Datenblatt-Suchmaschine für elektronische Bauteile |
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ADE7761AARSZ Datenblatt(PDF) 5 Page - Analog Devices |
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ADE7761AARSZ Datenblatt(HTML) 5 Page - Analog Devices |
5 / 24 page ADE7761A Rev. 0 | Page 5 of 24 ABSOLUTE MAXIMUM RATINGS TA = 25°C, unless otherwise noted. Table 3. Parameter Rating VDD to AGND −0.3 V to +7 V Analog Input Voltage to AGND V1A, V1B, V1N, V2N, V2P, MISCAL −6 V to +6 V Reference Input Voltage to AGND −0.3 V to VDD + 0.3 V Digital Input Voltage to DGND −0.3 V to VDD + 0.3 V Digital Output Voltage to DGND −0.3 V to VDD + 0.3 V Operating Temperature Range Industrial −40°C to +85°C Storage Temperature Range −65°C to +150°C Junction Temperature 150°C 20-Lead SSOP, Power Dissipation 450 mW θJA Thermal Impedance 112°C/W Lead Temperature, Soldering Vapor Phase (60 sec) 215°C Infrared (15 sec) 220°C Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those listed in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. PERFORMANCE ISSUES THAT MAY AFFECT BILLING ACCURACY The ADE7761A provides pulse outputs—CF, F1, and F2— intended to be used for the billing of active energy. Pulses are generated at these outputs in two different situations. Case 1 : When the analog input V2P – V2N complies with the conditions described in Figure 34, CF, F1, and F2 frequencies are proportional to active power and can be used to bill active energy. Case 2 : When the analog input V2P – V2N does not comply with the conditions described in Figure 34, the ADE7761A does not measure active energy but a quantity proportional to kAh. This quantity is used to generate pulses on the same CF, F1, and F2. This situation is indicated when the FAULT pin is high. Analog Devices, Inc. cautions users of the ADE7761A about the following: • Billing active energy in Case 1 is consistent with the understanding of the quantity represented by pulses on CF, F1, and F2 outputs (watt-hour). • Billing active energy while the ADE7761A is in Case 2 must be decided knowing that the entity measured by the ADE7761A in this case is ampere-hour and not watt-hour. Users should be aware of this limitation and decide if the ADE7761A is appropriate for their application. ESD CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although this product features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality. |
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Ähnliche Beschreibung - ADE7761AARSZ |
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