PT2240B-S无线遥控编码芯片

DESCRIPTION

PT2240B is encoder utilizing CMOS Technology specially designed for remote control applications. It has 220 Address. It can support up to 4 Data Bits and is housed in 8 pin SOP package. It encodes address and

data codes into a coded waveform suitable for RF modulation. The pin assignments and application circuit are optimized for easy PCB Layout and cost saving advantage. Furthermore, PT2240B’s intrinsic feature of being able to support 4 data bits considerably reduces inventory pressures.

FEATURES

 Operating voltage: 1.8~15V

 Single resistor oscillator

 High noise immunity

 Least external components

 Low power consumption

 CMOS technology

 4 Data pins

 220 address codes

 Available in SOP package

 Reduction of inventory pressures

APPLICATIONS

 Burglar alarm system

 Car security system

 Car/Garage door controller

 Home/Office security system

 Personal alarm system