + 4.7Ω 0.01μ 6 WuXi YouDa Electronics Co., Ltd SPEAKER + 3 5 0.1μ - 4.7Ω 4 4 of 5 Website: www.e-youda.com YD2822A YOUDA INTEGRATED CIRCUIT OUTLINE DRAWING WuXi YouDa Electronics Co., Ltd 5 of 5 Website: www.e-youda.com