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參數(shù)資料
| 型號(hào)： | ICM7556 |
| 廠商： | Intersil Corporation |
| 英文描述： | General Purpose Timers(通用定時(shí)器) |
| 中文描述： | 低功耗、通用定時(shí)器 |
| 文件頁(yè)數(shù)： | 8/12頁(yè) |
| 文件大小： | 287K |
| 代理商： | ICM7556 |
8
FN2867.9
August 24, 2006
FIGURE 10. NORMALIZED FREQUENCY STABILITY IN THE
ASTABLE MODE vs SUPPLY VOLTAGE
FIGURE 11. DISCHARGE OUTPUT CURRENT vs DISCHARGE
OUTPUT VOLTAGE
FIGURE 12. PROPAGATION DELAY vs VOLTAGE LEVEL OF
TRIGGER PULSE
FIGURE 13. NORMALIZED FREQUENCY STABILITY IN THE
ASTABLE MODE vs TEMPERATURE
FIGURE 14. FREE RUNNING FREQUENCY vs R
A
, R
B
AND C
FIGURE 15. TIME DELAY IN THE MONOSTABLE MODE vs
R
A
AND C
Typical Performance Curves
(Continued)
SUPPLY VOLTAGE (V)
T
A
= 25°C
N
R
A
= R
B
= 10M
Ω
C = 100pF
0.1
1.0
10.0
100.0
8
8
6
4
2
0
2
4
6
R
= R
B
= 10k
Ω
C = 0.1
μ
F
T
A
= 25°C
DISCHARGE LOW VOLTAGE (V)
V
DD
= 2V
V
DD
= 5V
V
DD
= 18V
D
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
P
0
10
20
30
40
0
600
500
400
300
200
100
T
A
= 70°C
T
A
= -20°C
TEMPERATURE (°C)
N
0
60
80
-0.1
+0.1
0
R
= R
B
= 10k
Ω
C = 0.1
μ
F
40
20
-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
)
1k
Ω
10k
Ω
100k
Ω
1M
Ω
10M
Ω
100M
Ω
10
0.1
1
100
1k
10k
100k
1M
10M
C
1.0
100m
10m
1m
100
μ
10
μ
1
μ
100n
10n
1n
100p
10p
1p
TIME DELAY (s)
1k
Ω
10k
Ω
100k
Ω
1M
Ω
10M
Ω
100M
Ω
10
μ
100n
1
μ
100
μ
1m
10m
100m
1
10
C
1.0
100m
10m
1m
100
μ
10
μ
1
μ
100n
10n
1n
100p
10p
1p
R
A
T
A
= 25°C
ICM7555, ICM7556
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