LM385BM-2.5/NOPB National Semiconductor, LM385BM-2.5/NOPB Datasheet - Page 9
![IC VOLT REF DIODE 2.5V 8-SOIC](/photos/6/56/65640/pkg_m08a_sml.jpg)
LM385BM-2.5/NOPB
Manufacturer Part Number
LM385BM-2.5/NOPB
Description
IC VOLT REF DIODE 2.5V 8-SOIC
Manufacturer
National Semiconductor
Datasheet
1.LM385MX-2.5NOPB.pdf
(16 pages)
Specifications of LM385BM-2.5/NOPB
Reference Type
Shunt
Voltage - Output
2.5V
Tolerance
±1.5%
Temperature Coefficient
150ppm/°C
Number Of Channels
1
Current - Cathode
30µA
Current - Output
20mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Fixed / Adjust / Prog
Precision
Output Voltage (max)
2.5V
Reference Voltage Accuracy (max)
3
Load Regulation
20mV
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
8
Package Type
SOIC N
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Input
-
Current - Quiescent
-
Lead Free Status / Rohs Status
Compliant
Other names
*LM385BM-2.5
*LM385BM-2.5/NOPB
LM385BM-2.5
*LM385BM-2.5/NOPB
LM385BM-2.5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM385BM-2.5/NOPB
Manufacturer:
NS/TI
Quantity:
100
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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