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| YD2025H 2.4W STEREO AUDIO AMPLIFIER YD2025H DESCRIPTION The YD2025H 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 www..com 12 Vcc 11 10 + + 2 3 TAB 4 5 TAB 9 8 7 Pre-GND RIPPLE FILTER 6 BLOCK DIAGRAM 5k 50 1 WuXi YouDa Electronics Co., Ltd Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China Tel: 86-510-5205117 86-510-5205108 Fax: 86-510-5205110 Website: www.e-youda.com SHENZHEN OFFICE Tel 86-755-83740369 Fax 86-755-83741418 Ver 4.0 1 of 4 2004-9-20 ww..com YD2025H ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Output Peak Current Power Dissipation Junction Temperature Storage Temperature SYMBOL Vcc Iop PD Tj Tstg (Tamb=25ae ) VALUE 15 1.5 4 150 -40 +150 UNIT V A W ae ae Electrical CHARACTERISTICS (Tamb=20aeVcc=9V, f=1kHz, Stereo, Unless otherwise specified) , PARAMETER Supply Voltage Quiescent Current Quiescent Output V oltage Voltage Gain Voltage Gain Difference Input Impedance SYMBOL Vcc Iccq V o Gv | Gv Zi Vcc=9V, RL =4O Vcc=9V, RL =8O Vcc=6V, RL =4O Vcc=6V, RL =8O Vcc=3V, RL =4O Vcc=9V, RL =8O Vcc=6V, RL =4O Stereo ,RL =4O, Po=250mW BTL,RL =4O, Po=250mW Rg=0, GV=45dB, Vr=150mV, f=100Hz GV=45dB, BPF=20Hz 20kHz Rg=0 Rg=10kO 40 1.7 0.7 Stereo Bridge 43 49 TEST CONDITIONS NIN 3 40 4.5 45 51 30 2.4 1.3 1 0.6 0.1 4.7 2.8 0.3 0.5 46 1.5 3 55 3 |I V 6 dB 47 53 A 1 TYP MAX 12 50 UNIT V mA V dB dB kO Output Power (STEREO) Output Power (BTL) Distortion Supply V oltage Rejection Input Noise Voltage Po (THD =10%) W THD RR 1.5 % dB 40 VNI CT Cross-Talk Rg=10kO, f=1kHz, RL =4O, Po=1W WuXi YouDa Electronics Co., Ltd 2 of4 Website: www.e-youda.com YD2025H APPLICATION CIRCUIT (1) YD2025H TYPE APPLICATION + 100|I Vcc + 6 IN 1 12 10 470|I0.1|I + + 2.2|I 8 + 11 100|I + RL 470|I 0.15|I 3 9 100|I IN 2 _ + 5 + 2.2|I + 100|I + + 2 RL 470|I 0.15|I 1 7 TAB _ 4 100|I + (2) YD2025H BTL APPLICATION WuXi YouDa Electronics Co., Ltd 3 of 4 Website: www.e-youda.com YD2025H OUTLINE DRAWING WuXi YouDa Electronics Co., Ltd 4 of 4 Website: www.e-youda.com |
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