3 1/2 Digit, Lcd Display Low-cost, Subminiature Digital Panel Voltmeters

DMS-20LCD Series, 3 Digit, LCD Display Digital Voltmeters represent the ultimate combination of low price, low power, small size and high performance in digital meters. Epoxy encapsulated in a subminiature (1.38" x 0.88" x 0.43"), 12-pin DIP package, these completely self-contained, fully operational meters offer a combination of ruggedness, long-term reliability and component-like ease-of-use simply not available in any other meters. Incorporating a precision reference and a factory-calibrated, autozeroing A/D converter, DMS-20LCD meters are extremely accurate (1 count) and are only slightly larger than their 0.37"/9.4mm, enhanced-contrast, LCD Displays All models incorpo- rate a built-in bezel and are easily mounted in either panels or pc boards. Both backlit and non-backlit versions are available. DMS-20LCD meters have 4 differential input voltage ranges (200mV, 2V, 20V and 200V) and a user-friendly input structure. Input impedance is a minimum 800k. CMRR is typically 86dB with a CMV of 2V. Non-inverting inputs are overvoltage protected to 100V (250V for the 200V input model). All DMS-20LCD meters operate from a single +5V supply (drawing 400A) or a single +9V supply/battery (drawing 230A). All models have a low-battery ("B") annunciator and feature autopolarity changeover and overrange indication. Also available is an application/evaluation board (DMS-EB2) that plugs directly onto the back of any DMS-20LCD allowing direct inputs for common applications such as 4-20mA inputs, zero/gain adjust, decimal point location, and input voltage dividing By Unkown
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MAX820LC/D Maxim Integrated Products Power Supply Management Circuit
DMS-20LCD 's PackagesDMS-20LCD 's pdf datasheet

DMS-20LCD Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
DMS-20LCD circuits will be updated soon..., now you can download the pdf datasheet to check the circuits!

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