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PT2248 is an infrared remote control transmitter utilizing CMOS Technology. It is capable of 18 functions and a total of 75 commands. Single-shot and continuous keys are available. Furthermore, multiple keying is possible. FEATURES • CMOS Technology • Low Power Consumption • Wide Range of Operating Supply Voltage allows Low Voltage Operation (Vcc=2.2 ~ 5.0 .
• CMOS Technology
• Low Power Consumption
• Wide Range of Operating Supply Voltage allows Low Voltage Operation (Vcc=2.2 ~ 5.0 V)
• Multiple Keying is Possible (Maximum of 6 Keys)
• Less External Components
• An Oscillator can be constructed by connecting a ceramic resonator at the oscillation circuit
APPLICATIONS
• Television (TV) Remote Control Transmitter
• Video Cassette Recorder (VCR) Remote Control Transmitter
PT2248 V2.7
-1-
June, 2005
Infrared Remote Control Transmitter
BLOCK DIAGRAM
VS S
1
XT 2 /XT 3
OSC
D Ii vi der
Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.pri.
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