TA2123AF - Toshiba Semiconductor

TA2123AF 1.5V Stereo Headphone Amplifier

TA2123AF TOSHIBA Bipolar Integrated Circuit Silicon Monolithic TA2123AF 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 func.

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.) No Signal Output coupling type OCL type 1.5mA 2.2mA 0.1mW × 2 3.0mA 4.9mA 0.5mW × 2 5.0mA 8.6mA Weight: 0.17g (typ.