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TRF3761-E

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Low Noise Integer N PLL Frequency Synthesizer With Integrated VCO

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Data sheet

TRF3761-E

ACTIVE
Data sheet Order now

Product details

Integrated VCO Yes Output frequency (min) (MHz) 1805 Output frequency (max) (MHz) 1936 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) (s) >350
Integrated VCO Yes Output frequency (min) (MHz) 1805 Output frequency (max) (MHz) 1936 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) (s) >350
VQFN (RHA) 40 36 mm² 6 x 6
  • 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
  • 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

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.

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.
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Technical documentation

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Type Title Date
* Data sheet TRF3761-x Integer-N PLL with Integrated VCO datasheet (Rev. K) PDF | HTML 31 Dec 2015
Application note TRF3761 QFN Installation Using a Hakko Hot Air Rework Station 07 Apr 2007
Application note Fractional/Integer-N PLL Basics 13 May 1998

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

GUI for evaluation module (EVM)

SLWC102 — TRF3761EVM Software Package

Supported products & hardware

Supported products & hardware

Products
RF PLLs & synthesizers
TRF3761-B — Low Noise Integer N PLL Frequency Synthesizer With Integrated VCO TRF3761-C — Low Noise Integer N PLL Frequency Synthesizer With Integrated VCO TRF3761-E — Low Noise Integer N PLL Frequency Synthesizer With Integrated VCO TRF3761-F — Low Noise Integer N PLL Frequency Synthesizer With Integrated VCO TRF3761-G — Low Noise Integer N PLL Frequency Synthesizer With Integrated VCO TRF3761-H — Low Noise Integer N PLL Frequency Synthesizer With Integrated VCO TRF3761-J — Low Noise Integer N PLL Frequency Synthesizer With Integrated VCO
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Calculation tool

TRF3761CALC — TRF3761 Loop Filter Calculator

TRF3761CALC is a loop filter design tool for the TRF3761 PLL Frequency Synthesizer with integrated VCO.

Supported products & hardware

Supported products & hardware

Products
RF PLLs & synthesizers
TRF3761-A — Low Noise Integer N PLL Frequency Synthesizer With Integrated VCO TRF3761-B — Low Noise Integer N PLL Frequency Synthesizer With Integrated VCO TRF3761-C — Low Noise Integer N PLL Frequency Synthesizer With Integrated VCO TRF3761-E — Low Noise Integer N PLL Frequency Synthesizer With Integrated VCO TRF3761-F — Low Noise Integer N PLL Frequency Synthesizer With Integrated VCO TRF3761-G — Low Noise Integer N PLL Frequency Synthesizer With Integrated VCO TRF3761-H — Low Noise Integer N PLL Frequency Synthesizer With Integrated VCO TRF3761-J — Low Noise Integer N PLL Frequency Synthesizer With Integrated VCO
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VQFN (RHA) 40 Ultra Librarian
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