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LM385-CSBG View Datasheet(PDF) - Analog Intergrations

Part Name
Description
Manufacturer
LM385-CSBG
AIC
Analog Intergrations AIC
LM385-CSBG Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
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. On-
chip 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 de-
vice 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
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