EFM32GG11 datasheet(62/261 Pages) SILABS

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4.1.18 Capacitive Sense (CSEN)

Table 4.26. Capacitive Sense (CSEN)

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Single conversion time (1x

accumulation)

tCNV

12-bit SAR Conversions

—

20.2

—

µs

16-bit SAR Conversions

—

26.4

—

µs

Delta Modulation Conversion (sin-

gle comparison)

—

1.55

—

µs

Maximum external capacitive

load

CEXTMAX

CS0CG=7 (Gain = 1x), including

routing parasitics

—

CS0CG=0 (Gain = 10x), including

routing parasitics

—

680

—

Maximum external series im-

pedance

REXTMAX

—

kΩ

Supply current, EM2 bonded

conversions, WARMUP-

MODE=NORMAL, WAR-

MUPCNT=0

ICSEN_BOND

12-bit SAR conversions, 20 ms

conversion rate, CS0CG=7 (Gain

= 1x), 10 channels bonded (total

capacitance of 330 pF)1

—

326

—

Delta Modulation conversions, 20

ms conversion rate, CS0CG=7

(Gain = 1x), 10 channels bonded

(total capacitance of 330 pF)1

—

226

—

12-bit SAR conversions, 200 ms

conversion rate, CS0CG=7 (Gain

= 1x), 10 channels bonded (total

capacitance of 330 pF)1

—

Delta Modulation conversions,

200 ms conversion rate,

CS0CG=7 (Gain = 1x), 10 chan-

nels bonded (total capacitance of

330 pF)1

—

Supply current, EM2 scan

conversions, WARMUP-

MODE=NORMAL, WAR-

MUPCNT=0

ICSEN_EM2

12-bit SAR conversions, 20 ms

scan rate, CS0CG=0 (Gain =

10x), 8 samples per scan1

—

690

—

Delta Modulation conversions, 20

ms scan rate, 8 comparisons per

sample (DMCR = 1, DMR = 2),

CS0CG=0 (Gain = 10x), 8 sam-

ples per scan1

—

515

—

12-bit SAR conversions, 200 ms

scan rate, CS0CG=0 (Gain =

10x), 8 samples per scan1

—

Delta Modulation conversions,

200 ms scan rate, 8 comparisons

per sample (DMCR = 1, DMR =

2), CS0CG=0 (Gain = 10x), 8

samples per scan1

—

EFM32GG11 Family Data Sheet

Electrical Specifications

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