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| YOUDA INTEGRATED CIRCUIT YD2025 2.3W STEREO AUDIO AMPLIFIER----YD2025 DESCRIPTION The YD2025 is a monolithic integrated audio Amplifier in a 16-pin plastic dual in line package. It is designed for portable cassette players and radios. FEATURES *Working voltage down to 3V; *Few external components; *High channel isolation; *Voltage gain up to 45dB (Adjustable with external resistor); *Soft clipping; *Internal thermal protection. BLOCK DIAGRAM 16 Vcc + 15 14 13 12 11 10 9 Pre-GND GND 5k 50 + GND 1 2 3 4 5 6 7 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 7 2006-06-28 RIPPLE FILTER 8 YOUDA INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Output Peak Current Power Dissipation 80*60*1.2mm3 PCB No Heat Sink (Tamb=25) SYMBOL Vcc Io PD1 PD2 Topr Tstg VALUE 15 1.5 3.0 1.5 -20+75 -40+150 YD2025 UNIT V A W W Ambient operating temperature Storage Temperature Electrical CHARACTERISTICS (Tamb=25, Vcc=9V, f=1kHz, Stereo, Unless otherwise specified) PARAMETER Supply Voltage Quiescent Current Quiescent Output Voltage Voltage Gain Voltage Gain Difference Input Impedance Output Power (STEREO) Output Power (BTL) Distortion Supply Voltage Rejection Input Noise Voltage Cross-Talk THD RR VNI CT SYMBOL Vcc Iccq Vo Gv Gv Zi Vcc=9V, RL=4 Vcc=9V, RL=8 Vcc=6V, RL=4 Vcc=6V, RL=8 Vcc=3V, RL=4 Vcc=9V, RL=8 Vcc=6V, RL=4 Stereo ,RL=4, Po=250mW BTL,RL=8, Po=250mW Rg=0, GV=45dB, Vr=150mV, f=100Hz GV=45dB, BPF=20Hz 20kHz Rg=0 Rg=10k 40 1.7 0.7 Stereo Bridge 43 49 TEST CONDITIONS NIN 3 40 4.5 45 51 30 2.3 1.3 1 0.6 0.1 4.7 2.8 0.3 0.5 46 1.5 3 55 3 6 47 53 1 TYP MAX 12 50 UNIT V mA V dB dB k W W W W W W W % % dB V V dB Po (THD =10%) 1.5 40 Rg=10k, f=1kHz, RL=4, Po=1W WuXi YouDa Electronics Co., Ltd 2 of 4 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT APPLICATION CIRCUIT 1YD2025 TYPE APPLICATION + 100 + 8 16 14 YD2025 Vcc 470 0.1 + 100 + 470 0.15 3 IN 1 + 10 + 15 2.2 11 100 IN 2 + + _ RL + 7 + 2 100 + 470 RL 2.2 6 100 + 4 5 9 12 13 _ 1 0.15 (2) YD2025 BTL APPLICATION Vcc + 100 IN 8 16 14 10 + 470 + 100 15 + 2.2 + 100 + _ 11 0.15 3 7 + + 2 100 RL + 100 6 1 4 _ 0.15 5 9 12 13 WuXi YouDa Electronics Co., Ltd 3 of 4 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT OUTLINE DRAWING YD2025 WuXi YouDa Electronics Co., Ltd 4 of 4 Website: www.e-youda.com |
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