深圳市中立信电子科技有限公司

SI4455-B1A-FMR

射频收发器 +13/-116 dBm sub-GHz transceiver

EASY-TO-USE, LOW-CURRENT OOK/(G)FSK SUB-GHZ  TRANSCEIVER

Description SI4455-B1A-FMR

Silicon Laboratories’ Si4455 is an easy-to-use, low current, sub-GHz  EZRadio® transceiver. Covering all major bands, it combines  plug-and-play simplicity with the flexibility needed to handle a wide variety  of applications. The compact 3x3 mm package size combined with a low  external BOM count makes the Si4455 both space efficient and cost  effective.

Applications SI4455-B1A-FMR

 Remote control

 Home security and alarm

 Telemetry

 Garage and gate openers

 Remote keyless entry

 Home automation

 Industrial control

 Sensor networks

 Health monitors

Features SI4455-B1A-FMR

 Frequency

range = 283–960 MHz

 Receive

sensitivity = –116 dBm

 Modulation

(G)FSK

OOK

 Max output power = +13 dBm

 Low active power consumption

10 mA RX

18 mA TX @ +10 dBm

 Low standby current = 50 nA

 Max data rate = 500 kbps

 Power supply = 1.8 to 3.6 V

 TX and RX 64 byte FIFOs

 Automatic frequency control (AFC)

 Automatic gain control (AGC)

 Integrated battery voltage sensor

 Packet handling including

preamble, sync word detection, and CRC

 Low BOM

 20-Pin 3x3 mm QFN package