D7312CP

www.DataSheet4U.com Silicore DUAL CHANNEL PRE-AMP. WITH ALC DESCRIPTION The D7312CP is a monolithic integrated circuit designed for dual pre-amplifier circuit with ALC for record /playback a mplifier of cassette tape recorder. D7312CP Outline Drawing FEATURE z z z z z z High op en loop gain Incorporates ALC detector circuit No inpu t coupling condenser Low noise and current consu mption Wide ALC range Wide op erating voltage range: Vcc=5V ~ 12V Low Power ON shock noise DIP-14 BLOCK DIAGRAM AND PIN CONNECTION ALC Input of Ch2 Phase compensation of ch2 10 Ch2 Amp Ch1 Amp ALC Input of Ch1 Output1 ALC Time constant Phase compensation of ch1 1 GND 2 3 4 5 6 NF of ch1 7 Input of ch1 NF of ch2 Ripple filter Output2 Vcc 14 13 12 11 Input of ch2 9 8 Ripple Filter ALC SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn www.DataSheet4U.com 1/5 CHMC www.DataSheet4U.com Silicore ABSOLUTE MAXIMUM RATINGS (Ta=25 ° C) Characteristic Supply Voltage Supply Current Power Diss ipation Operating Te mp erature Storage Temp erature Symbol Vcc Icc PD Topr Tstg D7312CP Value 14 50 700 -55~125 -65~150 Unit V mA mW °C °C ELECTRICAL CHARACTERISTICS (unless otherwise specified: Ta=2 5 ° C, Vcc=6V; f=1kHz£¬ Test conditions Vin=0V Vo =0.5V Vo =0.5V THD=1% Rg=0 Ω Vin=400 µ V Beginning 0dB to 3dB Vo=0.5 V, CB=Gv1-Gv2 R L =5.1k Ω ) Characteristics Quiescent Current Operating Vo ltage Closed-loop Vo ltage Gain Total Harmonic Distortion Output Voltage Output noise Vo ltage ALC Vo lt...