EFM32G Data Sheet
Electrical Characteristics
Offset vs Supply Voltage, Temp = 25°C
Offset vs Temperature, VDD = 3V
5
4
3
2
1
0
2.0
1.5
Vref=1V25
Vref=2V5
VRef=1V25
VRef=2V5
Vref=2XVDDVSS
VRef=2XVDDVSS
VRef=5VDIFF
VRef=VDD
Vref=5VDIFF
Vref=VDD
1.0
0.5
–1
0.0
–2
–3
–4
–0.5
–1.0
2.0
2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
3.8
–40
–15
5
25
45
65
85
Vdd (V)
Temp (C)
Figure 4.32. ADC Absolute Offset, Common Mode = VDD/2
Signal to Noise Ratio (SNR)
Spurious-Free Dynamic Range (SFDR)
71
70
69
68
67
66
65
64
63
79.4
79.2
79.0
78.8
78.6
78.4
78.2
78.0
2XVDDVSS
Vdd
1V25
Vdd
2V5
5VDIFF
2V5
2XVDDVSS
5VDIFF
85
1V25
–40
–15
5
25
45
65
85
–40
–15
5
25
45
65
Temperature [°C]
Temperature [°C]
Figure 4.33. ADC Dynamic Performance vs Temperature for all ADC References, VDD = 3V
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