ADE7755AN-REF Analog Devices, ADE7755AN-REF Datasheet
ADE7755AN-REF
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ADE7755AN-REF Summary of contents
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... REFERENCE *U.S. Patents 5,745,323, 5,760,617, 5,862,069, and 5,872,469. REV. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices ...
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ADE7755–SPECIFICATIONS Parameter 1, 2 ACCURACY 1 Measurement Error on Channel 1 Gain = 1 Gain = 2 Gain = 8 Gain = 16 1 Phase Error Between Channels V1 Phase Lead 37∞ (PF = 0.8 Capacitive) V1 Phase Lag 60∞ ...
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... Industrial . . . . . . . . . . . . . . . . . . . . . . . . . . –40∞C to +85∞C Storage Temperature Range . . . . . . . . . . . . –65∞C to +150∞C Model ADE7755ARS ADE7755ARSRL ADE7755AN-REF EVAL-ADE7755EB ADE7755 Evaluation Board 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 the ADE7755 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high-energy electrostatic discharges ...
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ADE7755 Figure 1. Timing Diagram for Frequency Outputs PIN CONFIGURATION AC/ DGND ...
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Pin No. Mnemonic Description 1 DV Digital Power Supply. This pin provides the supply voltage for the digital circuitry in the ADE7755. DD The supply voltage should be maintained ± 5% for specified operation. This pin should ...
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ADE7755 Pin No. Mnemonic Description 21 DGND This provides the ground reference for the digital circuitry in the ADE7755, i.e., multiplier, filters, and digital-to-frequency converter. This pin should be tied to the digital ground plane of the PCB. The digital ...
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C 0.4 0.3 0.2 0.1 +25 C 0.0 –0.1 +85 C –0.2 –0 GAIN = 1 –0.4 ON-CHIP REFERENCE –0.5 0.01 0.1 1 Amps TPC 1. Error Reading (Gain = 1) ...
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ADE7755 0.8 0.6 – 0.5 0.4 0.2 + 0.0 + 0.5 –0.2 –0.4 + 0.5 –0.6 –0.8 0.01 0.1 1 Amps TPC 7. Error ...
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DISTRIBUTION CHARACTERISTICS NUMBER POINTS: 101 14 MINIMUM: –9.78871 GAIN = 1 MAXIMUM: 7.2939 TEMPERATURE = 25 C MEAN: –1.73203 12 STD. DEV: 3.61157 –15 –9 –3 FREQUENCY – Hz TPC 13. Channel 1 ...
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ADE7755 THEORY OF OPERATION The two ADCs digitize the voltage signals from the current and voltage transducers. These ADCs are 16-bit second order sigma-delta with an oversampling rate of 900 kHz. This analog input structure greatly simplifies transducer interfacing by ...
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Using Equations 1 and 2, the real power P can be expressed in terms of its fundamental real power (P 1 power ( where: = ¥ cos ...
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ADE7755 Figure 7 shows two typical connections for Channel V2. The first option uses a PT (potential transformer) to provide complete isolation from the power line. In the second option, the ADE7755 is biased around the neutral wire, and a ...
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FREQUENCY – Hz Figure 10. Phase Error between Channels ( kHz) 0.30 0.25 0.20 0.15 0.10 0.05 0 –0.05 –0.10 40 ...
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ADE7755 Interfacing the ADE7755 to a Microcontroller for Energy Measurement The easiest way to interface the ADE7755 to a microcontroller is to use the CF high-frequency output with the output frequency scaling set to 2048 ¥ F1, F2. This is ...
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Example 1 Thus if full-scale differential dc voltages of +470 mV and –660 mV are applied to V1 and V2 respectively (470 mV is the maximum differential voltage that can be connected to Channel 1, and 660 mV is the ...
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ADE7755 Table VI. F1 and F2 Frequency with Half-Scale AC Inputs Frequency on F1 and CH1 and CH2 Half-Scale AC Inputs 1– 1.7 0.085 3.4 0. 6.8 0.34 ...