Equivalent & Substitute Parts Reference for TLE2021BMFKB

Part Overview

The TLE2021BMFKB by Texas Instruments is a standard linear amplifier within the Excalibur™ series, featuring a single circuit with push-pull output. Its high-speed, low-power characteristics and 20-LCCC surface mount package make it suitable for precision applications. The product status is listed as "Last Time Buy," indicating discontinued availability and the necessity to identify suitable substitute models to ensure uninterrupted design and production continuity.

Substiute Parts

TLE2021BMFKB

Texas InstrumentsIn Stock: 913TLE2021BMFKB Datasheet

Current PartRFQ

TLE2021AIDR

Texas InstrumentsIn Stock: 1340TLE2021AIDR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute part identification is strictly based on provided parameters for linear amplifiers, including series alignment, amplifier type, circuit count, electrical characteristics (slew rate, bandwidth, input bias and offset, supply and output currents, voltage supply span), operating temperature, mounting compatibility, and compliance certifications. Only parts matching or exceeding these key specifications are included.

Parameter Comparison

Engineering Selection Recommendations

Selection should prioritize product status: TLE2021BMFKB is "Last Time Buy," while TLE2021AIDR remains "Active." Both models adhere to ROHS3 and REACH compliance, supporting regulatory requirements for component usage. Inventory status and series alignment confirm supply continuity within authorized certification frameworks.

Frequently Asked Questions (FAQ)

Q1: Can TLE2021AIDR directly replace TLE2021BMFKB?
A1: Substitute selection is based on matched series, amplifier type, number of circuits, supply currents, voltage span, and compliance. The TLE2021AIDR provides compatible electrical specifications, with exception of package differences.

Q2: Are package differences important for replacement?
A2: Yes. TLE2021BMFKB uses a 20-CLCC package, while TLE2021AIDR is in 8-SOIC format. Mechanical and PCB layout requirements must match the product's application constraints.

Q3: Do both parts meet RoHS and REACH compliance?
A3: Both parts are ROHS3 Compliant and REACH Unaffected, aligning with mandatory industry standards.

Q4: Is the operating temperature range identical?
A4: No. TLE2021BMFKB operates at -55°C ~ 125°C, while TLE2021AIDR operates at -40°C ~ 85°C. Selection should be evaluated against application-specific temperature requirements.

Q5: Is inventory availability a factor?
A5: Yes. The main part has limited inventory due to "Last Time Buy" status; however, the substitute is "Active" with current availability.

Q6: How is electrical compatibility determined for substitution?
A6: Substitution is evaluated using slew rate, gain bandwidth, input bias, input offset voltage, supply and output currents, voltage span, and number of circuits, as listed in the above comparison table.