User's Manual

4.1.12 ADC
Table 4.20. ADC
Parameter Symbol Test Condition Min Typ Max Unit
Resolution V
RESOLUTION
6 — 12 Bits
Input voltage range V
ADCIN
Single ended 0 — 2*V
REF
V
Differential -V
REF
— V
REF
V
Input range of external refer-
ence voltage, single ended
and differential
V
ADCREFIN_P
1 — V
AVDD
V
Power supply rejection
1
PSRR
ADC
At DC — 80 — dB
Analog input common mode
rejection ratio
CMRR
ADC
At DC — 80 — dB
Current on DVDD, using in-
ternal reference buffer. Con-
tinous operation. WARMUP-
MODE
2
= KEEPADCWARM
I
ADCDIG_CONTI-
NOUS
1 Msps / 16 MHz ADCCLK,
BIASPROG
3
= 0
— 40 — μA
250 ksps / 4 MHz ADCCLK, BIA-
SPROG
3
= 6
— 15 — μA
62.5 ksps / 1 MHz ADCCLK,
BIASPROG
3
= 15
— 9 — μA
Current on DVDD, using in-
ternal reference buffer. Duty-
cycled operation. WARMUP-
MODE
2
= NORMAL
I
ADCDIG_NORMAL
35 ksps / 16 MHz ADCCLK,
BIASPROG
3
= 0
—
40 — μA
5 ksps / 16 MHz ADCCLK
BIASPROG
3
= 0
— 5 — μA
Current on DVDD, using in-
ternal reference buffer. Duty-
cycled operation. AWAR-
MUPMODE
2
= KEEPIN-
STANDBY or KEEPINSLO-
WACC
I
ADCDIG_STAND-
BY
125 ksps / 16 MHz ADCCLK,
BIASPROG
3
= 0
— 12 — μA
35 ksps / 16 MHz ADCCLK,
BIASPROG
3
= 0
— 6 — μA
Current on AVDD
4
, using in-
ternal reference buffer. Con-
tinous operation. WARMUP-
MODE
2
= KEEPADCWARM
I
ADCANA_CONTI-
NOUS
1 Msps / 16 MHz ADCCLK,
BIASPROG
3
= 0
— 286 — μA
250 ksps / 4 MHz ADCCLK, BIA-
SPROG
3
= 6
— 155 — μA
62.5 ksps / 1 MHz ADCCLK,
BIASPROG
3
= 15
— 102 — μA
Current on AVDD
4
, using in-
ternal reference buffer. Duty-
cycled operation. WARMUP-
MODE
2
= NORMAL
I
ADCANA_NORMAL
35 ksps / 16 MHz ADCCLK,
BIASPROG
3
= 0
— 35 — μA
5 ksps / 16 MHz ADCCLK,
BIASPROG
3
= 0
— 5 — μA
BGM113 Blue Gecko Bluetooth
®
Smart Module Data Sheet
Electrical Specifications
silabs.com | Smart. Connected. Energy-friendly. Preliminary Rev. 0.93 | 26