efm32g890 ETC-unknow, efm32g890 Datasheet - Page 32

• Manufacturer Part Number: efm32g890
• Description: Ic Microcontroller
• Manufacturer: ETC-unknow

3.9.5 ULFRCO
3.10 Analog Digital Converter (ADC)
2010-12-17 - d0010_Rev1.20
Table 3.13. ULFRCO
Table 3.14. ADC
Symbol
f
TC
VC
Symbol
V
V
V
V
V
I
CMRR
I
C
R
R
ULFRCO
ADCIN
ADC
ADCIN
ADCREFIN
ADCREFIN_CH7
ADCREFIN_CH6
ADCCMIN
ADCIN
ADCIN
ADCFILT
ULFRCO
ULFRCO
ADC
Parameter
Oscillation frequency
Temperature coefficient
Supply voltage coefficient
Parameter
Input voltage range
Input range of external ref-
erence voltage, single end-
ed and differential
Input range of external neg-
ative reference voltage on
channel 7
Input range of external pos-
itive reference voltage on
channel 6
Common mode input range
Input current
Analog input common
mode rejection ratio
Average active current
Input capacitance
Input ON resistance
Input RC filter resistance
Condition
25°C, 3V
Condition
Single ended
Differential
See V
See V
2pF sampling capacitors
1 MSamples/s, 12 bit, exter-
nal reference
1 MSamples/s, 12 bit, internal
reference
10 kSamples/s 12 bit, internal
1.25 V reference, WARMUP-
MODE in ADCn_CTRL set to
0b00, ADC_CLK running at
13MHz
10 kSamples/s 12 bit, internal
1.25 V reference, WARMUP-
MODE in ADCn_CTRL set to
0b01, ADC_CLK running at
13MHz
10 kSamples/s 12 bit, internal
1.25 V reference, WARMUP-
MODE in ADCn_CTRL set to
0b10, ADC_CLK running at
13MHz
ADCREFIN
ADCREFIN
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32
Min
Min
-V
0.625
REF
1.25
0.8
/2
0
0
0
1
Typ
Typ
www.energymicro.com
-18.2
<100
0.05
351
411
65
67
63
64
10
2
Max
Max
V
DD
V
REF
V
- 1.1 V
V
V
V
REF
1.5 kHz
DD
DD
DD
/2 V
Unit
%/°C
%/V
Unit
V
V
V
V
nA
dB
µA
µA
µA
µA
µA
pF
MOhm
kOhm