If you opt for a pnp, the leds will light when its input is driven low. Compare pricing for on semiconductor lm339n across 20 distributors and discover alternative parts, cad models, technical specifications, datasheets, and more on octopart. Absolute maximum ratings symbol parameter lm9,a lm239,a lm339,a unit vcc supply voltage 18 to 36 18 to 36 v vid differential input voltage 36 36 v vi input voltage 0. The lm339 quad comparator is a quad operational amplifier comparator which means it is made up with four independent operational amplifiers. The lm239 and lm239a are characterized for operation from 25c to 125c. Lm339n linear integrated circuit sum 1 qwr104001,b quad differential comparator description the lm339 consists of four independent voltage comparators, designed specifically to operate from a single power supply over a wide voltage range. Lm9aj lm339 application note smd lm339 lm9j lm339j lm339 lm2901m lm3302 transistor lm9j. Lowpower quad voltage comparators stmicroelectronics. Transistor datasheet, transistor pdf, transistor data sheet, datasheet, data sheet, pdf. Lm339n datasheet, lm339n national semiconductor quad comparator datasheet, buy lm339n.
Quad voltage comparators for industrial, commercial and military applications, lm339 datasheet, lm339 circuit, lm339 data sheet. In addition to this diode action, there is also lateral npn parasitic transistor action on the ic chip. Quad single supply comparators, lm339 datasheet, lm339 circuit, lm339 data sheet. In the case of the lm358 or lm741 it outputs a voltage while the open collector turns on creating a path to ground an electronic onoff switch.
Lm339 datasheet, lm339 pdf, lm339 data sheet, lm339 manual, lm339 pdf, lm339, datenblatt, electronics lm339, alldatasheet, free, datasheet, datasheets, data sheet. First of all, it compares the 2 different inputs applied at the input terminal and then gives the output in digital form in order to indicate which of the input applied has a larger amplitude. We can avoid this by connecting all input pins to the ground. They are also designed to operate over a wider range of supply voltages. The response time specified is for a 100 mv input step with 5. The lm339 consists of four independent voltage comparators. The lmx39x and the lm2901x devices consist of four independent voltage comparators that are designed to operate from a single power supply over a wide range of voltages. Datasheet search engine for electronic components and semiconductors. Here we will name the pinout of all four comparators on. Voltage comparators logic voltage translation peak detectors power supervision measuring instruments oscillators industrial automotive. Lm339 single supply quad comparators on semiconductor. Lowpower quad voltage comparators, lm339 datasheet, circuit, data sheet, alldatasheet, datasheet search site for electronic components and semiconductors, diodes. Motorola quad single supply comparators,alldatasheet, datasheet, datasheet search site for electronic components and semiconductors, integrated circuits, diodes, triacs, and other semiconductors. Lm9, lm239, lm339, lm9a lm239a, lm339a, lm2901, lm2901av, lm2901v slcs006u october 1979revised november 2018 lm339, lm239, lm9, lm2901 quad differential comparators 1 1 features 1 wide supply ranges single supply.
Operation from split power supplies is also possible and the low power supply current drain is independent of the magnitude of the power supply voltage. My input reference would be 1v and if the input voltage through the other input. Lm339d 1 lm339, lm339e, lm239, lm2901, lm2901e, lm2901v, ncv2901, mc3302 single supply quad comparators these comparators are designed for use in level detection, low. This circuit is really built for demonstration purposes, just so to show you how to connect an lm339 and how it works. The devices consist of four independent voltage comparators that are designed to operate from a single power supply. The lm311 differ from the lm339 and lm393 in the output transistor emitter has to be connected to ground externally. A reference voltage is established at the inverting input to the comparator by r3 and the 6. Lm339 is a voltage comparator ic from lmx39x series and is manufactured by many industries. Theres small database of electronic components datasheet that ive collected since.
The lm9 and lm9a are characterized for operation over the full military temperature range of 55c to 125c. On semiconductor lm339 linear comparators parts available at digikey. Lm339, lm239, lm9, lm2901 quad differential comparators 1 1 features 1 wide supply ranges single supply. Pdf lm339, lm239, lm2901, lm2901v, ncv2901, mc3302 r14525 lm339 d lm2901 lm239 lm339 datasheet lm2901v lm339 mc3302 ncv2901 mc14001 lm2901vd.
It is one of the ics which are used for low level checking, level detection as well as for automotive, consumer and. Lm339 pdf, lm339 description, lm339 datasheets, lm339 view. Lmx39n, lm2901n, lm3302n lowpower lowoffset voltage. Each comparator has been designed specifically to operate from a single power supply over a wide range of voltages. Ldmos rf power field effect transistor 90 w, 869960 mhz. Compare pricing for texas instruments lm339n across 42 distributors and discover alternative parts, cad models, technical specifications, datasheets, and more on octopart. Quad voltage comparator, lm339 datasheet, circuit, data sheet, alldatasheet, datasheet search site for electronic components and semiconductors, diodes, triacs, and other semiconductors. Integrated circuits, transistor, semiconductors search and datasheet pdf download site. The datasheet says the common voltage range should not exceed the lm339s positive supply minus 1. Operation from dual supplies also is possible, as long as the difference between the two supplies is 2 v to 36 v, and v cc is at least 1. A comparator rotates a signal between digital and analog domain. Lm339 comparator is used in a wide range in circuits, the most common applications. Lm339 pins surface mount transistor lm339 lm339 lm339 an ic lm2901 application note ic lm339 lm9 for comparator ic lm339 datasheet for.
Mar 15, 2010 the maximum current that could flow on this q8 transistor output sink current according to the lm339 datasheet is about 18 ma. Lm339 1k or 10k potentiometer for simulating variable sensor voltage input on pin 6 2 2k resistors to set 2. I suggest the use of a 2n3904 if you wish to use a npn, or a 2n3906 if you wish to use a pnp. The lm111, lm211 and lm311 are voltage comparators that have input currents nearly a thousand times lower than devices like the or lm710. Input current flows through parasitic diode to ground and will turn on parasitic transistors that will increase icc and may cause output to. Universal standard ground sense comparator lm393 family, lm339 family, lm2903 family, lm2901 family vdescription the universal standard family lm393lm339 lm2903lm2901 monolithic ics integrate twofour independent comparators on a single chip and feature high gain, low power consumption, and an operating voltage range. I am using all four comparators in the chip, with each comparator using. Motorola, alldatasheet, datasheet, datasheet search site for electronic components. How to build an lm339 quad voltage comparator circuit. Sep 11, 2016 lm339 datasheet quad differential comparator national, lm339n datasheet, lm339 pdf, lm339 pinout, lm339 manual, lm339 schematic, lm339 equivalent. 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. Lm339 datasheet, lm339 datasheets, lm339 pdf, lm339 circuit. Lm339, lm239, lm9, lm2901 quad differential comparators 1 1 features.
Bob pease has an excellent article on how far you can push a comparator. Operation from split power supplies is also possible. High performance transistor optocouplers 22 high speed logic gate optocouplers 25 low voltage, high performance optocouplers. This circuit will illuminate an led whenever the 12 volt line goes below 11 volts. This family of devices consists of four independent precisionvoltage comparators with an offset voltage specification as low as 2 mv maximum for lm339a, lm239a, and lm9a. During this period, the current i will flow out of the switched current source and provide a fixed amount of charge,qixt,into the capacitor, c l. Simplified breadboard circuit to testexplore voltage threshold detection using lm339 quad comparator. The lm393339 comparator family uses cmos transistors at the input which prevent phase.
Pdf lm339, lm239, lm2901, lm2901v, ncv2901, mc3302 soic14 pdip14 and8011d lm339d and8011 lm339dr2 lm339dtbr2 lm339dr2g lm2901vd. View, read and download electronic component datasheets. Is there a way in which the opposite can be achieved using the same chip. Added applications, device information table, pin configuration and. Com datasheet search site for electronic components and semiconductors and other semiconductors. The maximum output current may be as high as 20, sheet. Low offset voltage dual comparators the lm393 series are dual independent precision voltage comparators capable of single or split supply operation. Bc327 datasheet, bc327 pdf, bc327 data sheet, datasheet, data sheet, pdf. Low power low offset voltage quad comparators, lm339 datasheet, lm339 pdf, lm339 datasheet pdf, datenblatt, pinouts, data sheet, schematic integrated circuits, transistor, semiconductors search and datasheet pdf download site. The testing circuit simply connects the comparator inverting input to the voltage divider r1 and r2, with 5 volt voltage supply the v could be calculated as follow. Select the part name and then you can download the datasheet in pdf. Nte834 lm339 quad, low power, low offset voltage comparator. Lm339 datasheet quad differential comparator national. Lm9, lm239, lm339 lowpower quad voltage comparators datasheet production data features wide single supply voltage range or dual supplies for all devices.
Lm 339 is a comparator ic having 4 builtin comparators. For lm339, you need to set the supply voltage so that just one of. Lm339n on semiconductor datasheet and cad model download. These were designed specifically to operate from a single power supply over a wide range of voltages.
Simple analogtodigital converters adcs pulse, squarewave, and time delay generators oneshot multivibrator with input lock out. Lm9, lm9a, lm239, lm239a, lm339, lm339a, lm2901 quad differential comparators slcs006f october 1979 revised november 2001 post office box 655303 dallas, texas 75265 3 absolute maximum ratings over operating freeair temperature range unless otherwise noted. Lm339 datasheet quad comparators posted on march 6, 2018 by diode lm339 comparator is designed for use in level detection, low. Lm339 low power quad voltage comparator stmicroelectronics. The lm339 and lm339a are characterized for operation from 0c to 70c.
If you use a npn, the leds will light when its input is driven high. Lm339an analog comparators are available at mouser electronics. Lm239 lm339 datasheet lm2901v lm339 mc3302 ncv2901 mc14001 lm2901vd text. Also operation from dual supplies is possible, as long as the difference between the two supplies is 2 v to 36 v. Lm393 datasheet pdf lm393 datasheet pdf lm393 datasheet pdf download. Refer to the maximum ratings table for safe operating area. In this circuit, there are 4 different color leds, so that we can demonstrate each of the 4 op amps one at a time. Lm339 datasheet quad differential comparator national, lm339n datasheet, lm339 pdf, lm339 pinout, lm339 manual, lm339 schematic, lm339 equivalent. Added pin configuration and functions section, esd ratings table, feature. Hello, i wonder if anyone has seen this problem before, or can figure out what i am doing wrong. The lm393 series are dual independent precision voltage comparators capable of.
Download fairchild semiconductor lm339 pdf datasheet file. The circuit schematic for the lm339 quad voltage comparator circuit that we are going to build is shown below. Lm339, lm239, lm9, lm2901 quad differential comparators. Low power low offset voltage quad comparators, lm339 datasheet, lm339 pdf, lm339 datasheet pdf, datenblatt, pinouts, data sheet, schematic. You can use a npn or a pnp transistor driven by the lm339, and it will drive more than four leds. Lm339 inventory, alldatasheet, free, databook, lm339 price, stock. Lm393 datasheet pdf the lm2903, lm393lm393a, lm293a consist of two independent voltage comparators designed to operate from a single power supply over a wide voltage.
Page 3 of 14 absolute maximum ratings symbol description ratings unit vout59v 30 v vin input voltage vout1224v 35 iout output current 100 ma sop8 300 sot223 325 sot89 350 pd power dissipation to92 625 mw tj junction temperature 125 c. Lm339 quad, low power, low offset voltage comparator vetco. Lm339n texas instruments datasheet and cad model download. Lm339 d 1 lm339, lm339e, lm239, lm2901, lm2901e, lm2901v, ncv2901, mc3302 single supply quad. Lm339 is a 14 pin device as shown in above pin diagram. If its not shown correctly, click here to open the file on a separate window. Lmx39n, lm2901n, lm3302n lowpower lowoffset voltage quad. When vin is less than vref the output on pin goes to about 10volts turning on transistor q1 which turns on the led. Universal standard ground sense comparator lm393 family, lm339 family, lm2903 family, lm2901 family vdescription the universal standard family lm393 lm339 lm2903lm2901 monolithic ics integrate twofour independent comparators on a single chip and feature high gain, low power consumption, and an operating voltage range. Lm9a lm239a, lm339a lm9 lm239, lm339 lm2901 lm3302 units mintyp max min typ max mintyp max min typ max mintyp max mintyp max input offset voltage note 9 1.
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