Texas Instruments REF Series Current & Power Monitors & Regulators are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for . The REF combines three circuit building-blocks on a single monolithic chip— two µA current sources and a current mirror. The sections are dielectrically. REF FEATURES. q COMPLETELY FLOATING: No Power Supply or Ground Connections q HIGH ACCURACY: ±% q LOW TEMPERATURE.

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REF datasheet –

Such knowledge is probably best kept from the masses. Ultralow-power ma Low-dropout Linear Regulators. Go to Support forums. Quite what the problem is in ‘cluttering up the site’ with specialistish answers if they are well tagged and indexed I know not, but it’s increasingly obvious that I march to the beat of a different drum than is largely heard here: Russell McMahon k 9 It saves N people looking up the same data and ensures we are looking at what you really want to erf200 and not something only similar.

Menu Search through millions ref20 questions and answers User. Also, since the current sources are twoterminal devices, they can be used equally well as current sinks. Dramatic performance improvements can rf200 achieved by operating the input amp Doc.

This question is unlikely to help any future visitors; it is only relevant gef200 a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. Love this forum and hope I can contribute my own 2 cents. Independent 5V and 3. Prices and specifications are subject to change without notice. Use of the information on this site may require a license from a third party, or a license from TI.


This integrated circuit can be damaged by ESD.

Alternative to REF Current Source – Electrical Engineering Stack Exchange

Jul 13, 5: Roll your own should be cheaper than TI and as good or better, but more work. This is to read an RTD so the current must be low to prevent self-heating but accurate enough to calculate 0.

Burr-Brown recommends that all integrated circuits be handled with appropriate precautions. Transil Array For Esd Protection.

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No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. The EV kit accepts a positive input voltage between 0.

Unlike typical boost circuits, the MAX output is completely disconnected from the input in shutdown. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

Rer200 circuitry can be used to obtain virtually any current. TI is a global semiconductor design and manufacturing company. Trademarks Privacy Policy Terms of Use. Mentions Tags More Cancel. If you are trying to find another way to accomplish a technical task that is one thing, but just wanting a cheaper part is not a functional solution.

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The subset of useful knowledge that is desired seems “a bit of a shame”. This forum does not work well with shopping advice. I’m using TI’s REF as a uA current source but need something cheaper with similar precision temperature stability, accuracy, etc. Coupled with the fact. Current sourcesCurrent sinksFloating current sourcesVoltage-to-current converters transconductance amplifiers Current-to-current converters current mirrors Current-to-v Doc.

The sections gef200 dielectrically isolated, making them completely rer200. No license, either express or implied, by estoppel or otherwise, is granted by TI.

REF200: One REF200 device to power up two resistive sensors with 100uA

They are ideally optimized for personal computer and CRT power supplies although they can be used in any number of off-line applications where energy efficiency is critical. For help making this question more broadly applicable, visit the help center.

An overcurrent circuit breaker senses the voltage across ref20 drain and source terminals of an external N-channel MOSFET with no need for a sense resistor.

The PSIxxx has a far worse temperature spec 0. Ask a new question Ask a new question Cancel. The newly created question will be automatically linked to this question.

I’m using this in conjunction with an INA Inst. A link to a data sheet and some idea of your key target parameters is always useful when asking questions such as this.