LMH0346MHX Video Reclocker IC Equivalent & Substitute Parts

Part Overview

The LMH0346MHX is a video reclocker integrated circuit designed for professional video applications utilizing DVB-ASI and SMPTE standards. This component functions as a serial reclocker in a 20-HTSSOP surface mount package with a supply voltage range of 3.135V to 3.465V. The LMH0346MHX is classified as obsolete, making identification of suitable substitute components essential for ongoing system maintenance and new design implementations.

Substiute Parts

LMH0346MHX

Texas InstrumentsIn Stock: 1749LMH0346MHX Datasheet

Current PartRFQ

LMH0346MHX/NOPB

Texas InstrumentsIn Stock: 2087LMH0346MHX/NOPB Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the LMH0346MHX is determined by strict alignment with the following parameters:

• Identical base product number (LMH0346)
• Matching package specification (20-PowerTSSOP)
• Identical supply voltage range (3.135V ~ 3.465V)
• Identical functional classification (Reclocker)
• Identical standards compliance (DVB-ASI, SMPTE)
• Identical control interface (Serial)
• Identical mounting type (Surface Mount)
• Matching moisture sensitivity level (MSL 3)

The LMH0346MHX/NOPB qualifies as a direct substitute based on complete alignment with all specified parameters.

Parameter Comparison

Engineering Selection Recommendations

The LMH0346MHX/NOPB is the direct substitute for the obsolete LMH0346MHX. Both components share identical electrical specifications, functional characteristics, and package dimensions. The primary distinction is product status and regulatory compliance: the LMH0346MHX/NOPB maintains active production status and achieves ROHS3 compliance, whereas the original LMH0346MHX is obsolete and non-compliant with RoHS regulations. For new designs and system replacements, the LMH0346MHX/NOPB is the appropriate selection. Both components maintain identical REACH status and supply voltage specifications required for DVB-ASI and SMPTE professional video applications.

Frequently Asked Questions (FAQ)

Q: Can the LMH0346MHX/NOPB be used as a direct replacement for the LMH0346MHX?

A: Yes. Both components are identical in electrical performance, functional specification, package type, and dimensional requirements. The LMH0346MHX/NOPB is the active production equivalent with improved regulatory compliance.

Q: What is the significance of the "/NOPB" suffix in the part number?

A: The "/NOPB" designation indicates the component is supplied without plumbum (lead-free), reflecting RoHS3 compliance. This is a manufacturer packaging designation that does not affect electrical or functional compatibility.

Q: Are there any package or mounting differences between these parts?

A: No. Both components utilize the identical 20-PowerTSSOP package with 0.173" width and 4.40mm dimensions, and both are surface mount devices with matching pin configurations.

Q: What supply voltage range is required for operation?

A: Both the LMH0346MHX and LMH0346MHX/NOPB require a supply voltage range of 3.135V to 3.465V for proper operation in DVB-ASI and SMPTE video reclocker applications.

Q: Is the moisture sensitivity level identical between these components?

A: Yes. Both components are classified as MSL 3 with a 168-hour moisture sensitivity specification, requiring identical handling and storage protocols.