Ultra-Small Low Power, ±5 ppm, 32.768 kHz TCXO with In-System Auto-Calibration

sit's TempFlat MEMS™ technology enables the first 32 kHz ±5 ppm Super-TCXO in a 1.2 mm2 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-small 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 32 kHz TCXO that maintains ±5 ppm all-inclusive stability in a tiny 1.2 mm2 footprint - ideal for wearables, modules, and tiny IoT applications.

世界上最小的TCXO在微小的1508芯片尺度封装中,仅消耗1.2 mm2的板空间
Oscillator Type 32khz tcxo.
频率 32.768 kHz.
频率Stability (ppm) ±5.
Output Type LVCMOS
Operating Temperature Range (°C) -20 to +70, -40 to +85
电压电源(V) 1.8
Package Type (mm²) 1.5x0.8
Features In-system auto-calibration
可用性 Production

±5 ppm全包overmold /波形的后稳定rfill

  • 超模/底部填充后维持±5 ppm稳定性,以改善局部计时和改进的系统功率

Smallest footprint in chip-scale (CSP): 1.5 x 0.8 mm

  • Saves board space

In-system auto-calibration enables overmold

  • Eliminates (cancels) board related stressors after assembly

Drives multiple loads

  • Eliminates multiple discrete XTALs + load caps


  • 消除外部VDD旁路电容,保持超小型占地面积

低抖动4 NSRMS MAX集成阶段抖动(IPJ)

  • Suitable for audio applications, eliminates discrete MHz XTAL

  • Smart meters (AMR)
  • Smart watches
  • 健康和健康监视器
  • 连接模块(例如WiFi,BLE)

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