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Low Power Wideband Fractional RF Synthesizer

The 8V97051 is a high performance Wideband RF Synthesizer / PLL optimized for use as the local oscillator (LO) in Multi-Carrier, Multi-mode FDD & TDD Base Station radio card. It is offered in a compact 5x5, 32-VFQFN package.
The 8V97051 Wideband RF Synthesizer / PLL offers a default Fractional Mode with the option to use it with an Integer mode. It requires an external loop filter.
The 8V97051 with integrated Voltage Controlled Oscillator (VCO) supports output frequencies from 34.375MHz to 4400MHz and maintains superior phase noise and spurious performance.
RF_OUT[A:B] output drivers have independently programmable output power ranging from –4dBm to +7dBm. The RF_OUT outputs can be muted. The mute function is accessible via a SPI command or mute pin.

IDT’s RF Synthesizer family also includes the 8V97053 – Wideband RF Synthesizer / PLL with integrated VCO - that offers enhanced phase noise specifications geared to GSM and Band 42 radio cards applications.


  • Dual Differential Outputs
  • Output frequency range: 34.375MHz to 4400MHz (continuous range)
  • RF Output Divide by 1, 2, 4, 8, 16, 32, 64
  • Open Drain Outputs
  • Fractional-N synthesizer (also supports Integer-N mode)
  • 16-bit integer and 12-bit fractional
    (16-bit fractional when using the extended registers)
  • 3- or 4-wire SPI interface (compatible with 3.3V and 1.8V)
  • Single 3.3V supply
  • Logic compatibility: 1.8V
  • Programmable output power level: -4dBm to +5dBm
    (up to +7 when using the extended registers)
  • Mute Function
  • Ultra low PN for 1.1GHz LO: -143dBc/Hz @ 1MHz Offset, (typical)
  • Lock Detect Indicators
  • Input Reference frequency: 5MHz to 310MHz
  • Power Consumption: 380mW (typical) (RF_OUTB disabled)
  • 32-Lead, 5x5 VFQFN package
  • Automatic VCO band selection (Autocal feature)
  • -40°C to +85°C ambient operating temperature
  • Lead-free (RoHS 6) packaging
  • Supported by IDT Timing Commander software tool

Product Options

Orderable Part IDPart StatusPkg. CodePkg. TypeLead Count (#)Temp. GradePb (Lead) FreeCarrier TypeSample & Buy
8V97051NLGIActiveNLG32P1VFQFPN32IYesTrayCheck Availability
8V97051NLGI/WActiveNLG32P1VFQFPN32IYesReelCheck Availability
8V97051NLGI8ActiveNLG32P1VFQFPN32IYesReelCheck Availability


Technical Documentation

Title Other Languages Type Format File Size Datesort icon
Datasheets & Errata
8V97051 Datasheet Datasheet PDF 981 KB Sep 22, 2016
User Guides & Manuals
8V9705x Loop Bandwidth Calculator Guide XLSX 18 KB May 18, 2015
Timing Commander Installation Guide Guide PDF 497 KB Oct 7, 2013
Apps Notes & White Papers
Integer Boundary Spurs in Fractional-Feedback Phase-Locked Loops (PLLs) White Paper PDF 537 KB Jul 28, 2016
PCN# : A1511-01(R1) Add SPEL India as Alternate Assembly Location Product Change Notice PDF 596 KB Jan 28, 2016
PCN# : W1512-01 Wafer Size change from 200mm to 300mm at Global Foundries Product Change Notice PDF 188 KB Jan 3, 2016
PCN# : A1511-01 Add SPEL India as Alternate Assembly Location Product Change Notice PDF 544 KB Nov 13, 2015
IDT Products for Radio Applications 日本語 Product Brief PDF 4.65 MB Aug 12, 2015
8V97051 Low-Power Wideband RF Synthesizer / PLL Product Brief 日本語 Product Brief PDF 867 KB May 20, 2015

Software & Tools

Title Type Format File Size Datesort icon
8V97051 IBIS Model Model - IBIS TXT 1.45 MB May 19, 2015
8V97051 Timing Commander Personality Software TCP 1.33 MB Feb 25, 2016
Timing Commander Installer v1.8.3.1 Software ZIP 17.97 MB Nov 1, 2016

Related Videos

  • 2015-05-21 IDT 8V97051 Wideband RF Synthesizer/PLL

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