SA9614

SA9614 RF AMPLIFIER FOR DIGITAL SERVO SYSTEM DESCRIPTION SA9614 is a RF amplifier, used for signal conversion and auto laser power control (ALPC) between the CD optical pickup head and decoding chip. SA9614 includes interface of CD optical diode, RF signal amplifier and equalizer, VREF generation circuit, automatic optical power switching circuit (it suits for CD-A/V, CD-R, CD-R/W, CD-ROM). SOP-16-225-1.27 FEATURES * RF amplitude automatic adjustment circuit (it suits for CD-A/V, CDR, CD-R/W, CD-ROM). * RF signal equalizer (including VCA). * Auto laser power control circuit (ALPC). * Operating voltage: 3V -7V, power dissipation (150mW @5V). Device Package SOP-16-225-1.27 ORDERING INFORMATION APPLICATIONS * CD Players * VCD Players SA9614 BLOCK DIAGRAM HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.0 2006.07.28 Page 1 of 8 SA9614 ABSOLUTE MAXIMUM RATING (Tamb=25°C) Characteristics Power Supply Voltage Operating Temperature Max. Power Dissipation Symbol VDD Tmax Pmax Rating -0.5 ~ +9 -20 ~ +75 500 Unit V °C mW DC ELECTRICAL CHARACTERISTICS Characteristics Power Supply Voltage Photo-Electrical Bias Output Voltage Symbol VDD VREF VDD=5V VDD=5V Test conditions Min. 3.0 Typ. 5.0 30 2.5 Max. 7.0 Unit V mA V AC electrical characteristics (VDD=5V) Characteristics Diode Monitor signal Input Photoelectric Signal Input Symbol MON PD DA11 KSS213 PD is input pins, RFO is output pin RFG=VREF+1V RFG=VREF-1V VCA Gain Control Range VGA Adjust RFC to make1.6MHz...