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GENERAL DESCRIPTION

The AMS285-1.2/AMS385-1.2 are two-terminal micropower band-gap voltage reference diodes. They feature a very low dynamic impedance and good temperature coefficient, operating over a 10μA to 20mA current range. On-chip trimming is used to provide tight voltage tolerance. Since the AMS285-1.2/AMS385-1.2 is a band-gap reference, uses only transistors and resistors, low noise and good long-term stability result. Careful design of the AMS285-1.2/AMS385-1.2 has made the device exceptionally tolerant of capacitive loading, making it easy to use in almost any reference application.

FEATURES

? ±4 mV (±0.3) max. initial tolerance (A grade)

? Operating Current 10mA to 20mA

? Low Voltage Reference 1.235

? Max. 0.6W Dynamic Impedance (A grade)

? Low Temperature Coefficient

? 2.5V Device and Adjustable Device also available

AMS285-2.5 and AMS285 series, respectively

AMS385-2.5 and AMS385 series.

APPLICATIONS

? Battery Powered Systems

? Instrumentation

? A/D, D/A Converters

? Temperature measurement

? Current sources

? Notebook/Personal Computer

? Monitors/ VCR/ TV

? Pagers