ADE7566ASTZF16 Equivalent & Substitute Parts

Part Overview

The ADE7566ASTZF16 is a single-phase energy meter IC manufactured by Analog Devices Inc., designed for power management applications in a 64-LQFP package. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing system design and production continuity. The part delivers 0.1% measurement accuracy with a supply voltage range of 2.4V to 3.7V and operates across industrial temperature ranges from -40°C to 85°C.

Substiute Parts

ADE7566ASTZF16

Analog Devices Inc.In Stock: 9088ADE7566ASTZF16 Datasheet

Current PartRFQ

ADE7953ACPZ

Analog Devices Inc.In Stock: 22441ADE7953ACPZ Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The ADE7953ACPZ qualifies as a substitute for the ADE7566ASTZF16 based on the following critical parameters:

Functional Equivalence: Both components are single-phase energy meter ICs from Analog Devices Inc., designed for identical application categories within power management systems.

Measurement Accuracy: Both parts maintain 0.1% measurement error, ensuring equivalent metering precision in energy measurement applications.

Operating Temperature Range: Both components operate across -40°C to 85°C, supporting identical thermal operating conditions.

Voltage Logic Levels: Both parts share compatible I/O voltage specifications (Voltage - I/O High: 2.4V; Voltage - I/O Low: 0.4V), enabling direct signal interface compatibility.

Moisture Sensitivity: Both components carry MSL 3 (168 Hours) classification, indicating equivalent moisture handling requirements during storage and assembly.

Regulatory Compliance: Both parts are classified under ECCN EAR99 and HTSUS 8542.39.0001, maintaining consistent export and tariff classification.

Key Difference - Package: The substitute uses a 28-LFCSP-WQ (5x5) package versus the original 64-LQFP (10x10) package. This represents a significant physical and pin-count difference requiring PCB redesign and firmware adaptation.

Parameter Comparison

Engineering Selection Recommendations

The ADE7953ACPZ is an active-status substitute for the obsolete ADE7566ASTZF16, providing continued access to single-phase energy metering functionality from Analog Devices Inc. Both components maintain identical measurement accuracy (0.1%) and thermal operating ranges (-40°C to 85°C), supporting equivalent performance in energy meter applications.

The substitute carries ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic component manufacturing and distribution.

Supply current increases from 4mA to 7mA in the substitute, requiring verification that power budgets accommodate this 75% increase. The supply voltage range narrows from 2.4V–3.7V to 3V–3.6V, necessitating confirmation that system power rails operate within the tighter specification window.

The most significant design consideration is the package transition from 64-LQFP to 28-LFCSP-WQ, requiring complete PCB layout redesign and potential firmware modifications due to reduced pin count and altered pinout configuration.

Frequently Asked Questions (FAQ)

Q: Can the ADE7953ACPZ directly replace the ADE7566ASTZF16 without PCB modifications?

A: No. The package change from 64-LQFP (10x10) to 28-LFCSP-WQ (5x5) requires PCB redesign. Pin assignments differ between the two packages, necessitating schematic and layout updates.

Q: Are the measurement accuracies identical between these parts?

A: Yes. Both components specify 0.1% measurement error, maintaining equivalent metering precision for energy measurement applications.

Q: What is the impact of increased supply current on system design?

A: Supply current increases from 4mA to 7mA. Power supply capacity and thermal management must be re-evaluated to accommodate this 75% increase in current draw.

Q: Do both parts operate across the same temperature range?

A: Yes. Both the ADE7566ASTZF16 and ADE7953ACPZ operate from -40°C to 85°C, supporting identical thermal operating conditions.

Q: Is the supply voltage range compatible between these parts?

A: The ranges differ. The original operates at 2.4V–3.7V while the substitute operates at 3V–3.6V. System power rails must be verified to operate within the narrower 3V–3.6V window.

Q: What is the product status difference, and why does it matter?

A: The ADE7566ASTZF16 is obsolete, while the ADE7953ACPZ is active. Active status ensures ongoing availability, technical support, and manufacturing continuity for new designs and production runs.

Q: Are moisture sensitivity requirements the same?

A: Yes. Both components carry MSL 3 (168 Hours) classification, requiring identical moisture control procedures during storage, handling, and assembly.

Q: Do both parts share the same regulatory classifications?

A: Yes. Both are classified as ECCN EAR99 and HTSUS 8542.39.0001, maintaining consistent export and tariff treatment.