32.678KHz Super-TCXO with auto-calibration

Manufacturer's part number :


Manufacturer SiTime


Description :

SiTime's TempFlat MEMS(TM) technology enables the first 32 kHz ±5 PPM Super-TCXO in a 1.2mm2 chip-scale package. The SiT1568 is factory calibrated over multiple temperature points to guarantee ±5 PPM all-inclusive frequency stability. And unlike any other TCXO on the market, this ultra-samll TCXO includes a one-time, in-system auto-calibration feature that cancels out post-assembly board stressors such as overmold and underfill. The result is a 32kHz TCXO that maintains ±5 PPM all-inclusive stability in a tiny 1.2mm² footprint, ideal for wearables, modules, and tiny IoT applications.

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Technical Data :

  • Quote and availability


  • Frequency: 32.768 KHz
  • Frequency Stability (PPM): ±5
  • Temperature Range: -20 to +70°C, -40 to +85°C
  • Supply Voltage: 1.8 V±10%
  • Package LxWxH: 1.5 x 0.8 x 0.6 mm
  • Benefits


  • Smart Utility water, Gas, and Electricity Meters (AMR)
  • Health and Wellness Monitors
  • Connectivity Modules
  • Smart Watches
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Package Size (LxW) mm 1.5 x 0.8  
Output LVCMOS  
Frequency range (MHz) 0.032768  
Numbers of pads / pins 4 Pad