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YD7000

Weida Semiconductor
Part Number YD7000
Manufacturer Weida Semiconductor
Description POWER AMPLIFIER
Published Nov 2, 2006
Detailed Description www.DataSheet4U.com YOUDA INTEGRATED CIRCUIT YD7000 POWER AMPLIFIER FOR HEADPHONE STEREOS¡ª DESCRIPTION The YD7000 is...
Datasheet PDF File YD7000 PDF File

YD7000
YD7000

Overview
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.
...


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