Overview
The ADE7753ARSZRL, produced by Analog Devices Inc., is a highly integrated, single-phase energy metering IC designed for accurate measurement of electrical energy. It features advanced analog-to-digital converters (ADCs) and digital signal processing (DSP) to ensure high accuracy across various environmental conditions and over time. This IC is particularly suited for applications requiring precise energy metering in single-phase systems.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Voltage (AVDD, DVDD) | 5 V ± 5% | TMIN to TMAX = -40°C to +85°C |
| On-Chip Reference Voltage | 2.4 V ± 8% | - |
| Temperature Range | -40°C to +85°C | - |
| Input Impedance | 390 kOhm | - |
| CLKIN Frequency | 3.579545 MHz | - |
| ADC Type | Second-order Σ-Δ ADCs | - |
| Package Type | 20-SSOP | - |
Key Features
- High Accuracy Energy Metering: The ADE7753 features proprietary ADCs and DSP for accurate energy measurement over large variations in environmental conditions and time.
- On-Chip Digital Integrator: Provides a direct interface to di/dt current sensors such as Rogowski coils, eliminating the need for external integrators.
- Period Measurement: The IC includes a period measurement function with a resolution of 2.2 μs/LSB when CLKIN = 3.579545 MHz.
- Power Supply Monitor: Continuously monitors the analog supply voltage and enters an inactive state if the voltage falls below 4 V ± 5%.
- Temperature Measurement: Capable of performing temperature measurements, although the measurement is uncalibrated with an offset tolerance of up to ±25°C.
- Zero-Crossing Detection: Includes zero-crossing detection with a timeout mechanism to handle fixed DC levels.
Applications
- Single-Phase Energy Meters: Ideal for residential and commercial energy metering applications.
- Smart Grid Systems: Suitable for advanced metering infrastructure in smart grid environments.
- Industrial Automation: Can be used in industrial automation systems requiring precise energy monitoring.
- Power Quality Monitoring: Useful for monitoring power quality parameters in various electrical systems.
Q & A
- What is the primary function of the ADE7753ARSZRL?
The primary function of the ADE7753ARSZRL is to provide accurate single-phase energy metering.
- What type of ADCs does the ADE7753 use?
The ADE7753 uses second-order Σ-Δ ADCs.
- What is the typical temperature coefficient of the on-chip reference voltage?
The typical temperature coefficient of the on-chip reference voltage is 30 ppm/°C.
- How does the power supply monitor function in the ADE7753?
The power supply monitor continuously checks the analog supply voltage and puts the device into an inactive state if the voltage falls below 4 V ± 5%.
- What is the resolution of the period measurement register?
The resolution of the period measurement register is 2.2 μs/LSB when CLKIN = 3.579545 MHz.
- Can the ADE7753 perform temperature measurements?
Yes, the ADE7753 can perform temperature measurements, although these measurements are uncalibrated with an offset tolerance of up to ±25°C.
- What is the purpose of the zero-crossing detection feature?
The zero-crossing detection feature is used to detect the zero-crossing points of the line voltage and includes a timeout mechanism to handle fixed DC levels.
- What is the input impedance of the ADE7753?
The input impedance of the ADE7753 is 390 kOhm.
- In what package type is the ADE7753ARSZRL available?
The ADE7753ARSZRL is available in a 20-SSOP package.
- What are some common applications of the ADE7753ARSZRL?
Common applications include single-phase energy meters, smart grid systems, industrial automation, and power quality monitoring.
