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參數(shù)資料
| 型號(hào)： | LM903 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Fluid Level Detector |
| 中文描述： | 液位檢測(cè)器 |
| 文件頁(yè)數(shù)： | 3/8頁(yè) |
| 文件大?。?/td> | 148K |
| 代理商： | LM903 |
Electrical Characteristics
(Continued)
V
CC
e
12V, C
T
e
33
m
F, R
T
e
7.5 k
X
, T
A
within operating range except where stated otherwise
Tested Limits
(Note 2)
Design Limits
(Note 3)
Symbol
Parameter
Conditions
Units
Min
Max
Min
Typ
Max
V
14
Auxiliary Output
Voltage
Lamp OFF
5.0
V
Lamp ON
1.2
V
V
1
Alarm Level
(Difference Between First
and Second Measurement)
230
280
330
mV
Sensitivity to Electrostatic Discharge:
Pins 7, 10, 13, and 14 will withstand greater than 1500V when tested using 100 pF and 1500
X
in accordance with National
Semiconductor standard ESD test procedures. All other pins will withstand in excess of 2 kV.
Note 1:
Test circuit for overvoltage capability at pins 3, 6, 7.
Note 2:
Guaranteed 100% production tested at 25
§
C. These limits are used to calculate outgoing quality levels.
Note 3:
Limits guaranteed to include parametric variations. T
A
e b
40
§
C to
a
80
§
C and from V
CC
e
7.5V–18V. These limits are not used to calculate AOQL
figures.
Note 4:
Variations over temperature range are not production tested.
TL/H/5699–2
In Lamp ON condition, I
9
should be limited to 600 mA.
Block and Application Circuit
TL/H/5699–3
Memory capacitor on pin 15 is set
HighDLamp off
LowDLamp on
3
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