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LMC7221BIM5X Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LMC7221BIM5X Datasheet(HTML) 1 Page - National Semiconductor (TI) |
1 / 13 page LMC7221 Tiny CMOS Comparator with Rail-To-Rail Input and Open Drain Output General Description The LM7221 is a micropower CMOS comparator available in the space saving 5-Pin SOT23 package. This makes this comparator ideal for space and weight critical designs. The LMC7221 is also available in the 8-Pin SOIC package. The LMC7221 is supplied in two offset voltage grades, 5 mV and 15 mV. The open drain output can be pulled up with a resistor to a voltage which can be higher or lower than the supply voltage — this makes the part useful for mixed voltage sys- tems. For a tiny comparator with a push-pull output, please see the LMC7211 datasheet. Features n Tiny 5-Pin SOT23 package saves space n Package is less than 1.43 mm thick n Guaranteed specs at 2.7V, 5V, 15V supplies n Typical supply current 7 µA at 5V n Response time of 4 µs at 5V n LMC7221 — open drain output n Input common-mode range beyond V − and V+ n Low input current Applications n Mixed voltage battery powered products n Notebooks and PDAs n PCMCIA cards n Mobile communications n Alarm and security circuits n Driving low current LEDs n Direct sensor interface Connection Diagrams 8-Pin SOIC 01234601 Top View 5-Pin SOT23 01234602 Top View Ordering Information Package Part Number Package Marking Transport Media NSC Drawing 8-Pin SOIC LMC7221AIM LMC7221AIM 95 Units/Rail M08A LMC7221AIMX 2.5k Units Tape and Reel LMC7221BIM LMC7221BIM 95 Units/Rail LMC7221BIMX 2.5k Units Tape and Reel 5-Pin SOT23 LMC7221AIM5 C01A 1k Units Tape and Reel MF05A LMC7221AIM5X 3k Units Tape and Reel LMC7221BIM5 C01B 1k Units Tape and Reel LMC7221BIM5X 3k Units Tape and Reel September 2006 © 2006 National Semiconductor Corporation DS012346 www.national.com |
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