EFM32PG1 Datasheet, PDF (25/94 Pages) Silicon Laboratories – Industrial and factory automation

4.1.11 ADC
Table 4.17. 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 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
Current on AVDD⁴, using in- ^IADCANA_STAND-
ternal reference buffer. Duty- _BY
cycled operation. WARMUP-
MODE² = KEEPINSTANDBY
or KEEPINSLOWACC
125 ksps / 16 MHz ADCCLK,
BIASPROG³ = 0
5 ksps / 16 MHz ADCCLK,
BIASPROG³ = 0
ADC Clock Frequency
Throughput rate
Conversion time⁵
f_ADCCLK
f_ADCRATE
t_ADCCONV
6 bit
10 bit
12 bit
Min
6
0
-V_REF
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
EFM32PG1 Data Sheet
Electrical Specifications
Typ
Max
Unit
-
12
Bits
-
2*V_REF
V
-
V_REF
V
-
V_AVDD
V
80
-
dB
80
-
dB
145
-
μA
90
-
μA
85
-
μA
286
-
μA
155
-
μA
102
-
μA
44
-
μA
6
-
μA
117
-
μA
78
-
μA
-
16
MHz
-
1
Msps
7
-
cycles
11
-
cycles
13
-
cycles
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