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TLE2082ACDR Equivalent & Substitute Parts
Part Overview
The TLE2082ACDR is a J-FET input operational amplifier manufactured by Texas Instruments, configured as a dual-channel (2 circuit) device in an 8-SOIC surface mount package. This device is classified as Active product status and is RoHS3 compliant. The TLE2082ACDR is utilized in applications requiring low input bias current, low input offset voltage, and moderate slew rate performance across a wide supply voltage range. Substitute parts are identified when equivalent functional performance can be achieved within the specified electrical and mechanical parameters while maintaining package compatibility and compliance certifications.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | J-FET | — |
| Number of Circuits | 2 | — |
| Slew Rate | 40 | V/µs |
| Gain Bandwidth Product | 10 | MHz |
| Current - Input Bias | 20 | pA |
| Voltage - Input Offset | 700 | µV |
| Current - Supply | 3.1 (x2 Channels) | mA |
| Current - Output / Channel | 48 | mA |
| Voltage - Supply Span (Min) | 4.5 | V |
| Voltage - Supply Span (Max) | 38 | V |
| Operating Temperature | 0 to 70 | °C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the TLE2082ACDR is determined by equivalence in the following critical parameters:
Package Compatibility: All substitute parts must be housed in 8-SOIC (0.154", 3.90mm Width) surface mount package to ensure mechanical and electrical compatibility with existing PCB layouts.
Amplifier Architecture: All substitutes must be J-FET input operational amplifiers with dual-channel (2 circuit) configuration to maintain functional equivalence.
Supply Voltage Range: Substitute parts must support the minimum supply voltage of 4.5 V and maximum supply voltage of 38 V to ensure operation across the intended application range. Parts with narrower supply ranges may not be suitable for all deployment scenarios.
Electrical Performance Characteristics: Substitutes are grouped based on slew rate, gain bandwidth product, input bias current, and input offset voltage. Parts with superior performance (higher slew rate, higher bandwidth, lower bias current, lower offset voltage) are direct substitutes. Parts with degraded performance in these parameters may be substitutes only if the application does not require the higher performance specifications.
Compliance and Certifications: All substitute parts must maintain RoHS3 compliance, MSL Level 1 rating, and REACH Unaffected status to ensure regulatory and environmental compatibility.
Parameter Comparison
| Part Number | Manufacturer | Slew Rate (V/µs) | Gain Bandwidth Product (MHz) | Input Bias Current (pA) | Input Offset Voltage (µV) | Supply Current (mA) | Output Current / Channel (mA) | Supply Voltage Min (V) | Supply Voltage Max (V) | Operating Temperature (°C) | Package | Packaging Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TLE2082ACDR | Texas Instruments | 40 | 10 | 20 | 700 | 3.1 | 48 | 4.5 | 38 | 0 to 70 | 8-SOIC | Tape & Reel (TR) |
| TL082CMX/NOPB | Texas Instruments | 13 | 4 | 50 | 5000 | 3.6 | 17 | 36 | 36 | 0 to 70 | 8-SOIC | Tape & Reel (TR) |
| AD712JRZ | Analog Devices Inc. | 20 | 4 | 25 | 300 | 5 | 25 | 9 | 36 | 0 to 70 | 8-SOIC | Tube |
| AD712JRZ-REEL | Analog Devices Inc. | 20 | 4 | 25 | 300 | 5 | 25 | 9 | 36 | 0 to 70 | 8-SOIC | Cut Tape (CT) & Digi-Reel® |
| AD712JRZ-REEL7 | Analog Devices Inc. | 20 | 4 | 25 | 300 | 5 | 25 | 9 | 36 | 0 to 70 | 8-SOIC | Cut Tape (CT) & Digi-Reel® |
| AD746JRZ | Analog Devices Inc. | 75 | 13 | 110 | 300 | 7 | 25 | 9 | 36 | 0 to 70 | 8-SOIC | Tube |
| AD8620ARZ | Analog Devices Inc. | 60 | 25 | 3 | 85 | 3 | 45 | 10 | 26 | -40 to 125 | 8-SOIC | Tube |
| AD8620ARZ-REEL | Analog Devices Inc. | 60 | 25 | 3 | 85 | 3 | 45 | 10 | 26 | -40 to 125 | 8-SOIC | Tape & Reel (TR) |
| AD8620ARZ-REEL7 | Analog Devices Inc. | 60 | 25 | 3 | 85 | 3 | 45 | 10 | 26 | -40 to 125 | 8-SOIC | Cut Tape (CT) & Digi-Reel® |
| AD8620BRZ | Analog Devices Inc. | 60 | 25 | 3 | 45 | 3 | 45 | 10 | 26 | -40 to 125 | 8-SOIC | Tube |
| LT1057IS8#PBF | Analog Devices Inc. | 13 | 5 | 7 | 220 | 1.7 | — | 20 | 36 | -40 to 85 | 8-SOIC | Tube |
Engineering Selection Recommendations
Direct Substitutes with Superior Performance:
The AD8620ARZ, AD8620ARZ-REEL, AD8620ARZ-REEL7, and AD8620BRZ represent direct substitutes with enhanced electrical performance. These devices exceed the TLE2082ACDR in slew rate (60 V/µs vs. 40 V/µs), gain bandwidth product (25 MHz vs. 10 MHz), and input bias current (3 pA vs. 20 pA). The AD8620 series maintains RoHS3 compliance and MSL Level 1 rating. However, the maximum supply voltage is limited to 26 V compared to the TLE2082ACDR's 38 V maximum. Selection of AD8620 variants is appropriate for applications operating within the 10 V to 26 V supply range.
Substitutes with Reduced Performance:
The TL082CMX/NOPB, AD712JRZ, AD712JRZ-REEL, and AD712JRZ-REEL7 are substitutes with degraded electrical performance relative to the TLE2082ACDR. These devices exhibit lower slew rate (13 V/µs to 20 V/µs), lower gain bandwidth product (4 MHz), and higher input offset voltage (300 µV to 5000 µV). The TL082CMX/NOPB operates at a fixed 36 V supply voltage, eliminating flexibility for variable supply applications. The AD712 series supports a minimum supply voltage of 9 V, which is higher than the TLE2082ACDR's 4.5 V minimum. These substitutes are suitable only for applications where the reduced performance specifications are acceptable.
Enhanced Performance Substitute:
The AD746JRZ provides superior slew rate (75 V/µs) and gain bandwidth product (13 MHz) compared to the TLE2082ACDR. However, the input bias current is significantly higher (110 pA vs. 20 pA), which may be unsuitable for applications requiring ultra-low bias current. The AD746JRZ operates within a 9 V to 36 V supply range, which is narrower than the TLE2082ACDR's 4.5 V to 38 V range. This device is appropriate for high-speed applications where elevated bias current is tolerable.
Low-Power Substitute:
The LT1057IS8#PBF is a low-power alternative with minimal supply current (1.7 mA vs. 3.1 mA). This device exhibits lower slew rate (13 V/µs) and lower gain bandwidth product (5 MHz). The operating temperature range extends to -40°C, providing enhanced low-temperature performance. The minimum supply voltage is 20 V, which is significantly higher than the TLE2082ACDR's 4.5 V minimum. This substitute is appropriate for battery-powered or low-power applications where supply voltage remains above 20 V.
Packaging Considerations:
All substitute parts are available in 8-SOIC surface mount package with identical physical dimensions (0.154", 3.90mm Width). Packaging format variations (Tube, Tape & Reel, Cut Tape & Digi-Reel) do not affect electrical or mechanical compatibility. Selection of packaging format is determined by manufacturing and assembly requirements rather than functional equivalence.
Compliance Status:
All substitute parts maintain RoHS3 compliance, MSL Level 1 rating, and REACH Unaffected status, ensuring regulatory and environmental compatibility with the TLE2082ACDR.
Frequently Asked Questions (FAQ)
Q: Can the AD8620ARZ be used as a direct replacement for the TLE2082ACDR in all applications?
A: The AD8620ARZ is a direct substitute only for applications operating within the 10 V to 26 V supply voltage range. The TLE2082ACDR supports supply voltages up to 38 V, which exceeds the AD8620ARZ maximum rating. Applications requiring supply voltages above 26 V must retain the TLE2082ACDR or select an alternative substitute that supports the required voltage range.
Q: What is the primary difference between the TL082CMX/NOPB and the TLE2082ACDR?
A: The TL082CMX/NOPB exhibits significantly lower slew rate (13 V/µs vs. 40 V/µs), lower gain bandwidth product (4 MHz vs. 10 MHz), and higher input offset voltage (5000 µV vs. 700 µV). Additionally, the TL082CMX/NOPB operates at a fixed 36 V supply voltage, eliminating the flexibility of the TLE2082ACDR's 4.5 V to 38 V supply range. The TL082CMX/NOPB is suitable only for applications where these reduced specifications are acceptable.
Q: Are all substitute parts available in the same package as the TLE2082ACDR?
A: Yes. All substitute parts listed are housed in 8-SOIC (0.154", 3.90mm Width) surface mount package, ensuring mechanical compatibility with existing PCB layouts. Packaging format variations (Tube, Tape & Reel, Cut Tape & Digi-Reel) do not affect physical dimensions or electrical performance.
Q: Which substitute part offers the lowest input bias current?
A: The AD8620ARZ, AD8620ARZ-REEL, AD8620ARZ-REEL7, and AD8620BRZ all provide an input bias current of 3 pA, which is significantly lower than the TLE2082ACDR's 20 pA. These devices are appropriate for applications requiring ultra-low bias current, provided the supply voltage remains within the 10 V to 26 V range.
Q: Can the LT1057IS8#PBF be used in applications requiring supply voltages below 20 V?
A: No. The LT1057IS8#PBF has a minimum supply voltage rating of 20 V. Applications requiring supply voltages below 20 V must use the TLE2082ACDR or select an alternative substitute that supports the required minimum voltage.
Q: What is the operating temperature range difference between the TLE2082ACDR and the AD8620 series?
A: The TLE2082ACDR operates from 0°C to 70°C, while the AD8620 series (AD8620ARZ, AD8620ARZ-REEL, AD8620ARZ-REEL7, AD8620BRZ) operates from -40°C to 125°C. The AD8620 series provides extended low-temperature and high-temperature performance, making it suitable for applications requiring operation outside the 0°C to 70°C range.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All substitute parts listed maintain RoHS3 compliance, MSL Level 1 rating, and REACH Unaffected status, ensuring regulatory and environmental compatibility with the TLE2082ACDR.
Q: Which substitute part has the highest slew rate?
A: The AD746JRZ provides the highest slew rate at 75 V/µs, compared to the TLE2082ACDR's 40 V/µs. However, the AD746JRZ exhibits higher input bias current (110 pA) and operates within a narrower supply voltage range (9 V to 36 V). Selection of the AD746JRZ is appropriate for high-speed applications where elevated bias current is tolerable.
Q: Can packaging format (Tube vs. Tape & Reel vs. Cut Tape & Digi-Reel) affect electrical performance?
A: No. Packaging format variations do not affect electrical performance or functional equivalence. All packaging formats contain identical die and internal circuitry. Selection of packaging format is determined by manufacturing and assembly requirements rather than electrical characteristics.
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