TA7784P Unisonic Technologies, TA7784P Datasheet
TA7784P
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TA7784P Summary of contents
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... UTC TA7784P LINEAR INTEGRATED CIRCUIT DUAL PRE-AMPLIFIER FOR AUTO-REVERSE DESCRIPTION The UTC TA7784P is a dual pre-amplifier for auto-reverse type and W-cassette type tape player. This IC contains dual pre-amplifier, forward/ reverse control switches and metal/ normal tape equalizer control switches. FEATURES *High voltage gain: G =95dB(typ) at Vcc=6V， ...
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... UTC TA7784P LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUN RATINGS PARAMETER Supply Voltage Power Dissipation Operating Temperature Storage Temperature Note: de-rated above Ta=25°C in the proportion of 6mW/°C. ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL Quiescent Current ICCQ1 ICCQ1 Open Loop Voltage Gain GVo Maximum Output Voltage ...
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... UTC TA7784P LINEAR INTEGRATED CIRCUIT TEST CIRCUIT (Pin Configuration and DC Voltage R =180kΩ f =22 µF 100 µ SW2 620Ω SW2-2 a =22 µF 100 µ =180kΩ f *Gvo Test: SW1-1, 2: Off, SW2-1, 2:B Pin Configuration and DC Voltage( Vcc=6V, Ta=25° ...
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... UTC TA7784P LINEAR INTEGRATED CIRCUIT APPLICATION INFORMATION 1.Forward/Reverse select switch 1） Threshold voltage: Pin 3 is coupled to the base of Q1( PNP-Tr) as Fig. 1 The threshold voltage is 0~0.3V at reverse stage and is 1.1~Vcc at the Forward stage. 2） The recommended Forward/ Reverse select circuit is shown in Fig. 2 3） ...