YD8227

www.DataSheet4U.com YOUDA INTEGRATED CIRCUIT YD8227 LOW FREQUENCY POWER AMPLIFIER—YD8227 DESCRIPTION The YD8227P is the audio power amplifier with built-in two channels developed for portable radio cassette tape recorder with power ON/OFF switch. FUNCTIONS *Wide operating supply voltage: Vcc=5～12V; *Low quiescent supply current (ICC=21mA, typical,at Vcc=9V, Vi=0); *Output power: Po=2.50W/CH at Vcc=9V, RL=4Ω, f=1kHz, THD=10%; *Soft clip; *Built-in Thermal shut-down protection circuit; *Stand-by switch. BLOCK DIAGRAM 12 Vcc1 + + Vstb 1 2 3 TAB Pre-GND 4 11 10 TAB 9 8 7 5 6 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 4 2006-06-28 DataSheet 4 U .com www.DataSheet4U.com YOUDA INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS(Tamb=25℃) PARAMETER Supply Voltage Output Peak Current Power Dissipation (80*60*1.2mm3 PCB) Operating Temperature Storage Temperature SYMBOL VCC Iop PD Topr Tstg VALUE 20 2.5 4.0 -25 to +75 -55 to +150 YD8227 UNIT V A W ℃ ℃ ELECTRICAL CHARATERISTICS (VCC=9V, Rg=600Ω, f=1kHz, Tamb=25℃, all voltage referenced to GND unless otherwise specified) PARAMETER Quiescent Current Output Power Total Harmonic Distortion Voltage Gain Input Resistance Output Noise Voltage Ripple Rejection Ratio Cross Talk Input Offset Voltage Standby Current ...