solid your solid-state energy meter? created equal Analog De

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solid your solid-state energy meter? created equal Analog De

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METER COMPONENTS
solid your solid-state energy meter?
created equal
Analog Devices also state-of-the-art internal product analysis group working directly with customers quality issues providing rapid responses customers through correlation, analysis corrective actions. details Analog Devices' quality system, latest electrical results, visit Quality System link site http://www.analog.com/.
know that quality integrated circuit (IC) depends failure rate process manufactured from? Even device fully functional, made from process with high failure rate more likely experience shorter operational life than manufactured high quality process. Analog Devices rigorous quality system monitor quality outgoing products. Figure shows electrical failure rate parts million (PPM). These rejected devices identified more likely experience early failure field. People
found site. reference design provided help customers shorten their design cycle. AD775x products need only single voltage supply. AD7751
PERFORMANCE
Analog Devices' AD775x family energy metering choice many meter manufacturers around world. AD775x family energy metering products provide unsurpassed accuracy watt-hour calculation over very wide dynamic range. Figure Figure highlight performance AD7755, core AD775x family, over dynamic range 1000:1 temperature range -40°C 85°C. Even power factor (PF=0.5), shown plots, AD7755 maintains accuracy. Details each metering Quarterly electrical outgoing results product found familiar with semiconductor industry energy metering group's home page http:/ would recognise them marginal parametric /www.analog.com/energymeter/. rejects. ultra-low failure rate ensures that Analog Devices' customers receive SIMPLE DESIGN products with virtually zero defects MANUFA MANUFA CTURE probability early failure field. AD775x products designed make meter design manufacturing simple possible. circuitry needed AD775x based energy meter very simple. Analog Devices' AD7755 IEC1036 Class watt-hour meter reference design shown Figure full documentation this meter, Application Accuracy AD7755 over 1000:1 Note AN-559, dynamic range (unity power factor)
Accuracy AD7755 over 1000:1 dynamic range power factor)
AD7755 also provide direct drive capability mechanical counter. Most AD775x products also interface directly with very resistance shunt. simplicity design enables very short design-to-market cycle. manufacturers, simple design translates significant cost saving. concept simplicity extended single calibration point, typically (basic current). Calibrating AD775x based watt-hour meter done quickly efficiently.
IEC1036 Class watt-hour reference design using AD7755
INTERNATIONAL METERING INTERNATIONAL ISSUE 2000

solid your solid-state energy meter? created equal Analog De

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