32KHz Relaxation Oscillator

CT21600 is an ultra low power charge pump designed for power critical devices.
It delivers up to 350uA with selectable output voltages (0.5x, x1, x1.5, x2, x3) from an input voltage ranging from 2.0V to 3.0V.
When a more precise output voltage is requested, a regulation circuit can be activated to adjust the output voltage with 5bit of precision.
The IP is available on 0.35um AMS 50V CMOS technology and easily portable to other processes.
The component is optimized for ease of use and integration in complex SoCs.

For more information, 

  • Nominal frequency f0 = 32.768kHz; Total current consumption 500nA;
  •  Fab trimming Frequency Precision:
  • 35% untrimmed
  • 1% trimmed
  • Supply voltage 2.5V 10%
  • General Purpose

  • Silicon Proven on 0.18u and 0.35u CMOS.
  • Datasheet
  • Integration guidelines
  • Test Specifications
  • GDS2 and LVS Netlist
  • Footprint (.LEF)