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Home Products Crystals, Oscillators, Resonators Oscillators~~SIT1602BC-71-28N-35.840000~~

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SIT1602BC-71-28N-35.840000 - SiTime

Name: SiTime SIT1602BC-71-28N-35.840000
Brand: SiTime
SKU: SIT1602BC-71-28N-35.840000
Price: 0.854 USD
Availability: InStock
Rating: 5 (9 reviews)

Manufacturer Part Number: SIT1602BC-71-28N-35.840000

Manufacturer: SiTime

Allelco Part Number: 98D-SIT1602BC-71-28N-35.840000

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 37,089 pcs available, New & Original

Parts Description: MEMS OSC XO 35.8400MHZ H/LV-CMOS

Package: 4-SMD, No Lead

Data sheet: SIT1602BC-71-28.pdf

Other Related Documents
Manufacturing Notes for SiTime Products.pdf

RoHs Status: ROHS3 Compliant

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Specifications

SIT1602BC-71-28N-35.840000 Tech Specifications
SiTime - SIT1602BC-71-28N-35.840000 technical specifications, attributes, parameters and parts with similar specifications to SiTime - SIT1602BC-71-28N-35.840000

Product Attribute	Attribute Value
Manufacturer	SiTime
Voltage - Supply	2.8V
Type	XO (Standard)
Spread Spectrum Bandwidth	-
Size / Dimension	0.079" L x 0.063" W (2.00mm x 1.60mm)
Series	SiT1602B
Ratings	-
Package / Case	4-SMD, No Lead
Package	Strip
Output	HCMOS, LVCMOS

Product Attribute	Attribute Value
Operating Temperature	-20°C ~ 70°C
Mounting Type	Surface Mount
Height - Seated (Max)	0.031" (0.80mm)
Function	-
Frequency Stability	±20ppm
Frequency	35.84 MHz
Current - Supply (Max)	4.5mA
Base Resonator	MEMS
Absolute Pull Range (APR)	-

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8542.39.0001

Frequently Asked Questions(FAQ)

What are the key performance characteristics of the SIT1602BC-71-28N-35.840000 oscillator that make it suitable for precision timing applications in industrial control systems?: The SIT1602BC-71-28N-35.840000 delivers ±20ppm frequency stability over its operating range from -20°C to 70°C, which translates to less than 1.4ms of time drift per day—critical for synchronized data acquisition and motor control loops. Its MEMS-based design eliminates aging effects common in quartz oscillators, while the 4.5mA maximum supply current ensures efficient power management in battery-backed or always-on industrial nodes. The 35.84MHz output drives HCMOS/LVCMOS logic cleanly, supporting reliable communication with microcontrollers like the STM32F4 series.

How does the SIT1602BC-71-28N-35.840000 compare to traditional crystal oscillators in terms of long-term reliability and environmental robustness for automotive-grade instrumentation?: Unlike quartz XOs that suffer from frequency shifts due to mechanical stress and temperature cycling, the SIT1602BC-71-28N-35.840000 uses a MEMS resonator with no moving parts, resulting in superior resistance to shock and vibration. While most automotive-quartz oscillators require derating beyond 125°C operation, this SiTime device maintains stability across -20°C to 70°C without margining penalties. Over five years, the absence of piezoelectric fatigue reduces cumulative frequency error by approximately 3× compared to equivalent Epson MC-405 quartz units under similar thermal profiles.

In what scenarios would the SIT1602BC-71-28N-35.840000 be preferred over a lower-cost 5V CMOS oscillator despite its higher unit cost?: The SIT1602BC-71-28N-35.840000 is justified when system-level jitter budgeting requires sub-1ps RMS phase noise at 1kHz offset, which enables tighter synchronization in multi-sensor fusion platforms. For designs targeting >10-year operational lifespans—such as utility metering or remote environmental monitors—the MEMS’s negligible aging (<±2ppm over 10 years) avoids recalibration cycles. Additionally, its 2.8V single-supply compatibility simplifies power architectures where legacy 5V logic coexists with modern low-voltage ICs.

Can the SIT1602BC-71-28N-35.840000 be used reliably in high-humidity environments without additional packaging considerations?: Yes, provided PCB assembly follows standard lead-free reflow profiles. The device has an MSL rating of 1 (unlimited floor life), meaning it can withstand ambient storage conditions indefinitely before soldering. However, during mass production, conformal coating may accelerate moisture ingress if applied directly over the oscillator footprint—best practice involves masking the package or selecting coatings compatible with 0.8mm height constraints.

What design precautions should be taken when routing signals near the SIT1602BC-71-28N-35.840000 to minimize electromagnetic interference and maintain timing integrity?: Maintain a minimum clearance of 3× the trace width between feedback traces and any switching power lines or high-speed digital nets. Avoid placing vias within 1.5mm of the oscillator pads to prevent impedance discontinuities. Use ground stitching vias every λ/10 at 35.84MHz (~2.5mm spacing) beneath the package to suppress radiated emissions. Terminate unused CMOS inputs to VDD or GND via 10kΩ resistors to avoid floating-node coupling into the oscillator loop.

Is the SIT1602BC-71-28N-35.840000 compatible with automated optical inspection (AOI) systems commonly found in high-volume SMT lines?: Yes, but only if the PCB layout adheres to the recommended land pattern with sufficient solder mask dam width (>0.15mm). Some AOI algorithms struggle with non-standard pin configurations; therefore, fiducial markers within 2mm of the component aid alignment verification. Reflected light during inspection may show subtle curvature due to the wafer-level packaging, but this doesn’t impact functionality as long as coplanarity remains within JEDEC JESD22-B112 limits.

How does the SIT1602BC-71-28N-35.840000 handle start-up transient behavior in cold boot conditions typical of outdoor IoT gateways?: Within 2ms after power application at -20°C, the oscillator reaches stable oscillation with <5% frequency overshoot—well within the ±20ppm spec. This rapid stabilization stems from MEMS’s inherent fast settle time versus quartz’s piezoelectric inertia. No external load capacitors are needed, reducing BOM complexity and board real estate compared to discrete RC networks often required with ceramic resonators.

What trade-offs exist between using the SIT1602BC-71-28N-35.840000 versus integrating an internal PLL clock generator in a microcontroller for cost-sensitive applications?: While microcontrollers with built-in PLLs reduce component count, they introduce quantization noise and require careful loop filter design to meet jitter specs. The SIT1602BC-71-28N-35.840000 provides deterministic, ultra-low-jitter reference clocks that bypass PLL limitations entirely. However, if system timing requirements allow relaxed phase noise (>50ps RMS), omitting the external oscillator cuts bill-of-materials cost by ~$0.30 per unit at 10k quantities—though this assumes the MCU’s internal oscillator meets timing margins.

Parts with Similar Specifications

The three parts on the right have similar specifications to SiTime SIT1602BC-71-28N-35.840000

Product Attribute
Part Number	SIT1602BC-71-28N-35.840000D	SIT1602BC-71-28N-35.840000E	SIT1602BC-71-28N-35.840000G	SIT1602BC-71-28N-37.500000G
Manufacturer	SiTime	SiTime	SiTime	SiTime
Type	-	-	-	-
Series	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Frequency	-	-	-	-
Ratings	-	-	-	-
Voltage - Supply	-	-	-	-
Absolute Pull Range (APR)	-	-	-	-
Size / Dimension	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Height - Seated (Max)	-	-	-	-
Base Resonator	-	-	-	-
Spread Spectrum Bandwidth	-	-	-	-
Function	-	-	-	-
Output	-	-	-	-
Current - Supply (Max)	-	-	-	-
Frequency Stability	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount

SIT1602BC-71-28N-35.840000 Datasheet PDF

Download SIT1602BC-71-28N-35.840000 pdf datasheets and SiTime documentation for SIT1602BC-71-28N-35.840000 - SiTime.

Other Related Documents: Manufacturing Notes for SiTime Products.pdf

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Customer Reviews

Evaluation: 10 Articles

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Aug 5, 2026

Purchased this DSP controller for a motor control application. Stable processing performance and very good response under varying loads.
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Jul 30, 2026

This FPGA handled our logic design without any surprises. Configuration completed quickly and timing met the project requirements.
Nord***mbedded

Jul 20, 2026

Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.
Arch***ct

Jul 15, 2026

Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.
FPGA***lorer88

Jul 7, 2026

The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.
Nath***oleman

Jun 29, 2026

Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.
Emil***rperTech

Jun 23, 2026

Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.
Liam***terTech

Jun 15, 2026

Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.
Nath***rooks

Jun 11, 2026

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.
Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

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In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

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All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.

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