3-Channel, Isolated, Sigma Delta ADC with SPI
TheADE7912/ADE7913 are isolated, 3-channel Σ-Δ ADCs for a variety of applications such as shunt-based polyphase meters, power quality monitoring, solar inverters, process monitoring and protective devices. Data and power isolation are based on the Analog Devices, Inc., iCoupler® technology. The ADE7912 features two 24-bit ADCs, and the ADE7913 features three ADCs. The current ADC provides a 67 dB signal-to-noise ratio over a 3 kHz signal bandwidth, whereas the voltage ADCs provide a SNR of 72 dB over the same bandwidth. One channel is dedicated to measuring the voltage across a shunt when the shunt is used for current sensing. Up to two additional channels are dedicated to measuring voltages, which are usually sensed using resistor dividers. One voltage channel can be used to measure the temperature of the die via an internal sensor. The ADE7913 includes three channels: one current and two voltage channels. The ADE7912 has one voltage channel but is otherwise identical to the ADE7913.
- Shunt based polyphase meters
- Power quality monitoring
- Solar inverters
- Process monitoring
- Protective devices
- Isolated sensor interfaces Industrial PLCs
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This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
The ADE7913 evaluation kit includes three boards that together allow the performance of the ADE7913 isolated sigma delta ADC to be evaluated in a context very close to an actual three phase meter implementation. The ADE7913 evaluation kit includes evaluation software, written in LabVIEW®, that provides access to the registers of every ADE7913 using a PC interface.
The file contains the evaluation board schematic, the bill of materials of the board, the layout files and the ADE7913 evaluation software installation files.
Customer Case Studies
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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.