LM385BS8-2.5#PBF datasheet, PDF

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LM385BS8-2.5#PBF: DescriptionIC VREF SHUNT 2.5V 8SOIC; Categorysemiconductor Power management; File Size152KB，8 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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LM385BS8-2.5#PBF Overview

IC VREF SHUNT 2.5V 8SOIC

LM385BS8-2.5#PBF Parametric

Parameter Name	Attribute value
Reference type	shunt
Output type	fixed
Voltage - Output (minimum/fixed)	2.5V
Current - Output	20mA
Tolerance	±1.5%
Temperature Coefficient	Standard value 20ppm/°C
Noise - 0.1Hz to 10Hz	-
Noise - 10Hz to 10Hz	120µVrms
Voltage - input	-
Current - Power	-
Current - cathode	20µA
Operating temperature	0°C ~ 70°C（TA）
Installation type	surface mount
Package/casing	8-SOIC (0.154", 3.90mm wide)
Supplier device packaging	8-SOIC

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LM185-2.5/

LM285-2.5/LM385-2.5

Micropower Voltage

Reference

FEATURES

DESCRIPTIO

20µA to 20mA Operating Range

Guaranteed 1% Initial Voltage Tolerance

Guaranteed 1Ω Dynamic Impedance

Very Low Power Consumption

APPLICATIO 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

≈

50µA

16k

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)

LM334

100k W.W.

ZERO

–

SET

TYPE K

–

METER

Reverse Voltage Change

–55°C

≤

+125°C

–4

0.01

0.1

REVERSE CURRENT (mA)

100

LM185-2.5 TA02

LM385BS8-2.5#PBF Related Products

	LM385BS8-2.5#PBF	LM285Z-2.5#TRPBF	LM285Z-2.5#PBF	LM285S8-2.5#TR	LM285S8-2.5#PBF	LM385BS8-2.5#TR
Description	IC VREF SHUNT 2.5V 8SOIC	IC VREF SHUNT 2.5V TO92-3	IC VREF SHUNT 2.5V TO92-3	IC 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PDSO8, 0.150 INCH, PLASTIC, SOP-8, Voltage Reference	IC 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PDSO8, 0.150 INCH, PLASTIC, SOP-8, Voltage Reference	IC 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PDSO8, 0.150 INCH, PLASTIC, SOP-8, Voltage Reference
Is it Rohs certified?	-	conform to	conform to	incompatible	conform to	incompatible
Maker	-	Linear ( ADI )	-	Linear ( ADI )	Linear ( ADI )	Linear ( ADI )
Parts packaging code	-	TO-92	TO-92	SOIC	SOIC	SOIC
Contacts	-	3	3	8	8	8
Reach Compliance Code	-	compliant	compliant	compliant	compli	compli
package instruction	-	-	TO-92, SIP3,.1,50	SOP,	SOP, SOP8,.25	0.150 INCH, PLASTIC, SOP-8
ECCN code	-	-	EAR99	EAR99	EAR99	EAR99
Analog Integrated Circuits - Other Types	-	-	TWO TERMINAL VOLTAGE REFERENCE	TWO TERMINAL VOLTAGE REFERENCE	TWO TERMINAL VOLTAGE REFERENCE	TWO TERMINAL VOLTAGE REFERENCE
JESD-30 code	-	-	O-PBCY-T3	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8
JESD-609 code	-	-	e3	e0	e3	e0
Number of functions	-	-	1	1	1	1
Output times	-	-	1	1	1	1
Number of terminals	-	-	3	8	8	8
Maximum operating temperature	-	-	85 °C	85 °C	85 °C	70 °C
Maximum output voltage	-	-	2.538 V	2.538 V	2.538 V	2.538 V
Minimum output voltage	-	-	2.462 V	2.462 V	2.462 V	2.462 V
Nominal output voltage	-	-	2.5 V	2.5 V	2.5 V	2.5 V
Package body material	-	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	-	-	TO-92	SOP	SOP	SOP
Package shape	-	-	ROUND	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	-	-	CYLINDRICAL	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE
Certification status	-	-	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum supply current (Isup)	-	-	20 mA	20 mA	20 mA	20 mA
Maximum supply voltage (Vsup)	-	-	30 V	30 V	30 V	30 V
Minimum supply voltage (Vsup)	-	-	3.7 V	3.7 V	3.7 V	3.7 V
surface mount	-	-	NO	YES	YES	YES
technology	-	-	BIPOLAR	BIPOLAR	BIPOLAR	BIPOLAR
Maximum voltage temperature coefficient	-	-	888 ppm/°C	888 ppm/°C	888 ppm/°C	888 ppm/°C
Temperature level	-	-	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	COMMERCIAL
Terminal surface	-	-	MATTE TIN	Tin/Lead (Sn/Pb)	Matte Tin (Sn)	Tin/Lead (Sn/Pb)
Terminal form	-	-	THROUGH-HOLE	GULL WING	GULL WING	GULL WING
Terminal pitch	-	-	1.27 mm	1.27 mm	1.27 mm	1.27 mm
Terminal location	-	-	BOTTOM	DUAL	DUAL	DUAL
Fine-tuning/adjustable output	-	-	NO	NO	NO	NO

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