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| Princeton Technology Corp. Remote Control Encoder Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2265 PT2265 is a remote control encoder paired with PT2275 utilizing CMOS Technology. Using a special coding technique, PT2265 increases noise immunity to a very great extent and can perform one bit error check. It is housed in 14-pins, DIP Package and has a maximum of eight (8) input channels. Its high performance features make PT2265 a MUST in every fan and other electrical home appliance remote control application. ! ! ! ! ! ! CMOS Technology Low Power Consumption Very High Noise Immunity Operating Voltage : Vcc = 2.2 ~ 5.0 Volts Transmits signals to a maximum of 8 channels Start Word Custom Code Options Available (Please contact PTC for details.) ! ! ! ! Fan Remote Control Air Cleaner Humidifier Heater Note: PT2265 has been updated and can be identified by the "B" mark on the lower right hand corner of the IC's topcode (beside the date code). Please refer to the diagram on the Order Information Section The difference between the old and new version is the external application circuit in the OSC1 and OSC2 pins. (see Oscillator Section) PT2265 v 2.3 Page 1 Revised Sept. 1998 Princeton Technology Corp. Remote Control Encoder Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2265 Part Number PT2265 Package 14 Pins, DIP The New Version of PT2265 is identified by the "B" Mark on the lower right hand corner of the topcode. Please refer to the following diagram: PT2265 v 2.3 Page 2 Revised Sept. 1998 Princeton Technology Corp. Remote Control Encoder Tel: 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw PT2265 PT2265 New Version (with "B" mark near Date Code) IR Transmitter Application Circuit 3V + + 4 7 u F (see L a y o u t N ote ) I1 I2 I3 I4 I5 I6 I7 V cc 455 K H z OSC1 OSC2 220 pF NC TXOUT IR L E D V ss I8 4.7 O h m 220 pF P T 226 5 1K PT2265 Old Version IR Transmitter Application Circuit + 3V + 45 5 K H z 47 u F (see L a you t N ote) I1 I2 I3 I4 I5 I6 I7 Vcc O SC 1 10 M O SC 2 NC TX OUT IR L E D V ss I8 10 0p F 4.7 O h m P T 2265 PT2265 v 2.3 Page 3 1K Layout Note: Place the 47uF Capacitor as close as possible to the PT2265's Vcc Pin & GND. Revised Sept. 1998 |
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