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| YOUDA INTEGRATED CIRCUIT YD22241 DUAL EQUALIZER AMPLIFIER WITH ALC ---- YD22241 DESCRIPTION The YD22241 is a monolithic integrated circuit consisting of dual equalizer amplifier with ALC. It is suitable for stereo radio cassette tape recorder. FEATURES *Dual equalizer amplifier with built-in ALC circuit *Low noise VNI=1.0V (typ.) *High open loop voltage gain: Gvo=80dB (typ.) *Power voltage range: 4.514V *Good ALC response balance between channels *Not necessary the diode of transistor for ALC *Built in power supply muting circuit *Minimum number of external parts required *Package: SIP-9 BLOCK DIAGRAM + ALC ALC CONT ALC + - 1 2 3 4 5 6 7 8 9 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 3 2006-07-30 YOUDA INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Power Dissipation Operating Temperature Storage Temperature (Tamb=25) VALUE 16 550 -20+75 -40+125 YD22241 SYMBOL VCC PD Topr Tstg UNIT V mW ELECTRICAL CHARACTERISTICS (Tamb=25, Vcc=9V, f=1kHz, Unless otherwise specified) PARAMETER Quiescent Current Open Loop Voltage Gain Closed Loop Voltage Gain Output Voltage Total Harmonic Distortion Input Noise Voltage Input Resistance ALC Range ALC Balance SYMBOL Iccq Gvo Gvc Vo THD VNi Zi VALC Gv Rg=3.9k, THD=10% Vin=1mV TEST CONDITIONS Vi=0 VO=0.3V VO=0.3V THD=1% VO=0.3V Rg=2.2k, BW=20Hz20kHz 15 40 MIN 1.5 70 45 0.6 TYP 3.5 80 48 1.2 0.1 1.0 25 45 0 2.5 0.3 2.0 45 50 MAX 4.5 UNIT mA dB dB V % V k dB dB WuXi YouDa Electronics Co., Ltd 2 of 3 Website: www.e-youda.com YOUDA INTEGRATED CIRCUIT APPLICATION CIRCUIT YD22241 1 18k 39 + 100 2 3 4 5 6 7 8 9 220 Vcc 3.9k + 10 Vin1 + 10 Vout1 ALC SW + 22 1M + 330 + 10 Vout2 18k 3.9k + 10 Vin2 39 + 100 OUTLINE DRAWING WuXi YouDa Electronics Co., Ltd 3 of 3 Website: www.e-youda.com |
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