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SI4126 Datasheet ISM RF SYNTHESIZER

Manufacturer: Silicon Laboratories

Download the SI4126 datasheet PDF. This datasheet also includes the SI4136 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (SI4136_SiliconLaboratories.pdf) that lists specifications for multiple related part numbers.

General Description

The Si4136 is a monolithic integrated circuit that performs both IF and RF synthesis for wireless communications applications.

The Si4136 includes three VCOs, loop filters, reference and VCO dividers, and phase detectors.

Divider and powerdown settings are programmable through a three-wire serial interface.

Overview

Si4136/Si4126 I S M R F S Y N T H E S I ZE R W I T H I N T E G R A T E D V C O S F O R W I R E LE S S C O M M U N I C A T I O N.

Key Features

  • Dual-band RF synthesizers.
  • RF1:.
  • 2300 MHz to 2500 MHz.
  • RF2: 2025 MHz to 2300 MHz.
  • IF synthesizer.
  • 62.5 MHz to 1000 MHz Integrated VCOs, loop filters, varactors, and resonators Minimal external components required Low phase noise 5 µA standby current 25.7 mA typical supply current 2.7 V to 3.6 V operation Packages: 24-pin TSSOP, 28-lead QFN.
  •  Lead-free/RoHS-compliant options Ordering Information: See page 29. availab.

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