TA7784P

The TA7784P is a dual preamplifier for autoreverse type and W-cassette type tape player.Tis IC contains dual preamplifier,forward/reverse control switches and metal/normal tape equalizer control switches.

Features of the TA7784P are:(1)high voltage gain : GVO=95dB(Typ.)(VCC=6V,f=1kHz);(2)built-in forward/reverse control switches;(3)operating supply voltage range : VCC(opr)=3.5 to 15V (Ta=25);(4)built-in metal/normal tape equalizer control switches;(5)input coupling capacitor less;(6)low noise : Vni=1.0Vrms(Typ.)(Rg = 600,BW = 20 to 20kHz,NAB EQ).

The maximum ratings of the TA7784P can be summarized as:(1):the characteristic is supply voltage,thesymbol is VCC,the rating is 16,the unit is V;(2):the characteristic is power dissipation,thesymbol is PD,the rating is 750,the unit is mW;(3):the characteristic is operating temperature,thesymbol is Topr,the rating is -30 to 75,the unit is ;(4):the characteristic is storage temperature,thesymbol is Tstg,the rating is -55 to 150,the unit is .

The electrical characteristics of the TA7784P can be summarized as:(1):the characteristic is quiescent current,the symbol is ICCQ(1),the Typ is 5.5,the unit is mA;(2):the characteristic is open loop gain,the symbol is GVO,the Typ is 95,the unit is dB;(3):the characteristic is maximum output voltage,the symbol is Vom,the Min is 1.1,the Typ is 1.5,the unit is Vrms;(4):the characteristic is total harmonic distortion,the symbol is THD,the Typ is 0.035,the Max is 0.12,the unit is %;(5):the characteristic is quiescent current,the symbol is ICCQ(2),the Typ is 7.0,the Max is 11,the unit is mA;(6):the characteristic is cross talk,the symbol is C.T.,the Min is 50,the Typ is 60,the unit is dB;(7):the characteristic is ripple rejection,the symbol is R.R.,the Typ is 55,the unit is dB;(8):the characteristic is forward/reverse cross talk,the symbol is C.T.(F/R),the Min is 60,the Typ is 70,the unit is dB.