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Home > Products > Crystals, Oscillators, Resonators > Oscillators > SIT3372AI-2B3-28NX51.200000
SiTime
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SIT3372AI-2B3-28NX51.200000

In Stock 5502 pcs Reference Price(In US Dollars)
1+
$8.126
10+
$7.6156
50+
$7.3618
100+
$7.1079
500+
$6.854
1000+
$6.3463
Manufacturer Part Number:
SIT3372AI-2B3-28NX51.200000
Manufacturer / Brand
SiTime
Part of Description:
MEMS OSC VCXO 51.2000MHZ LVDS
Datasheets:
SIT3372AI-2B3-28NX51.200000(1).pdfSIT3372AI-2B3-28NX51.200000(2).pdfSIT3372AI-2B3-28NX51.200000(3).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 5502 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number SIT3372AI-2B3-28NX51.200000
Manufacturer / Brand SiTime
Stock Quantity 5502 pcs Stock
Category Crystals, Oscillators, Resonators > Oscillators
Description MEMS OSC VCXO 51.2000MHZ LVDS
Lead Free Status / RoHS Status: ROHS3 Compliant
Voltage - Supply 2.8V
Type VCXO
Spread Spectrum Bandwidth -
Size / Dimension 0.126" L x 0.098" W (3.20mm x 2.50mm)
Series SiT3372, Elite Platform™
Package / Case 6-SMD, No Lead
Package Strip
Output LVDS
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Height - Seated (Max) 0.035" (0.90mm)
Function -
Frequency Stability ±50ppm
Frequency 51.2 MHz
Current - Supply (Max) 84mA
Current - Supply (Disable) (Max) -
Base Resonator MEMS
Absolute Pull Range (APR) ±345ppm

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



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Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

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Frequently Asked Questions

Can SIT3372AI-2B3-28NX51.200000 be used as a drop-in replacement for a 51.2 MHz crystal oscillator on an LVDS clock input?
SIT3372AI-2B3-28NX51.200000 can replace a crystal oscillator when the target clock input accepts a 51.2 MHz LVDS signal and the board can provide the required 2.8 V supply. The LVDS output level, startup behavior, and drive characteristics should be checked against the receiving device’s clock requirements, since a crystal oscillator footprint often needs different routing and termination than a MEMS VCXO such as SIT3372AI-2B3-28NX51.200000.
What should I verify before using SIT3372AI-2B3-28NX51.200000 in a design that needs frequency trimming or synchronization?
SIT3372AI-2B3-28NX51.200000 provides VCXO behavior with an absolute pull range of about ±345 ppm, so it suits systems that need controlled frequency adjustment within that window. Designers should confirm that the control voltage range, loop dynamics, and capture range of the PLL or synchronization circuit stay within the tuning authority of SIT3372AI-2B3-28NX51.200000, otherwise the clock may not lock or may lose margin during temperature or supply variation.
Is SIT3372AI-2B3-28NX51.200000 suitable for FPGA reference clock designs using LVDS?
SIT3372AI-2B3-28NX51.200000 can be used as an FPGA reference clock if the FPGA input bank supports LVDS at 2.8 V-compatible levels and the board layout preserves the signal integrity of the differential pair. It is also necessary to confirm that the FPGA can tolerate the oscillator’s frequency stability of ±50 ppm and that any jitter or phase noise expectations are compatible with the overall system clock budget.
What layout details matter when placing SIT3372AI-2B3-28NX51.200000 on a high-speed clock board?
SIT3372AI-2B3-28NX51.200000 should be placed with short, symmetric differential routing and controlled impedance to the receiver to avoid added skew and reflections. Because the device is a 6-SMD, no-lead package, land pattern accuracy, return path continuity, and local decoupling near the 2.8 V supply are practical factors that influence clock quality and start-up margin.
Can SIT3372AI-2B3-28NX51.200000 be used in industrial temperature environments?
SIT3372AI-2B3-28NX51.200000 is specified for -40°C to 85°C operation, which covers many industrial applications. For long-term deployment, the design should still account for the effect of temperature cycling on the downstream PLL or SERDES lock range, because the oscillator’s stability and pull range only describe the source behavior and not the full system tolerance.
What are the main trade-offs if I replace a TCXO or crystal oscillator with SIT3372AI-2B3-28NX51.200000?
Replacing a TCXO or crystal oscillator with SIT3372AI-2B3-28NX51.200000 changes both the signaling format and the tuning behavior. The LVDS output may improve noise immunity on longer traces, while the VCXO function can help with synchronization, but the design must provide compatible power, differential routing, and a control scheme that makes use of the ±345 ppm pull range of SIT3372AI-2B3-28NX51.200000.
How much supply current margin should I budget for SIT3372AI-2B3-28NX51.200000?
SIT3372AI-2B3-28NX51.200000 has a maximum supply current of 84 mA, so the power rail and local decoupling should be sized with transient and steady-state margin above that level. In practice, the rail should also remain stable during board bring-up and under load transients from nearby digital logic, since supply noise can couple into clock performance and tuning behavior.
What part-number alternatives should I compare against SIT3372AI-2B3-28NX51.200000 when sourcing risks arise?
When evaluating alternatives to SIT3372AI-2B3-28NX51.200000, compare parts with the same 51.2 MHz frequency, LVDS output, VCXO function, and similar supply voltage and pull range. Parts that differ in package size, output standard, or tuning range may require schematic, footprint, or loop-filter changes, so direct substitutions should be checked against the receiver’s input requirements and the system’s locking margin.
Is SIT3372AI-2B3-28NX51.200000 appropriate for low-power portable equipment?
SIT3372AI-2B3-28NX51.200000 can be used in portable equipment only if the power budget can accommodate its operating current and the system benefits from an LVDS VCXO rather than a lower-power clock source. For battery-driven products, designers often compare the clock performance benefit against the 84 mA maximum supply current and the need for a 2.8 V rail.
What environmental and handling factors support long production use of SIT3372AI-2B3-28NX51.200000?
SIT3372AI-2B3-28NX51.200000 is RoHS3 compliant and has MSL 1, which simplifies storage and assembly handling in production environments. For long-term use, it is still sensible to validate solder joint reliability, vibration exposure, and system-level timing drift across temperature, especially when the oscillator is used as a reference in communication or control equipment.
Can SIT3372AI-2B3-28NX51.200000 be used in a design that expects single-ended clock input?
SIT3372AI-2B3-28NX51.200000 outputs LVDS, so a single-ended clock input is not a direct match. If the receiver only accepts single-ended clocks, the design would need a proper conversion stage or a different oscillator output format; otherwise the interface may not meet amplitude, common-mode, or termination requirements.
What should I check if SIT3372AI-2B3-28NX51.200000 does not lock or trim as expected in the final system?
If SIT3372AI-2B3-28NX51.200000 does not behave as expected, the first checks are the control-voltage range, the supply rail quality, the differential termination, and the compatibility of the receiver or PLL with LVDS at 51.2 MHz. A mismatch in any of those areas can make the oscillator appear unstable even when SIT3372AI-2B3-28NX51.200000 itself is operating within specification.

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MEMS OSC VCXO 51.2000MHZ LVDS

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