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TLE2141CDR Equivalent & Substitute Parts
Part Overview
The TLE2141CDR is a general-purpose operational amplifier manufactured by Texas Instruments in the Excalibur™ series. This single-circuit, 8-SOIC surface-mount device operates across a wide supply voltage range of 4V to 44V and is designed for general-purpose amplification applications. The device is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, application-specific performance needs, or design optimization requirements.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 1 | — |
| Slew Rate | 45 | V/µs |
| Gain Bandwidth Product | 5.9 | MHz |
| Current - Input Bias | 700 | nA |
| Voltage - Input Offset | 200 | µV |
| Current - Supply | 3.5 | mA |
| Current - Output / Channel | 50 | mA |
| Voltage - Supply Span (Min) | 4 | V |
| Voltage - Supply Span (Max) | 44 | V |
| Operating Temperature | 0 to 70 | °C |
| Mounting Type | Surface Mount | — |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
Substitute Part Grouping Explanation
Substitute parts for the TLE2141CDR are categorized based on the following substitution criteria:
Primary Substitution Criteria:
- Package compatibility: 8-SOIC surface-mount form factor
- Voltage supply range overlap: Minimum 4V to 44V capability
- Single-circuit configuration
- General-purpose amplifier classification
- Operating temperature range: 0°C to 70°C minimum
- ROHS3 compliance and MSL 1 rating
Substitute Categories:
Category 1: Direct Electrical Equivalents (8-SOIC Package) Parts AD711KRZ and AD711KRZ-REEL7 are J-FET amplifiers with identical package geometry and compatible supply voltage ranges (9V to 36V overlap within TLE2141CDR range). These substitutes feature lower input bias current (15 pA vs. 700 nA) and identical input offset voltage (200 µV).
Category 2: Enhanced Performance General-Purpose Amplifiers (8-SOIC Package) Parts AD817ARZ, AD817ARZ-REEL, and AD817ARZ-REEL7 are general-purpose amplifiers with significantly higher slew rate (350V/µs vs. 45V/µs) and gain bandwidth product (50 MHz vs. 5.9 MHz). These maintain 8-SOIC packaging and support extended operating temperature ranges (-40°C to -45°C minimum).
Category 3: J-FET Amplifiers with Extended Temperature Range (8-SOIC Package) Parts AD8510BRZ and AD8510BRZ-REEL7 are J-FET amplifiers with extended operating temperature range (-40°C to 125°C), lower input offset voltage (80 µV vs. 200 µV), and higher output current capability (70 mA vs. 50 mA).
Category 4: Buffer Amplifier (8-DFN Package) Parts LT1010CDD#PBF and LT1010CDD#TRPBF are buffer amplifiers with different package geometry (8-DFN vs. 8-SOIC) and higher output current capability (150 mA vs. 50 mA).
Category 5: Through-Hole Alternative (8-DIP Package) Part AD817ANZ is a general-purpose amplifier in 8-DIP through-hole package, providing mechanical substitution for applications requiring through-hole mounting.
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Package | Slew Rate (V/µs) | GBW (MHz) | Input Bias (nA/pA) | Input Offset (µV) | Supply Current (mA) | Output Current (mA) | Supply Min (V) | Supply Max (V) | Temp Range (°C) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TLE2141CDR | Texas Instruments | General Purpose | 8-SOIC | 45 | 5.9 | 700 nA | 200 | 3.5 | 50 | 4 | 44 | 0 to 70 |
| AD711KRZ | Analog Devices | J-FET | 8-SOIC | 20 | 4 | 15 pA | 200 | 2.5 | 25 | 9 | 36 | 0 to 70 |
| AD711KRZ-REEL7 | Analog Devices | J-FET | 8-SOIC | 20 | 4 | 15 pA | 200 | 2.5 | 25 | 9 | 36 | 0 to 70 |
| AD817ARZ | Analog Devices | General Purpose | 8-SOIC | 350 | 50 | 3.3 µA | 500 | 7 | 50 | 5 | 36 | -45 to 85 |
| AD817ARZ-REEL | Analog Devices | General Purpose | 8-SOIC | 350 | 50 | 3.3 µA | 500 | 7 | 50 | 5 | 36 | -40 to 85 |
| AD817ARZ-REEL7 | Analog Devices | General Purpose | 8-SOIC | 350 | 50 | 3.3 µA | 500 | 7 | 50 | 5 | 36 | -40 to 85 |
| AD8510BRZ | Analog Devices | J-FET | 8-SOIC | 20 | 8 | 25 pA | 80 | 2.2 | 70 | 9 | 36 | -40 to 125 |
| AD8510BRZ-REEL7 | Analog Devices | J-FET | 8-SOIC | 20 | 8 | 25 pA | 80 | 2.2 | 70 | 9 | 36 | -40 to 125 |
| AD817ANZ | Analog Devices | General Purpose | 8-DIP | 350 | 50 | 3.3 µA | 500 | 7 | 50 | 5 | 36 | -40 to 85 |
| LT1010CDD#PBF | Analog Devices | Buffer | 8-DFN | 75 | 20 | 500 µA | — | 5 | 150 | 4.5 | 40 | 0 to 100 |
| LT1010CDD#TRPBF | Analog Devices | Buffer | 8-DFN | 75 | 20 | 500 µA | — | 5 | 150 | 4.5 | 40 | 0 to 100 |
Engineering Selection Recommendations
For Direct Substitution (Identical Package and Form Factor):
Select AD711KRZ or AD711KRZ-REEL7 when J-FET input characteristics are acceptable and lower input bias current is beneficial. Both parts maintain 8-SOIC packaging and 0°C to 70°C operating range. Note that supply voltage minimum increases to 9V, which must be verified against circuit requirements. These parts are active products with ROHS3 compliance.
Select AD817ARZ, AD817ARZ-REEL, or AD817ARZ-REEL7 when higher slew rate and gain bandwidth product are required for improved transient response. All three variants maintain 8-SOIC packaging with extended operating temperature ranges. Supply voltage minimum increases to 5V. These parts are active products with ROHS3 compliance and higher inventory availability (17,905 and 17,686 units respectively).
Select AD8510BRZ or AD8510BRZ-REEL7 for applications requiring extended temperature operation (-40°C to 125°C), lower input offset voltage (80 µV), and higher output current (70 mA). Both maintain 8-SOIC packaging and J-FET input characteristics. Supply voltage minimum is 9V. These parts are active products with ROHS3 compliance.
For Package Variation:
Select AD817ANZ for through-hole mounting applications requiring 8-DIP package. This part provides equivalent electrical performance to AD817ARZ series with different mechanical form factor. Active product status with ROHS3 compliance.
Select LT1010CDD#PBF or LT1010CDD#TRPBF for buffer amplifier applications requiring 8-DFN package and higher output current capability (150 mA). These parts support extended operating temperature to 100°C. Active product status with ROHS3 compliance.
Compliance and Certification:
All substitute parts maintain ROHS3 compliance, MSL 1 (unlimited) moisture sensitivity rating, and REACH unaffected status, matching the original TLE2141CDR specifications. All parts are classified under ECCN EAR99 and HTSUS 8542.33.0001.
Frequently Asked Questions (FAQ)
Q: Can AD711KRZ directly replace TLE2141CDR in all applications?
A: AD711KRZ maintains identical 8-SOIC package geometry and input offset voltage (200 µV). However, the supply voltage minimum increases from 4V to 9V, and slew rate decreases from 45V/µs to 20V/µs. Verify that your circuit operates at 9V or higher and that the lower slew rate does not impact application performance.
Q: What is the primary difference between AD817ARZ and TLE2141CDR?
A: AD817ARZ provides significantly higher slew rate (350V/µs vs. 45V/µs) and gain bandwidth product (50 MHz vs. 5.9 MHz), enabling faster signal processing. Both maintain 8-SOIC packaging and 50 mA output current. Supply voltage minimum increases to 5V. AD817ARZ supports extended operating temperature range (-40°C to 85°C vs. 0°C to 70°C).
Q: Are AD711KRZ and AD8510BRZ interchangeable?
A: Both are J-FET amplifiers in 8-SOIC packages with identical slew rate (20V/µs). AD8510BRZ offers lower input offset voltage (80 µV vs. 200 µV), higher output current (70 mA vs. 25 mA), and extended operating temperature range (-40°C to 125°C vs. 0°C to 70°C). Select AD8510BRZ for precision applications requiring lower offset voltage and wider temperature operation.
Q: Why would I select a buffer amplifier like LT1010CDD instead of an operational amplifier?
A: Buffer amplifiers provide higher output current capability (150 mA vs. 50 mA) and are optimized for driving low-impedance loads. LT1010CDD is suitable for applications requiring high current output with moderate bandwidth (20 MHz). Package geometry differs (8-DFN vs. 8-SOIC), requiring PCB layout modification.
Q: What packaging options are available for AD817 series?
A: AD817 is available in three package variants: AD817ANZ (8-DIP through-hole), AD817ARZ (8-SOIC tube packaging), AD817ARZ-REEL (8-SOIC cut tape with Digi-Reel), and AD817ARZ-REEL7 (8-SOIC cut tape with Digi-Reel). Select based on assembly process requirements and tape reel specifications.
Q: Do all substitute parts maintain ROHS3 compliance?
A: Yes. All listed substitute parts (AD711KRZ, AD711KRZ-REEL7, AD817ANZ, AD817ARZ, AD817ARZ-REEL, AD817ARZ-REEL7, AD8510BRZ, AD8510BRZ-REEL7, LT1010CDD#PBF, LT1010CDD#TRPBF) maintain ROHS3 compliance, MSL 1 moisture sensitivity rating, and REACH unaffected status, matching TLE2141CDR environmental specifications.
Q: What is the minimum supply voltage requirement for each substitute?
A: TLE2141CDR operates at 4V minimum. AD711KRZ and AD8510BRZ require 9V minimum. AD817 series requires 5V minimum. LT1010CDD requires 4.5V minimum. Verify circuit power supply specifications before selection.
Q: How do input bias currents compare across substitutes?
A: TLE2141CDR: 700 nA (bipolar input). AD711KRZ: 15 pA (J-FET input). AD8510BRZ: 25 pA (J-FET input). AD817ARZ: 3.3 µA (bipolar input). LT1010CDD: 500 µA (buffer). Select J-FET input types (AD711, AD8510) for applications requiring minimal input bias current.
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