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TLE2082AIDR Equivalent & Substitute Parts
Part Overview
The TLE2082AIDR is a J-FET input operational amplifier manufactured by Texas Instruments, housed in an 8-SOIC surface mount package. This dual-channel amplifier is designed for applications requiring low input bias current and high input impedance characteristics. The device is currently in active production status with 1947 units in stock inventory.
Substitute parts are identified when equivalent functional performance can be achieved within the specified electrical and mechanical parameters of the 8-SOIC package category. Substitution becomes necessary due to component availability, supply chain constraints, or specific application requirements that align with alternative manufacturer offerings.
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 | -40 to 85 | °C |
| Mounting Type | Surface Mount | — |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the TLE2082AIDR is determined by strict adherence to the following criteria:
Primary Substitution Criteria:
- Amplifier Type: J-FET input configuration
- Number of Circuits: Dual-channel (2 circuits)
- Package / Case: 8-SOIC form factor (0.154", 3.90mm Width)
- Mounting Type: Surface Mount
- RoHS Status: ROHS3 Compliant
- Moisture Sensitivity Level: 1 (Unlimited)
Secondary Electrical Parameters for Compatibility Assessment:
- Voltage - Supply Span compatibility (minimum and maximum operating voltages)
- Operating Temperature range coverage
- Current - Input Bias characteristics
- Slew Rate and Gain Bandwidth Product performance envelope
Substitute parts are grouped into two categories based on electrical performance alignment:
Category A - Performance-Aligned Substitutes: Parts with slew rate and gain bandwidth product specifications that meet or exceed the TLE2082AIDR baseline (40 V/µs slew rate, 10 MHz GBP).
Category B - Conservative Substitutes: Parts with lower slew rate and gain bandwidth product specifications, suitable for applications where the TLE2082AIDR performance envelope is not a limiting factor.
Parameter Comparison
| Part Number | Manufacturer | Slew Rate (V/µs) | GBP (MHz) | Input Bias (pA) | Input Offset (µV) | Supply Min (V) | Supply Max (V) | Temp Range (°C) | Package | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|
| TLE2082AIDR | Texas Instruments | 40 | 10 | 20 | 700 | 4.5 | 38 | -40 to 85 | 8-SOIC | 1947 |
| TL082CMX/NOPB | Texas Instruments | 13 | 4 | 50 | 5000 | 36 | 36 | 0 to 70 | 8-SOIC | 2264 |
| AD746JRZ | Analog Devices Inc. | 75 | 13 | 110 | 300 | 9 | 36 | 0 to 70 | 8-SOIC | 2113 |
| AD8620ARZ | Analog Devices Inc. | 60 | 25 | 3 | 85 | 10 | 26 | -40 to 125 | 8-SOIC | 2100 |
| AD8620ARZ-REEL | Analog Devices Inc. | 60 | 25 | 3 | 85 | 10 | 26 | -40 to 125 | 8-SOIC | 2610 |
| AD8620ARZ-REEL7 | Analog Devices Inc. | 60 | 25 | 3 | 85 | 10 | 26 | -40 to 125 | 8-SOIC | 4300 |
| AD8620BRZ | Analog Devices Inc. | 60 | 25 | 3 | 45 | 10 | 26 | -40 to 125 | 8-SOIC | 2256 |
| LT1057IS8#PBF | Analog Devices Inc. | 13 | 5 | 7 | 220 | 20 | 36 | -40 to 85 | 8-SOIC | 1515 |
| LT1057IS8#TRPBF | Analog Devices Inc. | 13 | 5 | 7 | 220 | 20 | 36 | -40 to 85 | 8-SOIC | 2200 |
| LT1057S8#PBF | Analog Devices Inc. | 13 | 5 | 7 | 220 | 20 | 36 | 0 to 70 | 8-SOIC | 2900 |
| LT1057S8#TRPBF | Analog Devices Inc. | 13 | 5 | 7 | 220 | 20 | 36 | 0 to 70 | 8-SOIC | 2090 |
Engineering Selection Recommendations
Category A - Performance-Aligned Substitutes (Slew Rate ≥ 40 V/µs):
The AD746JRZ and AD8620 series (AD8620ARZ, AD8620ARZ-REEL, AD8620ARZ-REEL7, AD8620BRZ) demonstrate slew rate performance equal to or exceeding the TLE2082AIDR baseline. These parts are suitable for direct substitution in applications where the original performance envelope must be maintained.
AD8620 variants offer extended operating temperature range (-40°C to 125°C) compared to the TLE2082AIDR (-40°C to 85°C), providing broader environmental coverage. The AD8620ARZ-REEL7 variant offers the highest inventory availability (4300 units) among performance-aligned options.
Category B - Conservative Substitutes (Slew Rate < 40 V/µs):
The TL082CMX/NOPB and LT1057 series (LT1057IS8#PBF, LT1057IS8#TRPBF, LT1057S8#PBF, LT1057S8#TRPBF) operate at reduced slew rate (13 V/µs) and gain bandwidth product (4-5 MHz). These parts are suitable for applications where transient response and bandwidth requirements do not demand the full performance specification of the TLE2082AIDR.
All substitute parts maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited) status, consistent with the main part specification.
Frequently Asked Questions (FAQ)
Q: Can the TL082CMX/NOPB directly replace the TLE2082AIDR in all applications?
A: The TL082CMX/NOPB shares the same 8-SOIC package and dual J-FET amplifier configuration. However, it operates at 13 V/µs slew rate and 4 MHz gain bandwidth product, compared to the TLE2082AIDR's 40 V/µs and 10 MHz specifications. Substitution is valid only for applications where these reduced performance parameters are acceptable. Additionally, the TL082CMX/NOPB operating temperature range (0°C to 70°C) is narrower than the TLE2082AIDR (-40°C to 85°C).
Q: What is the difference between AD8620ARZ, AD8620ARZ-REEL, and AD8620ARZ-REEL7?
A: These three variants are electrically identical with identical electrical specifications (60 V/µs slew rate, 25 MHz gain bandwidth product, -40°C to 125°C operating range). The differences are in packaging format: AD8620ARZ is supplied in Tube packaging, AD8620ARZ-REEL in Tape & Reel format, and AD8620ARZ-REEL7 in Cut Tape & Digi-Reel® format. Selection depends on assembly process requirements and inventory availability.
Q: Are the LT1057 variants suitable for high-speed signal processing applications?
A: The LT1057 series operates at 13 V/µs slew rate and 5 MHz gain bandwidth product. These specifications are lower than the TLE2082AIDR. The LT1057 series is suitable for applications with moderate bandwidth requirements and where power consumption efficiency is prioritized (1.7 mA supply current versus 3.1 mA for the TLE2082AIDR).
Q: What is the significance of the supply voltage range differences?
A: The TLE2082AIDR operates across 4.5 V to 38 V supply range. The AD8620 series operates across 10 V to 26 V, and the LT1057 series across 20 V to 36 V. Substitution is valid only when the application's supply voltage falls within the substitute part's specified range. For applications requiring operation below 10 V, the AD8620 series is not suitable.
Q: Can I use AD8620BRZ instead of AD8620ARZ?
A: Yes. The AD8620BRZ and AD8620ARZ are electrically equivalent with identical slew rate (60 V/µs), gain bandwidth product (25 MHz), and operating temperature range (-40°C to 125°C). The primary difference is input offset voltage: AD8620BRZ specifies 45 µV versus AD8620ARZ at 85 µV. Both are suitable substitutes for the TLE2082AIDR in performance-critical applications.
Q: What packaging options are available for high-volume production?
A: For high-volume surface mount assembly, Tape & Reel (TR) and Cut Tape & Digi-Reel® packaging options are available. The AD8620ARZ-REEL7 offers the highest inventory (4300 units) in Cut Tape & Digi-Reel® format. The LT1057IS8#TRPBF and LT1057S8#TRPBF provide Tape & Reel options with 2200 and 2090 units respectively.
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