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TLE2082ACD Equivalent & Substitute Parts
Part Overview
The TLE2082ACD is a J-FET operational amplifier featuring two independent circuits in an 8-SOIC surface mount package. This device is classified as Last Time Buy, indicating discontinued production with limited inventory availability. The TLE2082ACD operates across a wide supply voltage range of 4.5V to 38V and is designed for applications requiring low input bias current and moderate slew rate performance. Identification of equivalent and substitute parts is necessary due to product discontinuation and the need for long-term design continuity and procurement flexibility.
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 (x2 Channels) | 3.1 | 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 | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the TLE2082ACD is determined by strict adherence to the following electrical and mechanical parameters:
Primary Substitution Criteria:
- Amplifier Type: J-FET
- Number of Circuits: 2
- Package / Case: 8-SOIC (0.154", 3.90mm Width)
- Mounting Type: Surface Mount
- Operating Temperature Range: 0°C to 70°C minimum
Secondary Compatibility Parameters:
- Slew Rate: 40 V/µs or greater
- Gain Bandwidth Product: 10 MHz or greater
- Current - Input Bias: 20 pA or lower
- Voltage - Input Offset: 700 µV or lower
- Current - Supply: 3.1 mA (x2 Channels) or lower
- Current - Output / Channel: 48 mA or greater
- Voltage - Supply Span (Min): 4.5 V or lower
- Voltage - Supply Span (Max): 38 V or greater
Substitute parts are grouped into two categories: direct equivalents (identical electrical specifications with different packaging) and functional equivalents (superior or comparable electrical performance within the same package footprint).
Parameter Comparison
| Part Number | Manufacturer | Product Status | Slew Rate (V/µs) | GBW (MHz) | Input Bias (pA) | Input Offset (µV) | Supply Current (mA) | Output Current (mA) | Supply Min (V) | Supply Max (V) | Temp Range (°C) | Packaging |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TLE2082ACD | Texas Instruments | Last Time Buy | 40 | 10 | 20 | 700 | 3.1 | 48 | 4.5 | 38 | 0 to 70 | Tube |
| TLE2082ACDR | Texas Instruments | Active | 40 | 10 | 20 | 700 | 3.1 | 48 | 4.5 | 38 | 0 to 70 | Tape & Reel |
| TL082CMX/NOPB | Texas Instruments | Active | 13 | 4 | 50 | 5000 | 3.6 | 17 | 36 | 36 | 0 to 70 | Tape & Reel |
| AD712JRZ | Analog Devices Inc. | Active | 20 | 4 | 25 | 300 | 5 | 25 | 9 | 36 | 0 to 70 | Tube |
| AD712JRZ-REEL | Analog Devices Inc. | Active | 20 | 4 | 25 | 300 | 5 | 25 | 9 | 36 | 0 to 70 | Cut Tape & Digi-Reel |
| AD712JRZ-REEL7 | Analog Devices Inc. | Active | 20 | 4 | 25 | 300 | 5 | 25 | 9 | 36 | 0 to 70 | Cut Tape & Digi-Reel |
| AD746JRZ | Analog Devices Inc. | Active | 75 | 13 | 110 | 300 | 7 | 25 | 9 | 36 | 0 to 70 | Tube |
| AD8620ARZ | Analog Devices Inc. | Active | 60 | 25 | 3 | 85 | 3 | 45 | 10 | 26 | -40 to 125 | Tube |
| AD8620ARZ-REEL | Analog Devices Inc. | Active | 60 | 25 | 3 | 85 | 3 | 45 | 10 | 26 | -40 to 125 | Tape & Reel |
| AD8620ARZ-REEL7 | Analog Devices Inc. | Active | 60 | 25 | 3 | 85 | 3 | 45 | 10 | 26 | -40 to 125 | Cut Tape & Digi-Reel |
| AD8620BRZ | Analog Devices Inc. | Active | 60 | 25 | 3 | 45 | 3 | 45 | 10 | 26 | -40 to 125 | Tube |
Engineering Selection Recommendations
Direct Equivalent (Recommended Primary Substitute):
The TLE2082ACDR is the direct functional equivalent of the TLE2082ACD. Both parts share identical electrical specifications including slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, and output current. The TLE2082ACDR is manufactured by Texas Instruments and maintains Active product status, ensuring long-term availability and supply chain continuity. The only difference is packaging format: TLE2082ACDR is supplied in Tape & Reel format versus the Tube packaging of the TLE2082ACD. Both are ROHS3 Compliant with MSL 1 rating.
Secondary Substitutes (Performance-Enhanced Alternatives):
The AD8620 series (AD8620ARZ, AD8620ARZ-REEL, AD8620ARZ-REEL7, AD8620BRZ) offers superior electrical performance with higher slew rate (60 V/µs), higher gain bandwidth product (25 MHz), and significantly lower input bias current (3 pA). These parts are manufactured by Analog Devices Inc. and maintain Active product status. The AD8620 series operates across a narrower supply voltage range (10V to 26V) compared to the TLE2082ACD (4.5V to 38V), which may limit applicability in designs requiring extended supply voltage operation. The AD8620 series supports an extended operating temperature range of -40°C to 125°C. All AD8620 variants are ROHS3 Compliant with MSL 1 rating.
The AD746JRZ provides high slew rate (75 V/µs) and high gain bandwidth product (13 MHz) performance. However, input bias current is elevated at 110 pA, which exceeds the TLE2082ACD specification. The AD746JRZ operates within a narrower supply voltage range (9V to 36V). This part is suitable for applications where high-speed performance is prioritized over low input bias current characteristics.
The AD712 series (AD712JRZ, AD712JRZ-REEL, AD712JRZ-REEL7) offers lower slew rate (20 V/µs) and lower gain bandwidth product (4 MHz) compared to the TLE2082ACD. These parts are not recommended as direct substitutes due to reduced performance specifications.
The TL082CMX/NOPB exhibits significantly reduced performance across multiple parameters including slew rate (13 V/µs), gain bandwidth product (4 MHz), and input bias current (50 pA). This part operates at a fixed supply voltage of 36V and is not recommended as a substitute for the TLE2082ACD.
Frequently Asked Questions (FAQ)
Q: Can the TLE2082ACDR be used as a direct replacement for the TLE2082ACD?
A: Yes. The TLE2082ACDR is electrically identical to the TLE2082ACD across all specified parameters. The only difference is packaging format: TLE2082ACDR is supplied in Tape & Reel format while TLE2082ACD is supplied in Tube format. Both parts are compatible with 8-SOIC surface mount assembly processes.
Q: What is the primary reason to substitute the TLE2082ACD?
A: The TLE2082ACD is classified as Last Time Buy, indicating production discontinuation. The TLE2082ACDR provides identical electrical performance with Active product status, ensuring continued availability and supply chain reliability.
Q: Can the AD8620 series replace the TLE2082ACD in all applications?
A: The AD8620 series provides superior electrical performance in slew rate, gain bandwidth product, and input bias current. However, the AD8620 series operates within a narrower supply voltage range (10V to 26V) compared to the TLE2082ACD (4.5V to 38V). Substitution is valid only for applications operating within the AD8620 supply voltage limits.
Q: What are the key electrical differences between the TLE2082ACD and AD8620 series?
A: The AD8620 series offers higher slew rate (60 V/µs versus 40 V/µs), higher gain bandwidth product (25 MHz versus 10 MHz), and significantly lower input bias current (3 pA versus 20 pA). The AD8620 series also features lower input offset voltage (85 µV or 45 µV versus 700 µV). These enhancements make the AD8620 series suitable for high-speed, low-noise applications. The trade-off is a narrower supply voltage operating range.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All substitute parts listed are ROHS3 Compliant with Moisture Sensitivity Level 1 (Unlimited), matching the compliance profile of the TLE2082ACD.
Q: What packaging options are available for substitutes?
A: Substitute parts are available in multiple packaging formats: Tube, Tape & Reel (TR), and Cut Tape & Digi-Reel (CT). All parts maintain the same 8-SOIC (0.154", 3.90mm Width) footprint, ensuring mechanical compatibility with existing PCB designs. Packaging selection depends on assembly process requirements and procurement volume.
Q: Does the AD8620 series support the full operating temperature range of the TLE2082ACD?
A: The TLE2082ACD operates from 0°C to 70°C. The AD8620 series operates from -40°C to 125°C, providing an extended temperature range. For applications limited to 0°C to 70°C operation, both temperature ranges are compatible.
Q: Why is the TL082CMX/NOPB not recommended as a substitute?
A: The TL082CMX/NOPB exhibits reduced performance across critical parameters: slew rate is 13 V/µs (versus 40 V/µs), gain bandwidth product is 4 MHz (versus 10 MHz), and input bias current is 50 pA (versus 20 pA). Additionally, the TL082CMX/NOPB operates at a fixed supply voltage of 36V, eliminating the flexible supply voltage range of the TLE2082ACD. This part is not suitable for applications requiring the performance characteristics of the TLE2082ACD.
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