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YD7000 Dataheets PDF



Part Number YD7000
Manufacturers Weida Semiconductor
Logo Weida Semiconductor
Description POWER AMPLIFIER
Datasheet YD7000 DatasheetYD7000 Datasheet (PDF)

www.DataSheet4U.com YOUDA INTEGRATED CIRCUIT YD7000 POWER AMPLIFIER FOR HEADPHONE STEREOS¡ª DESCRIPTION The YD7000 is a low power audio amplifier integrated circuit for headphone. It provides differential speaker outputs to maximize output swing at low supply voltages. YD7000 FEATURES *Low current consumption. *16¦¸ load drive capability. *Excellent reduced voltage characteristics. *Excellent power supply ripple rejection. *Minimum number of external pares required (no input capacitor, feed.

  YD7000   YD7000


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www.DataSheet4U.com YOUDA INTEGRATED CIRCUIT YD7000 POWER AMPLIFIER FOR HEADPHONE STEREOS¡ª DESCRIPTION The YD7000 is a low power audio amplifier integrated circuit for headphone. It provides differential speaker outputs to maximize output swing at low supply voltages. YD7000 FEATURES *Low current consumption. *16¦¸ load drive capability. *Excellent reduced voltage characteristics. *Excellent power supply ripple rejection. *Minimum number of external pares required (no input capacitor, feedback capacitor required). *Applicable to radio sets because of high voltage gain. *Less harmonic interference in radio band. *On-chip power switch function, muting function. BLOCK DIAGRAM MUTE SWITCH 10 MUTE CIRCUIT Amp1 POWER SWITCH 1 POWER SWITCH 2 IN1 3 PRE GND 4 IN2 5 REF Amp2 OUT1 9 POWER GND 8 OUT2 7 Vcc 6 BIAS 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£º 86-755-83740369 13823533350 Fax£º 86-755-83741418 Ver 3.1 1 of 4 2004-9-20 DataSheet 4 U .com www.DataSheet4U.com YOUDA INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Allowable Power Dissipation Operating Temperature Storage Temperature (Tamb=25¡æ ) VALUE 4.5 300 -20¡« +75 -40¡« +125 YD7000 SYMBOL Vcc PD Topr Tstg UNIT V mW ¡æ ¡æ RECOMMENDED OPERATING CONDITIONS PARAMETER Supply Voltage Operating Voltage Range Recommended Load Resistance SYMBOL Vcc Vcc (Tamb=25¡æ VALUE 3.0 1.6¡« 16¡« 4.0 32 ) UNIT V V ¦¸ RL ELECTRICAL CHARACTERISTICS (Tamb=25¡æ , RL=16¦¸ PARAMETER , Rg=600¦¸ SYMBO L Icco(1) Quiescent Current Voltage Gain Voltage Gain Difference ¦¤ Total Harmonic Distortion Output Power Crosstalk Ripple Rejection Output Noise Voltage Power OFF Effect ¦¤ Icco(2) Icco(3) Gv(1) Gv(2) Gv(1) Gv(2) THD Po CT SVRR VNO VO(off) , See specified Test Circuit.) TEST CONDITIONS Vcc=2.4V, quiescent Vcc=4.5V, pin10¡ú GND Vcc=4.5V, pin1¡ú GND Vcc=2.4V, f=1kHz, Vo=-10dBm Vcc=1.6V, f=1kHz, Vo=-20dBm Vcc=2.4V, f=1kHz, Vo=-10dBm Vcc=1.6V, f=1kHz, Vo=-20dBm Vcc=2.0V, f=1kHz,Po=1mW Vcc=3.0V, f=1kHz, THD=10% Vcc=2.4V, f=100Hz, Rg=1K¦¸ Vo=-10dB Vcc=1.6V, f=100Hz, Rg=1 K¦¸ VR=-20dBm, BPF=100Hz Vcc=4.5V, Rg=1 K¦¸ BPF=20Hz¡« 20kHz Vcc=1.6V, f=100Hz, pin1¡ú GND, VIN=-10dB 20 40 45 0.5 40 50 60 62 100 ¦Ì -80 30 29 32 32 MIN TYP 5.4 1.1 MAX 10 2.0 1.0 ¦Ì 34 34 1.0 1.0 1.5 UNIT mA mA A dB dB dB dB % mW dB dB V dB WuXi YouDa Electronics Co., Ltd 2 of 4 Website: www.e-youda.com DataSheet 4 U .com www.DataSheet4U.com YOUDA INTEGRATED CIRCUIT YD7000 Muting Effect Power ON Current Sensitivity Power OFF Voltage Sensitivity Muting OFF Current Sensitivity Muting ON Voltage Sensitivity VO(MT) I1(on) V1(off) I10(off) V10(on) Vcc=1.6V, f=100Hz, pin10¡ú VIN=-10dB Vcc=1.5V, V5¨R 0.85V Vcc=1.5V, V5¨Q 0.1V Vcc=1.5V,V5¨R 0.85V Vcc=1.5V, V5¨Q 0.1V GND, -80 0.05 0.5 0.6 0.2 0.5 0.65 1.0 ¦Ì 1.0 ¦Ì dB A V A V APPLICATION CIRCUIT Vcc MT/SW ON OFF Vin1 1 OFF P/SW 10 ON 2 Vin2 3 4 + 22¦Ì 9 4.7¦¸ + 220¦Ì RL 16¦¸ 0.1¦Ì 0.1¦Ì 8 7 6 4.7¦¸ + 220¦Ì RL 16¦¸ 5 + 47¦Ì WuXi YouDa Electronics Co., Ltd 3 of 4 Website: www.e-youda.com DataSheet 4 U .com www.DataSheet4U.com YOUDA INTEGRATED CIRCUIT YD7000 OUTLINE DRAWING WuXi YouDa Electronics Co., Ltd 4 of 4 Website: www.e-youda.com DataSheet 4 U .com .


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