EFR32MG1 Datasheet, PDF (42/94 Pages) Silicon Laboratories – Home and Building Automation and Security

4.1.16 ADC
EFR32MG1 Mighty Gecko SoC with Integrated Serial Flash 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 from all supplies, us-
ing internal reference buffer.
Continous operation. WAR-
MUPMODE² = KEEPADC-
WARM
I_{ADC_CONTI-}
NOUS_LP
1 Msps / 16 MHz ADCCLK,
BIASPROG = 0, GPBIASACC = 1
3
250 ksps / 4 MHz ADCCLK, BIA-
SPROG = 6, GPBIASACC = 1 ³
62.5 ksps / 1 MHz ADCCLK,
BIASPROG = 15, GPBIASACC =
1³
Current from all supplies, us-
ing internal reference buffer.
Duty-cycled operation. WAR-
MUPMODE² = NORMAL
I_{ADC_NORMAL_LP}
35 ksps / 16 MHz ADCCLK,
BIASPROG = 0, GPBIASACC = 1
3
5 ksps / 16 MHz ADCCLK
BIASPROG = 0, GPBIASACC = 1
3
Current from all supplies, us-
ing internal reference buffer.
Duty-cycled operation.
AWARMUPMODE² = KEEP-
INSTANDBY or KEEPIN-
SLOWACC
I_{ADC_STAND-}
BY_LP
125 ksps / 16 MHz ADCCLK,
BIASPROG = 0, GPBIASACC = 1
3
35 ksps / 16 MHz ADCCLK,
BIASPROG = 0, GPBIASACC = 1
3
Current from all supplies, us-
ing internal reference buffer.
Continous operation. WAR-
MUPMODE² = KEEPADC-
WARM
I_{ADC_CONTI-}
NOUS_HP
1 Msps / 16 MHz ADCCLK,
BIASPROG = 0, GPBIASACC = 0
3
250 ksps / 4 MHz ADCCLK, BIA-
SPROG = 6, GPBIASACC = 0 ³
62.5 ksps / 1 MHz ADCCLK,
BIASPROG = 15, GPBIASACC =
0³
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
301
350
μA
149
—
μA
91
—
μA
51
—
μA
9
—
μA
117
—
μA
79
—
μA
345
—
μA
191
—
μA
132
—
μA
silabs.com | Smart. Connected. Energy-friendly.
Rev. 1.0 | 41