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23 ELECTRICAL CHARACTERISTICS
RFC reference/sensor oscillation frequency-
temperature characteristic
R
/R
= 100 kW, C
= 1,000 pF, Typ. value
REF
SEN
REF
16
14
12
10
8
6
4
2
0
-50
-25
0
23-18
V
= 5.5 V
DD
3.6 V
1.8 V
25
50
75
100
Ta [°C]
Seiko Epson Corporation
RFC reference/sensor oscillation current
consumption-frequency characteristic
C
= 1,000 pF, Ta = 25 °C, Typ. value
REF
3,000
2,500
2,000
1,500
1,000
500
0
0.1
1
V
= 5.5 V
DD
3.6 V
1.8 V
10
100
1,000
10,000
f
[kHz]
RFCLK
S1C31D41 TECHNICAL MANUAL
(Rev. 1.1)
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