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LM385S8-2.5

Description
1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PDSO8
CategoryPower/power management    The power supply circuit   
File Size142KB,8 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Related ProductsFound15parts with similar functions to LM385S8-2.5
Download Datasheet Parametric View All

LM385S8-2.5 Overview

1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PDSO8

LM385S8-2.5 Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerLinear ( ADI )
Parts packaging codeSOIC
package instruction0.150 INCH, PLASTIC, SOP-8
Contacts8
Reach Compliance Code_compli
ECCN codeEAR99
Analog Integrated Circuits - Other TypesTWO TERMINAL VOLTAGE REFERENCE
JESD-30 codeR-PDSO-G8
JESD-609 codee0
length4.9 mm
Humidity sensitivity level1
Number of functions1
Output times1
Number of terminals8
Maximum operating temperature70 °C
Minimum operating temperature
Maximum output voltage2.575 V
Minimum output voltage2.425 V
Nominal output voltage2.5 V
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP8,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Maximum seat height1.752 mm
Maximum supply current (Isup)20 mA
Maximum supply voltage (Vsup)30 V
Minimum supply voltage (Vsup)3.7 V
surface mountYES
technologyBIPOLAR
Maximum voltage temperature coefficient888 ppm/°C
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Fine-tuning/adjustable outputNO
Maximum voltage tolerance3%
width3.9 mm
LM185-2.5/
LM285-2.5/LM385-2.5
Micropower Voltage
Reference
FEATURES
s
s
s
s
DESCRIPTIO
20µA to 20mA Operating Range
Guaranteed 1% Initial Voltage Tolerance
Guaranteed 1Ω Dynamic Impedance
Very Low Power Consumption
APPLICATIO S
s
s
s
s
s
Portable Meter References
Portable Test Instruments
Battery-Operated Systems
Panel Meters
Current Loop Instrumentation
The LM185-2.5 is a two-terminal band gap reference
diode that has been designed for applications which
require precision performance with micropower opera-
tion. The device provides guaranteed operation specifica-
tions at currents as low as 20µA. The nominal voltage is
2.5V with both 1% and 2% tolerances available. Some
additional features are: maximum dynamic impedance of
1Ω, low noise and excellent stability over time and tem-
perature. The advanced design, processing and testing
techniques make Linear’s LM185-2.5 a superior choice
over previous designs. A circuit for cold junction compen-
sation of a thermocouple is shown below.
For applications requiring guaranteed temperature drift,
see the LT1034 data sheet.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
Thermocouple Cold Junction Compensator
I
Q
50µA
16k
1M
2 MERCURY
CELLS 2.6V
LM385-2.5
950Ω
450Ω
10k ADJUST
FOR 12.17mV
AT 25°C
ACROSS 450Ω
LM185-2.5 TA01
OUTPUT VOLTAGE CHANGE (mV)
V
IN
LM334
100k W.W.
ZERO
V
R
SET
2k
TYPE K
+
METER
U
Reverse Voltage Change
16
–55°C
T
A
+125°C
12
8
4
0
–4
0.01
0.1
1
10
REVERSE CURRENT (mA)
100
LM185-2.5 TA02
U
U
1

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