HT12A Encoder

Model : AIC-00052

Supplier : Made in China

TechshopBD, Bangladesh


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The 212 encoders are a series of CMOS LSIs for remote control system applications. They are capable of encoding information which consists of N address bits and 12N data bits. Each address/data input can be set to one of the two logic states. The programmed addresses/data are transmitted together with the header bits via an RF or an infrared transmission medium upon receipt of a trigger signal. The capability to select a TE trigger on the HT12E or a DATA trigger on the HT12A further enhances the application flexibility of the 212 series of encoders. The HT12A additionally provides a 38kHz carrier for infrared systems.

  • Operating voltage :2.4V~5V for the HT12A  
  • Low power and high noise immunity CMOS technology
  • Low standby current: 0.1A (typ.) at VDD=5V
  • HT12A with a 38kHz carrier for infrared transmission medium Min
  • Minimum transmission word :One word for the HT12A
  • Built-in oscillator needs only 5% resistor
  • Data code has positive polarity
  • Minimal external components 

Application Example

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