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| YOUDA INTEGRATED CIRCUIT YD7265 25W STEREO AMPLIFIER WITH MUTE AND STAND-BY--YD7265 DESCRIPTION The YD7265 is class AB dual Audio power amplifier assembled in the Multiwatt package,specially designed for high quality sound application as Hi-Fi music centers and stereo TV sets. FEATURES *WIDE SUPPLY VOLTAGE RANGE(UP TO 25V ABS MAX.). *HIGH OUTPUTE POWER:25W(Vcc20V RL8THD=10%). *NO POP AT TURN-ON/OFF. *MUTE AND STAND-BY. *SHORT CIRCUIT PROTECTION. *THERMAL OVERLOAD PROTECTION. BLOCK DIAGRAM ST-BY/MUTE + +Vcc 3 ST/M 4 5 -Vcc 6 GND 7 8 9 10 + - -Vcc 1 2 11 PIN NO. SYMBOL -Vcc OUTPUT1 +Vcc OUTPUT2 ST-BY/MUTE -Vcc PIN NO. SYMBOL IN+(2) IN-(2) GND IN-(1) IN+(1) 1 2 3 4 5 6 7 8 9 10 11 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 YOUDA INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS PARAMETER DC Supply Voltage Output Peak Current(internally limited Power Dissipation (Tc=70) Operating Temperature Storage Temperature (Tamb=25) SYMBOL Vcc Io PD Top Tstg VALUE 25V 4.5 30 -20 to +85 -40 to +150 YD7265 UNIT V A W ELECTRICAL CHARACTERISTICS (Vcc=20V,RL=8, Rg=50, GV=30dB,f=1KHz,Tamb=25,Unless otherwise specified.) Parameter Supply Range Quiescent Current Input Offset Voltage Symbol Vcc Iccq Vos THD10, RL=8 THD1, RL=8 Music Output Power Po THD10,Vs=16V,RL=4 THD1,Vs=16V,RL=4 Po1W,f=1kHz Total Harmonic Distortion Po=0.115W,f=100Hz15kHz THD RL=4,Po1W,f=1kHz RL=4,Vcc=16V Po=0.112W,f=100Hz15kHz f=1kHz Cross Talk Open Loop Voltage Gain Input Resistance Thermal Shut-down Junction Temperature CT f=10kHz GOL Ri Tj 15 60 80 20 145 70 0.02 1 25 20 0.01 0.7 W W % % % % dB dB dB k 20 20 25 20 Test Condition Min. 5 80 Typ. Max. 25 130 20 Unit V mA mV W W WuXi YouDa Electronics Co., Ltd 2 of 4 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT YD7265 Parameter Mute/Play Threshold Mute Attenuation Stand-by Threshold Stand-by Attenuation Quiescent Current With Stand-by Symbol V5M GM V5ST Gstby Istby Test Condition Min. +Vcc -7.0 -60 +Vcc -3.5 Typ. +Vcc -6.0 -70 +Vcc -2.5 -110 3 Max. +Vcc -5.0 Unit V dB +Vcc -1.5 V dB mA APPLICATION CIRCUIT 15K Operating 10K Stand-by 18k 15k 1u 5 1u 7 3 Vcc + - + 1000u 0.1u 4 18k 8 560 560 18k 2 4.7 0.1u 0.1u 4.7 0.1u 9 5.1V Mute Amp. 1u 1000u 11 + Vcc 1 6 + 10 WuXi YouDa Electronics Co., Ltd 3 of 4 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT OUTLINE DRAWING YD7265 WuXi YouDa Electronics Co., Ltd 4 of 4 Website: www.e-youda.com |
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