Description

The PT2249A / PT2250A Series are infra-red remote control receivers utilizing 

CMOS Technology. Remote Control System can be constructed together with the PT2248 remote control encoder. The PT2249A Series are packaged in 16 pins DIP and are capable of controlling 10 functions while the PT2250A Series are packaged in 24 pins DIP and are capable of controlling 18 functions. Several

options, inverting/non-inverting IR signal input and/or dependent/independent

cyclic (toggle) outputs, are provided to fit different application needs.

 

 

Features

CMOS Technology

Low Power Consumption

Very High Noise Immunity

Able to output parallel multiple keying signals sent from the transmitter 

(PT2249A is able to output up to 5 functions simultaneously while

PT2250A is able to output up to 6 functions simultaneously)

Outputs for single pulse, hold pulse and cyclic pulse are provided

A single terminal type oscillator by means of RC is provided

Code Detection Circuit prevents interference from various types of 

machines and apparatus

Digital Filtering and Code Checking prevent interference from light 

sources such as PL Lamp without sacrificing the receiving sensitivity

 

 

 

 

**注意 & Noted:

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