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Part Number: ADE7760
Description: The ADE7760 is a high accuracy, fault tolerant, electrical energymeasurement IC intended for use with 2-wire dist...
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ADE7760
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General Description
ADE7760 General Description
The ADE7760 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 ADE7760 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 ADE7760 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%.
The ADE7760 supplies average active power information on the low frequency outputs F1 and F2. The CF logic output gives instantaneous active power information. The ADE7760 includes a power supply monitoring circuit on the VDD supply pin. Internal phase-matching circuitry ensures that the voltage and current channels are matched. An internal no-load threshold ensures that the ADE7760 does not exhibit any creep when there is no load.
ADE7760 Maximum Ratings
VDD to AGND 0.3 V to +7 V
Analog Input Voltage to AGND 6 V to +6 V
V1AP, V1BP, V1N, V2N, V2P
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
JA Thermal Impedance 112°C/W
Lead Temperature, Soldering
Vapor Phase (60 s) 215°C
Infrared (15 s) 220°C
Analog Input Voltage to AGND 6 V to +6 V
V1AP, V1BP, V1N, V2N, V2P
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
JA Thermal Impedance 112°C/W
Lead Temperature, Soldering
Vapor Phase (60 s) 215°C
Infrared (15 s) 220°C
ADE7760 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
Two logic outputs (FAULT and REVP) can be used to indicate a potential miswiring or fault 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
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
Two logic outputs (FAULT and REVP) can be used to indicate a potential miswiring or fault 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
ADE7760 Connection Diagram
ADE7760
PDF/DataSheet Download
- Datasheet: ADE7760
- File Size: 526772 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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