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LM385

Analog Integrations Corporation
Part Number LM385
Manufacturer Analog Integrations Corporation
Description Adjustable Micropower Voltage Reference
Published Oct 12, 2015
Detailed Description LM385/LM385B Adjustable Micropower Voltage Reference n FEATURES l Adjustable from 1.24V to 5.3V. l Operating Current f...
Datasheet PDF File LM385 PDF File

LM385
LM385

Overview
LM385/LM385B Adjustable Micropower Voltage Reference n FEATURES l Adjustable from 1.
24V to 5.
3V.
l Operating Current from 10µA to 20mA.
l Low Temperature Coefficient.
l 1% and 2% Initial Tolerance.
l Low Dynamic Impedance.
n APPLICATIONS l Portable, Battery-Powered Equipment.
l Instrumentation.
l Process Control.
l Energy Management.
l Product Testing.
l Automotive.
l Precision Audio Components.
n TYPICAL APPLICATION CIRCUIT V IN RS + LM385 - 1.
24V IR FB Precision 1.
24V Voltage Reference n DESCRIPTION The LM385 is micropower 3-terminal adjustable band-gap voltage reference.
Operating from 1.
24V to 5.
3V and over 10µA to 20mA current range.
They feature exceptionally low dynamic impedance and good temperature stability.
Onchip trimming is used to achieve tight voltage tolerance.
Since the LM385 band-gap reference uses only transistors and resistors, low noise and good longterm stability result.
Careful design of the LM385 has made the device tolerant of capacitive loading, making it easy to use in almost any reference application.
The wide dynamic operating range allows its use with widely varying supplies with excellent regulation.
The extremely low power drain of the LM385 makes it useful for micropower circuitry.
This voltage reference can be used to make portable meters, regulators or general purpose analog circuitry with battery life approaching shelf life.
Further, the wide operating current allows it to replace older references with a tighter tolerance part.
Analog Integrations Corporation 4F, 9 Industry E.
9th Rd, Science-Based Industrial Park, Hsinchu, Taiwan TEL: 886-3-5772500 FAX: 886-3-5772510 www.
analog.
com.
tw DS-385B-01 012102 1 LM385/LM385B n ORDERING INFORMATION LM385X-CXXX PACKING TYPE BG: BAG TR: TAPE & REEL TB: TUBE (for SO-8) PACKAGE TYPE X: SOT-89 Z: TO-92 S: SMALL OUTLINE TOLERANCE Default: 2% B: 1% Example: LM385-CXTR à 2% version, in SOT-89 Package & Taping & Reel Packing Type (CS is not available in BAG packing type.
) PIN CONFI...


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