Si4455 - Silicon Laboratories

Si4455 LOW-CURRENT OOK/(G)FSK SUB-GHZ TRANSCEIVER

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. The +1.

Features

 Frequency range =
 Max data rate = 500 kbps 283
  –960 MHz
 Power supply = 1.8 to 3.6 V
 Receive sensitivity =
  –116 dBm
 Modulation
 TX and RX 64 byte FIFOs
 Automatic frequency control (AFC)
 Automatic gain control (AGC)
(G)FSK
 Integrated battery voltage sensor
OOK
 Max output power = +13 dBm
 Packet handling including preamble, sync word detection, and
 Low active power consumption CRC
10 mA RX
 Low BOM
18 mA TX @ +10 dBm
 Low standby current = 50 nA
 20-Pin 3x3 mm QFN package Applications Pin Assignments GPIO3 GPIO2 XIN XOUT
 Remote control
 Home .