EFR32FG12 Datasheet, PDF(80/183 Page)

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EFR32FG12 Datasheet, PDF (80/183 Pages) –

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4.1.16 Analog to Digital Converter (ADC)

EFR32FG12 Flex Gecko Proprietary Protocol SoC Family Data Sheet

Electrical Specifications

Table 4.42. Analog to Digital Converter (ADC)

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Resolution

VRESOLUTION

Bits

Input voltage range

VADCIN

Single ended

VFS

Differential

-VFS/2

VFS/2

Input range of external refer- VADCREFIN_P

ence voltage, single ended

and differential

VAVDD

Power supply rejection2

PSRRADC

At DC

Analog input common mode CMRRADC

rejection ratio

At DC

Current from all supplies, us- IADC_CONTI-

1 Msps / 16 MHz ADCCLK, BIA-

ing internal reference buffer. NOUS_LP

SPROG = 0, GPBIASACC = 1 3

Continous operation. WAR-

MUPMODE4 = KEEPADC-

250 ksps / 4 MHz ADCCLK, BIA-

WARM

SPROG = 6, GPBIASACC = 1 3

62.5 ksps / 1 MHz ADCCLK, BIA-

SPROG = 15, GPBIASACC = 1 3

270

315

Î¼A

125

Î¼A

Current from all supplies, us- IADC_NORMAL_LP 35 ksps / 16 MHz ADCCLK, BIA-

Î¼A

ing internal reference buffer.

SPROG = 0, GPBIASACC = 1 3

Duty-cycled operation. WAR-

MUPMODE4 = NORMAL

5 ksps / 16 MHz ADCCLK BIA-

Î¼A

SPROG = 0, GPBIASACC = 1 3

Current from all supplies, us- IADC_STAND-

125 ksps / 16 MHz ADCCLK, BIA-

105

Î¼A

ing internal reference buffer. BY_LP

SPROG = 0, GPBIASACC = 1 3

Duty-cycled operation.

AWARMUPMODE4 = KEEP-

INSTANDBY or KEEPIN-

35 ksps / 16 MHz ADCCLK, BIA-

Î¼A

SPROG = 0, GPBIASACC = 1 3

SLOWACC

Current from all supplies, us- IADC_CONTI-

1 Msps / 16 MHz ADCCLK, BIA-

325

Î¼A

ing internal reference buffer. NOUS_HP

SPROG = 0, GPBIASACC = 0 3

Continous operation. WAR-

MUPMODE4 = KEEPADC-

250 ksps / 4 MHz ADCCLK, BIA-

175

Î¼A

WARM

SPROG = 6, GPBIASACC = 0 3

62.5 ksps / 1 MHz ADCCLK, BIA-

125

Î¼A

SPROG = 15, GPBIASACC = 0 3

Current from all supplies, us- IADC_NORMAL_HP 35 ksps / 16 MHz ADCCLK, BIA-

Î¼A

ing internal reference buffer.

SPROG = 0, GPBIASACC = 0 3

Duty-cycled operation. WAR-

MUPMODE4 = NORMAL

5 ksps / 16 MHz ADCCLK BIA-

Î¼A

SPROG = 0, GPBIASACC = 0 3

Current from all supplies, us- IADC_STAND-

125 ksps / 16 MHz ADCCLK, BIA-

160

Î¼A

ing internal reference buffer. BY_HP

SPROG = 0, GPBIASACC = 0 3

Duty-cycled operation.

AWARMUPMODE4 = KEEP-

INSTANDBY or KEEPIN-

35 ksps / 16 MHz ADCCLK, BIA-

125

Î¼A

SPROG = 0, GPBIASACC = 0 3

SLOWACC

Current from HFPERCLK

IADC_CLK

HFPERCLK = 16 MHz

160

Î¼A

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