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LMX2624-SP
  • LMX2624-SP

LMX2624-SP

PREVIEW

5MHz to 28GHz space-grade wideband synthesizer with phase synchronization and JESD204B support

Texas Instruments LMX2624-SP Product Info

1 April 2026 0

Parameters

Frequency (max) (MHz)

28000

Frequency (min) (MHz)

5

Normalized PLL phase noise (dBc/Hz)

-236

1/f noise (10-kHz offset at 1-GHz carrier) (dBc/Hz)

-129

Features

Phase synchronization, Programmable output power, SYSREF support (Compliant to JESD204B standard), Space grade

Current consumption (mA)

360

Integrated VCO

Yes

Operating temperature range (°C)

25 to 25

Rating

Space

Lock time (µs) (typ) (s)

Loop BW dependent

Package

HTQFP (PAP)-64-144 mm² 12 x 12

Features

  • SMD 5962R2321001PXE
    • Total ionizing dose 100Krad (ELDRS-free)
    • Single event latch-up (SEL) immune up to 75MeV-cm2/mg
    • Single event functional interrupt (SEFI) immune up to 75MeV-cm2/mg
  • Wide band frequency synthesizer : 5MHz to 28GHz output frequency
  • –101dBc/Hz phase noise at 100kHz offset with 24GHz carrier
  • 60fs RMS jitter at 24GHz (1kHz to 300MHz)
  • Programmable output power
  • PLL key specifications:
    • Figure of merit: –236dBc/Hz
    • Normalized 1/f noise: –129dBc/Hz
    • Up to 200MHz phase detector frequency
  • Synchronization of output phase across multiple devices
  • Independent mute pins for RFoutA and RFoutB with 200ns mute/unmute time
  • Support for SYSREF with 9ps resolution programmable delay
  • 3.3V single power supply operation
  • Pin-mode: Pin configurable N divider and output divider in Integer PLL mode
  • 10 × 10mm² 64 lead QFP package
  • Operating temperature range: –55°C to +125°C
  • Supported by PLLatinum™ Simulator design tool
  • SMD 5962R2321001PXE
    • Total ionizing dose 100Krad (ELDRS-free)
    • Single event latch-up (SEL) immune up to 75MeV-cm2/mg
    • Single event functional interrupt (SEFI) immune up to 75MeV-cm2/mg
  • Wide band frequency synthesizer : 5MHz to 28GHz output frequency
  • –101dBc/Hz phase noise at 100kHz offset with 24GHz carrier
  • 60fs RMS jitter at 24GHz (1kHz to 300MHz)
  • Programmable output power
  • PLL key specifications:
    • Figure of merit: –236dBc/Hz
    • Normalized 1/f noise: –129dBc/Hz
    • Up to 200MHz phase detector frequency
  • Synchronization of output phase across multiple devices
  • Independent mute pins for RFoutA and RFoutB with 200ns mute/unmute time
  • Support for SYSREF with 9ps resolution programmable delay
  • 3.3V single power supply operation
  • Pin-mode: Pin configurable N divider and output divider in Integer PLL mode
  • 10 × 10mm² 64 lead QFP package
  • Operating temperature range: –55°C to +125°C
  • Supported by PLLatinum™ Simulator design tool

Description

The LMX2624-SP is a high performance wideband phase-locked loop (PLL) with integrated voltage controlled oscillator (VCO) and voltage regulators that can output any frequency from 5MHz and 28GHz. The VCO on this device covers an entire octave so the frequency coverage is complete down to 5MHz. The high performance PLL with a figure of merit of –236dBc/Hz and high phase detector frequency can attain very low in-band noise and integrated jitter.

The LMX2624-SP allows users to synchronize the output of multiple instances of the device. This means that deterministic phase can be obtained from a device in use cases including the one with fractional engine or output divider enabled. The device also adds support for either generating or repeating SYSREF (compliant to JESD204B/C standard), making the device designed for low-noise clock source for high-speed data converters.

This device is fabricated in Texas Instruments’ advanced BiCMOS process and is available in a 64-lead QFP plastic package.

The LMX2624-SP is a high performance wideband phase-locked loop (PLL) with integrated voltage controlled oscillator (VCO) and voltage regulators that can output any frequency from 5MHz and 28GHz. The VCO on this device covers an entire octave so the frequency coverage is complete down to 5MHz. The high performance PLL with a figure of merit of –236dBc/Hz and high phase detector frequency can attain very low in-band noise and integrated jitter.

The LMX2624-SP allows users to synchronize the output of multiple instances of the device. This means that deterministic phase can be obtained from a device in use cases including the one with fractional engine or output divider enabled. The device also adds support for either generating or repeating SYSREF (compliant to JESD204B/C standard), making the device designed for low-noise clock source for high-speed data converters.

This device is fabricated in Texas Instruments’ advanced BiCMOS process and is available in a 64-lead QFP plastic package.

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