EFM32GG11 datasheet(52/261 Pages) SILABS

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4.1.14 Analog to Digital Converter (ADC)

Specified at 1 Msps, ADCCLK = 16 MHz, BIASPROG = 0, GPBIASACC = 0, unless otherwise indicated.

Table 4.22. Analog to Digital Converter (ADC)

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Resolution

VRESOLUTION

—

Bits

Input voltage range5

VADCIN

Single ended

—

VFS

Differential

-VFS/2

—

VFS/2

Input range of external refer-

ence voltage, single ended

and differential

VADCREFIN_P

—

VAVDD

Power supply rejection2

PSRRADC

At DC

—

Analog input common mode

rejection ratio

CMRRADC

At DC

—

Current from all supplies, us-

ing internal reference buffer.

Continuous operation. WAR-

MUPMODE4 = KEEPADC-

WARM

IADC_CONTINU-

OUS_LP

1 Msps / 16 MHz ADCCLK, BIA-

SPROG = 0, GPBIASACC = 1 3

—

270

350

µA

250 ksps / 4 MHz ADCCLK, BIA-

SPROG = 6, GPBIASACC = 1 3

—

125

—

µA

62.5 ksps / 1 MHz ADCCLK, BIA-

SPROG = 15, GPBIASACC = 1 3

—

µA

Current from all supplies, us-

ing internal reference buffer.

Duty-cycled operation. WAR-

MUPMODE4 = NORMAL

IADC_NORMAL_LP 35 ksps / 16 MHz ADCCLK, BIA-

SPROG = 0, GPBIASACC = 1 3

—

µA

5 ksps / 16 MHz ADCCLK BIA-

SPROG = 0, GPBIASACC = 1 3

—

µA

Current from all supplies, us-

ing internal reference buffer.

Duty-cycled operation.

AWARMUPMODE4 = KEEP-

INSTANDBY or KEEPIN-

SLOWACC

IADC_STAND-

BY_LP

125 ksps / 16 MHz ADCCLK, BIA-

SPROG = 0, GPBIASACC = 1 3

—

105

—

µA

35 ksps / 16 MHz ADCCLK, BIA-

SPROG = 0, GPBIASACC = 1 3

—

µA

Current from all supplies, us-

ing internal reference buffer.

Continuous operation. WAR-

MUPMODE4 = KEEPADC-

WARM

IADC_CONTINU-

OUS_HP

1 Msps / 16 MHz ADCCLK, BIA-

SPROG = 0, GPBIASACC = 0 3

—

325

—

µA

250 ksps / 4 MHz ADCCLK, BIA-

SPROG = 6, GPBIASACC = 0 3

—

175

—

µA

62.5 ksps / 1 MHz ADCCLK, BIA-

SPROG = 15, GPBIASACC = 0 3

—

125

—

µA

Current from all supplies, us-

ing internal reference buffer.

Duty-cycled operation. WAR-

MUPMODE4 = NORMAL

IADC_NORMAL_HP 35 ksps / 16 MHz ADCCLK, BIA-

SPROG = 0, GPBIASACC = 0 3

—

µA

5 ksps / 16 MHz ADCCLK BIA-

SPROG = 0, GPBIASACC = 0 3

—

µA

Current from all supplies, us-

ing internal reference buffer.

Duty-cycled operation.

AWARMUPMODE4 = KEEP-

INSTANDBY or KEEPIN-

SLOWACC

IADC_STAND-

BY_HP

125 ksps / 16 MHz ADCCLK, BIA-

SPROG = 0, GPBIASACC = 0 3

—

160

—

µA

35 ksps / 16 MHz ADCCLK, BIA-

SPROG = 0, GPBIASACC = 0 3

—

125

—

µA

Current from HFPERCLK

IADC_CLK

HFPERCLK = 16 MHz

—

180

—

µA

EFM32GG11 Family Data Sheet

Electrical Specifications

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