Princeton Technology Corp.
Electronic Volume Controller IC
DESCRIPTION
Tel : 886-2-29162151
Fax : 886-2-29174598
URL:
http://www.princeton.com.tw
PT2254A
PT2254A is an electronic volume controller IC utilizing CMOS Technology specially
designed for use on audio equipment. It has two built-in channels making it highly
suitable for mono and stereo sound applications. Through the specially designated
signals that are applied externally to the data, clock and strobe input pins, PT2254A can
control attenuation and channel balance.
FEATURES
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CMOS Technology
Low Power Consumption
High Operating Voltage Range : Vcc = 4 ~ 12 V
0dB to -68dB attenuation controlled by 2dB/step
2 Channels in each chip
Single Power Supply or Dual Power Supplies of (+) and (-) can be used
Attenuation can be controlled by signals attached to the Strobe, Data and Clock Pins.
Available in 16 Pins, DIP & SO Package
APPLICATIONS
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Audio Equipment Volume Control
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Multi-Media PC Audio Control
PT2254A v 2.4
Page 1
Revised August 1998
PTC [ PRINCETON TECHNOLOGY CORP ]
