SiT9121

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Field Programmable | Learn More

The SiT9121 is a highly flexible, programmable differential oscillator that supports LVPECL and LVDS output signaling types. This differential oscillator covers any frequency between 1 to 220 MHz, with RMS phase jitter of 0.6 ps (typ.). Unlike quartz or SAW based traditional oscillators, the SiT9121 is available in any combination of voltage (2.5V to 3.3V), frequency stability (±10, ±20, ±25, and ±50 ppm) and package (3225, 5032, 7050) options.

Frequency: 1 to 220 MHz
Frequency Stability (ppm): ±10, ±20, ±25, ±50
Operating Temperature Range (°C): -20 to +70, -40 to +85
Oscillator Type: XO-DE
Output type: LVPECL, LVDS
Package Type (mm²): 3.2x2.5, 5.0x3.2, 7.0x5.0
Phase Jitter (RMS): 0.6 ps
Features: Field programmable
Voltage Supply (V): 2.5, 3.3, 2.25 to 3.63
Availability: Production

Applications

1Gb to 10Gb Ethernet
PCIe
FPGA
SATA/SAS
Fibre channel
System clocking
CPE & Home Gateway
Precision GNSS
GPS/GNSS Modules
Factory automation
Security & surveillance
Medical electronics
Test and measurement
Defense & aerospace
Railroads

9121

Features & Benefits

0.6 ps integrated RMS phase jitter (12 kHz to 20 MHz)

Excellent jitter margin for the most stringent applications such as SONET

Excellent frequency stability, as low as ±10 PPM

Better timing margin that enhances system stability and robustness
Extensive programmability
Frequency from 1 to 220 MHz
LVPECL and LVDS output signaling types
Supply voltage of 2.5V and 3.3V
Frequency stability from ±10 PPM to ±50 PPM
- Customized specifications for optimal system performance
- Easy availability of any device specification within the operating range