Texas Instruments TLE2021AMFKB Equivalent & Substitute Parts Reference

Part Overview

Texas Instruments TLE2021AMFKB is a high-speed, low-power, precision linear amplifier under the Excalibur™ series. Classified as a standard amplifier with one circuit and a push-pull output in a 20-LCCC (8.89x8.89 mm) surface mount package, this part supports operating voltages ranging from 4 V to 40 V and delivers precision operation with low offset voltages and input bias currents. The TLE2021AMFKB is listed as Last Time Buy, indicating limited future availability. In active design cycles or inventory planning, identifying exact and equivalent substitute parts with matching electrical and mechanical parameters is essential for continuity and compatibility.

Substiute Parts

TLE2021AMFKB
Texas InstrumentsIn Stock: 745TLE2021AMFKB Datasheet
TLE2021AMFKB
Current Part
TLE2021AIDR
Texas InstrumentsIn Stock: 1340TLE2021AIDR Datasheet
TLE2021AIDR
MFR Recommended

Key Parameters

ParameterTLE2021AMFKB
ManufacturerTexas Instruments
SeriesExcalibur™
Product StatusLast Time Buy
CategoryLinear, Amplifiers
Amplifier TypeStandard
Number of Circuits1
Output TypePush-Pull
Slew Rate0.65V/µs
Gain Bandwidth Product2 MHz
Current - Input Bias25 nA
Voltage - Input Offset120 µV
Current - Supply200µA
Current - Output / Channel20 mA
Voltage - Supply Span (Min)4 V
Voltage - Supply Span (Max)40 V
Operating Temperature-55°C ~ 125°C
Mounting TypeSurface Mount
Package / Case20-CLCC
Supplier Device Package20-LCCC (8.89x8.89)
RoHS StatusROHS3 Compliant
REACH StatusREACH Unaffected

Substitute Part Grouping Explanation

Substitutions are strictly determined by equivalent electrical and mechanical parameters. The main factors are amplifier type, number of circuits, slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, output current per channel, supply voltage range, operating temperature, mounting type, and package form factor. Only parts matching or appropriately grouping these are considered valid substitutes in the linear amplifiers category.

Parameter Comparison

Parameter TLE2021AMFKB TLE2021AIDR
ManufacturerTexas InstrumentsTexas Instruments
SeriesExcalibur™Excalibur™
Amplifier TypeStandardGeneral Purpose
Number of Circuits11
Slew Rate0.65V/µs0.65V/µs
Gain Bandwidth Product2 MHz1.7 MHz
Current - Input Bias25 nA25 nA
Voltage - Input Offset120 µV80 µV
Current - Supply200µA240µA
Current - Output / Channel20 mA20 mA
Voltage - Supply Span (Min)4 V4 V
Voltage - Supply Span (Max)40 V40 V
Operating Temperature-55°C ~ 125°C-40°C ~ 85°C
Mounting TypeSurface MountSurface Mount
Package / Case20-CLCC8-SOIC (0.154", 3.90mm Width)
Supplier Device Package20-LCCC (8.89x8.89)8-SOIC
RoHS StatusROHS3 CompliantROHS3 Compliant
REACH StatusREACH UnaffectedREACH Unaffected

Engineering Selection Recommendations

When considering substitutes for the Texas Instruments TLE2021AMFKB, prioritize parts with matching product compliance specifications and certifications, including ROHS3 status and REACH unaffected ratings. Base selection decisions on product availability; the TLE2021AMFKB is Last Time Buy, while TLE2021AIDR is Active. Confirm that environmental and compliance standards are satisfied before finalizing component selection.

Frequently Asked Questions (FAQ)

Q1: What are the primary criteria for selecting a substitute for TLE2021AMFKB?
A1: Selection is based on matching amplifier type, circuit count, slew rate, bandwidth, input bias current, input offset voltage, supply current, output current per channel, operating voltage range, temperature rating, mounting type, and package details.

Q2: Are package types interchangeable between TLE2021AMFKB and TLE2021AIDR?
A2: TLE2021AMFKB uses a 20-LCCC (8.89x8.89 mm) package, while TLE2021AIDR features 8-SOIC (3.90mm width). Evaluate compatibility within the intended PCB layout as package dimensions and pin counts differ.

Q3: How does the product status affect substitution decisions?
A3: The Last Time Buy status of TLE2021AMFKB makes it necessary to transition to Active status components like TLE2021AIDR for future-proof designs and ongoing manufacturing.

Q4: What compliance certifications are critical in substitution?
A4: Ensure the substitute is ROHS3 Compliant and REACH Unaffected as per the provided data to maintain regulatory and environmental standards.

Q5: Is there any difference in operating temperature range that should be considered?
A5: Yes, TLE2021AMFKB supports -55°C ~ 125°C, while TLE2021AIDR is specified for -40°C ~ 85°C. Select according to the required operating environment constraints.

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