LM385Z-2.5/NOPB National Semiconductor, LM385Z-2.5/NOPB Datasheet - Page 9
LM385Z-2.5/NOPB
Manufacturer Part Number
LM385Z-2.5/NOPB
Description
IC VOLT REF DIODE 2.5V TO92-3
Manufacturer
National Semiconductor
Type
Voltage Referencer
Specifications of LM385Z-2.5/NOPB
Reference Type
Shunt
Voltage - Output
2.5V
Tolerance
±3%
Temperature Coefficient
150ppm/°C
Number Of Channels
1
Current - Cathode
30µA
Current - Output
20mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Through Hole
Package / Case
TO-92-3 (Standard Body), TO-226
Current, Output
20 mA
Current, Supply
13 μA
Package Type
TO-92
Temperature, Operating, Range
0 to +70 °C
Voltage, Breakdown, Reverse
2.5 V
Voltage, Noise
120 μV
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Input
-
Current - Quiescent
-
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Other names
*LM385Z-2.5
*LM385Z-2.5/NOPB
LM385Z-2.5NS
*LM385Z-2.5/NOPB
LM385Z-2.5NS
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM385Z-2.5/NOPB
Manufacturer:
TI/德州仪器
Quantity:
20 000
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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