Description
PT2253B 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.
Features
- ! CMOS Technology ! Low Power Consumption ! Operating Voltage Range : Vcc = 4 ~ 12 V
(Backup Voltage is up to 4 V) ! 0dB to -68dB attenuation controlled by 2dB/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
APPLIC.