EM7604- Oscillators

Ultra-low power CMOS oscillator circuit

General Description

The ultra-low power CMOS oscillator circuit EM7604 can be combined with any 32.768kHz tuning fork crystal available from Micro Crystal or other suppliers.  It has an excellent oscillator stability over a wide voltage and temperature range. Aside of the crystal, no other external components are required.

It is available in a small SOT23-6 package or in DIE form

Solutions

  • General purpose clock generator for digital systems
  • Clock drivers for Real Time Clocks
  • Timekeeping in network servers and computers
  • Data logger
  • Electricity, gas and water metering
  • Portable field communication
  • Mobile phones
  • Solution for problems with embedded quartz oscillators

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Features

  • Very low power consumption: typ. 300nA
  • On chip integrated oscillation capacitors: CL=8pF
  • Matched low cost SMD quartz available from Micro Crystal, Switzerland
  • Compatibility with crystals having high series resistance
  • Very tight frequency tolerance
  • Excellent oscillator stability: 0.2 ppm/V
  • Wide supply voltage range: 1.2V to 5.5V
  • Operating temperature range: -10°C to +85°C
  • Small SOT23-6 package
  • 100% lead free, RoHS compliant
AttachmentSize
EM7604 Data Sheet252.66 KB