LM392M Equivalent & Substitute Parts

Part Overview

The LM392M is a linear amplifier and comparator IC manufactured by Texas Instruments, designed for transducer amplifier applications. The device is packaged in 8-SOIC surface mount configuration with a width of 0.154" (3.90mm). Currently designated as Last Time Buy status, the LM392M remains available with 4220 pieces in stock. Due to its Last Time Buy classification, identifying equivalent and substitute parts ensures design continuity and supply chain reliability for ongoing production requirements.

Substiute Parts

LM392M

Texas InstrumentsIn Stock: 4326LM392M Datasheet

Current PartRFQ

LM392M/NOPB

Texas InstrumentsIn Stock: 2185LM392M/NOPB Datasheet

DirectRFQ

TS912AIYDT

STMicroelectronicsIn Stock: 4868TS912AIYDT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the LM392M is determined by strict adherence to the following parameters:

Primary Substitution Criteria:

• Package / Case: 8-SOIC (0.154", 3.90mm Width) — identical physical footprint required
• Mounting Type: Surface Mount — PCB assembly compatibility
• RoHS Status: ROHS3 Compliant — regulatory compliance alignment
• Moisture Sensitivity Level: 1 (Unlimited) — handling and storage requirements
• REACH Status: REACH Unaffected — environmental compliance
• Applications: Transducer Amplifier — functional category match

Identified Substitute Parts:

1. LM392M/NOPB (Texas Instruments) — Direct manufacturer equivalent with identical electrical specifications and package configuration. Product Status: Active. Packaging: Tube. This part maintains full compatibility with LM392M designs.

2. TS912AIYDT (STMicroelectronics) — Manufacturer-recommended substitute. CMOS amplifier with 2 circuits in 8-SOIC package. Product Status: Active. Meets all primary substitution criteria with additional automotive-grade qualification (AEC-Q100).

Parameter Comparison

Engineering Selection Recommendations

LM392M/NOPB Selection: This part is the direct Texas Instruments equivalent to LM392M. It maintains identical electrical specifications and package configuration. Selection of LM392M/NOPB is appropriate for designs requiring continuity with existing LM392M implementations. The Active product status ensures long-term availability compared to the Last Time Buy status of LM392M.

TS912AIYDT Selection: This STMicroelectronics part is the manufacturer-recommended substitute. It meets all primary substitution criteria including package, mounting type, and compliance certifications. The TS912AIYDT carries AEC-Q100 automotive qualification, providing additional reliability assurance for applications requiring automotive-grade components. The Active product status and higher inventory level (4802 pieces) support sustained supply chain requirements.

Both substitute parts satisfy RoHS3 compliance, REACH unaffected status, and MSL 1 requirements, ensuring regulatory and environmental alignment with LM392M specifications.

Frequently Asked Questions (FAQ)

Q: Can LM392M/NOPB be used as a direct replacement for LM392M?

A: Yes. LM392M/NOPB is the direct Texas Instruments equivalent with identical electrical specifications, package configuration (8-SOIC), and functional characteristics. The primary difference is packaging format (Tube for LM392M/NOPB versus unspecified for LM392M) and product status (Active versus Last Time Buy).

Q: What are the key differences between LM392M and TS912AIYDT?

A: Both parts share identical 8-SOIC package dimensions, surface mount configuration, and compliance certifications (RoHS3, REACH Unaffected, MSL 1). TS912AIYDT is a CMOS amplifier with 2 circuits, whereas LM392M is an Amplifier/Comparator. TS912AIYDT includes AEC-Q100 automotive qualification and specifies additional electrical parameters including slew rate (1.3V/µs), gain bandwidth product (1.4 MHz), and supply voltage range (2.7V to 16V).

Q: Are package dimensions identical across all three parts?

A: Yes. LM392M, LM392M/NOPB, and TS912AIYDT all use 8-SOIC packaging with 0.154" (3.90mm) width. PCB footprints are mechanically compatible.

Q: What is the significance of Last Time Buy status for LM392M?

A: Last Time Buy status indicates that Texas Instruments will discontinue LM392M production. Existing inventory (4220 pieces) represents the final available supply. For ongoing production requirements, transition to LM392M/NOPB (Active status) or TS912AIYDT (Active status) is recommended.

Q: Do all substitute parts meet the same compliance requirements?

A: Yes. LM392M, LM392M/NOPB, and TS912AIYDT are all ROHS3 Compliant, REACH Unaffected, and classified as MSL 1 (Unlimited moisture sensitivity level). Compliance certifications are aligned across all three parts.

Q: Which substitute part offers the longest supply chain continuity?

A: TS912AIYDT offers the strongest supply chain position with Active product status and 4802 pieces in inventory. LM392M/NOPB also maintains Active status with 2167 pieces available. Both parts provide superior long-term availability compared to LM392M (Last Time Buy).