TA7668BP

UTC TA7668BP LINEAR INTEGRATED CIRCUIT DUAL PRE-AMPLIFIER FOR TAPE RECORDER DESCRIPTION The UTC TA7668BP is a dual pre-amplifier with ALC and muting designed for use recorder/playback amplifier of tape recorder. It is suitable for a stereo set and a radio cassette recorder. FEATURES *Build-in ALC detector circuit *Build-in muting circuit *Wide operating voltage range( 6V to 15V) DIP-16 BLOCK DIAGRAM Ch1 Pre-Out and Rec in Ch1 Rec Mute Mute Output Outpu t Input 5 Ch1 Pre IN NF 4 3 15 6 PreAMP Rec AMP Ch1 Pre IN 7 16 Vcc ALC 8 ALC DET 2 Vs Ch2 Pre IN 10 Pre AMP Rec AMP Ch2 Pre IN NF 11 9 Pre GND 12 Ch2 Pre-Out and Rec In 13 14 1 Rec GND Ch2 Rec Mute Output Output ABSOLUTE MAXIMUN RATING(Ta=25°C) PARAMETER SYMBOL Supply Voltage Power Dissipation Operating Temperature VCC PD TOPR VALUE 16 750 -25~75 -55~150 UNIT V mW °C °C Storage Temperature TSTG Note: De-rated above Ta=25°C in proportion of 6mW/°C. UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R110-008,A UTC TA7668BP LINEAR INTEGRATED CIRCUIT DC VOLTAGE(VCC=9V,Ta=25°C, no input signal) PIN NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SYMBOL V1 V2 V3 V4 V5 V6 V7 V8 V9 V10 V11 V12 V13 V14 V15 V16 VALUE 0 8.2 0 3.3 1.3 1.3 0 0.9 0 0 1.3 1.3 3.3 0 2.4 9 UNIT V V V V V V V V V V V V V V V V ELECTRICAL CHARACTERISTICS(Ta=25°C, Vcc=9V, f=1kHz, unless otherwise specified) PARAMETER Quiescent Circuit Current PRE AMPLIFIER Open Loop Voltage Gain Maximum Output Voltage Total Harmonic Distortion Output Noi...