SLWSTK6101B Datasheet, PDF (36/84 Pages) Silicon Laboratories – BGM113 Blue Gecko Bluetooth ® Module Data Sheet

BGM113 Blue Gecko Bluetooth ^® Module Data Sheet
Electrical Specifications
Parameter
Symbol
Test Condition
Min
Typ
Max
Comparator delay⁴
t_ACMPDELAY
BIASPROG² = 1, FULLBIAS² = 0
—
30
—
BIASPROG² = 0x10, FULLBIAS²
—
3.7
—
=0
BIASPROG² = 0x20, FULLBIAS²
—
35
—
=1
Offset voltage
V_{ACMPOFFSET BIASPROG}² _{=0x10, FULLBIAS}²
-35
—
35
=1
Reference Voltage
V_ACMPREF
Internal 1.25 V reference
Internal 2.5 V reference
1
1.25
1.47
2
2.5
2.8
Capacitive Sense Internal
Resistance
R_CSRES
CSRESSEL⁵ = 0
CSRESSEL⁵ = 1
—
inf
—
—
15
—
CSRESSEL⁵ = 2
—
27
—
CSRESSEL⁵ = 3
—
39
—
CSRESSEL⁵ = 4
—
51
—
CSRESSEL⁵ = 5
—
102
—
CSRESSEL⁵ = 6
—
164
—
CSRESSEL⁵ = 7
—
239
—
Note:
1. ACMPVDD is a supply chosen by the setting in ACMPn_CTRL_PWRSEL and may be IOVDD, AVDD or DVDD
2. In ACMPn_CTRL register
3. In ACMPn_HYSTERESIS register
4. ±100 mV differential drive
5. In ACMPn_INPUTSEL register
Unit
μs
μs
ns
mV
V
V
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
The total ACMP current is the sum of the contributions from the ACMP and its internal voltage reference as given as:
I_ACMPTOTAL = I_ACMP + I_ACMPREF
I_ACMPREF is zero if an external voltage reference is used.
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