LM1881M Video Sync Separator IC - Equivalent & Substitute Parts

Part Overview

The LM1881M is a video synchronization separator IC manufactured by Texas Instruments, designed for professional video applications supporting NTSC, PAL, and SECAM standards. This linear device operates within a 5V to 12V supply voltage range and is housed in an 8-SOIC surface mount package.

The LM1881M is classified as obsolete product status. Locating equivalent or substitute components becomes necessary when original stock is depleted or when design requirements favor active, currently manufactured alternatives with improved compliance certifications.

Substiute Parts

LM1881M

Texas InstrumentsIn Stock: 7630LM1881M Datasheet

Current PartRFQ

LM1881M/NOPB

Texas InstrumentsIn Stock: 1874LM1881M/NOPB Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the LM1881M is determined by the following critical parameters:

• Identical function as video synchronization separator
• Support for NTSC, PAL, and SECAM video standards
• Matching supply voltage range (5V ~ 12V)
• Identical package type: 8-SOIC (0.154", 3.90mm Width)
• Surface mount mounting type
• Moisture sensitivity level MSL 1 or better

The LM1881M/NOPB qualifies as a direct substitute based on these parameters. Both parts share the same base product number (LM1881), identical electrical specifications, and compatible packaging.

Parameter Comparison

Engineering Selection Recommendations

The LM1881M/NOPB serves as the direct substitute for the LM1881M. Both components are electrically and mechanically identical, with all critical parameters matching across function, voltage specifications, video standards support, and package configuration.

The primary distinction between these parts is product status and compliance certification. The LM1881M/NOPB carries active product status and ROHS3 compliance, whereas the original LM1881M is obsolete and RoHS non-compliant. For new designs or applications requiring current manufacturing support and regulatory compliance, the LM1881M/NOPB is the appropriate selection. Both parts maintain REACH Unaffected status and identical ECCN and HTSUS classifications.

Frequently Asked Questions (FAQ)

Q: Can LM1881M/NOPB be used as a direct replacement for LM1881M?

A: Yes. The LM1881M/NOPB is a direct substitute. All electrical parameters, video standards support (NTSC, PAL, SECAM), supply voltage range (5V ~ 12V), and 8-SOIC package specifications are identical. The primary difference is product status and RoHS compliance level.

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

A: The "/NOPB" suffix designates a lead-free, RoHS3 compliant variant of the base LM1881 product. This marking indicates the part meets current environmental and regulatory standards while maintaining identical functional and electrical characteristics.

Q: Are there any package compatibility concerns when substituting these parts?

A: No. Both the LM1881M and LM1881M/NOPB use the identical 8-SOIC package (0.154", 3.90mm Width) with surface mount mounting type. PCB footprints and assembly processes require no modification.

Q: Why is the original LM1881M marked as obsolete?

A: Product obsolescence typically reflects manufacturer discontinuation of older product lines in favor of updated variants with improved compliance certifications and manufacturing processes. The LM1881M/NOPB represents the current active equivalent.

Q: What compliance certifications apply to these parts?

A: The LM1881M/NOPB is ROHS3 compliant and REACH Unaffected. Both parts share identical ECCN (EAR99) and HTSUS (8542.39.0001) classifications. The original LM1881M is RoHS non-compliant.