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ADE7761

Features: High accuracy active energy measurement IC, supports IEC 687/61036 Less than 0.1% error over a dynamic range of 500 to 1 Supplies active power on the frequency outputs F1 and F2 High frequency output CF is intended for calibration and supplies instantaneous active power Continuous monit...

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SeekIC No. : 004274490 Detail

ADE7761: Features: High accuracy active energy measurement IC, supports IEC 687/61036 Less than 0.1% error over a dynamic range of 500 to 1 Supplies active power on the frequency outputs F1 and F2 High freq...

ADE7761 Data Sheet

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Part Number:
ADE7761
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

High accuracy active energy measurement IC, supports IEC 687/61036
Less than 0.1% error over a dynamic range of 500 to 1
Supplies active power on the frequency outputs F1 and F2
High frequency output CF is intended for calibration and supplies instantaneous active power
Continuous monitoring of the phase and neutral current allows fault detection in 2-wire distribution systems
Current channels input level best suited for current transformer sensors
Uses the larger of the two currents (phase or neutral) to bill-even during a fault condition
Continuous monitoring of the voltage and current inputs allows missing neutral detection
Uses one current input (phase or neutral) to bill when missing neutral is detected
Two logic outputs (FAULT and REVP) can be used to indicate a potential miswiring, fault, or missing neutral condition
Direct drive for electromechanical counters and 2-phase stepper motors (F1 and F2)
Proprietary ADCs and DSP provide high accuracy over large variations in environmental conditions and time
Reference 2.5 V ± 8% (drift 30 ppm/°C typical) with external overdrive capability
Single 5 V supply, low power


Pinout

Connection Diagram


Specifications

Parameter Rating
VDD to AGND
Analog Input Voltage to AGND
   V1AP, V1BP, V1N, V2N, V2P, MISCAL
Reference Input Voltage to AGND
Digital Input Voltage to DGND
Digital Output Voltage to DGND
Operating Temperature Range
   Industrial
Storage Temperature Range
Junction Temperature
20-Lead SSOP, Power Dissipation
JA Thermal Impedance
Lead Temperature, Soldering
   Vapor Phase (60 s)
   Infrared (15 s)		 −0.3 V to +7 V
−6 V to +6 V

−0.3 V to VDD + 0.3 V
−0.3 V to VDD + 0.3 V
−0.3 V to VDD + 0.3 V

−40°C to +85°C
−65°C to +150°C
150°C
450 mW
112°C/W

215°C
220°C



Description

The ADE7761 is a high accuracy, fault tolerant, electrical energy measurement IC intended for use with 2-wire distribution systems. The part specifications surpass the accuracy requirements as quoted in the IEC61036 standard.

The only analog circuitry used on the ADE7761 is in the ADCs and reference circuit. All other signal processing (such as multiplication and filtering) is carried out in the digital domain. This approach provides superior stability and accuracy over extremes in environmental conditions and over time.

The ADE7761 incorporates a fault detection scheme similar to the ADE7751 by continuously monitoring both the phase and neutral currents. A fault is indicated when these currents differ by more than 6.25%.




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