Oscillator & Pulse Generator IC, Ultra Low Jitter, 1.05 GHz, 3.135 V to 3.465 V, QFM-8

LMK61E2-SIAT - Oscillator & Pulse Generator IC, Ultra Low Jitter, 1.05 GHz, 3.135 V to 3.465 V, QFM-8

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PLLatinum oscillator
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Product Overview

The LMK61E2-SIAT is an ultra low programmable oscillator with internal EEPROM in 8 pin QFM package. The LMK61E2-SIAT is an ultra low jitter platinum programmable oscillator with a fractional-N frequency synthesizer with integrated VCO that generates commonly used reference clocks. The outputs can be configured as LVPECL or LVDS or HCSL. It features self start-up from on-chip EEPROM that is factory programmed to generate 156.25MHz LVPECL output. The device registers and EEPROM settings are fully programmable in-system via I2C serial interface. Internal power conditioning provide excellent power supply ripple rejection (PSRR), reducing the cost and complexity of the power delivery network. The device operates from a single 3.3V ±5% supply. It provides fine and coarse frequency margining options via I2C serial interface to support system design verification tests (DVT) such as standard compliance and system timing margin testing.
  • 90fs RMS jitter at Fout < 100MHz
  • PSRR is -70dBc and robust supply noise immunity
  • Total frequency tolerance of ±50ppm
  • Industrial temperature range from -40°C to +85°C
  • ESD protection of ±2KV human body model (HBM) and ±500V charged device model (CDM)
  • User selectable LVPECL up to 1GHz, LVDS up to 900MHz & HCSL up to 400MHz flexible output format


Clock & Timing, Test & Measurement, Communications & Networking


This device has limited built-in ESD protection. The leads should be shorted together or place the device in conductive foam during storage or handling to prevent electrostatic damage to MOS gates.

Product Information

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PLLatinum oscillator
MSL 3 - 168 hours
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