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139RPFS Datasheet(PDF) 1 Page - Maxwell Technologies |
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139RPFS Datasheet(HTML) 1 Page - Maxwell Technologies |
1 / 9 page 1 All data sheets are subject to change without notice (858) 503-3300 - Fax: (858) 503-3301 - www.maxwell.com Quad Comparators, 139 ©2001 Maxwell Technologies All rights reserved. Low Offset Voltage 12.13.01 Rev1 1000522 FEATURES: • Rad-Pak® technology-hardened against natural space radiation • Total dose hardness: - >100 krad (Si), depending upon orbit and space mission • Single Event Effects: - SEL > 59.8 MeV/mg/cm2 • Package: • - 14 pin Rad-Pak® flat package • Wide supply voltage range - 2 VDC to 36 VDC or ±1 VDC to ±18 VDC • Very low supply current drain: - (0.8 mA) - independent of supply voltage • Low input biasing current: 25 nA • Differential input voltage range equal to the power supply voltage • Low output saturation voltage: 250 mV at 4 mA • Power drain suitable for battery operation • Allows sensing near GND • Eliminates need for dual supplies • Output voltage compatible with TTL, DTL, ECL, MOS and CMOS logic systems • Low input offset current and offset voltage: - +5 nA, +3 mV DESCRIPTION: Maxwell Technologies 139 consisting of four independent pre- cision voltage comparators, features a greater than 100 krad (Si) total dose tolerance, depending upon space mission. Using Maxwell Technologies radiation- hardened Rad-Pak® packaging technology, the 139 has an offset voltage specifica- tion as low as 2 mV max for all four comparators. The 139 was also designed specifically to operate from a single power supply over a wide range of voltages. Operation from split power supplies is possible and the low power supply current drain is independent of the magnitude of the power supply voltage. These comparators also have a unique characteristic in that the input common-mode voltage range includes ground, even though operated from a single power supply voltage. Maxwell Technologies' patented RAD-PAK packaging technol- ogy incorporates radiation shielding in the microcircuit pack- age. It eliminates the need for box shielding while providing the required radiation shielding for a lifetime in orbit or space mission. In a GEO orbit, RAD-PAK provides greater than 100 krad (Si) radiation dose tolerance. This product is available with screening up to Class S. Logic Diagram |
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