ADE7854ACPZ - Brand New Analog Devices Energy Metering
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Description
The ADE7854/ADE7858/ADE7868/ADE7878 are 3-phase electrical energy measurement ICs with high accuracy and serial interfaces. These devices support several international standards including EN 50470-1, EN 50470-3, IEC 62053-21, IEC 62053-22, and IEC 62053-23. The ADE78xx devices come with three flexible pulse outputs and incorporate second-order sigma-delta (Σ-∆) analog-to-digital converters (ADCs), a digital integrator, reference circuitry, and all signal processing required to perform fundamental and harmonic total active, reactive energy measurement and rms calculations. The ADE7878 also provides fundamental-only active and reactive energy measurement and rms calculations. The DSP program used for signal processing is stored in the internal ROM memory.
Specifications and features
- High accuracy
- 3-phase and 3- or 4-wire (delta or wye) compatible
- 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 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
- Current transformer and di/dt current sensors support
- 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 wave 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 anti-tampering detection (ADE7868 and ADE7878 only)
- 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
Application Scenarios
The ADE7854ACPZ electronic component is commonly used in energy metering systems.
Comparison
Advantages- Highly accurate energy measurement
- Compatible with several international standards
- Supports various types of 3-phase services
- Flexible pulse outputs
- Low error rates in energy measurements
- Supports current transformer and di/dt current sensors
- Wide-supply voltage operation
- Flexible interfaces
Disadvantages- Not suitable for single-phase energy measurement
- Requires external overdrive capability for reference circuitry
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Datasheet
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- Datasheet: Download ADE7854ACPZ
- Chipdatas Part: CD89-ADE7854ACPZ
- Warehouse: China, Hong Kong
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- Last Updated: 2024/10/01 16:17 +0800
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