What is TA2123AF?

This is 1.5V Stereo Headphone Amplifier.

A amplifier is an electronic circuit that amplifies or increases the voltage of an electrical signal. The input signal is usually a low-level voltage, and the output signal is a higher-level voltage with the same waveform as the input signal.

[PDF] Complete Technical Details can be found in the TA2123AF datasheet provided at this page.

Datasheet Summary in PDF File

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 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 32 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 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 circu

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[ Detailed Data ]

Q: What is a voltage amplifier, and how does it work?
A: A voltage amplifier is an electronic circuit that increases the amplitude of an input voltage signal. It does this by using active or passive components to amplify the input signal, making it stronger and increasing its voltage level. The output voltage of the amplifier is proportional to the input voltage, and the amplification factor is determined by the circuit design.

Q: What are the types of voltage amplifiers?
A: There are many types of voltage amplifiers, including operational amplifiers (op-amps), transistor amplifiers, vacuum tube amplifiers, and integrated circuit (IC) amplifiers. Each type of amplifier has its unique design and application.

Q: What is the gain of a voltage amplifier?
A: The gain of a voltage amplifier is the ratio of the output voltage to the input voltage. It is typically expressed in decibels (dB) or as a numeric ratio.

Q: What is the frequency response of a voltage amplifier?
A: The frequency response of a voltage amplifier is the range of frequencies that the amplifier can amplify without significant distortion or attenuation. It is determined by the circuit design and the characteristics of the active and passive components used.

Manufacturers : Toshiba Semiconductor

TOSHIBA - TA2123AF Datasheet PDF


1.5V Stereo Headphone Amplifier

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