EFR32MG13 Mighty Gecko Multi-Protocol Wireless SoC Family Data Sheet
Electrical Specifications
4.1.20 Capacitive Sense (CSEN)
Table 4.51. Capacitive Sense (CSEN)
Parameter
Symbol
tCNV
Test Condition
Min
—
Typ
20.2
26.4
1.55
Max
—
Unit
µs
Single conversion time (1x
accumulation)
12-bit SAR Conversions
16-bit SAR Conversions
—
—
µs
Delta Modulation Conversion (sin-
gle comparison)
—
—
µs
Maximum external capacitive CEXTMAX
load
IREFPROG=7 (Gain = 1x), includ-
ing routing parasitics
—
—
—
—
68
680
1
—
—
—
—
pF
pF
kΩ
nA
IREFPROG=0 (Gain = 10x), in-
cluding routing parasitics
Maximum external series im- REXTMAX
pedance
Supply current, EM2 bonded ICSEN_BOND
conversions, WARMUP-
MODE=NORMAL, WAR-
MUPCNT=0
12-bit SAR conversions, 20 ms
conversion rate, IREFPROG=7
(Gain = 1x), 10 channels bonded
(total capacitance of 330 pF)1
326
Delta Modulation conversions, 20
ms conversion rate, IRE-
—
226
—
nA
FPROG=7 (Gain = 1x), 10 chan-
nels bonded (total capacitance of
330 pF)1
12-bit SAR conversions, 200 ms
conversion rate, IREFPROG=7
(Gain = 1x), 10 channels bonded
—
—
33
25
—
—
nA
nA
(total capacitance of 330 pF)1
Delta Modulation conversions,
200 ms conversion rate, IRE-
FPROG=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, IREFPROG=0 (Gain =
—
—
690
515
—
—
nA
nA
10x), 8 samples per scan1
Delta Modulation conversions, 20
ms scan rate, 8 comparisons per
sample (DMCR = 1, DMR = 2),
IREFPROG=0 (Gain = 10x), 8
samples per scan1
12-bit SAR conversions, 200 ms
scan rate, IREFPROG=0 (Gain =
—
—
79
57
—
—
nA
nA
10x), 8 samples per scan1
Delta Modulation conversions,
200 ms scan rate, 8 comparisons
per sample (DMCR = 1, DMR =
2), IREFPROG=0 (Gain = 10x), 8
samples per scan1
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