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| YOUDA INTEGRATED CIRCUIT YD7496L 2W+2W AMPLIFIER WITH DC VOLUME CONTROL--YD7496L DESCRIPTION The YD7496L is a stereo 2W+2W class AB power amplifier assembled in the @ PowerDIP20 package, specially designed for high quality sound, TV and Monitor applications. Features of the YD7496LL include linear volume control, Stand-by and mute functions. FEATURES *2W+2W OUTPUT POWER RL8 @ THD=10% ,Vcc14V. *ST-BY AND MUTE FUNCTION. *LOW TURN-ON TURN-OFF POP NOISE. *LINER VOLUME CONTROL DC COUPLED WITH POWER OP. AMP. *NO BOUCHEROT CELL. *NO ST-BY RC INPUT NETWORK. *SINGLE SUPPLY RANGING UP TO 15V *SHORT CIRCUIT PROTECTION. *THERMAL OVERLOAD PROTECTION. *INTERNALLY FIXED GAIN. *SOFT CLIPPING. *VARIABLE OUTPUT AFTER VOLUME CONTROL CIRCUIT. *POWERDIP 20 PACKAGE. 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 5 2006-06-28 YOUDA INTEGRATED CIRCUIT BLOCK DIAGRAM GND 20 GND 19 GND 18 OUT2 17 Vcc 16 Vcc 15 OUT2 14 GND 13 YD7496L MUTE 12 STBY 11 STBY/MUTE 30k _ 30k + _ + 1k 1k Volume Volume 30k 30k 1 GND 2 GND 3 GND 4 IN1 5 Voc1 6 VOLUME 7 Voc2 8 NC 9 IN2 10 SVC ABSOLUTE MAXIMUM RATINGS PARAMETER DC Supply Voltage Maximum Input Voltage Volume CTRL DC Voltage Output Peak Current(internally limited) Power Dissipation No Heat Sink Tc=60 (Tamb=25) VALUE 26 8 7 1.0 2 6.0 -20+70 -40+150 UNIT V Vp-p V A W SYMBOL Vcc Vin V6 Iop PD Topr Tstg Operating Temperature Storage Temperature MUTE STAND-BY TRUTH TABLE MUTE ST-BY OPERATING CONDITION H L H L H H L L STANDBY STANDBY MUTE PLAY WuXi YouDa Electronics Co., Ltd 2 of 5 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS (Vcc=14V,RL=8, Rg=50, Tamb=25,Unless otherwise specified.) Parameter Supply Range Quiescent Current Input Offset Voltage Output Power Total Harmonic Distortion Closed Loop Gain Attenuation at Minimum Volume Monitor Out Gain Frequency Response Input Resistance Symbol Vcc Iccq Vo Po THD Gv Gmin Gvc BW Rin F=20Hz22kHz, max volume Total Output Noise EN F=20Hz22kHz, max attenuation F=20Hz22kHz,mute Max volume, Csvr=470,Vr=1V Max attenuation, Csvr=470,Vr=1V 35 55 22.5 THD10 THD1 Po1W Vol Ctrl>4.5V Vol Ctrl<0.5V Vol Ctrl>4.5V 28.5 -80 -1.5 1.6 Test Condition Min. 10 YD7496L Typ. 25 7 2 1.3 Max. 18 50 Unit V mA mV W 0.4 30 31.5 % dB dB 0 0.6 30 500 100 60 39 65 150 160 1.5 dB MHz k 800 250 150 V V V dB dB Supply Voltage Rejection SVR Thermal Muting Thermal Shut-down Stand-by ON Threshold Stand-by OFF Threshold Mute ON Threshold Mute OFF Threshold Quiescent Current @ Stand-by Mute Attenuation Stand-by bias current TM Ts VST ON VST OFF VM ON VM OFF Iccqstby Gmute Istby Stand by on VST-BY=5V VMUTE=5V Play or Mute -20 Mute Play -50 3.5 3.5 V 1.5 1.5 V V V mA dB MUTE STAND-BY & INPUT SELECTION FUNCTIONS 0.6 -65 80 -5 1 0.2 1 A 5 2 Mute bias current Imute A WuXi YouDa Electronics Co., Ltd 3 of 5 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT YD7496L APPLICATION CIRCUIT Vcc MUTE + 1 10k AMP. OPR. STAND-BY 5V + 1000 0.1 16 Vcc 13 1820 13 15 5 Voc1 12 MUTE STBY 11 GND Vin1 5V 4 0.47 IN1 Volume 17 OUT2 1000 + Volume 50k 300k 0.1 Vin2 6 9 0.47 + 470 IN2 NC 8 Voc2 14 + 1000 OUT2 7 10 SVC WuXi YouDa Electronics Co., Ltd 4 of 5 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT OUTLINE DRAWING YD7496L WuXi YouDa Electronics Co., Ltd 5 of 5 Website: www.e-youda.com |
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