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| Princeton Technology Corp. Infrared Remote Control Transmitter Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2248 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. ! ! ! ! ! ! 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 ! ! Television (TV) Remote Control Transmitter Video Cassette Recorder (VCR) Remote Control Transmitter PT2248 v 2.5 Page 1 Revised Dec. 1998 Princeton Technology Corp. Infrared Remote Control Transmitter Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2248 PT2248 V ss XT XT K1 K2 K3 K4 K5 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 V cc TXOU T TEST CODE T3 T2 T1 K6 PT2248 v 2.5 Page 2 Revised Dec. 1998 Princeton Technology Corp. Infrared Remote Control Transmitter Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2248 3V PNP IN4148 IR LED 2 R 16 15 14 13 12 11 T2 10 T1 9 K6 V cc T X O U T T E S T C O D E T 3 PT2248 V ss 1 XT 2 3 XT 4 K1 5 K2 6 K3 7 K4 K5 8 120p 455K 120p 1 7 Pin Nos. 4 ~ 9 13 2 8 14 3 9 15 4 10 16 5 11 17 6 12 18 Pin Nos. 10 ~ 12 Notes: 1. R = 200 Ohms to 3.9 K Ohms 2. It is highly recommended that the 47f capacitor be situated near the Vcc. PT2248 v 2.5 Page 3 Revised Dec. 1998 Princeton Technology Corp. Infrared Remote Control Transmitter Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2248 PART NUMBER PT2248 PT2248-S PT2248-SN PACKAGE 16 Pins, DIP 16 Pins, SO 16 Pins, SO (Narrow) PT 2248 - X Package Code: P : PDIP, can be omitted S : Small Outline (300 mil) SN : Small Outline (150 mil) Product Number PTC Prefix PT2248 v 2.5 Page 4 Revised Dec. 1998 |
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