IP Catalog > Analog IP > Clocking IP > Oscillator IP > 32KHz Low Power Oscillator

32KHz Low Power Oscillator

Overview

The OT3913t180 is low power, low frequency, multivibrator oscillator for the TSMC 0.18µ CMOS processes.

Resistorless, bipolarless design results in low area.

No external components are required. After a simple trim process a frequency stability of better than 3% is achieved over voltage and temperature ranges.

Key Features

  • 850nW typical power @32KHz.
  • Available frequencies 10KHz – 100KHz.
  • No external components.
  • 60ppm/°C temperature sensitivity.
  • 0.3%/100mV vdd sensitivity.
  • Base cell area 0.005mm2.
  • ±2.5% frequency error after trim.
  • Simple trim at test.
  • Supplied with full source code.
  • Also available for TSMC 150nm, VIS 150nm, UMC 130nm.

Block Diagram

32KHz Low Power Oscillator Block Diagram

Applications

  • Power down / sleep mode clock for core logic.
  • Power sensitive mixed signal chip clocking / time delays.

Technical Specifications

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