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| 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 Page 1 Written April 1999 Princeton Technology Corp. Electronic Volume Controller IC Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2255A PT 2255A V ss L -O U T 1 L -IN 1 A -G N D L -IN 2 L -O U T 2 IN H DCO 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 V cc R -O U T 1 R -IN 1 A -G N D R -IN 2 R -O U T 2 U /D OSC Valid Part Number PT2255A PT2255A-SN Package 16 Pins, DIP 16 Pins, SO (150 mil) PT 2255A - X P ack ag e: D : D IP P ack ag e (m ay be o m itted) S N : S O P ackage (150 m il) P art N u m b er P T C P refix PT2255A v 1.0 Page 2 Written April 1999 Princeton Technology Corp. Electronic Volume Controller IC Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2255A PT2255A v 1.0 Page 3 Written April 1999 Princeton Technology Corp. Electronic Volume Controller IC Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2255A PT2255A v 1.0 Page 4 Written April 1999 Princeton Technology Corp. Electronic Volume Controller IC Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2255A PT2255A v 1.0 Page 5 Written April 1999 |
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