1. Products
  2. A/D Converters (ADC)
  3. Integrated/Special Purpose A/D Converters
  4. Energy Metering ICs
  5. ADE7868

Alternative Parts


Features and Benefits

  • Highly accurate; supports EN 50470-1, EN 50470-3, IEC 62053-21, IEC 62053-22, and IEC 62053-23 standards
  • Compatible with 3-phase, 3- or 4-wire (delta or wye), and other 3-phase services
  • Supplies total (fundamental and harmonic) active, reactive (ADE7878, ADE7868, and ADE7858 only), and apparent energy, and fundamental active/reactive energy (ADE7878 only) on each phase and on the overall system
  • Less than 0.1% error in active and reactive energy over a dynamic range of 1000 to 1 at TA = 25°C
  • Less than 0.2% error in active and reactive energy over a dynamic range of 3000 to 1 at TA = 25°C
  • Supports current transformer and di/dt current sensors
  • Dedicated ADC channel for neutral current input (ADE7868 and ADE7878 only)
  • Less than 0.1% error in voltage and current rms over a dynamic range of 1000 to 1 at TA = 25°C
  • Supplies sampled waveform data on all three phases and on neutral current
  • Selectable no load threshold levels for total and fundamental active and reactive powers, as well as for apparent powers
  • Low power battery mode monitors phase currents for antitampering detection (ADE7868 and ADE7878 only)
  • Battery supply input for missing neutral operation
  • Phase angle measurements in both current and voltage channels with a typical 0.3° error
  • Wide-supply voltage operation: 2.4 V to 3.7 V
  • Reference: 1.2 V (drift +5 ppm/°C typical) with external overdrive capability
  • Single 3.3 V supply
  • 40-lead lead frame chip scale package (LFCSP), Pb-free
  • Operating temperature: −40°C to +85°C
  • Flexible I2C, SPI, and HSDC serial interfaces

Product Details

The ADE7854 / ADE7858 / ADE7868 / ADE7878 are high accuracy, 3-phase electrical energy measurement ICs with serial interfaces and three flexible pulse outputs. The ADE78xx devices incorporate second-order sigma-delta (Σ-∆) analog-to-digital converters (ADCs), a digital integrator, reference circuitry, and all of the signal processing required to perform total (fundamental and harmonic) active, reactive (ADE7878, ADE7868, and ADE7858), and apparent energy measurement and rms calculations, as well as fundamental-only active and reactive energy measurement (ADE7878) and rms calculations. A fixed function digital signal processor (DSP) executes this signal processing. The DSP program is stored in the internal ROM memory. 

The ADE7854 / ADE7858 / ADE7868 / ADE7878 are suitable for measuring active, reactive, and apparent energy in various 3-phase configurations, such as wye or delta services, with both three and four wires. The ADE78xx devices provide system calibration features for each phase, that is, rms offset correction, phase calibration, and gain calibration. The CF1, CF2, and CF3 logic outputs provide a wide choice of power information: total active, reactive, and apparent powers, or the sum of the current rms values, and fundamental active and reactive powers.

The ADE7854 / ADE7858 / ADE7868 / ADE7878 contain waveform sample registers that allow access to all ADC outputs. The devices also incorporate power quality measurements, such as short duration low or high voltage detections, short duration high current variations, line voltage period measurement, and angles between phase voltages and currents. Two serial interfaces, SPI and I2C, can be used to communicate with the ADE78xx. A dedicated high speed interface, the high speed data capture (HSDC) port, can be used in conjunction with I2C to provide access to the ADC outputs and real-time power information. The ADE7854 / ADE7858 / ADE7868 / ADE7878 also have two interrupt request pins, IRQ0 and IRQ1, to indicate that an enabled interrupt event has occurred. For the ADE7868 / ADE7878, three specially designed low power modes ensure the continuity of energy accumulation when the ADE6878 / ADE7878 is in a tampering situation. See Table 1 for a quick reference chart listing each part and its functions. The ADE78xx are available in the 40-lead LFCSP, Pb-free package.


  • Energy metering systems

Product Lifecycle icon-not-recommended Not Recommended for New Designs

This designates products ADI does not recommend broadly for new designs.

Evaluation Kits (1)

Documentation & Resources

  • View All (11)
  • Data Sheets (1)
  • Application Notes (4)
  • User Guides (1)
  • Product Highlight (1)
  • Frequently Asked Questions (1)
  • Technical Articles (3)
  • Product Recommendations

    ADE7868 Companion Parts

    Recommended Digital Isolators

    • For a dual, bi-directional, 2.5kV, hot swap isolator: ADUM1250.
    • For a dual, bi-directional, 5kV, hot swap isolator: ADuM2250.

    Recommended External References

    • For high precision, low dropout, 10mA output: ADR3412.
    • For low drift, low noise, low power, low cost: ADR280.

    Recommended RS-485/RS-422 Data Transceivers

    • For low power, half duplex transceiver in 8-lead SOIC package: ADM487E.
    • For isolated full/half duplex transceiver with integrated transformer driver: ADM2487E.

    Design Resources

    ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.

    Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
    ADE7868ACPZ Material Declaration Reliability Data 40-Lead LFCSP (6mm x 6mm w/ EP)
    ADE7868ACPZ-RL Material Declaration Reliability Data 40-Lead LFCSP (6mm x 6mm w/ EP)
    Wafer Fabrication Data

    PCN-PDN Information

    Select a model from the dropdown below to subscribe to PCN/PDN notifications and view past notifications as well.

    Sample & Buy

    Ordering FAQs

    See our Ordering FAQs for answers to questions about online orders, payment options and more.


    Buy Now Pricing

    (**) Displayed Buy Now Price and Price Range is based on small quantity orders.


    List Pricing

    (*)The 1Ku 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. authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


    Lead Times

    Please see the latest communication from our CCO regarding lead times.



    Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.

    Price Table Help


    Evaluation Boards

    Pricing displayed is based on 1-piece.

    Up to two boards can be purchased through Analog.com. To order more than two, please purchase through one of our listed distributors.

    Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.