Datasheet Linear Technology LT6654AIS6-2.5 — Datenblatt

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LT6654 LT6654AHLS8-2.048 LT6654AHLS8-2.5 LT6654AHLS8-4.096 LT6654AHLS8-5 LT6654AHS6-1.25 LT6654AHS6-2.048 LT6654AHS6-2.5 LT6654AHS6-3 LT6654AHS6-3.3 LT6654AHS6-4.096 LT6654AHS6-5 LT6654AIS6-1.25 LT6654AIS6-2.048 LT6654AIS6-3 LT6654AIS6-3.3 LT6654AIS6-4.096 LT6654AIS6-5 LT6654AMPS6-1.25 LT6654AMPS6-2.048 LT6654AMPS6-2.5 LT6654AMPS6-3 LT6654AMPS6-3.3 LT6654AMPS6-4.096 LT6654AMPS6-5 LT6654BHLS8-2.048 LT6654BHLS8-2.5 LT6654BHLS8-4.096 LT6654BHLS8-5 LT6654BHS6-1.25 LT6654BHS6-2.048 LT6654BHS6-2.5 LT6654BHS6-3 LT6654BHS6-3.3 LT6654BHS6-4.096 LT6654BHS6-5 LT6654BIS6-1.25 LT6654BIS6-2.048 LT6654BIS6-2.5 LT6654BIS6-3 LT6654BIS6-3.3 LT6654BIS6-4.096 LT6654BIS6-5 LT6654BMPS6-1.25 LT6654BMPS6-2.048 LT6654BMPS6-2.5 LT6654BMPS6-3 LT6654BMPS6-3.3 LT6654BMPS6-4.096 LT6654BMPS6-5

Konstruktionshinweise

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  Don't Be Fooled By Voltage Reference Long-Term Drift and Hysteresis &mdash DN229
  PDF, 98 Kb, Datei veröffentlicht: Apr 3, 2001
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  Don’t Be Fooled by Voltage Reference Long-Term Drift
  and Hysteresis – Design Note 229
  John Wright Lies About Long-Term Drift
  Some manufacturers are now touting phenomenal
  long-term drift specifications, based on accelerated
  high temperature testing. THIS IS A DELIBERATE
  LIE! Long-term drift cannot be extrapolated from
  accelerated high temperature testing. The only way
  long-term drift can be determined is to measure it over
  the time interval of interest. The erroneous technique
  produces numbers that are wildly optimistic and uses
  the Arrhenius Equation to derive an acceleration factor
  from elevated temperature readings. The equation is:
  AF = e EA вЋ› 1 1 вЋћ
  ⎜ – ⎟
  K вЋќ T1 T2вЋ  where: E A = Activation Energy (Assume 0.7)
  K = Boltzmann’s Constant
  T2 = Test Condition in В°Kelvin
  T1 = Use Condition Temperature in В°Kelvin Equation the acceleration factor is 767 and the projected
  “bogus” long-term drift is 0.156ppm/1000hr at 30°C.
  For a 2.5V reference, this corresponds to a 0.39ОјV shift
  after 1000 hours. This is pretty hard to determine (read
  impossible) if the peak-to-peak output noise is larger …

Artikel

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  How to Choose a Voltage Reference &mdash LT Journal
  PDF, 282 Kb, Datei veröffentlicht: Mar 1, 2009
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  L DESIGN FEATURES How to Choose a Voltage Reference
  by Brendan Whelan Why Voltage References? 5V It is an analog world. All electronic
  devices must in some way interact with
  the “real” world, whether they are in
  an automobile, microwave oven or cell
  phone. To do that, electronics must be
  able to map real world measurements
  (speed, pressure, length, temperature)
  to a measurable quantity in the electronics world (voltage). Of course, to
  measure voltage, you need a standard
  to measure against. That standard is
  a voltage reference. The question for
  any system designer is not whether he
  needs a voltage reference, but rather,
  which one?
  A voltage reference is simply that—a
  circuit or circuit element that provides
  a known potential for as long as the circuit requires it. This may be minutes,
  hours or years. If a product requires
  information about the world, such VIN 18k LTC1286
  1
  2 LT1634-4.096 0.1ВµF 3
  4 VREF VCC +IN CLK –IN DOUT GND CS/SHDN 8 5V 7 …

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  Wireless Precision Temperature Sensor Powers Itself, Forms Own Network, Enabling Easy Deployment in Industrial Environments &mdash LT Journal
  PDF, 866 Kb, Datei veröffentlicht: Jul 1, 2014
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  Wireless Precision Temperature Sensor Powers Itself,
  Forms Own Network, Enabling Easy Deployment
  in Industrial Environments
  Kris Lokere While the Internet connects people via a worldwide computer network, the Internet of
  Things (IoT) refers to a growing trend to create relatively simple devices that interconnect
  and share data independent of computer or human intervention. The IoT has the potential
  to increase efficiency, improve safety and enable entirely new business models in just about
  any facet of life or industry. For example, to reliably and efficiently operate an industrial plant,
  it helps to have as many monitoring (or control) points as possible—more sensors means
  better monitoring. The device-to-device networking of the IoT simplifies distribution and
  networking, making it easy to expand the number and reach of sensors throughout a plant.
  Exponential increases in the number of
  sensors can be achieved by eliminating
  all cabling requirements through the use
  of robust, wireless, micropower sensors
  that run for years on a small battery.
  Better yet, eliminate the need to replace
  or recharge batteries. Instead, sensors
  harvest energy from their immediate
  environment, taking advantage of locally
  available energy sources, such as light,
  vibration or temperature gradients.
  This article shows how to easily build …

Modellreihe

Herstellerklassifikation

• Signal Conditioning > Voltage References > Series Voltage References
• Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Voltage References