Princeton Technology Corp
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Electronic Volume Controller IC
DESCRIPTION
Tel: 886-2-29162151
Fax: 886-2-29174598
URL:
http://www.princeton.com.tw
PT2253B
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. PT2253B
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
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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
APPLICATIONS
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Audio Equipment Volume Control
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Traditional VR Replacement
PT2253B v 1.7
Page 1
Revised October 1999
PTC [ PRINCETON TECHNOLOGY CORP ]
