Princeton Technology Corp
.
Electronic Volume Controller IC
Tel: 886-2-29162151
Fax: 886-2-29174598
URL:
http://www.princeton.com.tw
PT2255A
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.
!
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
!
Audio Equipment Volume Control
PT2255A v 1.0
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Written April 1999
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