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Si4438 Datasheet Low-current Transceiver

Manufacturer: Silicon Laboratories

Overview: Si4438 HIGH-PERFORMANCE, LOW-CURRENT TRANSCEIVER.

General Description

e Silicon Laboratories' Si4438 is a high-performance, low-current transceivers covering the sub-GHz frequency bands from 425 to d 525 MHz.

The Si4438 is targeted at the Chinese smart meter market and n is especially suited for electric meters.

This device is footprint- and pin-patible with the Si446x radios, which provide industry-leading e performance for worldwide sub-GHz applications.

Key Features

  • Frequency.
  • Excellent selectivity performance range = 425.
  • 525 MHz.
  • 58 dB adjacent channel.
  • Receive sensitivity =.
  • 124 dBm.
  • 75 dB blocking at 1 MHz.
  • Modulation.
  • (G)FSK.
  • Antenna diversity and T/R switch control.
  • OOK.
  • Highly configurable packet handler.
  • Max output power.
  • TX and RX 64 byte FIFOs.
  • +20 dBm.
  • Auto frequency control (AFC).
  • Low active power consumption.
  • Automatic gain control (AGC.

Si4438 Distributor