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LMC7211BIM5X/NOPB
Tiny CMOS Comparator with Rail-to-Rail Input
LMC7211-N
www.ti.com SNOS746F –MAY 2004–REVISED JANUARY 2013
LMC7211 Tiny CMOS Comparator with Rail-to-Rail Input and Push-Pull Output
Checkfor Samples: LMC7211-N
1FEATURES APPLICATIONS Tiny SOT 23-5 package saves space • Battery Powered Products Packageis less than 1.43 mm thick • Notebooks and PDAs Guaranteed specsat 2.7V, 5V, 15V supplies • PCMCIA cards Typical supply current7 μAat 5V • Mobile Communications Response timeof4μsat 5V • Alarm and Security circuits Push-pull output • Direct Sensor Interface Input common-mode range beyond V− and V+ • Replaces amplifiers usedas comparators with
better performance and lower current• Low input current
DESCRIPTIONThe LMC7211isa micropower CMOS comparator availablein the space saving SOT23-5 package. This makes
the comparator ideal for space and weight critical designs. The LMC7211is suppliedin two offset voltage
grades,5 mV and15 mV.
The main benefitsof the Tiny package are most apparentin small portable electronic devices, such as mobile
phones, pagers, notebook computers, personal digital assistants, and PCMCIA cards. The rail-to-rail input
voltage makes the LMC7211a good choice for sensor interfacing, such as light detector circuits, optical and
magnetic sensors, and alarm and status circuits.
The Tiny Comparator's outside dimensions (lengthx widthx height)of 3.05mmx 3.00mmx 1.43mm allowittofit
into tight spaceson PC boards.
See the LMC7221fora comparator withan open-drain output.
CONNECTION DIAGRAM 5-Pin SOT23-5 Top View protection. The leads shouldbe shorted togetheror placed
during storage electrostatic damagetothe MOS gates.
