PT2255中文资料Electronic Volume Controller IC数据手册PTC规格书

描述 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.

特性 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 PackageApplication
❐ Audio Equipment Volume Control