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LM1042N View Datasheet(PDF) - National ->Texas Instruments

Part NameLM1042N National-Semiconductor
National ->Texas Instruments National-Semiconductor
DescriptionFluid Level Detector
LM1042N Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
Absolute Maximum Ratings
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Supply Voltage VCC
32V
Voltage at Pin 8
32V
Positive Peak Voltage (Pins 6 8 3) (Note 1)
10 ms 2A
50V
Output Current Pin 4 (I4)(sink)
10 mA
Output Current Pin 11 (source)
Output Current Pin 16
Operating Temperature Range
Storage Temperature Range
Lead Temperature (Soldering 10 sec )
Package Power Dissipation
TA e 25 C (Note 8)
Device Power Dissipation
25 mA
g10 mA
b40 C to a80 C
b55 C to a150 C
260 C
1 8W
0 9W
Electrical Characteristics
VCC e 13V TA within operating range except where stated otherwise CT e 22 mF RT e 12k
Symbol
Parameter
Conditions
Tested Limits
(Note 2)
Min
Max
Design Limits
(Note 3)
Min
Typ Max
VCC
Supply Voltage
75
18
75
IS
Supply Current
35
VREG
Regulated Voltage
Pins 15 and 11 connected
57
6 15
5 65
Stability Over VCC Range
Referred to value at
VCC e 13V (Note 4)
g0 5
V6 – V3
Probe Current
Reference Voltage
2 15
2 35
2 10
13
18
35
59 62
g0 5
2 25 2 40
T1
T2 – T1
T4 – T1
TSTAB
RT
V8
V8
I8
I8
V16
Probe Current Regulation
Over VCC Range
Ramp Timing
(Note 4)
See Figure 5
Ramp Timing
Ramp Timing Stability
Ramp Resistor Range
Start Input Logic High Level
Start Input Logic Low Level
Start Input Current
Start Input Current
Maximum Output Voltage
Minimum Output Voltage
Over VCC Range
V8 e VCC
V8 e 0V
RL e 600X from
Pin 16 to VREG
g0 5
g0 8
20
37
15
31
42
3
16
14
21
14
1 75 2 1
a5
g5
3
15
3
15 0
17
17
05
05
100
100
300
300
VREGb0 3
VREGb0 3
05
02 06
PROBE 1
G1
Probe 1 Gain
Non-linearity of G1
Pin 1 80 mV to 520 mV
(Notes 6 7)
Pin 1 80 mV to 520 mV
(Note 7)
99
10 4
10 15
b1
a1
b2
0
2
OS1
Pin 1 Offset
PROBE 2
G2
Probe 2 Gain
Non-linearity of G2
(Note 7)
Pin 7 240 mV to 1 562V
(Note 7)
Pin 7 240 mV to 1 562V
(Note 7)
3 31
3 49
b1
a1
b2
g5
34
02
2
OS7
Pin 7 Offset
(Note 7)
g5
R7
Input impedance
5
Units
V
mA
V
%
V
%
ms
ms
s
%
kX
V
V
nA
nA
V
V
%
mV
%
mV
MX
2
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