TSB712IDT Equivalent & Substitute Parts

Part Overview

The TSB712IDT is a general-purpose operational amplifier manufactured by STMicroelectronics, featuring dual circuits in an 8-SOIC surface-mount package. This device is classified as a rail-to-rail output amplifier suitable for automotive applications and carries AEC-Q100 qualification. The part is currently in active production status with 786 units available in inventory.

Substitute parts are identified when equivalent functional performance can be achieved within the specified electrical and mechanical parameters of the application. Substitution becomes necessary due to inventory constraints, supply chain considerations, or specific application requirements that align with alternative manufacturer offerings.

Substiute Parts

TSB712IDT

STMicroelectronicsIn Stock: 863TSB712IDT Datasheet

Current PartRFQ

TLE2142CDR

Texas InstrumentsIn Stock: 15496TLE2142CDR Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TSB712IDT are identified based on the following critical parameters that determine functional equivalence:

Package Compatibility: Both the main part and substitute must use the 8-SOIC surface-mount package with identical physical dimensions (0.154", 3.90mm Width) to ensure direct board-level replacement without layout modifications.

Functional Architecture: The substitute must provide dual general-purpose operational amplifier circuits with rail-to-rail output capability to maintain circuit performance characteristics.

Electrical Operating Range: The substitute must support the required supply voltage span and operating temperature range for the intended application. Deviations in these ranges indicate application-specific limitations.

Compliance and Certification: RoHS3 compliance and MSL rating of 1 (Unlimited) are required for manufacturing and handling compatibility.

The TLE2142CDR from Texas Instruments meets these core substitution criteria through identical package geometry, dual-circuit architecture, and rail-to-rail output configuration.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection (TSB712IDT): The TSB712IDT is the specified component and remains the primary choice when available. This device carries AEC-Q100 automotive qualification and supports an extended operating temperature range of -40°C to 125°C, making it suitable for automotive and industrial applications requiring wide temperature operation.

Substitute Selection (TLE2142CDR): The TLE2142CDR from Texas Instruments is a functional substitute when TSB712IDT availability is constrained. Both devices are active products with ROHS3 compliance and MSL rating of 1. The TLE2142CDR provides equivalent package geometry and dual-circuit architecture.

Application-Specific Considerations: The TLE2142CDR operates within a narrower temperature range (0°C to 70°C) and requires a minimum supply voltage of 4V compared to the TSB712IDT's 2.7V minimum. Applications requiring operation below 0°C or above 70°C, or those requiring supply voltages below 4V, must use the TSB712IDT. Applications operating within the TLE2142CDR's temperature and voltage specifications may use either device interchangeably at the board level due to identical package geometry.

Both devices maintain identical output current capability (50 mA per channel) and are suitable for direct socket replacement in 8-SOIC footprints.

Frequently Asked Questions (FAQ)

Q: Can the TLE2142CDR directly replace the TSB712IDT on a printed circuit board?

A: Yes, direct board-level replacement is possible. Both devices use the 8-SOIC package with identical physical dimensions (0.154", 3.90mm Width) and pinout compatibility for dual general-purpose operational amplifiers. No layout modifications are required.

Q: What are the key electrical differences between these two parts?

A: The TLE2142CDR features a higher slew rate (45 V/µs versus 3 V/µs) and lower input offset voltage (290 µV versus 1.2 mV). The TSB712IDT supports a lower minimum supply voltage (2.7V versus 4V) and operates across a wider temperature range (-40°C to 125°C versus 0°C to 70°C).

Q: Which part should be used for automotive applications?

A: The TSB712IDT carries AEC-Q100 automotive qualification. For applications requiring automotive certification, the TSB712IDT is the specified component. The TLE2142CDR does not carry AEC-Q100 qualification in the provided specifications.

Q: Are there supply voltage limitations when substituting?

A: Yes. The TLE2142CDR requires a minimum supply voltage of 4V, while the TSB712IDT operates from 2.7V. Applications using supply voltages between 2.7V and 4V must use the TSB712IDT. Both devices support maximum supply voltages of 36V and 44V respectively.

Q: What is the temperature operating range for each device?

A: The TSB712IDT operates from -40°C to 125°C. The TLE2142CDR operates from 0°C to 70°C. Applications requiring operation outside the 0°C to 70°C range must use the TSB712IDT.

Q: Do both parts have the same RoHS and moisture sensitivity ratings?

A: Yes. Both the TSB712IDT and TLE2142CDR are ROHS3 compliant with MSL rating of 1 (Unlimited), indicating identical handling and manufacturing compatibility.

Q: What is the output current capability for each channel?

A: Both devices provide 50 mA output current per channel, maintaining identical drive capability for dual-channel applications.