LM385Z-2.5#TRPBF Linear Technology, LM385Z-2.5#TRPBF Datasheet

IC PREC VOLTAGE REF 2.5V TO-92-3

LM385Z-2.5#TRPBF

Manufacturer Part Number
LM385Z-2.5#TRPBF
Description
IC PREC VOLTAGE REF 2.5V TO-92-3
Manufacturer
Linear Technology
Datasheet

Specifications of LM385Z-2.5#TRPBF

Reference Type
Shunt
Voltage - Output
2.5V
Tolerance
±75mV
Temperature Coefficient
20ppm/°C
Number Of Channels
1
Current - Cathode
8µA
Current - Output
20mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Through Hole
Package / Case
TO-92-3 (Standard Body), TO-226
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Input
-
Current - Quiescent
-

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FEATURES
APPLICATIO S
TYPICAL APPLICATIO
Portable Meter References
Portable Test Instruments
Battery-Operated Systems
Panel Meters
Current Loop Instrumentation
20 A to 20mA Operating Range
Guaranteed 1% Initial Voltage Tolerance
Guaranteed 1 Dynamic Impedance
Very Low Power Consumption
I
Q
2 MERCURY
CELLS 2.6V
50 A
Thermocouple Cold Junction Compensator
U
16k
LM385-2.5
1M
TYPE K
U
950
100k W.W.
ZERO
+
METER
LM334
V
V
450
IN
DESCRIPTIO
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 20 A. The nominal voltage is
2.5V with both 1% and 2% tolerances available. Some
additional features are: maximum dynamic impedance of
1 , 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.
R
SET
, LTC and LT are registered trademarks of Linear Technology Corporation.
10k ADJUST
FOR 12.17mV
AT 25 C
ACROSS 450
LM185-2.5 TA01
2k
Micropower Voltage
LM285-2.5/LM385-2.5
U
–4
16
12
8
4
0
0.01
–55 C
Reverse Voltage Change
0.1
T
REVERSE CURRENT (mA)
A
+125 C
Reference
LM185-2.5/
1
10
LM185-2.5 TA02
100
1

Related parts for LM385Z-2.5#TRPBF

LM385Z-2.5#TRPBF Summary of contents

Page 1

... 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 SET LM334 100k W.W. – ...

Page 2

... LM385BH-2.5 3-LEAD TO-92 PLASTIC (NOTE 100 C, JMAX TOP VIEW (DO NOT USE) S8 PACKAGE 8-LEAD PLASTIC 150 C, = 220 C/W JMAX JA ORDER PART NUMBER BOTTOM VIEW LM285Z-2.5 LM385Z-2.5 LM385BZ-2.5 Z PACKAGE (NOTE 3) = 160 C/W JA ORDER PART NUMBER LM285S8-2.5 LM385S8-2.5 LM385BS8-2.5 S8 PART MARKING 2852 3852 3852B ...

Page 3

ELECTRICAL C HARA TERISTICS C temperature range, otherwise specifications are at T SYMBOL PARAMETER V Reverse Breakdown Voltage Z V Average Temperature Coefficient Z Temp I Minimum Operating Current MIN V Reverse Breakdown Voltage Z I Change With Current R ...

Page 4

LM185-2.5/ LM285-2.5/LM385-2 TYPICAL PERFOR A Reverse Characteristics 100 – 125 0.1 0 0.5 1.0 1.5 2.0 2.5 3.0 REVERSE VOLTAGE (V) LM185-2.5 • TPC01 Reverse Dynamic Impedance 1000 f = 25Hz –55 C ...

Page 5

CHE AGRA 100k PACKAGE DESCRIPTIO 0.209 – 0.219 (5.309 – 5.537) 0.178 – 0.195 (4.521 – 4.953) 0.500 (12.700) MIN REFERENCE PLANE 0.016 – 0.021** (0.406 – 0.533) DIA ...

Page 6

LM185-2.5/ LM285-2.5/LM385-2.5 PACKAGE DESCRIPTIO 0.010 – 0.020 (0.254 – 0.508) 0.008 – 0.010 (0.203 – 0.254) 0.016 – 0.050 (0.406 – 1.270) * DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE ** DIMENSION ...

Page 7

... BSC Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of circuits as described herein will not infringe on existing patent rights Package 3-Lead Plastic TO-92 (Similar to TO-226) (Reference LTC DWG # 05-08-1410) 0 ...

Page 8

... FAX: (408) 434-0507 S LM334 2.5V OPERATION OVER A WIDE SUPPLY RANGE COMMENTS 0.05% Initial Accuracy, 10ppm/ C Maximum Tempco Output Voltage: 1.25V, 2.5V, 4.096V and 5V www.linear.com + V + 3.7V V 30V R 2.7k 2.5V LM385-2.5 LM185-2.5 TA03 185fc LT/CP 0801 1.5K REV C • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1992 ...

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