HomedatasheetTA2123AF

TA2123AF Datasheet

TOSHIBA Bipolar Integrated Circuit Silicon Monolithic
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Description

1.5V Stereo Headphone Amplifier

The TA2123AF is the system amplifier IC which is developed for playback stereo headphone equipments. It is built in dual auto−reverse preamplifiers, dual power amplifiers with bass / treble boost function, AMS (automatic music sensor) function, beep function, AGC for power amplifier etc.

Features
 Power amplifier stage
• In case of output coupling type, the supply current decreases. (built−in center amplifier switch)
   • Built−in bass boost function
   • Built−in treble boost function
   • Built−in power amplifier muting function
   • Built−in input terminal for beep signal
   • Built−in input capacitor for reducing buzz noise
   • GV = 24dB (typ.)
   • Built−in AGC circuit (in case of boost mode, this circuit operates.)
• Low supply current
   (VCC = 1.3V, f = 1kHz, RL = 32Ω, Ta = 25°C, typ.)
• Preamplifier stage
   • Auto-reverse compatible
   • Built-in input capacitor for reducing buzz noise
   • Input coupling condensor-less
   • Built-in metal mode drivers
   • Preamplifier muting function
• Built-in ripple filter circuit
• Built-in AMS (automatic music sensor) function (mixer amplifier and level comparator)
• Built-in power switch
• Operating supply voltage range (Ta = 25°C)
   VCC (opr) = 0.95~2.2V

 

Features

Parameters


Manufacturer information

TOSHIBA
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