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ISL21440IUZ-T13 Folha de dados(PDF) 1 Page - Intersil Corporation |
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ISL21440IUZ-T13 Folha de dados(HTML) 1 Page - Intersil Corporation |
1 / 15 page 1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2009, 2010. All Rights Reserved All other trademarks mentioned are the property of their respective owners. Micropower Voltage Reference with Comparator ISL21440 The ISL21440 is a micropower, FGA™ reference and comparator on a single chip. Drawing less than 1.8µA supply current over the full operating temperature range, the ISL21440 operates from a single 2V to 11V supply and can also be used with split bipolar supplies. The ISL21440’s on-board reference provides a 1.182V ±0.5% output. It features programmable hysteresis and TTL/CMOS compatible outputs that sink and source current. Low Bias currents permit high value divider resistors for typical circuit current drains of <2.5µA. The low supply current makes the ISL21440 ideal for battery powered devices in battery level or low voltage monitors circuits. The ISL21440 is a pin-compatible, performance upgrade of both the LTC1440, LTC1540, MAX921 and MAX931. Features • 1.8µA Supply Current Over Full Temperature Range • Wide Supply Range. . . . . . . . . . . . . . . 2V to 11V • Precision 1.182V ±0.5% Voltage Reference • Comparator with User Programmable Hysteresis • Temperature Range . . . . . . . . . -40°C to +125°C • 8 Ld MSOP and 8 Ld TDFN Packages • Pin Compatible Upgrade to MAX921 and LTC1440 Applications*(see page 13) • Low Battery Detector •Low Voltage Reset • Overvoltage Monitor • Window Comparator Typical Application Reference Voltage vs Temperature V+ OUT IN- HYST GND V- REF IN+ ISL21440 - + VBAT Vdd 2.4M 20k LoBAT- 2.4M 1.8M LOW BATTERY DETECTOR 1.172 1.174 1.176 1.178 1.180 1.182 1.184 1.186 1.188 1.190 -40 -20 0 20 40 60 80 100 120 TEMPERATURE (°C) V+ = 5V V+ = 2V V+ = 3V March 2, 2010 FN6532.1 |
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Descrição semelhante - ISL21440IUZ-T13 |
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