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AMS385 Datasheet(PDF) 1 Page - Advanced Monolithic Systems |
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AMS385 Datasheet(HTML) 1 Page - Advanced Monolithic Systems |
1 / 8 page Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140 Advanced AMS285/AMS385 Monolithic ADJUSTABLE MICROPOWER VOLTAGE REFERENCE DIODE Systems FEATURES APPLICATIONS •• Adjustable from 1.24V to 5.30V •• Battery Powered Systems •• Operating Current 10µµA to 20mA •• Instrumentation •• 1% and 2% Initial Tolerance •• A/D, D/A Converters •• 1Ω Ω Dynamic Impedance •• Temperature measurement •• Low Temperature Coefficient •• Current sources •• 1.2V Device and 2.5V Device also available •• Notebook/Personal Computer AMS285-1.2 and AMS285-2.5 series, respectively •• Monitors/ VCR/ TV AMS385-1.2 and AMS385-2.5 series. •• Pagers GENERAL DESCRIPTION The AMS285/AMS385 are three-terminal micropower band-gap voltage reference diodes. They feature a very low dynamic impedance and good temperature coefficient, operating from 1.24V to 5.3V and over a 10µA to 20mA current range. On-chip trimming is used to provide tight voltage tolerance. Since the AMS285/AMS385 is a band-gap reference, uses only transistors and resistors, low noise and good long-term stability result. Careful design of the AMS285/AMS385 has made the device exceptionally 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 AMS285/AMS385 makes these reference diodes useful for micropower circuitry. These voltage references can be used to make portable meters, regulators or general purpose analog circuitry with battery life approaching shelf life. Further more, the wide operating current allows it to replace older references with a tight tolerance part. The AMS285 is operational in the full industrial temperature range of -40 °C to 85°C while AMS385 is operating over a 0°C to 70 °C temperature range. The AMS285/AMS385 are available in TO-92, SO-8 and SOT-89 packages. ORDERING INFORMATION: TOL. PACKAGE TYPE OPERATING TO-92 8 LEAD SOIC SOT-89 TEMPERATURE RANGE ± 12mV AMS285AN AMS285AS AMS285AL -40 to 85 ° C ± 25mV AMS285BN AMS285BS AMS285BL -40 to 85 ° C ± 25mV AMS285CN AMS285CS AMS285CL -40 to 85 ° C ± 12mV AMS385AN AMS385AS AMS385AL 0 to 70 ° C ± 25mV AMS385BN AMS385BS AMS385BL 0 to 70 ° C ± 25mV AMS385CN AMS385CS AMS385CL 0 to 70 ° C |
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Similar Description - AMS385 |
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