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AMS385-25CL Datasheet(PDF) 1 Page - Advanced Monolithic Systems |
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AMS385-25CL 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 AMS285-2.5/AMS385-2.5 Monolithic MICROPOWER VOLTAGE REFERENCE DIODE Systems FEATURES APPLICATIONS •• ±20 mV (±0.8%) max. initial tolerance (A grade) •• Battery Powered Systems •• Operating Current 20µµA to 20mA •• Instrumentation •• Low Voltage Reference 2.5V •• A/D, D/A Converters •• Max. 0.6Ω Ω Dynamic Impedance (A grade) •• Temperature measurement •• Low Temperature Coefficient •• Current sources •• 1.2V Device and Adjustable Device also available •• Notebook/Personal Computer AMS285-1.2 and AMS285 series, respectively •• Monitors/ VCR/ TV AMS385-1.2 and AMS385 series. •• Pagers GENERAL DESCRIPTION The AMS285-2.5/AMS385-2.5 are two-terminal micropower band-gap voltage reference diodes. They feature a very low dynamic impedance and good temperature coefficient, operating over a 20µA to 20mA current range. On-chip trimming is used to provide tight voltage tolerance. Since the AMS285-2.5/AMS385-2.5 is a band-gap reference, uses only transistors and resistors, low noise and good long term stability result. Careful design of the AMS285-2.5/AMS385-2.5 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 AMS285-2.5/AMS385-2.5 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 AMS285-2.5 is operational in the full industrial temperature range of -40 °C to 85°C while AMS385-2.5 is operating over a 0 °C to 70°C temperature range. The AMS285-2.5/AMS385-2.5 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 ± 20mV AMS285-2.5AN AMS285-2.5AS AMS285-2.5AL -40 to 85 ° C ± 38mV AMS285-2.5BN AMS285-2.5BS AMS285-2.5BL -40 to 85 ° C ± 75mV AMS285-2.5CN AMS285-2.5CS AMS285-2.5CL -40 to 85 ° C ± 20mV AMS385-2.5AN AMS385-2.5AS AMS385-2.5AL 0 to 70 ° C ± 38mV AMS385-2.5BN AMS385-2.5BS AMS385-2.5BL 0 to 70 ° C ± 75mV AMS385-2.5CN AMS385-2.5CS AMS385-2.5CL 0 to 70 ° C |
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