Datasheet search engine for electronic components and semiconductors. Fan motor control speed with lm339 fan speed control lm339 advanced micro systems 1. Onsemi single supply quad comparators,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Lm339 low power quad voltage comparator, lm339dt, lm339pt, lm339apt, lm339ad, lm339d, lm339qt, lm339adt, stmicroelectronics. The lm339 operates with a single power supply over a wide range of voltages and has a very low offset voltage of 2 millivolts. Its either all the way on near vcc or off near 0 volts. Stmicroelectronics lowpower quad voltage comparators,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. General purpose plastic rectifier 1n4001 thru 1n4007 vishay. My input reference would be 1v and if the input voltage through the other input. Lm339 datasheet search and download, lm339 data sheet, lm339 pdf.
What is the difference between op amps and comparators. Quad single supply comparators, lm339 datasheet, circuit, data sheet, alldatasheet, datasheet search site for electronic components and semiconductors, diodes, triacs, and other semiconductors. How to build an lm339 quad voltage comparator circuit. Lm339an analog comparators are available at mouser electronics. Lm339 d 1 lm339, lm339e, lm239, lm2901, lm2901e, lm2901v, ncv2901, mc3302 single supply quad comparators these comparators are designed for use in level detection, low.
The lm339 and lm339a are characterized for operation from 0c to 70c. Electrical characteristics lm9, lm239, lm339 619 doc id 2159 rev 3 trel large signal response time rl 5. It compares these voltage inputs and determines which is the larger value. P thin shrink small outline package tssop only available in tape. Lm339, lm239, lm2901, lm2901v, ncv2901, single supply quad. Simple analogtodigital converters adcs pulse, squarewave, and time delay generators oneshot multivibrator with input lock out. These devices consist of four independent voltage comparators that are. An important notice at the end of this data sheet addresses availability, warranty, changes, use in safetycritical applications, intellectual property matters and other important disclaimers. Lmx39n, lm2901n, lm3302n lowpower lowoffset voltage quad.
Motorola quad single supply comparators,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Lm339, lm239, lm9, lm2901 quad differential comparators. Lm339n datasheet pdf, lm339n data sheet, lm339n, lm339n. Lm2901 datasheet and pinout quad differential voltage. This means it is composed internally of one comparator. Description u1 lm339 quad comparator ic d1, d2 1n4001 silicon diode, is used to supply the final current gain needed to drive the fan motor. An important notice at the end of this data sheet addresses availability, warranty, changes, use in safetycritical applications, intellectual property matters.
In addition with four of those comparators on board the device can compare four pairs of voltage signals at a time which comes in handy in some applications. These comparators are designed for use in level detection, lowlevel sensing and memory applications in consumer automotive and industrial electronic applications. Lm339 pdf, lm339 description, lm339 datasheets, lm339 view. Lm393 family, lm339 family, lm2903 family, lm2901 family.
Mar 15, 2010 blog entry working with the comparator circuit march 15, 2010 by rwb, under electronics sometimes in the embedded system world we need to process the analog world and sending the signal to the microcontroller when the analog signal exceed some predetermine limit weve set. The lm9 and lm9a are characterized for operation over the full military temperature range of 55c to 125c. Lm9lm239lm339lm2901 lm3302 low power low offset voltage quad comparators march 2004. However, you need to know functions of every pins before it can work better for you. We can avoid this by connecting all input pins to the ground. This comparator is designed for use in level detection, lowlevel sensing and memory applications in consumer automotive and industrial electronic applications. Lm9, lm239, lm339 lowpower quad voltage comparators datasheet production data features wide single supply voltage range or dual supplies for all devices. These devices offer a separate logic ground pin that is tied to logic common.
Open collector outputs for wired and connectors low input bias current 25na typ. The lm339 and lm339a devices are characterized for operation from 0c to 70c. This kit is centered around the very popular lm339 quad, precision voltage. This means that up to 4 different input values can be compared. Revised june 20041post office box 655303 dallas, texas 75265d single supply or dual suppliesd wide range of supply voltage max rating. The lm239 and lm239a are characterized for operation from 25c to 125c. Lm339, lm239, lm9, lm2901 quad differential comparators 1 1 features 1 wide supply ranges single supply. Lm339 datasheet, lm339 datasheets, lm339 pdf, lm339 circuit. V i lm393 lm339 family lm2903lm2901 family parameter vf s1 s2 s3 vcc gnd ek vicr vcc gnd ek vicr calculation input offset voltage vf1 on on on 5 to 30 0 1.
If youre using a circuit designed for an lm339, connect this to the v pin. Lm339 description the lm339 consists of four independent voltage comparators. Single supply quad comparators these comparators are designed for use in level detection, low. Ti, alldatasheet, datasheet, datasheet search site for electronic components and. Lm339, lm239, lm9, lm2901 quad differential comparators 1 1 features 1 wide supply ranges. To further help with your circuit development, you also get a nightfire 162. C maximum junction temperature and a thermal resistance of 95. Jan 08, 2020 the lm339 circuit may cause oscillated easily. Aug 25, 2010 lm311 is a single comparator version of the lm339. Is there a way in which the opposite can be achieved using the same chip. In addition with four of those comparators on board the device can compare four pairs of voltage signals at. Cw which applies for the device soldered in a printed circuit board, operating in a still air ambient. Free packages are available single or split supply operation.
Lm339 d lm339, lm239, lm2901, lm2901v, ncv2901, mc3302 maximum ratings rating power. The datasheet says the common voltage range should not exceed the lm339 s positive supply minus 1. In this test circuit we use a 12volt bipolar power supply. Htc quad voltage comparator,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Single or dual supply operation wide range of supply voltage 36v or 28v or 14v low supply current drain 800a typ. Lm9lm239lm339lm2901lm3302 low power low offset voltage. Some comparators like the lm311 cannot compare voltages at ground potential due to limitations in the common mode input voltage range so they require a negative rail to power the analog section. Lm339 comparators datasheet pdf voltage comparators. Lm339 single supply quad comparators on semiconductor. Data sheet type data sheet application notes type application notes, lm339, lm239, lm2901, lm2901v, ncv2901, mc3302 single supply quad comparators these comparators, order number.
How to build a voltage comparator circuit with an lm311. Lm9lm239lm339lm2901lm3302 low power low offset voltage quad comparators march 2004. How to build a voltage comparator circuit using an lm311. Lm339, lm339a, lm239, lm239a, lm2901, m2901v, mc33023motorola analog ic device datafigure 2. Also operation from dual supplies is possible, as long as the difference between the two supplies is 2 v to 36 v. Lm339 is a voltage comparator ic from lmx39x series and is manufactured by many industries. The comparator will provide a proper output state even if the positive swing of the inputs exceeds the power supply voltage level, if the other. Utc quad differential comparator,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Lm339 datasheet quad differential comparator national. Lm339 low power quad voltage comparator stmicroelectronics. Lm339n analog comparators are available at mouser electronics.
The lm339 pinout diagram is as shown in the picture below. Bob pease has an excellent article on how far you can push a comparator. For operating at high temperatures, the lm339lm339a, lm2901, lm3302 must be derated based on a 125. We will go over how to build a voltage comparator circuit the simplest way using the lm311 comparator ic. Lm339lm339a, lm239a, lm2901 2 schematic diagram absolute maximum ratings parameter symbol value unit supply voltage vcc 18 or 36 v differential input voltage vidiff 36 v input voltage vi0. For lm339, you need to set the supply voltage so that just one of. Onsemi, alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Symbol 1n4001 1n4002 1n4003 1n4004 1n4005 1n4006 1n4007 unit. The devices consist of four independent voltage comparators that are designed to operate from a single power supply.
Features single or split supply operation low input bias current. Single supply quad comparators, lm339 datasheet, lm339 circuit, lm339 data sheet. The lm2901 is characterized for operation from 40c to 125c. Lm339d 1 lm339, lm239, lm2901, lm2901v, ncv2901, mc3302 single supply quad comparators these comparators are designed for use in level detection, low. Diode, 1n4001, 100v, 1 amp, rectifier, axial, 5 ea.
A comparator is often an operational amplifier without feedback between the inputs and output. Lm339n, lm339 low power quad comparator, buy lm339n. Ta, ambient temperature c datasheet search, datasheets, datasheet search site for electronic components and semiconductors, integrated circuits, diodes and other semiconductors. Output sink current versus datasheet search, datasheets, datasheet search site for electronic components and. The direction of the input current is out of the ic due to the pnp input stage.
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