ADE7761AARSZ Equivalent & Substitute Parts

Part Overview

The ADE7761AARSZ is a single-phase energy metering IC manufactured by Analog Devices Inc., housed in a 20-SSOP surface mount package. This device is classified as obsolete, which necessitates identification of active equivalent parts for new designs and ongoing production requirements. The ADE7761AARSZ delivers 0.1% measurement accuracy and operates across the industrial temperature range of -40°C to 85°C, making it suitable for precision energy measurement applications.

Substiute Parts

ADE7761AARSZ

Analog Devices Inc.In Stock: 1256ADE7761AARSZ Datasheet

Current PartRFQ

ADE7761BARSZ

Analog Devices Inc.In Stock: 5334ADE7761BARSZ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The ADE7761BARSZ qualifies as a direct substitute for the ADE7761AARSZ based on the following critical parameters:

• Identical Package: Both devices use 20-SSOP (0.209", 5.30mm Width) surface mount packaging, ensuring PCB layout compatibility
• Identical Meter Type: Both are single-phase energy metering ICs
• Identical Measurement Accuracy: Both maintain 0.1% measurement error specification
• Identical Supply Voltage Range: Both operate at 4.75 V ~ 5.25 V
• Identical Operating Temperature Range: Both function across -40°C ~ 85°C
• Identical I/O Voltage Levels: Both share identical Voltage - I/O High (2.4V, 4V) and Voltage - I/O Low (0.8V, 1V) specifications
• Identical Mounting Type: Both are surface mount devices
• Identical MSL Rating: Both have MSL 1 (Unlimited)

The ADE7761BARSZ is currently in active production status, whereas the ADE7761AARSZ is obsolete, making the former the recommended selection for new designs and production continuity.

Parameter Comparison

Engineering Selection Recommendations

The ADE7761BARSZ is the appropriate selection for applications currently using or specifying the ADE7761AARSZ. The substitute part maintains functional and electrical equivalence across all critical parameters while offering the advantage of active production status and regulatory compliance certifications. The ADE7761BARSZ carries ROHS3 compliance and REACH unaffected status, supporting modern supply chain and environmental requirements. The minor increase in supply current (3.65mA versus 3mA) and input impedance (790kOhm versus 400kOhm) do not impact substitution suitability for single-phase energy metering applications within the specified electrical and thermal operating ranges.

Frequently Asked Questions (FAQ)

Q: Can the ADE7761BARSZ be used as a direct replacement for the ADE7761AARSZ in existing designs?

A: Yes. Both devices share identical package geometry (20-SSOP), measurement accuracy (0.1%), supply voltage range (4.75 V ~ 5.25 V), operating temperature range (-40°C ~ 85°C), and I/O voltage specifications. PCB layout and schematic modifications are not required.

Q: What are the differences between these two parts?

A: The primary differences are product status (ADE7761AARSZ is obsolete; ADE7761BARSZ is active), input impedance (400kOhm versus 790kOhm), supply current (3mA versus 3.65mA), and regulatory compliance certifications (ADE7761BARSZ includes ROHS3 and REACH documentation).

Q: Does the higher input impedance of the ADE7761BARSZ affect circuit design?

A: Input impedance differences do not require circuit redesign for single-phase energy metering applications. Both devices operate within identical supply voltage and I/O voltage specifications.

Q: Are there any packaging or mounting considerations?

A: Both parts use identical 20-SSOP surface mount packaging with 0.209" width and 5.30mm height. No PCB layout modifications are necessary.

Q: What is the inventory status of these parts?

A: The ADE7761AARSZ has 1210 pieces in stock (obsolete status). The ADE7761BARSZ has 5307 pieces in stock (active production).