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Part Number: ADE7759*
Description: The ADE7759 is an accurate active power and energy measurement IC with a serial interface and a pulse output. The ADE77...
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ADE7759*
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DataSheet
General Description
ADE7759* General Description
The ADE7759 is an accurate active power and energy measurement IC with a serial interface and a pulse output. The ADE7759 incorporates two second order -∆ ADCs, a digital integrator (on CH1), reference circuitry, temperature sensor, and all the signal processing required to perform active power and energy measurement.
An on-chip digital integrator allows direct interface to di/dt current sensors such as a Rogowski coil. The digital integrator eliminates the need for an external analog integrator and provides excellent long-term stability and precise phase matching between the current and the voltage channels. The integrator can be switched off if the ADE7759 is used with conventional current sensors. The ADE7759 contains a sampled Waveform register and an Active Energy register capable of holding at least 11.53 seconds of accumulated power at full ac load. Data is read from the ADE7759 via the serial interface. The ADE7759 also provides a pulse output (CF) with frequency that is proportional to the active power.
A zero crossing output (ZX) produces an output that is synchronized to the zero crossing point of the line voltage. This output can be used to extract timing or frequency information from the line. The signal is also used internally to the chip in the line cycle energy accumulation mode; i.e., the number of half-line
cycles in which the energy accumulation occurs can be controlled. Line cycle energy accumulation enables a faster and more precise energy accumulation and is especially useful during calibration. This signal is also useful for synchronization of relay switching with a voltage zero crossing.
ADE7759* Maximum Ratings
AVDD to AGND . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +7 V
DVDD to DGND . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +7 V
DVDD to AVDD . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +0.3 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 AVDD + 0.3 V
Digital Input Voltage to DGND . . . 0.3 V to DVDD + 0.3 V
Digital Output Voltage to DGND . . .0.3 V to DVDD + 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
20-Lead SSOP, Power Dissipation . . . . . . . . . . . . 450 mW
JA Thermal Impedance . . . . . . . . . . . . . . . . . . . 112°C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . .215°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . 220°C
DVDD to DGND . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +7 V
DVDD to AVDD . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +0.3 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 AVDD + 0.3 V
Digital Input Voltage to DGND . . . 0.3 V to DVDD + 0.3 V
Digital Output Voltage to DGND . . .0.3 V to DVDD + 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
20-Lead SSOP, Power Dissipation . . . . . . . . . . . . 450 mW
JA Thermal Impedance . . . . . . . . . . . . . . . . . . . 112°C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . .215°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . 220°C
ADE7759* Features
High Accuracy, Supports IEC 687/1036
On-Chip Digital Integrator Allows Direct Interface with Current Sensors with di/dt Output Such as Rogowski Coil
Less Than 0.1% Error over a Dynamic Range of 1000 to 1
On-Chip User-Programmable Threshold for Line Voltage SAG Detection and PSU Supervisory
The ADE7759 Supplies Sampled Waveform Data and Active Energy (40 Bits)
Digital Power, Phase and Input DC Offset Calibration
SPI-Compatible Serial Interface
Pulse Output with Programmable Frequency
Interrupt Request Pin (IRQ) and IRQ Status Register
Proprietary ADCs and DSP provide High Accuracy over Large Variations in Environmental Conditions and Time
Single 5 V Supply, Low Power Consumption (25 mW Typical)
On-Chip Digital Integrator Allows Direct Interface with Current Sensors with di/dt Output Such as Rogowski Coil
Less Than 0.1% Error over a Dynamic Range of 1000 to 1
On-Chip User-Programmable Threshold for Line Voltage SAG Detection and PSU Supervisory
The ADE7759 Supplies Sampled Waveform Data and Active Energy (40 Bits)
Digital Power, Phase and Input DC Offset Calibration
SPI-Compatible Serial Interface
Pulse Output with Programmable Frequency
Interrupt Request Pin (IRQ) and IRQ Status Register
Proprietary ADCs and DSP provide High Accuracy over Large Variations in Environmental Conditions and Time
Single 5 V Supply, Low Power Consumption (25 mW Typical)
ADE7759* 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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