Produktdetails

Output frequency (MHz) 1000 Output type HCSL, LVDS, LVPECL Stability (ppm) 25 Supply voltage (V) 3.3 Jitter (ps) 0.15 Operating temperature range (°C) -40 to 85
Output frequency (MHz) 1000 Output type HCSL, LVDS, LVPECL Stability (ppm) 25 Supply voltage (V) 3.3 Jitter (ps) 0.15 Operating temperature range (°C) -40 to 85
QFM (SIA) 6 35 mm² 7 x 5
  • Ultra-Low Noise, High Performance
    • Jitter: 90-fs RMS Typical f OUT > 100 MHz on LMK61E07
    • PSRR: –70 dBc, Robust Supply Noise Immunity on LMK61E07
  • Flexible Output Format on LMK61E07
    • LVPECL up to 1 GHz
    • LVDS up to 900 MHz
    • HCSL up to 400 MHz
  • Total Frequency Tolerance of ±25 ppm
  • System Level Features
    • Glitch-Less Frequency Margining: Up to ±1000 ppm From Nominal
    • Internal EEPROM: User Configurable Start-Up Settings
  • Other Features
    • Device Control: Fast Mode I 2C up to 1000 kHz
    • 3.3-V Operating Voltage
    • Industrial Temperature Range (–40°C to +85°C)
    • 7-mm × 5-mm 6-Pin Package
  • Default Frequency:
    • 70.656 MHz
  • Ultra-Low Noise, High Performance
    • Jitter: 90-fs RMS Typical f OUT > 100 MHz on LMK61E07
    • PSRR: –70 dBc, Robust Supply Noise Immunity on LMK61E07
  • Flexible Output Format on LMK61E07
    • LVPECL up to 1 GHz
    • LVDS up to 900 MHz
    • HCSL up to 400 MHz
  • Total Frequency Tolerance of ±25 ppm
  • System Level Features
    • Glitch-Less Frequency Margining: Up to ±1000 ppm From Nominal
    • Internal EEPROM: User Configurable Start-Up Settings
  • Other Features
    • Device Control: Fast Mode I 2C up to 1000 kHz
    • 3.3-V Operating Voltage
    • Industrial Temperature Range (–40°C to +85°C)
    • 7-mm × 5-mm 6-Pin Package
  • Default Frequency:
    • 70.656 MHz

The LMK61E07 family of ultra-low jitter PLLatinum™ programmable oscillators uses fractional-N frequency synthesizers with integrated VCOs to generate commonly used reference clocks. The output on LMK61E07 can be configured as LVPECL, LVDS, or HCSL. The device features self-start-up from on-chip EEPROM to generate a factory-programmed default output frequency, or the device registers and EEPROM settings are fully programmable in-system through an I 2C serial interface. The device provides fine and coarse frequency margining control through an I 2C serial interface, making it a digitally-controlled oscillator (DCXO).

The PLL feedback divider can be updated to adjust the output frequency without spikes or glitches in steps of <1ppb using a PFD of 12.5 MHz (R divider=4, doubler disabled) for compatibility with xDSL requirements, or in steps of <5.2 ppb using a PFD of 100 MHz (R divider=1, doubler enabled) for compatibility with broadcast video requirements. The frequency margining features also facilitate system design verification tests (DVT), such as standards compliance and system timing margin testing.

The LMK61E07 family of ultra-low jitter PLLatinum™ programmable oscillators uses fractional-N frequency synthesizers with integrated VCOs to generate commonly used reference clocks. The output on LMK61E07 can be configured as LVPECL, LVDS, or HCSL. The device features self-start-up from on-chip EEPROM to generate a factory-programmed default output frequency, or the device registers and EEPROM settings are fully programmable in-system through an I 2C serial interface. The device provides fine and coarse frequency margining control through an I 2C serial interface, making it a digitally-controlled oscillator (DCXO).

The PLL feedback divider can be updated to adjust the output frequency without spikes or glitches in steps of <1ppb using a PFD of 12.5 MHz (R divider=4, doubler disabled) for compatibility with xDSL requirements, or in steps of <5.2 ppb using a PFD of 100 MHz (R divider=1, doubler enabled) for compatibility with broadcast video requirements. The frequency margining features also facilitate system design verification tests (DVT), such as standards compliance and system timing margin testing.

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Typ Titel Datum
* Data sheet LMK61E07 Ultra-Low Jitter Programmable Oscillator With Internal EEPROM datasheet (Rev. B) PDF | HTML 14 Aug 2023
EVM User's guide LMK61FFEVM User's Guide (Rev. A) 20 Nov 2015

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