EFM32ZG222 Datasheet, PDF (34/66 Pages) Silicon image – Energy, gas, water and smart metering

Preliminary
...the world's most energy friendly microcontrollers
3.10.1 Typical performance
Figure 3.26. ADC Frequency Spectrum, Vdd = 3V, Temp = 25°C
1.25V Reference
2.5V Reference
2XVDDVSS Reference
5VDIFF Reference
VDD Reference
2013-10-09 - EFM32ZG222FXX - d0066_Rev0.60
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