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VCXOs, Crystal Oscillator Devices

Si599 Voltage-Controlled Crystal Oscillator (VCXO)

The Silicon Labs family of voltage-controlled oscillators (VCXOs) offers the industry’s shortest lead times, highest reliability and unmatched performance, making them ideal for applications such as networking equipment, base stations, storage area networks and broadcast video systems. Leveraging patented DSPLL® technology, the multi-rate voltage-controlled crystal oscillators support any combination of two or four frequencies, while the Any-Frequency I²C voltage-controlled programmable oscillators offer a tuning resolution better than 80 parts per trillion.

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Product Matrix Highlights

Device	Frequency Type	Frequency Range	Footprint
Si515	Single	0.1 – 250MHz	5x7 mm, 3.2x5 mm
Si595	Single	10 – 810MHz	5x7 mm
Si550	Single	10 – 1400MHz	5x7 mm
Si516	Dual	0.1 – 250MHz	5x7 mm, 3.2x5 mm
Si552	Dual	10 – 1400MHz	5x7 mm
Si597	Quad	10 – 810MHz	5x7 mm
Si554	Quad	10 – 1400MHz	5x7 mm
Si599	Any	10 – 810MHz	5x7 mm
Si571	Any	10 – 1400MHz	5x7 mm

See all product matrix details

Features

Wide frequency range: 100 kHz to 1.4 GHz
Superior jitter performance: <0.3 ps rms
Superior initial accuracy
Best-in-class control voltage linearity
Dual, quad and any-rate frequency configurations available
Available with LVPECL, LVDS, CML, HCSL or LVCMOS outputs
Operates with 1.8, 2.5, or 3.3 V supplies
Industry-standard, RoHS-compliant 5 mm x 7 mm and 3.2 mm x 5 mm package and pinouts
Output enable active high/active low polarity versions available

Applications

SONET/SDH/TDM
xDSL
GbE Ethernet
10/40/100 GbE LAN/WAN
Broadcast Video
Wireless communication and base stations
Storage area networks and servers
Test and measurement equipment
Industrial electronics
FPGA/ASIC/data converter reference clocking
Optical modules
Backplanes

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Data Sheet (9)

Document Name	Description	Version	Last Updated
Si515.pdf	Si515 Data Sheet	0.9	3/9/2011
Si516.pdf	Si516 Data Sheet	0.9	3/9/2011
Si550.pdf	Si550 Data Sheet	1.0	1/6/2012
Si552.pdf	Si552 Data Sheet	1.0	1/6/2012
Si554.pdf	Si554 Data Sheet	1.0
si570.pdf	Si570/Si571 Data Sheet	1.3	6/9/2011
Si595.pdf	Si595 Data Sheet	1.0	11/4/2011
Si597.pdf	Si597 Data Sheet	1.0	12/15/2011
si598-99.pdf	Si598-99 Data Sheet	1.0	11/10/2011

User Guides (4)

Document Name	Description	Version	Last Updated
si57xevb.pdf	Si57x-EVB User Guide	0.2	5/19/2010
si5xx5x7evb.pdf	si5xx5x7-EVB User Guide	0.3	8/3/2009
Si5xx-EVB.pdf	Si5xx-EVB Users Guide	0.1	3/4/2011
Si5xx-PROG-EVB.pdf	Si5xx-PROG-EVB User's Guide	0.2	4/19/2011

Application Notes (12)

Document Name	Description	Version	Last Updated
AN255.pdf	AN255: Replacing 622 MHz VCSO Devices with the Si55x VCXO	0.2	2/23/2009
AN256.pdf	AN256: Integrated Phase Noise	0.4	12/9/2011
AN266.pdf	AN266: VCXO Tuning Slope (Kv), Stability, and Absolute Pull Range (APR)	0.2	10/24/2010
AN270.pdf	AN270: Using the Si554 Quad-Frequency VCXO with SDTV and HDTV Serial Communication	0.1
AN279.pdf	AN279: Estimating Period Jitter from Phase Noise	0.1
AN291.pdf	AN291: Output Buffer Options for Si5xx XO/VCXO Devices	0.3	8/25/2009
AN334.pdf	AN334: Si57x/598/599 ANSI C Reference Design with Optional Non-Volatile Output Frequency	0.4	5/19/2010
AN377.pdf	AN377: Timing and Synchronization in Broadcast Video	0.1	9/9/2009
AN491.pdf	AN491: Power Supply Rejection for Low Jitter Clocks	0.1	4/2/2010
an56.pdf	AN56: Calculating Total Output Jitter for PLLs	0.3	5/4/2012
AN581.pdf	AN581: Meeting SerDes Jitter Requirements Simplified with Silicon Labs Clocks and Oscillators	0.1	9/2/2011
AN587.pdf	AN587: Termination Options for Any-Frequency Si51x XOs, VCXOs	0.2	6/29/2011

White Papers (2)

Document Name	Description	Version	Last Updated
Enhancing-Power-Supply-Rejection_WP.pdf	Enhancing Power Supply Rejection Ratio for Low-Jitter Clocks	0.1	3/11/2011
Timing-ICs-Keep-Beat-with-Needs-of-Todays-Embedded-Market.pdf	Timing ICs Keep Beat with Needs of Today’s Embedded Market	1.0	11/21/2011

Miscellaneous (5)

Document Name	Description	Version	Last Updated
Silicon-Labs-Timing-Cross-Reference.pdf	Silicon Labs Timing Cross-Reference to Xilinx, Altera and Lattice FPGA Devices	3.0	5/3/2012
timing-solutions-for-cavium-processors.pdf	Silicon Labs' Timing Solutions for Cavium Processors	1.2	7/15/2011
timing-solutions-for-freescale-processors.pdf	Silicon Labs' Timing Solutions for Freescale Processors	1.0	2/10/2012
Timing-Solutions-for-Altera.pdf	Timing Solutions for Altera	0.3	12/7/2011
timing-solutions-for-plx-technology.pdf	Timing Solutions for PLX Technology	1.0	11/8/2011

PCN (6)

Document Name	Description	Version	Last Updated
1106091 Si57x Datasheet version 1.3 std.pdf	1106091 Si57x Datasheet version 1.3 std
1101271.pdf	Si520, 53x, 55x, 57x, Crystal Mount Adhesive Change and Die Bond Adhesive Capacity Expansion Std
0912242-Si53x_55x_57x_ XO_VCXO_ Assy_Site_Expansion.pdf	Si53x/55x/57x XO/VCXOs Second Source Assembly Site
1005192.pdf	Si570, 71 Datasheet rev 1.2 Std
1103111.pdf	Si59x Crystal Blank Mount Adhesive Change Std
1002102-Si5XX_Packing_Shipping_Improvements_Std.pdf	Si5XX Packing Shipping Improvements Std

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Software (5)

Document Name	Description	Version	Updated
AN334 Software.zip	AN334 Si57x I2C XO/VCXO ANSI C Reference Design
Programmable Oscillator Software Comparison.pdf	Programmable Oscillator Software Comparison		6/27/2011
release_notes_prog_osc.txt			6/27/2011
ProgOscillatorSwInstall.zip	Si514/70/71/98/99 Programmable Oscillator Software	3.0.1	6/22/2011
ProgOscillatorSwInstall2.0.zip	Si570/71/98/99 Programmable Oscillator Software	2.0	5/17/2010

Models (10)

Document Name	Description	Version	Updated
si515_se_cmos.ibs	Si515 CMOS IBIS Model	3.2	8/25/2011
si515_diff.ibs	Si515 Differential IBIS Model	3.2	8/25/2011
si516_se_cmos.ibs	Si516 CMOS IBIS Model	3.2	8/25/2011
si516_diff.ibs	Si516 IBIS Model	3.2	8/25/2011
si550_3v3_cmos.ibs	Si550 IBIS Model 3v3 CMOS	1.0
si550_3v3_lvds.ibs	Si550 IBIS Model_lvds	1.0
si550_3v3_lvpecl.ibs	Si550 IBIS Model_lvpecl	1.0
si571_3v3_lvds.ibs	Si571 IBIS Model_lvds	1.0
si571_2v5_lvpecl.ibs	Si571 IBIS Model_lvpecl	1.0
si571_3v3_lvpecl.ibs	Si571 IBIS Model_lvpecl	1.0

Training (1)

Document Name	Description	Version	Updated
Si530-Si550WhitePaper.pdf	Si530-Si550 White Paper

Product Matrix

Part Number	Available Documents	Control	Package	Control Voltage Linearity	Phase Jitter (RMS)	Output Format(s)	Supply Voltage	Temperature Range	Frequency	Oscillator Type	Frequency Range	Stability (+/- ppm)	VCXO APR (+/- ppm)	IDD (typ)	OE (active high)
Si515	Data Sheet	Pin	5x7 mm, 3.2x5 mm	1%	0.9 ps	LVPECL, LVDS, HCSL, CMOS, dual CMOS	2.5 V, 3.3 V	-40 to 85 °C	Single	VCXO	0.1 - 250 MHz	20	100	17 mA	Pin 2
Si516	Data Sheet	Pin	5x7 mm, 3.2x5 mm	1%	0.9 ps	LVPECL, LVDS, HCSL, CMOS, dual CMOS	2.5 V, 3.3 V	-40 to 85 °C	Dual	VCXO	0.1 - 250 MHz	20	100	17 mA	—
Si550	Data Sheet	Pin	5x7 mm	1%	0.5 ps	LVPECL, LVDS, CML, CMOS	1.8 V, 2.5 V, 3.3 V	-40 to 85 °C	Single	VCXO	10 MHz - 1.4 GHz	20, 50, 100	12 - 375	90 mA	Pin 2
Si552	Data Sheet	Pin	5x7 mm	1%	0.5 ps	LVPECL, LVDS, CML, CMOS	1.8 V, 2.5 V, 3.3 V	-40 to 85 °C	Dual	VCXO	10 MHz - 1.4 GHz	20, 50, 100	12 - 375	90 mA	—
Si554	Data Sheet	Pin	5x7 mm	1%	0.5 ps	LVPECL, LVDS, CML, CMOS	1.8 V, 2.5 V, 3.3 V	-40 to 85 °C	Quad	VCXO	10 MHz - 1.4 GHz	20, 50, 100	12 - 375	90 mA	Pin 2
Si571	Data Sheet	I2C	5x7 mm	1%	0.5 ps	LVPECL, LVDS, CML, CMOS	1.8 V, 2.5 V, 3.3 V	-40 to 85 °C	Any	VCXO	10 MHz - 1.4 GHz	20, 50, 100	12 - 375	90 mA	Pin 2
Si595	Data Sheet	Pin	5x7 mm	1%	0.7 ps	LVPECL, LVDS, CML, CMOS	1.8 V, 2.5 V, 3.3 V	-40 to 85 °C	Single	VCXO	10 - 525 MHz	20, 50	15 - 370	90 mA	Pin 2
Si597	Data Sheet	Pin	5x7 mm	1%	0.7 ps	LVPECL, LVDS, CML, CMOS	1.8 V, 2.5 V, 3.3 V	-40 to 85 °C	Quad	VCXO	10 - 810 MHz	20, 50	15 - 370	90 mA	Pin 2
Si599	Data Sheet	I2C	5x7 mm	1%	0.7 ps	LVPECL, LVDS, CML, CMOS	1.8 V, 2.5 V, 3.3 V	-40 to 85 °C	Any	VCXO	10 - 525 MHz	20, 50	15 - 370	90 mA	Pin 2

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XO/VCXO Part Number Selector

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Run the XO/VCXO part number selector to order samples or production quantities of any Si5xx XO/VCXO. Samples ship in two weeks and production orders typically ship in four weeks. Click here to run the web-based XO/VCXO Part Number Selector.

Unmatched Performance

The Si5xx products support frequency ranges from 100 kHz to 1.4 GHz, provide ultra-low jitter performance (<0.3 ps rms typical OC-192) and offer new features previously unavailable in high-frequency oscillators based on SAW resonators or inverted mesa crystals. These features include dual, quad and any frequency operation as well as selectable voltage gain (kV) for VCXO devices.

Highest Reliability

Utilizing Silicon Labs’ DSPLL technology, the Si5xx products offer total frequency stability over time and temperature that is more than five times better than competing SAW devices. Compared to inverted mesa crystal oscillators, Silicon Labs offers a solution that is more mechanically robust while providing five times better aging stability.

Industry’s Shortest Lead Times

Silicon Labs changes the manufacturing model enabling the shortest and most predictable lead times for high-frequency, low-jitter oscillators. By moving the frequency control and tuning into a mixed-signal IC, complex manufacturing steps are either eliminated or simplified.

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The simple, easy-to-use ClockBuilder™ utility can be used to quickly develop custom, application-specific clock generators that support any combination of user-specified input/output frequencies.

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Specify a custom silicon or crystal oscillator and build a part number in minutes. Need to reorder? Look up a currently existing product by part number.

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Use this utility to search the selection of available clock generators and buffers, low jitter and jitter attenuating clock multipliers, synchronous ethernet, SONET/SDH clocks, crystal oscillators, and voltage-controlled crystal oscillators. Samples ship in less than two weeks!

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Enter the part number from another company into the utility to find a list of Silicon Labs' products that can replace those parts. Once you find the products you need, you can click on the part number to see more details about the Silicon Labs' device, download the data sheet and export the results to Excel.

Featured White Papers

Selecting the Optimum PCIe Clock Source

To ensure proper compliance with the PCIe standard, systems require careful attention to the timing subsystem and architecture. This article explores some of the standard clocking architectures for PCIe and considers their benefits for typical system applications, including: clock architecture selection (Common Refclk, Separate Refclk or Data Clocked Refclk), requirements in applications that use FPGAs, jitter performance of the reference clock, use of spread spectrum clocking, and more.

SyncE and IEEE 1588: Sync Distribution for a Unified Network

Since Ethernet or packet based networks operate asynchronously, many of the traditional applications that depend on synchronization are not supported. Designers increasingly need to combine services supplied by data efficient packet networks with the ones served by the large installed base of traditional SONET/SDH networks. Both Synchronous Ethernet (SyncE) and packet timing using the IEEE 1588 protocol offer viable solutions in unifying service delivery over both networks. Download this new app note from Silicon Labs to discover methods for transporting synchronization and potential synchronized timing implementations.

Prototyping with Frequency-Flexible Crystal Oscillators

Developers of new systems ideally should make decisions regarding clocking requirements early in the design process. Although clocking rates are critical parameters that should be known in advance, determining these rates sometimes requires experimentation and re-evaluation. The use of frequency-flexible, programmable crystal oscillators (XOs) as prototyping tools can facilitate the process of validating system performance and help streamline the overall product development cycle.

Clocks and Oscillators

Title ContentVCXOs, Crystal Oscillator Devices

Featured Resources

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Product Matrix Highlights

Features

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Documentation Expand All Collapse All

Data Sheet (9)

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Application Notes (12)

White Papers (2)

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Models (10)

Training (1)

Product Matrix

XO/VCXO Part Number Selector

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Unmatched Performance

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Industry’s Shortest Lead Times

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VCXOs, Crystal Oscillator Devices