S-5855AACA-I4T1U Datasheet, PDF (18/27 Pages) Seiko Instruments Inc – PWM OUTPUT TEMPERATURE SENSOR IC

PWM OUTPUT TEMPERATURE SENSOR IC
S-5855A Series
Rev.1.2_01
4. Fall time (tF) vs. Power supply voltage (VDD) dependency
50
40
30
25
10
0
1
2
3
4
5
6
VDD [V]
5. Rise time (tR) vs.Power supply voltage (VDD) dependency
5.1 CMOS output product
5.2 Nch open-drain output product
140
120
100
80
60
40
20
0
1
2
3
4
5
6
VDD [V]
500
400
300
200
100
0
1
2
3
4
5
6
VDD [V]
6. Duty ratio accuracy
6.1 Product with Ta = TSP5, Ddt(s) = −1 %/°C
25
20
15
10
5
0
92 93 94 95 96 97 98
Duty accuracy [%]
7. Oscillation frequency
7.1 Oscillation frequency (fOSC) vs.
Power supply voltage (VDD)
2300
2250
2200
Ddt(s) = −3%/°C
Ddt(s) = −1%/°C
2150
2100
1
2
3
4
5
6
VDD [V]
6.2 Product with Ta = TSP5, Ddt(s) = −3 %/°C
25
20
15
10
5
0
76 78 80 82 84 86 88 90 92 94
Duty accuracy [%]
7.2 Oscillation frequency (fOSC) vs.
Temperature(Ta)
2300
2250
2200
2150
2100
50
Ddt(s) = −3%/°C
Ddt(s) = −1%/°C
75
100
125
Ta [°C]
18