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URL: http://www.princeton.com.tw
Electronic Volume Controller IC
PT2253A
DESCRIPTION
PT2253A is an electronic volume controller IC utilizing CMOS Technology specially designed for use
on audio equipments. It has two (2) built-in channels making it ideally suitable for mono and stereo
sound applications. PT2253A 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
•
Operating voltage range: Vcc=6 ~ 12V
(Backup voltage is up to 4V)
•
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 pin, DIP package
APPLICATIONS
•
Audio Equipment Volume Control
•
Traditional VR Replacement
PT2253A V2.8
-1-
December, 2005
PTC [ PRINCETON TECHNOLOGY CORP ]
