TL062MFKB Equivalent & Substitute Parts

Part Overview

The TL062MFKB is a military-grade, dual-channel operational amplifier manufactured by Texas Instruments, designed for high-reliability applications requiring extended temperature operation. This device features a standard amplifier configuration with push-pull output topology, housed in a 20-LCCC surface mount package. The TL062MFKB is designated as Last Time Buy, indicating discontinued production status. Identification of equivalent and substitute parts is necessary to ensure design continuity and procurement availability for ongoing production and maintenance requirements.

Substiute Parts

TL062MFKB

Texas InstrumentsIn Stock: 1160TL062MFKB Datasheet

Current PartRFQ

TL062IDR

Texas InstrumentsIn Stock: 17740TL062IDR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TL062MFKB is determined by alignment of the following critical parameters:

Electrical Compatibility Parameters:

• Dual-channel configuration (2 circuits)
• Slew rate of 3.5 V/µs
• Input bias current of 30 pA
• Input offset voltage of 3 mV
• Supply current of 200 µA
• Output current per channel of 20 mA
• Supply voltage range of 10 V to 30 V

Mechanical Compatibility Parameters:

• Surface mount mounting type
• Pin-compatible or functionally equivalent package

Compliance Parameters:

• ROHS3 compliance
• REACH unaffected status

The TL062IDR qualifies as a substitute part based on matching electrical specifications across all critical parameters. However, the TL062IDR operates within a reduced temperature range (-40°C to 85°C) compared to the military-grade TL062MFKB (-55°C to 125°C), and utilizes a different package form factor (8-SOIC versus 20-CLCC). These differences require evaluation within the context of specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

TL062IDR Substitution Considerations:

The TL062IDR is an active product manufactured by Texas Instruments and represents the current production equivalent within the TL062 family. This part maintains electrical compatibility across all critical amplifier specifications including slew rate, input bias current, input offset voltage, supply current, and output current ratings.

Limitations and Constraints:

1. Temperature Range Reduction: The TL062IDR operates over -40°C to 85°C, which is narrower than the military-grade TL062MFKB range of -55°C to 125°C. Applications requiring operation below -40°C or above 85°C cannot use this substitute.

2. Package Incompatibility: The TL062MFKB uses a 20-CLCC package while the TL062IDR uses an 8-SOIC package. Direct board-level substitution requires PCB redesign and layout modification.

3. Gain Bandwidth Product Variance: The TL062IDR specifies 1 MHz gain bandwidth product compared to 3 MHz for the TL062MFKB. This difference may affect frequency response characteristics in bandwidth-sensitive applications.

4. Compliance Status: Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for equivalent substitution.

Selection Basis:

The TL062IDR is suitable for applications where the reduced temperature range and package form factor are acceptable trade-offs for access to an active, currently manufactured product. The TL062MFKB should be retained for applications requiring the extended military temperature range or where the 20-CLCC package is mandated by design constraints.

Frequently Asked Questions (FAQ)

Q: Can the TL062IDR be used as a direct replacement for the TL062MFKB on existing PCBs?

A: No. The TL062IDR uses an 8-SOIC package while the TL062MFKB uses a 20-CLCC package. These packages have different pin counts, pin spacing, and footprints. PCB redesign is required for substitution.

Q: What is the primary difference between these two parts?

A: The TL062MFKB is a military-grade device with extended temperature operation (-55°C to 125°C) in a 20-CLCC package. The TL062IDR is a commercial-grade device with standard temperature operation (-40°C to 85°C) in an 8-SOIC package. Both share identical electrical specifications for slew rate, input bias current, and supply parameters.

Q: Why does the TL062MFKB have a "Last Time Buy" status?

A: Last Time Buy status indicates that the manufacturer has discontinued production of this part. Existing inventory is available for purchase, but no future production runs are planned. The TL062IDR represents the active production alternative.

Q: Are there any electrical performance differences between these parts?

A: The gain bandwidth product differs: TL062MFKB specifies 3 MHz while TL062IDR specifies 1 MHz. All other electrical parameters including slew rate, input bias current, input offset voltage, and supply specifications are identical.

Q: What compliance certifications apply to both parts?

A: Both the TL062MFKB and TL062IDR are ROHS3 compliant and REACH unaffected. They meet current regulatory requirements for electronic component manufacturing and use.

Q: Can the TL062IDR be used in applications requiring -55°C operation?

A: No. The TL062IDR minimum operating temperature is -40°C. Applications requiring operation at -55°C must use the TL062MFKB or identify an alternative part with extended low-temperature specifications.

Q: What is the significance of the different package types?

A: Package type determines physical dimensions, pin configuration, and board-level integration. The 20-CLCC package is larger and accommodates more pins than the 8-SOIC package. Selection depends on available board space, thermal requirements, and design constraints.