EFM32G842 Datasheet, PDF (41/70 Pages) Silicon Laboratories – Wake-up Interrupt Controller

...the world's most energy friendly microcontrollers
Figure 3.32. 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 3.33. 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)
3.11 Digital Analog Converter (DAC)
Table 3.15. DAC
Symbol
V_DACOUT
V_DACCM
I_DAC
Parameter
Condition
Output voltage
range
VDD voltage reference, single
ended
VDD voltage reference, differ-
ential
Output common
mode voltage range
Active current in-
cluding references
for 2 channels
500 kSamples/s, 12bit
100 kSamples/s, 12 bit
1 kSamples/s 12 bit
Min
Typ
0
-V_DD
0
Max
Unit
V_DD V
V_DD V
400¹
200¹
17¹
V_DD V
650 µA
250 µA
25 µA
2015-05-22 - EFM32G842FXX - d0070_Rev1.90
41
www.silabs.com