Description

PT2255A is an electronic volume controller IC utilizing CMOS Technology specially designed for use on audio equipment. It has two (2) built-in channels making it ideally suitable for mono and stereo sound applications. PT2255A provides a wide frequency response range and a very low harmonic distortion to mention a few; thereby guaranteeing a highly effective and reliable performance.

Features

❐ CMOS Technology

❐ Low Power Consumption

❐ High Operating Voltage Range : Vcc = 4 ~ 12 V (Backup Voltage is up to 4 V)

❐ 0dB to -34dB attenuation controlled by 1dB/step

❐ 2 Channels in each chip

❐ Capable to control attenuation by a built-in oscillator and Up/Down Pin

❐ Single Power Supply or Dual Power Supplies of (+) and (-) can be used

❐ Wide Frequency Response Range

❐ Very Low Harmonic Distortion

❐ Available in 16 pins, DIP or SO Package

Application

❐ Audio Equipment Volume Control