EFM32GG230 Datasheet, PDF (35/70 Pages) List of Unclassifed Manufacturers – High Performance 32-bit processor up to 48 MHz

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Figure 3.19. ADC Absolute Offset, Common Mode = Vdd /2
5
Vref= 1V25
4
Vref= 2V5
Vref= 2XVDDVSS
Vref= 5VDIFF
3
Vref= VDD
2
1
0
–1
–2
–3
–4
2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8
Vdd (V)
Offset vs Supply Voltage, Temp = 25°C
2.0
VRef= 1V25
VRef= 2V5
1.5
VRef= 2XVDDVSS
VRef= 5VDIFF
VRef= VDD
1.0
0.5
0.0
–0 . 5
–1 . 0
–4 0
–1 5
5
25
45
65
85
Tem p (C)
Offset vs Temperature, Vdd = 3V
Figure 3.20. ADC Dynamic Performance vs Temperature for all ADC References, Vdd = 3V
71
70
69
68
67
66
65
64
63
–4 0
–1 5
5
25
45
65
Tem perature [°C]
Signal to Noise Ratio (SNR)
2 XVDDVSS
Vd d
79.4
79.2
79.0
78.8
1 V2 5
Vd d
2 V5
5 VDIFF
2 V5
78.6
78.4
2 XVDDVSS
1 V2 5
85
78.2
78.0
–4 0
5 VDIFF
–1 5
5
25
45
65
85
Tem perature [°C]
Spurious-Free Dynamic Range (SFDR)
2014-05-23 - EFM32GG230FXX - d0035_Rev1.30
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