Data Sheet

ICM7555, ICM7556
FN2867 Rev 1.00 Page 8 of 13
June 28, 2016
FIGURE 13. NORMALIZED FREQUENCY STABILITY IN THE ASTABLE
MODE vs SUPPLY VOLTAGE
FIGURE 14. DISCHARGE OUTPUT CURRENT vs DISCHARGE OUTPUT
VOLTAGE
FIGURE 15. PROPAGATION DELAY vs VOLTAGE LEVEL OF TRIGGER
PULSE
FIGURE 16. NORMALIZED FREQUENCY STABILITY IN THE ASTABLE
MODE vs TEMPERATURE
FIGURE 17. FREE RUNNING FREQUENCY vs R
A
, R
B
AND C
FIGURE 18. TIME DELAY IN THE MONOSTABLE MODE vs
R
A
AND C
Typical Performance Curves (Continued)
SUPPLY VOLTAGE (V)
T
A
= +25°C
NORMALIZED FREQUENCY DEVIATION (%)
R
A
= R
B
= 10MΩ
0.1 1.0 10.0 100.0
8
8
6
4
2
0
2
4
6
C = 100pF
R
A
= R
B
= 10kΩ
C = 0.1µF
T
A
= +25°C
DISCHARGE LOW VOLTAGE (V)
V
DD
= 2V
V
DD
= 5V
V
DD
= 18V
DISCHARGE SINK CURRENT (mA)
0.01 0.1 1.0 10.0
0.1
100
10.0
1.0
T
A
= +25°C
LOWEST VOLTAGE LEVEL OF TRIGGER
PULSE (%V
DD
)
V
DD
= 5V
PROPAGATION DELAY (ns)
010203040
0
600
500
400
300
200
100
T
A
= +70°C
T
A
= -20°C
TEMPERATURE (°C)
NORMALIZED FREQUENCY DEVIATION (%)
06080
-0.1
+0.1
0
R
A
= R
B
= 10kΩ
C = 0.1µF
4020-20
+0.2
+0.3
+0.4
+0.5
+0.6
+0.7
+0.8
+0.9
+1.0
V
DD
= 2V
V
DD
= 5V
V
DD
= 18V
V
DD
= 2V
T
A
= +25°C
FREQUENCY (Hz)
(R
A
+ 2R
B
)
1kΩ
10kΩ
100kΩ
1MΩ
10MΩ
100MΩ
100.1 1 100 1k 10k 100k 1M 10M
CAPACITANCE (F)
1.0
100m
10m
1m
100µ
10µ
1µ
100n
10n
1n
100p
10p
1p
TIME DELAY (s)
1kΩ
10kΩ
100kΩ
1MΩ
10MΩ
100MΩ
10µ
100n
1µ 100µ
1m 10m 100m 1 10
CAPACITANCE (F)
1.0
100m
10m
1m
100µ
10µ
1µ
100n
10n
1n
100p
10p
1p
R
A
T
A
= +25°C