LM1946N National Semiconductor, LM1946N Datasheet - Page 2

• Manufacturer Part Number: LM1946N
• Description: IC DIAGNOSTIC CIRCUIT 20 DIP
• Manufacturer: National Semiconductor

Specifications of LM1946N

• Function: Current Sense
• Voltage - Input: 9 ~ 26 V
• Current - Output: 20mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 20-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Accuracy: -
• Sensing Method: -
• Other names: *LM1946N; LM1946

Absolute Maximum Ratings
If Military Aerospace specified devices are required
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Supply Voltage (V
Internal Power Dissipation (Note 1)
Electrical Characteristics
Note 1 Thermal resistance from junction to ambient is typically 53 C W (board mounted)
Note 2 The test pin is an active high input i e all five will be forced high when this pin is driven high
Note 3 C
Quiescent Current
Reference Voltage
Reference Voltage
Line Regulation
Iset Voltage
Input Offset Voltage
Input Offset Current
Input Bias Current
Input Common Mode
Voltage Range
Maximum Positive
Input Transient
Maximum Negative
Input Transient
Output Saturation
Voltage
Output Short Circuit
Current
Output Leakage Current
Test Threshold
Voltage
Test Threshold
Current
Survival Voltage (T
Operational Voltage
Parameter
ESD
e
100 pF R
CC
and Input Pins)
s
ESD
100 ms)
e
1 5k
All Outputs ‘‘Off’’
I
9V
Iset
At Output Switch Point V
9V
I
I
Either Input T
Either Input T
I
I
V
V
At Switch Point on Any Output
V
ref
IN(
IN(
O
O
O
O
O
e
e
s
s
a
a
e
e
e
e
e
)
)
2 mA 9V
10 mA 9V
V
V
10 A
b
or I
0V
0V
2V (Note 2)
20 A
CC s
CM s
Internally Limited
I
dc
dc
9V
IN(
IN(
b
Conditions
b
b
Comparator ‘‘ON’’
Comparator ‘‘Off’’
50V to
s
16V I
16V
)
)
s
s
V
s
9V
9V
9V to 26V
CC s
s
100 ms
100 ms
V
ref
s
V
CC s
s
a
CC s
V
V
60V
e
16V Iset
CM s
CM s
10 A
O
16V
16V
e
2
16V
16V
2V
e
Output Short Circuit to Ground or V
Operating Temperature Range (T
Maximum Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering 10 sec )
ESD Susceptibility (Note 3)
20 A T
18 00
b
1 20
4 00
0 80
Min
5 8
j
60
20
e
50
25 C (unless otherwise specified)
g
20 00
g
b
1 40
1 40
0 80
1 00
0 01
1 25
Typ
6 4
g
0 2
70
45
0 10
1 0
60
5
A
)
CC
g
22 00
120 0
g
g
Max
3 00
1 60
26 0
1 00
1 20
1 00
2 00
7 0
1 00
5 0
50
b
b
65 C to
40 C to
Continuous
a
a
a
a
Units
mA
mV
mV
mA
150 C
150 C
260 C
V
V
V
V
V
V
600V
A
A
A
A
85 C
V
V
dc
dc
dc
dc
dc
dc
dc
dc
dc
dc
dc
dc
dc
dc