32.768 kHz振荡器

Sitime提供了MEMS KHZ振荡器和TCXO的完整组合。超小型占地面积,μPower操作和精度的独特组合使得设备成为时钟空间敏感的电池驱动产品的理想选择。通过可编程驱动强度,这些设备可以驱动多个负载,例如BLE睡眠时钟,RTC,音频和其他连接SOC。

32 kHz Oscillators

sit's MEMS 32 kHz solutions are ideal for replacing traditional quartz crystals (resonators) in wearable and mobile applications, where space and power are critical.

  • Smaller footprint: 1.2 mm2 (1.5 x 0.8 mm) CSP (SiT1532, SiT1572)
  • Ultra-low power, as low as <1 μA
  • NanoDrive™ programmable output swing minimizes power compared to LVCMOS output (SiT1532/3)
  • 1.2 V操作 - 针对受管制的供应应用优化,如硬币电池或超级盖电池备份(SIT1532 / 3)
  • 全包频率稳定性,温度低至±50 ppm。(SIT1572)
Device Datasheet 频率 Stability(PPM) 输出类型 Supply Voltage(v) 温度。范围(°C) Package Size(mm2
SiT1532 32.768 kHz 75.100250. lvcmos.NanoDrive™ 1.2 to 3.63 -10 to +70-40到+85 1.5x0.8
SiT1533 32.768 kHz 75.100250. lvcmos.NanoDrive™ 1.2 to 3.63 -10 to +70-40到+85 2.0x1.2
SiT1572 32.768 kHz ±50 lvcmos. 1.62 to 3.63 -40到+85 1.5x0.8
SIT1630 32.768, 16.384 kHz 75.100150. lvcmos. 1.5至3.63 -10 to +70-40到+85-40 to +105 2.0x1.2SOT23-5
SiT1573 32.768 kHz ±10.0 lvcmos. 1.62 to 3.63 -40到+85 1.5x0.8

32 kHz TCXOs

Sentime的32 kHz TCXO系列是第一个在1.2 mm2芯片秤包装中提供±3 ppm稳定性的稳定性。典型的核心电源电流低至1μA。这32 kHz TCXO在多个温度点上进行工厂校准,以保证极其紧密,全包频率稳定性。

  • Supply current as low as 0.99 μA (SiT1552)
  • Stability options include ±3 ppm (SiT1566 at 4.5 μA) and ±10 ppm (SiT1552 at 0.99 μA)
  • NanoDrive™ programmable output swing minimizes power compared to LVCMOS output (SiT1552)
Device Datasheet 频率 Stability(PPM) 输出类型 Supply Voltage(v) 温度。范围(°C) Package Size(mm2
SiT1552 32.768 kHz ±5±10.±20. lvcmos.NanoDrive™ 1.5至3.63 -0 to +70-40到+85 1.5x0.8
SiT1566 32.768 kHz ±3±5 lvcmos. 1.62 to 3.63 -20到+70-40到+85 1.5x0.8
SiT1568 32.768 kHz ±5 lvcmos. 1.8 -20到+70-40到+85 1.5x0.8