AFE4491ZRC Equivalent & Substitute Parts

Part Overview

The AFE4491ZRC is an analog front-end integrated circuit manufactured by Texas Instruments, designed for data acquisition applications. This device is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing system support and new design implementations. The AFE4491ZRC operates as a channel analog front-end with 103-bit functionality in a ball grid array package configuration.

Substiute Parts

AFE4491ZRC

Texas InstrumentsIn Stock: 817AFE4491ZRC Datasheet

Current PartRFQ

AFE4491NMAT

Texas InstrumentsIn Stock: 988AFE4491NMAT Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AFE4491ZRC is determined by strict alignment of the following parameters:

Critical Matching Parameters:

• Manufacturer: Texas Instruments
• Category: Data Acquisition
• Detailed Description: Channel AFE Bit 103-NFBGA (9x6)
• Mounting Type: Surface Mount
• Package / Case: 103-VFBGA
• Supplier Device Package: 103-NFBGA (9x6)
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 3 (168 Hours)
• ECCN: EAR99
• HTSUS Code: 8542.39.0001

The AFE4491NMAT meets all critical parameters and serves as a direct substitute. The primary distinction is product status: AFE4491ZRC is obsolete, while AFE4491NMAT maintains active status with current manufacturing support.

Parameter Comparison

Engineering Selection Recommendations

The AFE4491NMAT is the direct substitute for the obsolete AFE4491ZRC. Both components share identical functional specifications, package configurations, and compliance certifications. The AFE4491NMAT is the recommended selection for new designs and replacement applications due to its active product status and current manufacturing availability.

Both parts maintain ROHS3 compliance and identical moisture sensitivity specifications, ensuring compatibility with existing assembly and storage protocols. The REACH Unaffected status of the AFE4491NMAT provides additional regulatory assurance for international supply chain applications.

Frequently Asked Questions (FAQ)

Q: Can the AFE4491NMAT be used as a direct replacement for the AFE4491ZRC?

A: Yes. The AFE4491NMAT is a direct substitute. Both components share identical package specifications (103-NFBGA 9x6), mounting type (surface mount), and all critical electrical and compliance parameters.

Q: What is the primary reason for substitution?

A: The AFE4491ZRC is classified as obsolete. The AFE4491NMAT maintains active product status with current manufacturing support from Texas Instruments.

Q: Are there any differences in RoHS or moisture sensitivity specifications?

A: No. Both the AFE4491ZRC and AFE4491NMAT are ROHS3 compliant with identical Moisture Sensitivity Level 3 (168 Hours) ratings.

Q: Will the AFE4491NMAT require PCB layout modifications?

A: No. The AFE4491NMAT uses the identical 103-VFBGA package and 103-NFBGA (9x6) supplier device package as the AFE4491ZRC, ensuring pin-for-pin compatibility.

Q: Are there any export control differences between these parts?

A: No. Both components share the same ECCN classification (EAR99) and HTSUS code (8542.39.0001).

Q: What is the inventory status of the substitute part?

A: The AFE4491NMAT has 896 pieces of new original stock available, compared to 748 pieces of the obsolete AFE4491ZRC.