AD7740YRM Equivalent & Substitute Parts

Part Overview

The AD7740YRM is a Voltage to Frequency Converter IC manufactured by Analog Devices Inc., designed for 1 MHz operation with ±0.012% linearity. This component is classified as obsolete, making identification of suitable substitutes essential for ongoing production and maintenance applications. The part is housed in an 8-MSOP surface mount package and operates with ±50ppm/°C full scale stability. Due to its obsolete status, sourcing equivalent active alternatives is necessary for system continuity.

Substiute Parts

AD7740YRM

Analog Devices Inc.In Stock: 218435AD7740YRM Datasheet

Current PartRFQ

AD7740YRMZ

Analog Devices Inc.In Stock: 21534AD7740YRMZ Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AD7740YRM is determined by strict equivalence across the following critical parameters:

• Functional Type: Voltage to Frequency Converter IC
• Maximum Frequency: 1 MHz operation
• Linearity Specification: ±0.012%
• Full Scale Stability: ±50ppm/°C
• Package Configuration: 8-MSOP surface mount
• Electrical Pin Compatibility: Identical pin count and function mapping

The AD7740YRMZ qualifies as a direct substitute based on matching all specified electrical and mechanical parameters while maintaining active product status and current manufacturing availability.

Parameter Comparison

Engineering Selection Recommendations

The AD7740YRMZ is the qualified substitute for the obsolete AD7740YRM. Both parts share identical electrical specifications and package configurations, ensuring direct functional equivalence. The AD7740YRMZ maintains active product status with current manufacturing support from Analog Devices Inc.

The substitute part carries ROHS3 compliance and REACH unaffected status, providing regulatory alignment for modern manufacturing environments. The transition from the obsolete AD7740YRM to the active AD7740YRMZ requires no circuit redesign or application modification, as all critical parameters remain unchanged.

Frequently Asked Questions (FAQ)

Q: Can the AD7740YRMZ directly replace the AD7740YRM in existing designs?

A: Yes. Both parts are identical in electrical performance, frequency range, linearity, and package configuration. No circuit modifications are required.

Q: What is the primary difference between these two part numbers?

A: The AD7740YRM is obsolete, while the AD7740YRMZ is active. The AD7740YRMZ includes ROHS3 compliance and REACH unaffected status. Electrical specifications are identical.

Q: Are the package dimensions identical?

A: Yes. Both parts use the 8-MSOP package with 0.118" width and 3.00mm height, ensuring identical PCB footprint compatibility.

Q: What is the Moisture Sensitivity Level for both parts?

A: Both parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Is the AD7740YRMZ available in the same packaging format?

A: The AD7740YRMZ is supplied in Tube packaging, while the original AD7740YRM packaging format is not specified. Both use the same 8-MSOP device package.