PT2240B-S原裝進(jìn)口PTC編碼器芯片PT2240DESCRIPTION PT2240B-S 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. PT2240B-S APPLICATIONS • Burglar alarm system • Car security system • Car/Garage door controller • Home/Office security system • Personal alarm system PT2240B-S FEATURES • CMOS technology • Low power consumption • Least external components • High noise immunity • Single resistor oscillator • Operating voltage: 1.8~15V • 4 Data pins • 220 address codes • Available in SOP package • Reduction of inventory pressures | 
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