Ultra-Low Power, Ultra-Small 32.768 kHz or 16.384 kHz Oscillator


The SiT1630 ultra-small, ultra-low power 32.768 kHz oscillator is optimized for mobile and other battery-powered applications. This family is a low-power alternative to existing 32 kHz oscillators, and its 1.5 V to 3.63 V operating supply voltage range makes it an ideal solution for mobile and handheld applications.

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Small 2012 package replaces bulky quartz products; SOT23-5 package option for best board-level reliability
"Specs" "Value"
Oscillator Type 32 kHz XO
Frequency 32.768, 16.384 kHz
Frequency Stability (ppm) 75, 100, 150
Output Type LVCMOS
Operating Temperature Range (°C) -10 to +70, -40 to +85, -40 to +105
Voltage Supply (V) 1.5 to 3.63
Package Type (mm²) 2.0x1.2, SOT23-5
Features Small 2012 QFN package
Availability Production

Small SMD package: 2.0 x 1.2 mm (2012)

  • Ultra-low power oscillator replaces bulky alternatives

μPower: 1.0 μA (typ.)

  • LVCMOS compatible output

Internal VDD supply filtering eliminates external bypass caps

< 20 ppm frequency tolerance

< 300 ms start up time (25 °C)


  • 平板电脑
  • e-Readers
  • Sport video camcorders
  • Automotive cameras
  • Industrial data loggers
  • 信息娱乐系统
  • 零售电子产品
  • 家庭信息娱乐系统
  • 家用电器

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4L-QFN Package Composition Report (SiT1533, SiT1534, SiT1630) Composition Reports
5L-SOT23 Package Composition Report Composition Reports
Electronics Industry Citizen Coalition Template Other Quality Documents
Manufacturing Notes for SiTime Products Other Quality Documents
SiTime Conflict Minerals Policy Other Quality Documents
SiTime Environmental Policy Other Quality Documents
SiTime Warranty on Date Code Other Quality Documents
ISO9001:2015 Certificate of Registration Other Quality Documents
Conflict Minerals Reporting Template Other Quality Documents
SiT153X, SiT1552, SiT163X Product Qualification Report Reliability Reports
4L-QFN Package Qualification Report - Carsem Reliability Reports
SiT16XX, SiT89XX High Temp Product Qualification Report Reliability Reports
TSMC Wafer SGS Report RoHS/Reach/Green Certificates
Tower Jazz Wafer SGS Report RoHS/Reach/Green Certificates
4L/6L-QFN Package Homogeneous Materials and SGS Report RoHS/Reach/Green Certificates
BOSCH Wafer SGS Report RoHS/Reach/Green Certificates
SiTime Environmental Compliance Declaration RoHS/Reach/Green Certificates
Certificate of Compliance-EU RoHS Declaration RoHS/Reach/Green Certificates