EFR32FG1 Datasheet, PDF (38/101 Pages) Silicon Laboratories – Electronic Shelf Labels

4.1.15 ADC
EFR32FG1 Flex Gecko Proprietary Protocol SoCFamily Data Sheet
Electrical Specifications
Table 4.27. ADC
Parameter
Symbol
Test Condition
Resolution
Input voltage range
V_RESOLUTION
V_ADCIN
Single ended
Differential
Input range of external refer- V_{ADCREFIN_P}
ence voltage, single ended
and differential
Power supply rejection¹
PSRR_ADC
Analog input common mode CMRR_ADC
rejection ratio
At DC
At DC
Current on DVDD, using in-
ternal reference buffer. Con-
tinous operation. WARMUP-
MODE² = KEEPADCWARM
I_{ADCDIG_CONTI-}
NOUS
1 Msps / 16 MHz ADCCLK,
BIASPROG³ = 0
250 ksps / 4 MHz ADCCLK, BIA-
SPROG³ = 6
62.5 ksps / 1 MHz ADCCLK,
BIASPROG³ = 15
Current on DVDD, using in-
ternal reference buffer. Duty-
cycled operation. WARMUP-
MODE² = NORMAL
I_{ADCDIG_NORMAL}
35 ksps / 16 MHz ADCCLK,
BIASPROG³ = 0
5 ksps / 16 MHz ADCCLK
BIASPROG³ = 0
Current on DVDD, using in-
ternal reference buffer. Duty-
cycled operation. AWAR-
MUPMODE² = KEEPIN-
STANDBY or KEEPINSLO-
WACC
I_{ADCDIG_STAND-}
BY
125 ksps / 16 MHz ADCCLK,
BIASPROG³ = 0
35 ksps / 16 MHz ADCCLK,
BIASPROG³ = 0
Current on AVDD⁴, using in-
ternal reference buffer. Con-
tinous operation. WARMUP-
MODE² = KEEPADCWARM
I_{ADCANA_CONTI-}
NOUS
1 Msps / 16 MHz ADCCLK,
BIASPROG³ = 0
250 ksps / 4 MHz ADCCLK, BIA-
SPROG³ = 6
62.5 ksps / 1 MHz ADCCLK,
BIASPROG³ = 15
Current on AVDD⁴ , using in- ^IADCANA_NORMAL ^{35 ksps / 16 MHz ADCCLK,}
ternal reference buffer. Duty-
cycled operation. WARMUP-
BIASPROG³ = 0
MODE² = NORMAL
5 ksps / 16 MHz ADCCLK,
BIASPROG³ = 0
Min
6
0
-V_REF
1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Typ
Max
Unit
—
12
Bits
—
2*V_REF
V
—
V_REF
V
—
V_AVDD
V
80
—
dB
80
—
dB
40
—
μA
15
—
μA
9
—
μA
40
—
μA
5
—
μA
12
—
μA
6
—
μA
286
—
μA
155
—
μA
102
—
μA
35
—
μA
5
—
μA
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