UTCTA7668BP UTC | Alldatasheet
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UTC TA7668BP LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R110-008,A 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 DET 34 15 129 13 1 ALC Rec AMP Rec AMP Pre AMP Pre- AMP Ch1 Pre-Out and Rec in Ch1 Rec Output Mute Input Mute Outpu t Vcc Vs Rec GND Mute Output Ch2 Rec Output Pre GND Ch2 Pre-Out and Rec In Ch2 Pre IN NF Ch2 Pre IN ALC Ch1 Pre IN NF Ch1 Pre IN ABSOLUTE MAXIMUN RATING ( Ta=25 °C) PARAMETER SYMBOL VALUE UNIT Supply Voltage VCC 16 V Power Dissipation PD 750 mW Operating Temperature TOPR -25~75 °C Storage Temperature TSTG -55~150 °C Note: De-rated above Ta=25 °C in proportion of 6mW/ °C.
UTC TA7668BP LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R110-008,A DC VOLTAGE (V CC =9V,Ta=25 °C, no input signal) PIN NO. SYMBOL VALUE UNIT
1 V1 0 V
2 V2 8.2 V
3 V3 0 V
4 V4 3.3 V 5 V5 1.3 V 6 V6 1.3 V
7 V7 0 V
8 V8 0.9 V
9 V9 0 V
10 V10 0 V
11 V11 1.3 V 12 V12 1.3 V 13 V13 3.3 V
14 V14 0 V
15 V15 2.4 V
16 V16 9 V
ELECTRICAL CHARACTERISTICS (Ta=25 °C , Vcc=9V, f=1kHz, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Quiescent Circuit Current ICCQ VIN=0 8.5 10.5 mA PRE AMPLIFIER Open Loop Voltage Gain GVO VIN=-80dBm 65 78 dB Maximum Output Voltage VOM(1) THD=1% 0.5 0.8 Vrms Total Harmonic Distortion THD(1) VO=0.2Vrms 0.15 0.5 % Output Noise Voltage VNO Rg=2.2K Ω , B.P.F., NAB, 30Hz~20kHz 0.26 0.6 mVrms Cross Talk C.T. Rg=2.2K Ω 47 60 dB REC AMPLIFIER Closed Loop Voltage Gain GV RL=10K Ω 12.7 14.7 16.7 dB Maximum Output Voltage VOM(2) THD=1% 2 2.5 Vrms Total Harmonic Distortion THD(2) VO=1.5Vrms 0.2 % ALC Range RALC VIN=-60dBm,RIN=2.2K Ω 45 dB Total Harmonic Distortion ( ALC) THD( ALC) VIN=-20dBm, RIN=2.2K Ω ,RL=10K Ω 0.3 1 % ALC Voltage VO( ALC) VIN=-20dBm, RIN=2.2K Ω ,RL=10K Ω 0.9 1.1 1.42 Vrms Muting Attenuation ATT 45 55 dB ALC Balance BALC VIN=-20dBm 0 2 dB
UTC TA7668BP LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R110-008,A TEST METHOD SYMBOL S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 Measure Terminal GVO OFF CH1 GVO FLAT CH1 * * * OFF OFF Pre-Out VOM(1) OFF CH1 GV NAB CH1 * * * OFF OFF Pre-Out THD(1) OFF CH1 GV NAB CH1 * * * OFF OFF Pre-Out VNO OFF OFF GV NAB CH2 * * OFF OFF Pre-Out CT OFF CH1 GV FLAT CH1 → CH2 * * * OFF OFF Pre-Out GV OFF CH1 GV FLAT CH1 * CH1 CH2 OFF OFF Pre-Out → Rec-Out VOM(2) OFF CH1 GV FLAT CH2 * CH1 CH2 OFF OFF Rec-Out THD(2) OFF CH1 GV FLAT CH2 * CH1 CH2 OFF OFF Rec-Out RALC OFF CH1 GV FLAT CH2 * CH1 CH2 OFF ON Rec-Out THD( ALC) OFF CH1 GV FLAT CH2 * CH1 CH2 OFF ON Rec-Out VO( ALC) OFF CH1 GV FLAT CH2 * CH1 CH2 OFF ON Rec-Out ATT OFF CH1 GV FLAT CH1 * * CH1 OFF → ON OFF Mute-Out BALC CH2 CH1 → CH2 GV FLAT * * CH1 → CH2 * OFF ON Rec-Out
UTC TA7668BP LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 4 QW-R110-008,A TEST CIRCUIT