TA8155F Datasheet

TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic


REC / PB System Dual Pre−amplifier (1.5 / 3V USE)
The TA8155F and TA8155FN are REC / PB system dual pre
amplifier ICs, which are developed for low voltage operation (1.5 /
3V use). These are especially suitable for a stereo headphone
cassette player.
Built−in dual playback amplifiers.
  Input coupling condenser−less.
  Built−in capacitor for buzz noise.
Built−in dual buffer amplifiers.
  For radio signal inut.
  Monitor for REC mode.
Built−in dual microphone amplifiers.
  Built−in an ALC circuit for MIC−REC mode.
  Attack time. : 0.1s (typ.)
  Recovery time. : 3.5s (typ.)
Built−in dual recording amplifiers.
  Single−end output type.
Built−in a power switch.
Low quiescent current. (VCC= 1.2V, Ta = 25°C)
  PB mode .................... ICCQ2= 2.6mA (typ.)
  Radio mode ............. ICCQ3= 2.4mA (typ.)
  Radio−REC mode ... ICCQ4= 3.0mA (typ.)
  MIC−REC mode ........ ICCQ5= 4.5mA (typ.)
Low power dissipation.
  PB mode : 2.9mW (typ.)
  MIC−REC mode : 8.9mW (typ.)
Operating supply voltage range. (Ta = 25°C)
  VCC (opr)= 0.9~4V
  VCC (opr) (REC)= 1.8~4V



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