TLE2021CD Equivalent & Substitute Parts

Part Overview

The TLE2021CD is a general-purpose operational amplifier manufactured by Texas Instruments, housed in an 8-SOIC surface mount package. This device is classified as a Last Time Buy product, indicating that the original packaging configuration (Tube) is no longer in active production. The TLE2021CD belongs to the Excalibur™ series and is designed for applications requiring low-power, general-purpose amplification with a gain bandwidth product of 2 MHz and supply voltage range of 4V to 40V.

Identifying equivalent and substitute parts is necessary when the original tube packaging is unavailable or when procurement requires alternative packaging formats that maintain identical electrical and mechanical specifications.

Substiute Parts

TLE2021CD

Texas InstrumentsIn Stock: 1144TLE2021CD Datasheet

Current PartRFQ

TLE2021CDR

Texas InstrumentsIn Stock: 21600TLE2021CDR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLE2021CD is determined by strict equivalence across all electrical and mechanical parameters. The substitute part must maintain identical specifications in the following critical areas:

Electrical Parameters: Slew rate (0.65 V/µs), gain bandwidth product (2 MHz), input bias current (25 nA), input offset voltage (150 µV), supply current (240 µA), output current per channel (20 mA), and supply voltage range (4V to 40V minimum, 40V maximum).

Mechanical Parameters: Package type (8-SOIC with 0.154" width, 3.90mm), surface mount mounting type, and pin configuration.

Compliance & Status: RoHS3 compliance, moisture sensitivity level 1, and base product number TLE2021.

The TLE2021CDR qualifies as a direct substitute because it maintains identical electrical performance and mechanical specifications while differing only in packaging format (Tape & Reel versus Tube) and product status (Active versus Last Time Buy).

Parameter Comparison

Engineering Selection Recommendations

The TLE2021CDR (Tape & Reel packaging) is the direct functional equivalent of the TLE2021CD (Tube packaging). Both parts share identical electrical specifications, mechanical dimensions, and compliance certifications. The distinction between these parts is limited to packaging format and product lifecycle status.

For applications requiring the TLE2021CD: The TLE2021CDR provides equivalent performance and is suitable for direct substitution. The Tape & Reel format is compatible with automated assembly processes and is the standard packaging for active production inventory.

Compliance Considerations: Both parts maintain ROHS3 compliance, REACH unaffected status, and moisture sensitivity level 1 (unlimited). No compliance restrictions apply to either part.

Inventory & Availability: The TLE2021CDR maintains significantly higher inventory levels (21,568 pieces) compared to the TLE2021CD (1,112 pieces) and carries Active product status, ensuring continued availability and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can the TLE2021CDR replace the TLE2021CD in existing designs?

A: Yes. The TLE2021CDR is electrically and mechanically identical to the TLE2021CD. All electrical parameters, pin configurations, and performance characteristics are equivalent. The only difference is the packaging format (Tape & Reel versus Tube).

Q: What is the difference between Tube and Tape & Reel packaging?

A: Tube packaging is used for manual handling and lower-volume applications, while Tape & Reel packaging is designed for automated pick-and-place assembly equipment. Both formats contain the same die and provide identical electrical performance. The choice between formats depends on assembly process requirements.

Q: Are there any thermal or performance differences between these parts?

A: No. Both the TLE2021CD and TLE2021CDR operate within the same temperature range (0°C to 70°C) and deliver identical electrical specifications including slew rate, gain bandwidth product, and supply current.

Q: Why is the TLE2021CD marked as Last Time Buy?

A: Last Time Buy status indicates that the Tube packaging format is being discontinued. The TLE2021CDR in Tape & Reel format is the active production equivalent and is recommended for new designs and ongoing procurement.

Q: Are both parts RoHS compliant?

A: Yes. Both the TLE2021CD and TLE2021CDR are ROHS3 compliant with moisture sensitivity level 1 (unlimited), making them suitable for applications with RoHS requirements.

Q: Can I use these parts interchangeably on the same PCB?

A: Yes, provided your assembly process supports the packaging format. If your manufacturing line uses automated assembly, the Tape & Reel format (TLE2021CDR) is the appropriate choice. Both parts have identical pin layouts and 8-SOIC package dimensions (0.154" width, 3.90mm).