TSM104WID Equivalent & Substitute Parts

Part Overview

The TSM104WID is a general-purpose operational amplifier integrated circuit manufactured by Texas Instruments, configured as a 4-circuit device in a 16-SOIC surface mount package. This component is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and production requirements. The TSM104WID provides fundamental amplification functionality suitable for general-purpose analog signal processing applications across industrial and commercial temperature ranges.

Substiute Parts

TSM104WID

Texas InstrumentsIn Stock: 1100TSM104WID Datasheet

Current PartRFQ

TSM104WIDT

STMicroelectronicsIn Stock: 18767TSM104WIDT Datasheet

DirectRFQ

TSM104WAIDT

STMicroelectronicsIn Stock: 35680TSM104WAIDT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TSM104WID is determined by strict equivalence across the following critical parameters: amplifier type (general purpose), number of circuits (4), package form factor (16-SOIC surface mount), slew rate (0.3 V/µs), gain bandwidth product (900 kHz), supply voltage range compatibility, and operating temperature range (-40°C to 105°C).

The substitute parts identified—TSM104WIDT and TSM104WAIDT—maintain functional and mechanical compatibility with the original TSM104WID. Both substitute parts are manufactured by STMicroelectronics and are classified as active products, ensuring ongoing availability and supply chain continuity. The substitutes preserve the core electrical specifications required for direct replacement in existing circuit designs while offering improved or equivalent performance characteristics in specific parameters such as input bias current and input offset voltage.

Parameter Comparison

Engineering Selection Recommendations

The TSM104WAIDT is designated as the manufacturer-recommended substitute for the obsolete TSM104WID. This part is manufactured by STMicroelectronics and maintains active product status, ensuring long-term availability and supply chain reliability. The TSM104WAIDT demonstrates improved electrical performance in input offset voltage (0.5 mV versus 1 mV) and input bias current (20 nA versus 30 nA), while maintaining full compatibility across all critical functional parameters.

The TSM104WIDT serves as an alternative direct substitute, offering equivalent core specifications with identical slew rate, gain bandwidth product, and supply current characteristics. Both substitute parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component manufacturing and distribution.

For new design implementations and production applications requiring the TSM104WID, the TSM104WAIDT is the preferred selection due to its active product status, enhanced electrical specifications, and manufacturer recommendation. The TSM104WIDT remains a valid alternative where supply or cost considerations necessitate an alternative source.

Frequently Asked Questions (FAQ)

Q: Can the TSM104WIDT and TSM104WAIDT be used interchangeably with the TSM104WID?

A: Both substitute parts maintain functional and mechanical compatibility with the TSM104WID across all critical parameters including slew rate, gain bandwidth product, supply voltage range, operating temperature, and package form factor. Direct substitution is supported without circuit redesign.

Q: What is the significance of the improved input offset voltage in the TSM104WAIDT?

A: The TSM104WAIDT specifies an input offset voltage of 0.5 mV compared to 1 mV in the TSM104WID and TSM104WIDT. This represents enhanced precision in the input stage, reducing DC offset errors in amplification circuits. Applications requiring tighter offset specifications benefit from this improvement.

Q: Are there packaging differences between the substitute parts?

A: The TSM104WID is supplied in standard packaging, while both TSM104WIDT and TSM104WAIDT are supplied in Tape & Reel (TR) format. The physical package form factor (16-SOIC, 0.154" width, 3.90mm) remains identical across all three parts, ensuring compatibility with existing PCB layouts and assembly processes.

Q: What is the difference in maximum supply voltage between the original and substitute parts?

A: The TSM104WID specifies a maximum supply voltage of 30 V, while both substitute parts (TSM104WIDT and TSM104WAIDT) support 32 V maximum. This represents an expanded operating range in the substitute parts. Circuits designed for the original 30 V maximum operate within the substitute parts' specifications.

Q: Why is the TSM104WAIDT recommended over the TSM104WIDT?

A: The TSM104WAIDT is designated as the manufacturer-recommended substitute by STMicroelectronics. It offers superior electrical specifications, particularly in input offset voltage and input bias current, while maintaining identical core functionality. For new designs and production applications, the TSM104WAIDT provides the optimal balance of performance, availability, and regulatory compliance.

Q: Are the substitute parts compliant with current environmental and regulatory standards?

A: Both TSM104WIDT and TSM104WAIDT are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic component manufacturing and distribution in regulated markets.

Q: What is the moisture sensitivity level difference, and does it affect handling?

A: The TSM104WID specifies MSL 1 (unlimited moisture sensitivity), while both substitute parts specify MSL 3 (168 hours). MSL 3 components require controlled storage and handling conditions with a 168-hour floor life after moisture exposure. Standard industrial component handling practices accommodate MSL 3 requirements.