Overview
The ADE7753ARSZ from Analog Devices Inc. is a highly integrated, single-phase energy metering IC designed for accurate and reliable measurement of active and apparent energy. This device incorporates advanced signal processing capabilities, including two second-order 16-bit Σ-Δ analog-to-digital converters (ADCs), a digital integrator, and a temperature sensor. It is particularly suited for applications requiring high accuracy over a wide range of environmental conditions and time.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage (AVDD, DVDD) | 5 V ± 5% |
| Operating Temperature Range | -40°C to +85°C |
| ADC Resolution | 16-bit |
| ADC Type | Second-order Σ-Δ |
| Sampling Clock | CLKIN/4 |
| Period Measurement Resolution | 2.2 μs/LSB (at 60 Hz line frequency) |
| Temperature Measurement Resolution | Approximately 1.5 LSB/°C |
| Package Type | 20-SSOP |
Key Features
- High accuracy energy metering with proprietary ADCs and DSP.
- On-chip digital integrator for direct interface with di/dt current sensors like Rogowski coils.
- Temperature sensor for ambient temperature measurement.
- Period measurement capability with a resolution of 2.2 μs/LSB at 60 Hz line frequency.
- On-chip power supply monitor to ensure correct device operation during power-up and power-down.
- Support for external reference source with a nominal on-chip reference value of 2.4 V ± 8%.
Applications
- Single-phase energy meters.
- Smart grid applications.
- Industrial power monitoring systems.
- Automated meter reading (AMR) systems.
- Home energy management systems.
Q & A
- What is the primary function of the ADE7753ARSZ? The primary function of the ADE7753ARSZ is to provide accurate and reliable measurement of active and apparent energy in single-phase applications.
- What type of ADCs does the ADE7753ARSZ use? The ADE7753ARSZ uses two second-order 16-bit Σ-Δ analog-to-digital converters.
- What is the operating temperature range of the ADE7753ARSZ? The operating temperature range is -40°C to +85°C.
- Does the ADE7753ARSZ have a built-in temperature sensor? Yes, the ADE7753ARSZ includes a built-in temperature sensor for ambient temperature measurement.
- How does the ADE7753ARSZ handle power supply monitoring? The ADE7753ARSZ has an on-chip power supply monitor that ensures the device operates correctly during power-up and power-down by going into an inactive state if the supply voltage is below 4 V ± 5%.
- What is the resolution of the period measurement in the ADE7753ARSZ? The period measurement resolution is 2.2 μs/LSB at a 60 Hz line frequency.
- Can the ADE7753ARSZ use an external reference source? Yes, the ADE7753ARSZ supports the use of an external reference source in addition to its on-chip reference.
- What is the package type of the ADE7753ARSZ? The ADE7753ARSZ is packaged in a 20-SSOP.
- What are some common applications of the ADE7753ARSZ? Common applications include single-phase energy meters, smart grid systems, industrial power monitoring, and home energy management systems.
- How does the ADE7753ARSZ integrate with di/dt current sensors? The ADE7753ARSZ has an on-chip digital integrator that provides a direct interface to di/dt current sensors such as Rogowski coils.
