LM285BXM-2.5 National Semiconductor, LM285BXM-2.5 Datasheet - Page 9

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LM285BXM-2.5

Manufacturer Part Number
LM285BXM-2.5
Description
IC, VOLT REF, 2.5V, MICROPWR, 8SOIC
Manufacturer
National Semiconductor
Datasheet

Specifications of LM285BXM-2.5

Topology
Shunt
Reference Voltage Tolerance
38mV
Voltage Reference Case Style
SOIC
No. Of Pins
8
Operating Temperature Range
-40°C To +85°C
Svhc
No SVHC
Temperature Coefficient
30ppm/°C
Reference Voltage
2.5V
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM285BXM-2.5
Manufacturer:
NS
Quantity:
15
Part Number:
LM285BXM-2.5
Manufacturer:
NS
Quantity:
40
Part Number:
LM285BXM-2.5
Manufacturer:
NS/国半
Quantity:
20 000
Company:
Part Number:
LM285BXM-2.5
Quantity:
1 300
Part Number:
LM285BXM-2.5/NOPB
Manufacturer:
NS/TI
Quantity:
2 400
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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