AS3930
Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s
Table 5. Electrical System Specifications
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Input Sensitivity
SENS
Input Sensitivity
With 125kHz carrier frequency, chip in
default mode, 4 half bits burst + 4
symbols preamble and single preamble
detection
100
μVrms
Channel Settling Time
TSAMP
Amplifier settling time
250
μs
Crystal Oscillator
FXTAL
TXTAL
IXTAL
Frequency
Start-up Time
Current consumption
Crystal dependent
32.768
1
1
kHz
s
μA
External Clock Source
IEXTCL
Current consumption
1
μA
RC Oscillator
FRCNCAL
FRCCAL32
FRCCALMAX
Frequency
If no calibration is performed
If calibration with 32.768 kHz reference
signal is performed
Maximum achievable frequency
after calibration
27
31
32.768
32.768
35
42
34.5
kHz
kHz
kHz
FRCCALMIN
TCALRC
IRC
Calibration time
Current consumption
Minimum achievable frequency
after calibration
30
200
65
kHz
Periods of
reference
clock
nA
www.ams.com/LF-Receiver/AS3930
Revision 1.5
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