LM185H-2.5/883 National Semiconductor, LM185H-2.5/883 Datasheet - Page 9

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LM185H-2.5/883

Manufacturer Part Number
LM185H-2.5/883
Description
Manufacturer
National Semiconductor
Datasheet

Specifications of LM185H-2.5/883

Fixed / Adjust / Prog
Precision
Output Voltage (max)
2.5V
Temperature Coefficient
150ppm/°C
Reference Voltage Accuracy (max)
1.5
Load Regulation
10mV
Operating Temp Range
-55C to 125C
Operating Temperature Classification
Military
Mounting
Through Hole
Pin Count
2
Package Type
TO-46
Lead Free Status / Rohs Status
Not Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM185H-2.5/883
Manufacturer:
RECTIFIER
Quantity:
8 500
Part Number:
LM185H-2.5/883C
Manufacturer:
LT
Quantity:
20
Adjustment Procedure
1.
2.
Typical supply current 50 μA
Adjust TC ADJ pot until voltage across R1 equals Kelvin temperature multiplied by the thermocouple Seebeck coefficient.
Adjust zero ADJ pot until voltage across R2 equals the thermocouple Seebeck coefficient multiplied by 273.2.
Thermocouple
Micropower Thermocouple Cold Junction Compensator
Type
T
K
S
J
Improving Regulation of Adjstable Regulators
Seebeck
efficient
(
μ
52.3
42.8
40.8
Co-
V/°C)
6.4
63.4 150Ω
523 1.24k
432
412 953Ω
(Ω)
R1
9
(Ω)
R2
1k
Across R1
551907
Voltage
@25°C
15.60
12.77
12.17
1.908
(mV)
Across R2
551906
Voltage
14.32
11.78
11.17
1.766
(mV)
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