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Oven-Controlled References: Precise Reference IP’s with an On-Chip Micro-Oven

Mar 6, 2026

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High-precision references are fundamental to modern integrated circuits. They support nearly all critical functions in a system, such as compute timing, memory IP, and sensor readout. Yet their accuracy is challenged by environmental and manufacturing variations. Hence, robust solutions are required to maintain reliable performance.

What can be a high-precision reference?
- Voltage and current
- Frequency (time)
- Temperature
- Performance parameters (e.g., gain, sensitivity, ...)

What is our IC design solution for stability?
A major challenge in today’s microchips is parameter drift due to thermal variations. Instead of classic compensation schemes, we use a fully integrated microoven to stabilize the temperature locally on-chip. The tiny control system with heater and sensor electronics allows us to achieve ppm-precision of various signals, while avoiding calibration effort.

How can the Micro-Oven approach benefit your business?
On-chip references that:
- Replace costly crystal oscillators
- Enable significant cost savings during IC testing
- Reduce effort for in-package and multi-point calibration
- Improve key SoC performance parameters

Why you should work with us?
- Broad expertise in mixed-signal IC and sensor design at advanced CMOS nodes
- “Out-of-the-box” approach with proven innovations & various patents
- Dedicated research team with industry background & close collaborations with leading universities
- Experience with international customer projects

Hansastr. 27 d

80686 München

Germany

+49 89 54759-0

+49 89 54759-100

https://www.emft.fraunhofer.de

contact@emft.fraunhofer.de

Hall 1 Booth 1-324
We kindly invite you for a free exhibition visit.
Your voucher code: ST2026A51296.

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