29 eleCTRiCal ChaRaCTeRiSTiCS
29-14
Seiko epson Corporation
S1C17624/604/622/602/621 TeChniCal Manual
RFC reference/sensor oscillation current consumption-frequency characteristic
(Capacitive sensor DC oscillation mode)
C
REF
/C
SEN
= 1000pF, Typ. value
1
10
100
1000
2500
2000
1500
1000
500
0
10000
f
RFCLK
[kHz]
I
RFC
[
µ
A]
V
DD
= 3.6 V
V
DD
= 1.8 V
1
10
100
1000
2500
2000
1500
1000
500
0
10000
f
RFCLK
[kHz]
I
RFC
[
µ
A]
V
DD
= 3.6 V
V
DD
= 1.8 V
<S1C17624/604/622>
<S1C17602/621>
SVD Circuit Characteristics
29.12
analog characteristics
Unless otherwise specified: V
DD
= 1.8 to 3.6V, V
SS
= 0V, Ta = 25
°
C
item
Symbol
Condition
Min.
Typ.
Max.
unit
SVD voltage
V
SVD
SVDC[3:0] = 0x0
–
V
SVDC[3:0] = 0x1
Typ.
×
0.96
1.8
Typ.
×
1.04
V
SVDC[3:0] = 0x2
1.9
V
SVDC[3:0] = 0x3
2.0
V
SVDC[3:0] = 0x4
2.1
V
SVDC[3:0] = 0x5
2.2
V
SVDC[3:0] = 0x6
2.3
V
SVDC[3:0] = 0x7
2.4
V
SVDC[3:0] = 0x8
2.5
V
SVDC[3:0] = 0x9
2.6
V
SVDC[3:0] = 0xa
2.7
V
SVDC[3:0] = 0xb
2.8
V
SVDC[3:0] = 0xc
2.9
V
SVDC[3:0] = 0xd
3.0
V
SVDC[3:0] = 0xe
3.1
V
SVDC[3:0] = 0xf
3.2
V
SVD circuit-enable response time
*
1
t
SVDEN
500
µs
SVD circuit response time
*
2
t
SVD
60
µs
*
1 This time is required to obtain stable detection results after SVDEN is altered from 0 to 1.
*
2 This time is required to obtain stable detection results after SVDC[3:0] is altered.
SVD voltage-ambient temperature characteristic
SVDC[3:0] = 0xf, Typ. value
-50
1.05V
SVD
1.04V
SVD
1.03V
SVD
1.02V
SVD
1.01V
SVD
1.00V
SVD
0.99V
SVD
0.98V
SVD
0.97V
SVD
0.96V
SVD
0.95V
SVD
-25
0
25
50
75
100
Ta [°C]
V
SVD
[V]