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| YOUDA INTEGRATED CIRCUIT YD2025H 2.4W STEREO AUDIO AMPLIFIER DESCRIPTION YD2025H 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 BLOCK DIAGRAM 12 Vcc + 11 10 TAB 9 8 7 Pre-GND 5k 50 + - 1 2 3 TAB 4 5 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 13823533350 Fax 86-755-83741418 Ver 3.1 1 of 4 2004-9-20 RIPPLE FILTER 6 INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Output Peak Current Power Dissipation Junction Temperature Storage Temperature Vcc Iop PD Tj Tstg -40 (Tamb=25ae ) VALUE 15 1.5 4 150 YD2025H SYMBOL UNIT V A W ae ae +150 Electrical CHARACTERISTICS (Tamb=20ae , 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=4, 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 2.4 1.3 1 0.6 0.1 4.7 2.8 0.3 0.5 46 1.5 3 55 3 |I 6 dB V 47 53 A 1 TYP MAX 12 50 UNIT V mA V dB dB k Po (THD =10%) W 1.5 % dB 40 Rg=10k, f=1kHz, RL=4, Po=1W WuXi YouDa Electronics Co., Ltd 2 of4 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT APPLICATION CIRCUIT (1) YD2025H TYPE APPLICATION + 100|I 6 IN 1 2.2|I 9 100|I IN 2 2.2|I 4 100|I + 7 TAB YD2025H + 12 10 Vcc 0.1|I 470|I + 100|I + 470|I 0.15|I 3 + 8 + 11 RL _ + + + 5 + 2 100|I + 470|I RL _ 1 0.15|I (2) YD2025H BTL APPLICATION Vcc + 100|I IN 2.2|I + 100|I 6 9 6 12 10 8 + 470|I + 100|I 11 + + _ 0.15|I 3 + + 2 100|I RL + 100|I 4 1 7 _ 0.15|I TAB WuXi YouDa Electronics Co., Ltd 3 of 4 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT OUTLINE DRAWING YD2025H WuXi YouDa Electronics Co., Ltd 4 of 4 Website: www.e-youda.com |
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