LM2907MX-8 Frequency to Voltage Converter IC - Equivalent & Substitute Parts

Part Overview

The LM2907MX-8 is a Frequency to Voltage Converter IC designed for 10 kHz operation with ±0.3% linearity, packaged in 8-SOIC surface mount configuration. This component is classified as obsolete, which necessitates identification of active equivalent parts for new designs and ongoing production requirements. The substitute part maintains identical electrical specifications and mechanical compatibility while offering active product status and improved availability.

Substiute Parts

LM2907MX-8

Texas InstrumentsIn Stock: 1153LM2907MX-8 Datasheet

Current PartRFQ

LM2907MX-8/NOPB

Texas InstrumentsIn Stock: 74959LM2907MX-8/NOPB Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LM2907MX-8 is based on strict equivalence across the following critical parameters:

• Frequency Range: Maximum 10 kHz operation
• Linearity Specification: ±0.3% accuracy
• Package Type: 8-SOIC surface mount configuration with 0.154" (3.90mm) width
• Base Product Series: LM2907 family
• Functional Classification: Frequency to Voltage Converter IC
• Mounting Technology: Surface Mount (SMD)

The substitute part LM2907MX-8/NOPB shares identical electrical performance characteristics and mechanical compatibility, enabling direct replacement in existing designs and PCB layouts.

Parameter Comparison

Engineering Selection Recommendations

The LM2907MX-8/NOPB is the direct equivalent for the obsolete LM2907MX-8. Selection of the substitute part is based on:

• Product Status: The substitute maintains active product status, ensuring long-term availability and supply chain continuity.
• Electrical Equivalence: Identical frequency range (10 kHz maximum) and linearity specification (±0.3%) guarantee functional compatibility.
• Mechanical Compatibility: Identical 8-SOIC package dimensions enable direct PCB layout reuse without redesign.
• Compliance Enhancement: The substitute achieves ROHS3 compliance, addressing regulatory requirements that may apply to new designs or updated production runs.
• Certification Alignment: Both parts maintain identical REACH and ECCN classifications, preserving export and regulatory compliance status.

For new designs, procurement of existing inventory, or production continuation, the LM2907MX-8/NOPB is the appropriate selection.

Frequently Asked Questions (FAQ)

Q: Can LM2907MX-8/NOPB be used as a direct replacement for LM2907MX-8?

A: Yes. Both parts are identical in electrical performance (10 kHz frequency range, ±0.3% linearity) and mechanical configuration (8-SOIC package). No circuit modifications or PCB redesign are required.

Q: What does the "/NOPB" suffix indicate?

A: The "/NOPB" designation indicates the part is supplied in Cut Tape (CT) and Digi-Reel® packaging formats, as opposed to alternative packaging configurations. This affects only the delivery format, not the component's electrical or mechanical specifications.

Q: Why is the original LM2907MX-8 marked as obsolete?

A: Obsolete status indicates the part is no longer in active production by the manufacturer. The LM2907MX-8/NOPB remains in active production and serves as the current equivalent for this product line.

Q: Are there any differences in RoHS compliance between the two parts?

A: Yes. The LM2907MX-8 is RoHS non-compliant, while LM2907MX-8/NOPB is ROHS3 compliant. For applications subject to RoHS regulations, the substitute part is required.

Q: Will the substitute part work in existing PCB designs?

A: Yes. The 8-SOIC package dimensions are identical (0.154" width, 3.90mm), and all pin configurations match. No PCB layout modifications are necessary.

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

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