Purchase ADE7757*, In-stock ADE7757* From SeekIC.
Part Number: ADE7757*
Description: The ADE7757 is a high accuracy electrical energy measurement IC. It is a pin reduction version of AD7755 with an enhanc...
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ADE7757*
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DataSheet
General Description
ADE7757* General Description
The ADE7757 is a high accuracy electrical energy measurement IC. It is a pin reduction version of AD7755 with an enhancement of a precise oscillator circuit that serves as a clock source to the chip. The ADE7757 eliminates the cost of an external crystal or resonator, thus reducing the overall cost of a meter built with this IC. The chip directly interfaces with shunt resistor and only operates with AC input.
The ADE7757 specifications surpass the accuracy requirements as quoted in the IEC1036 standard. Due to the similarity between the ADE7757 and AD7755, the Application Note AN-559 can be used as a basis for a description of an IEC1036 low cost watt-hour meter reference design. The only analog circuitry used in the ADE7757 is in the sigma-delta ADCs and reference circuit. All other signal processing (e.g., multiplication and filtering) is carried out in the digital domain. This approach provides superior stability and accuracy over time and extreme environmental conditions. The ADE7757 supplies average real power information on the low frequency outputs F1 and F2. These outputs may be used to directly drive an electromechanical counter or interface with an MCU. The high frequency CF logic output, ideal for calibration purposes, provides instantaneous real power information.
ADE7757* Maximum Ratings
VDD to AGND . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +7 V
VDD to DGND . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +7 V
Analog Input Voltage to AGND
V1P, V1N, V2P and V2N . . . . . . . . . . . . . . . 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 (A, B Versions) . . . . . . . . . . . . 40°C to +85°C
Storage Temperature Range . . . . . . . . 65°C to +150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . .+150°C
VDD to DGND . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +7 V
Analog Input Voltage to AGND
V1P, V1N, V2P and V2N . . . . . . . . . . . . . . . 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 (A, B Versions) . . . . . . . . . . . . 40°C to +85°C
Storage Temperature Range . . . . . . . . 65°C to +150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . .+150°C
ADE7757* Features
On Chip Oscillator as clock source
High Accuracy, Supports 50 Hz/60 Hz IEC 521/1036 Less than 0.1% Error Over a Dynamic Range of 500 to 1
The ADE7757 Supplies Average Real Power on the Frequency Outputs F1 and F2
The High Frequency Output CF Is Intended for Calibration and Supplies Instantaneous Real Power
Direct Drive for Electromechanical Counters and Two Phase Stepper Motors (F1 and F2)
Proprietary ADCs and DSP Provide High Accuracy over Large Variations in Environmental Conditions and Time
On-Chip Power Supply Monitoring
On-Chip Creep Protection (No Load Threshold)
Single 5 V Supply, Low Power (15 mW Typical)
Low Cost CMOS Process
AC Input only
High Accuracy, Supports 50 Hz/60 Hz IEC 521/1036 Less than 0.1% Error Over a Dynamic Range of 500 to 1
The ADE7757 Supplies Average Real Power on the Frequency Outputs F1 and F2
The High Frequency Output CF Is Intended for Calibration and Supplies Instantaneous Real Power
Direct Drive for Electromechanical Counters and Two Phase Stepper Motors (F1 and F2)
Proprietary ADCs and DSP Provide High Accuracy over Large Variations in Environmental Conditions and Time
On-Chip Power Supply Monitoring
On-Chip Creep Protection (No Load Threshold)
Single 5 V Supply, Low Power (15 mW Typical)
Low Cost CMOS Process
AC Input only
ADE7757* Connection Diagram
ADE-10MH
PDF/DataSheet Download
- Datasheet: ADE-10MH
- File Size: 49137 KB
- Manufacturer: MINI [Mini-Circuits]
- Click here to Download
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ADE7756*
The ADE7756 is a high-accuracy electrical power measurement IC with a serial interface and a pulse output. The ADE7756 incorporates two second-order sigma-delta ADCs, reference circuitry, temperature sensor, and all the signal processing required to perform ...
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