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| 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 Input t 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=25C) 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=25C 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=25C, 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=25C, Vcc=9V, f=1kHz, unless otherwise specified) PARAMETER Quiescent Circuit Current PRE AMPLIFIER Open Loop Voltage Gain Maximum Output Voltage Total Harmonic Distortion Output Noise Voltage Cross Talk REC AMPLIFIER Closed Loop Voltage Gain Maximum Output Voltage Total Harmonic Distortion ALC Range Total Harmonic Distortion (ALC) ALC Voltage Muting Attenuation ALC Balance VO(ALC) ATT BALC VIN=-20dBm GV VOM(2) THD(2) RALC THD(ALC) RL=10K THD=1% VO=1.5Vrms VIN=-60dBm,RIN=2.2K VIN=-20dBm, RIN=2.2K,RL=10K VIN=-20dBm, RIN=2.2K,RL=10K 45 55 0 2 dB dB 0.9 1.1 1.42 Vrms 12.7 2 14.7 2.5 0.2 45 0.3 1 16.7 dB Vrms % dB % GVO VOM(1) THD(1) VNO C.T. VIN=-80dBm THD=1% VO=0.2Vrms Rg=2.2K, B.P.F., NAB, 30Hz~20kHz Rg=2.2K 47 60 dB 65 0.5 78 0.8 0.15 0.26 0.5 0.6 dB Vrms % mVrms SYMBOL ICCQ TEST CONDITIONS VIN=0 MIN TYP 8.5 MAX 10.5 UNIT mA UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R110-008,A UTC TA7668BP LINEAR INTEGRATED CIRCUIT TEST METHOD SYMBOL ICCQ GVO VOM(1) THD(1) VNO CT GV VOM(2) THD(2) RALC THD(ALC) VO(ALC) ATT BALC S1 * OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF CH2 S2 * CH1 CH1 CH1 OFF CH1 CH1 CH1 CH1 CH1 CH1 CH1 CH1 CH1CH2 S3 * GV GV GV GV GV GV GV GV GV GV GV GV S4 * NAB NAB NAB FLAT FLAT FLAT FLAT FLAT FLAT FLAT FLAT S5 * CH1 CH1 CH1 CH2 S6 * * * * * * * * * * * * * S7 * * * * * * CH1 CH1 CH1 CH1 CH1 CH1 * CH1CH2 S8 * * * * * * CH2 CH2 CH2 CH2 CH2 CH2 S9 OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF OFF ON S10 * OFF OFF OFF OFF OFF OFF OFF OFF ON ON ON OFF ON Measure Terminal Vcc Pre-Out Pre-Out Pre-Out Pre-Out Pre-Out Pre-Out Rec-Out Rec-Out Rec-Out Rec-Out Rec-Out Rec-Out Mute-Out Rec-Out GVO FLAT FLAT CH1CH2 CH1 CH2 CH2 CH2 CH2 CH2 CH1 * CH1 OFF * OFF UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R110-008,A UTC TA7668BP LINEAR INTEGRATED CIRCUIT TEST CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 4 QW-R110-008,A |
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