CMT2218B

CMT2218B is an ultra-low power, high performance, OOK (G) FSK RF Receiver

Description

CMT2218B is an ultra-low power, high performance, OOK (G) FSK RF Receiver suitable for a variety of 140 to 1020 MHz wireless applications. It is part of the CMOSTEK NextGenRF TM RF product line. The product line contains the complete transmitters, receivers and transceivers.The high integration of CMT2218B simplifies the peripheral materials required in the system design. Up to -121 dBm sensitivity optimizes the performance of the application. It supports the“antenna-in, data-out”direct mode. In addition, CMT2218B also supports GPIO and interrupt configuration, Duty-Cycle operation mode, channel  sensing, high-precision  RSSI,  power-on  reset, quelchand etc. The features make the application design more flexible and differentiated. CMT2218B operates from 1.8 V to 3.6 V. Only 8.5 mA current is consumed when the sensitivity is -121 dBm, SuperLow Power mode can further reduce the chip power consumption.

Features

  • Frequency range: 127 ~1020MHz
  • Demodulation:  (G)FSK and (G)MSK
  • Data rate: 0.5 ~ 300 kbps
  • Sensitivity:
    • -121 dBm 2.0 kbps, F RF = 433.92 MHz    
    • -111 dBm 50 kbps, F RF = 433.92 MHz
  • Voltage range:  1.8 ~3.6 V
  • Rx current:
    • 8.5 mA @ 433.92 MHz, FSK (High power mode)
    • 7.2 mA @ 433.92 MHz, FSK (Low power mode)
  • Super Low Power receive mode
  • Sleep current:
    • 300 nA, Duty Cycle = OFF
    • 800 nA, Duty Cycle = ON
  • Receiver Features:
    • Fast and stable automatic frequency control (AFC)
    • 3 types of clock data recovery system (CDR)
    • Fast and accurate signal detection (PJD)
  • 3-wire SPI interface for EEPROM burning
  • Direct mode supported
  • Stand-alone working mode
  • Adjustable data out 0 and 1 interval

Applications

  • Automatic meter reading
  • Home security and building automation
  • ISM band data communication
  • Industrial monitoring and control
  • Remote control and security system
  • Remote key entry
  • Wireless sensor node
  • Tag reader

Description Version Updated Size
CMT2218B 0.5 2018/05/31 1.47 MB
Description Version Updated Size
Description Version Updated Size
 
Similar Devices
 Part Number Modulation  Frequency 
(MHz)
 Symbol Rate 
(kbps)
 Sensitivity
(dBm)
Remark
OOK 300 – 920 1 -113
OOK 315/433.92 5.0 -109
OOK 300 – 920 1 -113
OOK / (G) FSK 300 - 960 100 -109
OOK/(G) FSK 140 - 1020 300 -121

Order Samples

CMOSTEK provides samples to qualified developers at no charge, please fill the form below to start the application.

 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
    *