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TRF3761-GIRHAT

Low Noise Integer N PLL Frequency Synthesizer With Integrated VCO

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TRF3761-GIRHAT General Description

TRF3761 is a family of high performance, highly integrated frequency synthesizers, optimized for high performance applications. The TRF3761 includes a low-noise, voltage-controlled oscillator (VCO) and an integer-N PLL.

TRF3761 integrates divide-by 1, 2, or 4 options for a more flexible output frequency range. It is controlled through a 3-wire serial-programming-interface (SPI) interface. For power sensitive applications the TRF3761 can be powered down by the SPI interface or externally via chip_en pin 2.

Texas Instruments, Inc Inventory

Key Features

  • Fully Integrated VCO
  • Low Phase Noise: –137dBc/Hz (at 600kHz, fVCO
    of 1.9GHz)
  • Low Noise Floor: –158dBc/Hz at 10MHz Offset
  • Integer-N PLL
  • Input Reference Frequency range: 10MHz to
    104MHz
  • VCO Frequency Divided by 2-4 Output
  • Output Buffer Enable Pin
  • Programmable Charge Pump Current
  • Hardware and Software Power Down
  • 3-Wire Serial Interface
  • Single Supply: 4.5V to 5.25V Operation
Texas Instruments, Inc Original Stock
Texas Instruments, Inc Inventory

Specifications

Category Integrated Circuits (ICs)Clock/TimingClock Generators, PLLs, Frequency Synthesizers Mfr Texas Instruments
Series - Package Tape & Reel (TR)Cut Tape (CT)Digi-Reel®
Product Status Active Digi-Key Programmable Not Verified
Type Integer-N Synthesizer/VCO PLL Yes
Input Clock Output Clock
Number of Circuits 1 Ratio - Input:Output 1:1
Differential - Input:Output No/Yes Frequency - Max 2.06GHz
Divider/Multiplier Yes/No Voltage - Supply 4.5V ~ 5.25V
Operating Temperature -40°C ~ 85°C Mounting Type Surface Mount
Package / Case 40-VFQFN Exposed Pad Supplier Device Package 40-VQFN (6x6)
Base Product Number TRF3761 Integrated VCO Yes
Output frequency (min) (MHz) 1920 Output frequency (max) (MHz) 2059
Normalized PLL phase noise (dBc/Hz) -137 Current consumption (mA) 130
Features Integer N PLL, Integrated VCO Rating Catalog
Operating temperature range (°C) -40 to 85 Lock time (µs) (typ) >350
feature-maximum-operating-supply-voltage-v 5.25 feature-minimum-operating-supply-voltage-v 4.5
feature-packaging Tape and Reel feature-rad-hard
feature-pin-count 40 feature-supplier-package VQFN EP
feature-standard-package-name1 QFN feature-cecc-qualified No
feature-esd-protection feature-escc-qualified
feature-military No feature-aec-qualified No
feature-aec-qualified-number feature-auto-motive No
feature-p-pap No feature-eccn-code EAR99
feature-svhc No

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