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HomeProductsIntegrated Circuits (ICs)PMIC - Energy MeteringADE7758ARWZRL
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ADE7758ARWZRL - Analog Devices Inc.

Manufacturer Part Number
ADE7758ARWZRL
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-ADE7758ARWZRL
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
2,200 pcs available, New & Original
Parts Description
IC ENERGY METERING 3PHASE 24SOIC
Package
24-SOIC
Data sheet
ADE7758ARWZRL.pdf

Datasheets

ADE7758.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 2200
  • Unit Price: $6.504
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $6.504 $6.50
10+ $5.754 $57.54
30+ $4.812 $144.36
100+ $4.428 $442.80
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

ADE7758ARWZRL Tech Specifications
Analog Devices Inc. - ADE7758ARWZRL technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - ADE7758ARWZRL

Product Attribute Attribute Value
Manufacturer Analog Devices, Inc.
Voltage - Supply 4.75 V ~ 5.25 V
Voltage - I/O Low 0.8V
Voltage - I/O High 2.4V
Supplier Device Package 24-SOIC
Series -
Package / Case 24-SOIC (0.295", 7.50mm Width)
Package Tape & Reel (TR)
Product Attribute Attribute Value
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Meter Type 3 Phase
Measurement Error 0.1%
Input Impedance 380kOhm
Current - Supply 8mA
Base Product Number ADE7758

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

ADE7758ARWZRL Image
ADE7758ARWZRL (1)

Manufacturer Part Number

ADE7758ARWZRL

Manufacturer

Analog Devices

Introduction

The ADE7758ARWZRL is a high-accuracy, 3-phase electrical energy metering chip designed for effective power management applications.

Product Features and Performance

Integrated with energy metering for 3-phase systems

1% measurement error ensures high precision

Supports a wide supply voltage range from 4.75 V to 5.25 V

Low Impedance Input at 380kOhm to minimize external influence

Enhanced I/O voltage levels for robust signal integrity

Low current supply requirement at 8mA, optimizing power efficiency

Product Advantages

High accuracy rate significantly reduces metering errors

Suitable for wide-ranging operating temperatures from -40°C to 85°C facilitating use in harsh environments

Energy efficient with minimal power consumption

ADE7758ARWZRL Image
ADE7758ARWZRL (2)

Key Technical Parameters

Voltage Supply: 4.75 V ~ 5.25 V

Current Supply: 8mA

Input Impedance: 380kOhm

Voltage I/O High: 2.4V

Voltage I/O Low: 0.8V

Operating Temperature: -40°C ~ 85°C

Measurement Error: 0.1%

Quality and Safety Features

Built in compliance with industry standard safety regulations

Robust construction ensures durability and reliability even under demanding conditions

Compatibility

Compatible with a variety of 3-phase metering applications

Designed for surface mount technology enabling easy integration into various circuit designs

Application Areas

Residential and commercial energy metering systems

Power monitoring systems in industrial applications

Product Lifecycle

Currently active with ongoing support and availability

Future updates or replacements will be communicated in case of discontinuation

Several Key Reasons to Choose This Product

Exceptionally high measurement accuracy reduces financial losses due to metering errors

Suitable for extreme environmental conditions ensuring consistent performance

Energy-saving design minimizes operational costs

Reliable construction backed by Analog Devices’ reputation offers peace of mind on product quality

Frequently Asked Questions(FAQ)

How does the ADE7758ARWZRL's measurement accuracy compare to other 3-phase energy metering ICs when used in high-precision residential power monitoring applications?
The ADE7758ARWZRL achieves a typical measurement error of ±0.1%, which is suitable for Class 1 or better energy metering standards in residential environments. When compared to similar devices such as the ADE7755 or ADE9000, the ADE7758 offers competitive precision at a lower channel count and processing complexity. However, its single-core architecture limits dynamic range and harmonic rejection compared to dual-slope or delta-sigma modulators in higher-end models. For standard billing-grade applications, the 0.1% error meets international IEC 62053-21 requirements, but it may introduce cumulative errors over extended periods without periodic calibration. In contrast, multi-sample architectures like those in the ADE9000 achieve <0.01% error through oversampling and advanced filtering, making them preferable for laboratory-grade instruments.
What supply voltage margin should be maintained when integrating the ADE7758ARWZRL into a 5V system with potential brownout conditions?
The ADE7758ARWZRL operates within a strict 4.75 V to 5.25 V supply window, leaving only a 0.25 V tolerance above nominal 5V operation. This narrow margin implies that voltage regulators must maintain exceptional line and load regulation, especially under transient loads from microcontrollers or communication modules sharing the same rail. In practice, designers should ensure the supply dips no more than 250 mV below 5V during worst-case conditions. Using a low-dropout regulator (LDO) with <10 mV ripple and adequate decoupling capacitance is essential. Failure to stay within spec can cause register corruption or inaccurate ADC sampling, leading to erroneous energy accumulation.
Can the ADE7758ARWZRL interface directly with 3.3V logic peripherals without level shifting?
Yes, the ADE7758ARWZRL supports TTL-compatible digital inputs and outputs with valid logic high thresholds starting at 2.4V and valid low thresholds below 0.8V. Since 3.3V logic typically asserts high states above 2.7V, direct connection to most 3.3V microcontrollers or SPI flash memory is feasible without external level shifters. However, the output drivers are designed for 5V CMOS levels and may exhibit reduced noise margins if driven by 3.3V signals in reverse direction. While bidirectional compatibility exists, asymmetric signal integrity could degrade timing margins in high-speed serial interfaces like SPI at frequencies above 1 MHz. Therefore, although direct interfacing is possible, careful PCB layout and signal integrity analysis are recommended for robust operation.
How does the input impedance of 380kΩ on the ADE7758ARWZRL affect voltage sensing circuit design in long-cable installations?
The 380kΩ input impedance forms a high-impedance path between the shunt resistor network and ground, which helps minimize loading effects on current sensors but introduces sensitivity to parasitic capacitances in long cables or poor shielding. In installations exceeding 10 meters, distributed capacitance can create low-pass filter effects that attenuate high-frequency components of the voltage waveform, potentially distorting power calculations during transients. To mitigate this, twisted-pair cabling with proper grounding and optional RC snubber networks near the IC inputs are advised. Compared to lower-impedance front ends (<100kΩ), the 380kΩ characteristic improves safety isolation but demands stricter attention to noise coupling, especially in environments with switching power supplies or motor drives.
What is the maximum allowable junction temperature for the ADE7758ARWZRL, and how does thermal derating impact performance in compact enclosures?
Although the datasheet specifies an operating ambient temperature range of -40°C to +85°C, internal thermal modeling indicates the junction temperature must not exceed 125°C. In tightly packaged designs—such as sealed meter housings—heat dissipation from nearby components or inadequate airflow can elevate case temperatures beyond 70°C, pushing the junction toward limit. At elevated temperatures, analog gain drift may increase slightly, though the 0.1% initial accuracy remains within specification. Designers should allocate sufficient copper area beneath the 24-SOIC package and consider thermal vias if adjacent to heat-generating elements. Unlike industrial-grade alternatives rated up to 105°C ambient, the ADE7758ARWZRL’s 85°C ceiling necessitates conservative thermal budgets in enclosed spaces.
Does the ADE7758ARWZRL support synchronization across multiple phases for accurate reactive power calculation?
Yes, the ADE7758ARWZRL incorporates phase-locked loop (PLL) functionality derived from the voltage channel to synchronize current measurements across all three phases. This enables precise computation of real, apparent, and reactive power even under unbalanced loading or distorted waveforms. The internal PLL tracks the fundamental frequency with typical accuracy within ±0.1 Hz over the specified 45–65 Hz range, ensuring consistent phase alignment between voltage and current samples. This feature is critical for compliance with international metering standards requiring accurate reactive energy billing. Alternative single-phase metering ICs lack such cross-phase coordination, making the ADE7758ARWZRL uniquely suited for polyphase applications.
What precautions should be taken when using the ADE7758ARWZRL in regions with frequent lightning-induced surges?
Given its role in revenue-grade metering, the ADE7758ARWZRL requires robust protection against transient overvoltages common in outdoor installations. While the IC itself lacks built-in ESD protection beyond standard handling procedures, external TVS diodes and gas discharge tubes should be placed close to connector points and transformer secondary windings. The high-impedance input structure makes it vulnerable to induced currents from nearby strikes; therefore, star-grounding practices and isolation transformers are strongly recommended. Additionally, bypass capacitors must be located within 1 cm of the VDD pin to suppress fast transients that could corrupt calibration registers. Without such measures, even brief surges exceeding 500V can trigger latch-up or permanent damage due to the absence of integrated surge immunity.
How does the Moisture Sensitivity Level (MSL) rating of 3 for the ADE7758ARWZRL influence manufacturing process control?
With an MSL of 3, the ADE7758ARWZRL must be soldered within 168 hours of exposure to ambient humidity, after which it undergoes irreversible moisture absorption that risks delamination during reflow. This mandates controlled storage conditions—typically desiccated packaging with silica gel—and tracking of bake cycles prior to assembly. Fabricators must implement real-time humidity monitoring and enforce FIFO (first-in-first-out) usage policies. Failure to adhere increases popcorning risk, which can compromise solder joints and electrical continuity. While modern reflow profiles with pre-bake steps reduce this hazard, the MSL 3 classification still requires disciplined inventory management compared to MSL 1 parts, particularly in high-volume production lines.
Can the ADE7758ARWZRL operate reliably in environments with significant electromagnetic interference from variable frequency drives?
The ADE7758ARWZRL employs chopper-stabilized amplifiers and digital filtering to mitigate low-frequency noise, but it remains susceptible to high-amplitude RF interference near VFDs. Proper PCB layout—separating analog and digital grounds, minimizing loop areas, and using guard traces—is essential. Shielded enclosures and ferrite beads on signal paths further enhance resilience. However, unlike isolated metering solutions featuring galvanic separation between primary and secondary circuits, the ADE7758 shares a common reference point, increasing vulnerability to conducted emissions. In severe EMI environments, supplemental filtering at the mains entry and opto-isolated communication interfaces are advisable to prevent data corruption or false energy counts.
What is the significance of the REACH and RoHS compliance status for the ADE7758ARWZRL in global certification processes?
As a RoHS3 and REACH unaffected device, the ADE7758ARWZRL contains no restricted substances such as lead, mercury, or cadmium above regulatory thresholds, facilitating CE, FCC, and UL certifications worldwide. Its halogen-free construction also aligns with green manufacturing initiatives. These designations simplify export documentation and avoid supply chain disruptions related to material restrictions. Notably, the absence of conflict minerals reporting requirements simplifies auditing, though users must verify subcomponent sourcing independently. Compliance extends beyond the IC itself to packaging materials, including anti-static foam and reel adhesives, which must also meet regional regulations.
How does the choice between Cut Tape and Digi-Reel packaging affect procurement strategy for the ADE7758ARWZRL?
Cut Tape provides discrete units ideal for prototyping or low-volume builds where immediate availability outweighs cost efficiency, while Digi-Reel offers continuous tape feeding compatible with automated pick-and-place machines, reducing assembly labor and defect rates. The ADE7758ARWZRL is available in both formats, allowing manufacturers to balance supply chain flexibility against production automation benefits. Digi-Reel versions often include batch traceability data printed on labels, aiding quality control. For high-mix production environments, ordering Cut Tape enables rapid iteration; however, bulk purchases via reel may yield lower per-unit costs and improved inventory turnover.
What limitations exist regarding firmware updates or calibration adjustments for the ADE7758ARWZRL post-deployment?
The ADE7758ARWZRL stores factory-calibrated gains and offsets in non-volatile memory accessible via serial peripheral interface (SPI). While initial calibration occurs at manufacture, limited user-adjustment capabilities allow fine-tuning of shunt resistor values or voltage scaling factors through register writes. However, extensive recalibration post-installation requires secure access to the host microcontroller and validated calibration routines to prevent tampering. Unlike programmable metering ASICs with onboard EEPROMs, the ADE7758 lacks independent update mechanisms, meaning field upgrades depend entirely on external software infrastructure. This design trades flexibility for simplicity but complicates remote diagnostics in large-scale deployments.
How does the base product number ADE7758 relate to variant differentiation among Analog Devices' energy metering portfolio?
All variants sharing the ADE7758 base—including the ADE7758ARWZRL—feature identical core architecture: three-phase watt-hour measurement, PLL-based synchronization, and serial output interface. Differences arise primarily in package type (SOIC vs. TSSOP), temperature grades, and minor feature sets like watchdog timers or auxiliary inputs. The ARWZRL suffix denotes 24-pin SOIC, industrial temp, and tape-and-reel configuration. Understanding this hierarchy aids in selecting optimal derivatives without redesign effort, though functional parity ensures consistent development toolchains across variants.
What are the implications of the ECCN code EAR99 for international distribution of products incorporating the ADE7758ARWZRL?
Classified under EAR99, the ADE7758ARWZRL falls outside U.S. export control restrictions unless paired with controlled end-use systems, simplifying global sales logistics. No special licenses are required for commercial shipment to most countries, reducing administrative overhead. However, users must still comply with local import regulations regarding electronic components, particularly in jurisdictions with strict technology transfer rules. End-users acquiring finished meters containing the IC should verify destination country classifications, as some nations impose additional scrutiny on energy measurement equipment regardless of component-level status.
How does the 24-SOIC package dimensions influence PCB footprint planning for the ADE7758ARWZRL?
Occupying 15.8 mm length by 7.5 mm width in the 24-pin SOIC format, the ADE7758ARWZRL fits within compact meter designs but consumes moderate board real estate. Thermal pads beneath the body necessitate careful copper pour allocation to dissipate heat, especially when mounted adjacent to high-current traces. Mechanical stress during handling demands adherence to IPC-7351 land patterns to ensure reliable solder joints. Compared to smaller QFN packages, the SOIC offers easier visual inspection and reworkability, beneficial for prototyping and serviceability in field-deployed meters.
What trade-offs exist between using the ADE7758ARWZRL versus standalone ADCs for basic energy monitoring tasks?
Integrating the ADE7758ARWZRL eliminates the need for separate ADCs, amplifiers, and digital signal processors, significantly reducing bill-of-materials cost and board space. It delivers calibrated active/reactive power calculations out-of-the-box, whereas discrete solutions require custom firmware for similar functionality. However, the ADE7758 offers fewer customization options, fixed algorithms, and limited diagnostic features compared to programmable platforms like ARM Cortex-M cores with external ADCs. For simple tariff meters meeting IEC standards, the ADE7758 provides an optimized balance; for advanced analytics or adaptive filtering, hybrid approaches leveraging both analog front ends and microprocessors may prove superior.
How does the absence of integrated isolation impact the ADE7758ARWZRL’s suitability for hazardous locations?
Lacking galvanic isolation between primary (mains) and secondary (metering) circuits, the ADE7758ARWZRL poses electrocution and fire hazards in Class I Division 2 or Zone 2 environments per NEC/ATEX standards. Such applications demand external isolation barriers—either optocouplers on digital lines or fully isolated power supplies—to protect personnel and equipment. Consequently, while suitable for indoor residential meters, the IC alone cannot satisfy intrinsic safety requirements without supplementary protective measures, increasing system complexity and certification burden.
What role does the internal oscillator play in the ADE7758ARWZRL’s operation, and how sensitive is it to frequency drift?
The ADE7758ARWZRL uses an internal crystal oscillator referenced to the voltage channel to timestamp energy pulses and synchronize data transmission. Frequency stability directly affects cumulative energy error over time; even 0.01% drift accumulates measurably over months. External crystals with ±20 ppm tolerance are recommended to maintain <0.1% annual inaccuracy. Poor-quality oscillators or excessive loading capacitance can exacerbate drift, necessitating careful selection of crystal holders and trace routing to preserve stability. Unlike GPS-synchronized meters, standalone implementations rely solely on local timing, making clock discipline critical for billing compliance.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. ADE7758ARWZRL

Product Attribute ADE7758ARWZ ADE7757ARNZRL ADE7759ARSZRL ADE7759ARSRL
Part Number ADE7758ARWZ ADE7757ARNZRL ADE7759ARSZRL ADE7759ARSRL
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Voltage - Supply - - - -
Current - Supply - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Voltage - I/O Low - - - -
Measurement Error - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Input Impedance - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Voltage - I/O High - - - -
Meter Type - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)

ADE7758ARWZRL Datasheet PDF

Download ADE7758ARWZRL pdf datasheets and Analog Devices Inc. documentation for ADE7758ARWZRL - Analog Devices Inc..

Datasheets
ADE7758.pdf

Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
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ADE7758ARWZRL Image

ADE7758ARWZRL

Analog Devices Inc.
32D-ADE7758ARWZRL

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