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comparator
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  • Forum Post: High-Speed Comparator Cross Reference

    Terry Jendon
    I am looking for a high-speed comparator from TI that is a cross or at least a comparable part to the MAX944 3/5V high-speed RRIO comparator. The key requirements are response time 120ns or less, RRIO and is in a quad-14pin or 16 pin dip package. Please let me know if TI has something close......
    on Sep 19, 2010

  • Forum Post: Re: High-Speed Comparator Cross Reference

    Neil Albaugh
    Terry; I've used the TLC339 quad CMOS comparator frequently and found it quite satisfactory. It is rated at 3us response time but with more overdrive, it gets down to about 1us. Nice photo, Gina! Regards, Neil P. Albaugh ex-Burr-Brown
    on May 11, 2011

  • Forum Post: INT- TLV3501 in low speed application

    Hawk Tong
    what is the high speed performs regarding of low speed input ? In my understanding the output will be instable esp. near the threhold point. it is the second time i encount this case. i hope someone here could show me more details, let me know why and how. thanks a lot. Figure -1,TLV3501 Figure...
    on Aug 10, 2011

  • Forum Post: TLV3702 comparator glitches with slow signals

    Matthew Crowley
    Hi all, I have an interesting problem with a fairly simple comparator circuit that converts a low-level sine wave to 3.3V logic levels to measure frequency. Part of the system is shown below, and was reverse engineered from an obsolete design. The input signal is a sine wave in the range 200mVpp...
    on Oct 13, 2011

  • Forum Post: Re: LM339 as comparator

    Deepak Bansal
    Hi, I have now used two TLV3401. Below is the schematic: Problem is when no current flows U2 is high but U1 gives o/p low. I don't understand why this happens? I checked voltage at inv & non-inv terminal of U1, volatges are same. Then why there is error? When volatges at terminals...
    on Jan 7, 2012

  • Forum Post: LM311 comparator

    Tony Garvey
    Hi I'm using an LM311N comparator to switch a relay. I have a single rail +12V supply. I want to use it in a non-inverting configuration, so I have programmed a reference voltage at the inverting input of 50mV (240k and 1k potential divider from the +12V supply). The inverting input is connected...
    on Jan 23, 2012

  • Forum Post: TLC393 Op-amp

    Deepak Bansal
    1. I am using TLC393 op-amp as comparator with 15V supply. 2. Inverting terminal is connected with 1:1 voltage divider (10M each), by 3V voltage source.So that voltage at inverting terminal is 1.5V. 3. Non-inverting can be set high or low by pin of MSP430 with a 100K resistor . (3V high, 0V low...
    on Feb 14, 2012

  • Forum Post: DUAL COMPERATOR

    eli
    Looking for dual comperator for 15V operating, 100Ma output current,industrial temp range,and small package.
    on Feb 17, 2012

  • Forum Post: Re: DUAL COMPERATOR

    eli
    Hi Thomas, Thanks,I already saw them. LM6511,is single comperatur.Need dusl,and LM306 is as you indicated,only up to 70C B.regards Eli
    on Feb 17, 2012

  • Forum Post: power consumption of comparator, LMV7239

    Hiroshi Sato
    Hello, Our customer want to know the power consumption of LMV7239 with input signal frequency has variation. They think that it has lower power consumption when lower frequency signal inputs. If the thought is right, do you have some data or tendency for LMV7239? (And they are examining with...
    on Feb 21, 2012

  • Forum Post: Re: power consumption of comparator, LMV7239

    Hiroshi Sato
    Hello Paul-san, Thnak you very much for your comment and taking data. These are very useful for us, then the customer will be able to decide to evaluate the device. Thanks and best regards, Hiroshi Sato
    on Feb 24, 2012

  • Forum Post: Ealge Library for TLV3501

    Neel Mehta82485
    Hi. I want the Eagle libraries of TLV3501 for both the packaging formats: 8-pin SOIC as well as 6-pin SOT-23. Can someone provide me the link? I have been unable to find it. Thanks.
    on Apr 1, 2012

  • Forum Post: TLV3011/TLV3012 Output Question

    Anthony Berwin
    When the comparator, TLV3011/TLV3012, is not powered (V+ (Pin 6) = V- (Pin 2), or VS = VGND ) does the output have a high or low impedance to ground? If it has a low impedance to ground, how much current may it sink? Thank you in advance for your assistance, Anthony Berwin
    on May 18, 2012

  • Forum Post: TLV3011 hysteresis

    Paul Ternes
    In the TLV3011 datasheet, there is an expression given for hysteresis created by adding feedback components: V(hyst) = Vcc*R1/(R1+R2). However, this equation only seems valid if the resistive divider formed between R1 and R2 are terminated in 5V on one end and ground on the other. Instead, R1 is terminated...
    on Mar 1, 2013

  • Forum Post: LM2903 input range

    Remi Carne
    Hi, In the absolute maximum ratings of LM2903, the input voltage range is -0.3V to 36V, is it true for any supply voltage ? For example, if the LM2903 is supplied with single +5V, is there damage if IN+ or IN- is +30V ? Thank you
    on Mar 11, 2013

  • Forum Post: selecting comparator

    David Prince92104
    I am new to comparators and i am having trouble finding the one I need. The power rails are +-15vdc, prefer two comparator per package. Surface mount, something like an SOIC8. The output needs to be CMOS rail to rail, so the output can go close to the positive or negative rail depending on input. I may...
    on Mar 27, 2013

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