Automotive Cameras

Automotive Cameras

Automotive camera modules present several design challenges. Board space is constrained. Environmental conditions include extreme temperatures, fast temperature changes, shock, vibration, and electromagnetic interference. Increasing sensor resolution means higher data rates, which requires low jitter clocking.

SiTime MEMS-based oscillators meet these challenges. They offer small size, accuracy over temperature from -55 to 150°C (even with fast temp ramp), low jitter, resilience to shock and vibration, and EMI reduction features. Our devices have higher quality and reliability, with a FIT rate that is 30x better than quartz crystal devices to help systems meet functional safety metrics targets.

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SiTime MEMS Timing Benefits

Complete MEMS clock tree

Spread spectrum oscillators

Low jitter diff. oscillators

32.768-kHz XOs and TCXOs

Precision TCXOs

Most robust in real world conditions

70 fs rms jitter, excellent PSNR

PCIe Gen 4-5 and 10 GB Ethernet

Resistant to shock and vibration

± 20 ppm over -40 to 125°C

> 1 billion hours MTBF

Integrated MEMS, easy to use

No external quartz needed

No quartz reliability issues

Reliable startup in cold temp

No cover or shielding needed

Short lead time for any freq.

Automotive Camera block diagramsitime.comDifferential XO SiT9386SSXO SiT9025Differential XO SiT938632.768 kHz XO SiT1630

MEMS Timing Solutions for Automotive Camera

Devices Function Key Features
SiT9025 Spread spectrum XO (SSXO) Processor, SoC and general-purpose clocking

Valid clock output signal

1 to 150 MHz, -55°C to +125°C

Spread spectrum up to 17 dB reduction

SiT16301 32.768 kHz XO Reference clock for RTC and safety functions

1 µA, 2.0 x 1.2 mm package

< ±100 ppm accuracy over -40 to +105°C

SiT9386 Differential XO

SiT9387 Differential XO

Ethernet, PCI-Express, SerDes / PHY clocking 1 MHz to 725 MHz, 70 to 200 fs jitter2, 105°C

1 Contact SiTime for AEC-Q100 version

2 RMS phase jitter, integrated over 12 kHz to 20 MHz

MEMS Timing Outperforms Quartz

Higher Quality

Higher Reliability

Higher Quality Automotive


Higher Reliability Automotive


Tighter Stability

Better EMI Reduction

Tighter Stability Automotive


Better EMI Reduction Automotive


Immune to Vibration

Better Noise Rejection

Immune to Vibration Automotive Better Noise Rejection Automotive
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