Request Quote
(Ships tomorrow)
TL071ACDT Equivalent & Substitute Parts
Part Overview
The TL071ACDT is a J-FET input operational amplifier manufactured by STMicroelectronics in an 8-SOIC surface mount package. This single-circuit amplifier is designed for general-purpose signal conditioning and amplification applications requiring low input bias current and low input offset voltage characteristics. The part is currently in active production status with 2278 units in stock. Substitute parts are necessary when the TL071ACDT becomes unavailable, when alternative packaging formats are required, or when design specifications permit operation within the electrical parameters of equivalent devices.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | J-FET | — |
| Number of Circuits | 1 | — |
| Slew Rate | 16 | V/µs |
| Gain Bandwidth Product | 4 | MHz |
| Current - Input Bias | 20 | pA |
| Voltage - Input Offset | 3 | mV |
| Current - Supply | 1.4 | mA |
| Current - Output / Channel | 40 | mA |
| Voltage - Supply Span (Min) | 6 | V |
| Voltage - Supply Span (Max) | 36 | 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 TL071ACDT is determined by electrical parameter compatibility within the following criteria:
Primary Substitution Criteria:
- Amplifier Type: J-FET or General Purpose
- Number of Circuits: 1 (single channel)
- Package / Case: 8-SOIC (0.154", 3.90mm Width)
- Mounting Type: Surface Mount
- Operating Temperature Range: Must encompass or match 0°C to 70°C minimum
- Slew Rate: 10 V/µs or greater
- Gain Bandwidth Product: 4 MHz or greater
- Current - Input Bias: 100 pA or lower
- Voltage - Input Offset: 3 mV or lower
- Voltage - Supply Span: Must accommodate 6 V minimum to 36 V maximum range
- RoHS Status: ROHS3 Compliant
Substitute parts are grouped into two categories: direct J-FET equivalents and general-purpose amplifiers with compatible electrical specifications. All substitute parts maintain the same 8-SOIC package footprint and surface mount configuration, ensuring mechanical and electrical compatibility with existing PCB designs.
Parameter Comparison
| Parameter | TL071ACDT | LF356M/NOPB | LF356MX/NOPB | LT1793CS8#PBF | LT1793IS8#PBF | MC33071ADR2G | MC33071DR2G | MC34071DR2G | OPA131UJ/2K5 | TL071ACD |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Texas Instruments | Texas Instruments | Analog Devices Inc. | Analog Devices Inc. | onsemi | onsemi | onsemi | Texas Instruments | STMicroelectronics |
| Amplifier Type | J-FET | J-FET | J-FET | J-FET | J-FET | General Purpose | General Purpose | General Purpose | J-FET | J-FET |
| Number of Circuits | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Slew Rate (V/µs) | 16 | 12 | 12 | 3.4 | 3.4 | 13 | 13 | 13 | 10 | 16 |
| Gain Bandwidth Product (MHz) | 4 | 5 | 5 | 4.2 | 4.2 | 4.5 | 4.5 | 4.5 | 4 | 4 |
| Current - Input Bias (pA) | 20 | 30 | 30 | 4 | 4 | 100000 | 100000 | 100000 | 5 | 20 |
| Voltage - Input Offset (mV) | 3 | 3 | 3 | 0.25 | 0.25 | 0.5 | 1 | 1 | 0.2 | 3 |
| Current - Supply (mA) | 1.4 | 5 | 5 | 4.2 | 4.2 | 1.9 | 1.9 | 1.9 | 1.5 | 1.4 |
| Current - Output / Channel (mA) | 40 | — | — | — | — | 30 | 30 | 30 | 25 | 40 |
| Voltage - Supply Span Min (V) | 6 | 30 | 30 | 9 | 9 | 3 | 3 | 3 | 9 | 6 |
| Voltage - Supply Span Max (V) | 36 | 30 | 30 | 40 | 40 | 44 | 44 | 44 | 36 | 36 |
| Operating Temperature (°C) | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | -40 to 85 | -40 to 85 | -40 to 85 | 0 to 70 | -40 to 85 | 0 to 70 |
| Package / Case | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active | Obsolete |
Engineering Selection Recommendations
Direct J-FET Equivalents (Preferred Category)
The TL071ACD represents the closest electrical equivalent to the TL071ACDT, sharing identical electrical specifications and J-FET amplifier architecture. Both parts are STMicroelectronics products with matching slew rate (16 V/µs), gain bandwidth product (4 MHz), input bias current (20 pA), and supply voltage range (6 V to 36 V). However, TL071ACD is listed as obsolete and should not be selected for new designs.
The OPA131UJ/2K5 (Texas Instruments) provides superior performance in several parameters while maintaining J-FET architecture. This part offers lower input offset voltage (200 µV versus 3 mV), lower input bias current (5 pA versus 20 pA), and extended operating temperature range (-40°C to 85°C). The OPA131UJ/2K5 is suitable for applications requiring enhanced precision and wider temperature operation. Moisture sensitivity level is MSL 3 (168 Hours), which requires controlled storage conditions.
The LF356M/NOPB and LF356MX/NOPB (Texas Instruments BI-FET™ series) offer higher gain bandwidth product (5 MHz versus 4 MHz) and comparable input bias current (30 pA). These parts operate at fixed 30 V supply voltage, which limits compatibility with designs requiring the full 6 V to 36 V range of the TL071ACDT. The LF356MX/NOPB provides higher inventory availability (90234 units) and is available in Cut Tape and Digi-Reel packaging.
The LT1793 series (Analog Devices Inc.) offers exceptional input bias current performance (4 pA) and input offset voltage (250 µV), making these parts suitable for precision instrumentation applications. The LT1793CS8#PBF and LT1793CS8#TRPBF variants operate within 0°C to 70°C range, matching the TL071ACDT temperature specification. The LT1793IS8#PBF extends operation to -40°C to 85°C. However, slew rate is significantly lower (3.4 V/µs), which may limit suitability for high-speed signal conditioning applications.
General Purpose Amplifier Alternatives
The MC33071ADR2G and MC33071DR2G (onsemi) are general-purpose amplifiers with slew rate of 13 V/µs and gain bandwidth product of 4.5 MHz. These parts feature significantly higher input bias current (100 nA) compared to the TL071ACDT (20 pA), making them unsuitable for applications requiring ultra-low input bias current. The MC33071 series supports extended supply voltage range (3 V to 44 V) and extended operating temperature (-40°C to 85°C for ADR2G variant).
The MC34071DR2G (onsemi) shares electrical specifications with the MC33071 series but operates within 0°C to 70°C temperature range, matching the TL071ACDT. This part is available in Tape & Reel packaging with 2001 units in stock.
Product Status Considerations
All substitute parts listed are in active production status except TL071ACD (obsolete). For new designs and long-term supply assurance, selection should be limited to active-status parts. The TL071ACDT itself is active with 2278 units in stock, providing immediate availability.
Compliance and Certification
All listed parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility with current environmental standards. Moisture sensitivity levels range from MSL 1 (unlimited) to MSL 3 (168 hours), with most parts at MSL 1. The OPA131UJ/2K5 at MSL 3 requires controlled storage and handling procedures.
Frequently Asked Questions (FAQ)
Q: Can the LF356M/NOPB directly replace the TL071ACDT in all applications?
A: The LF356M/NOPB shares the same 8-SOIC package and J-FET amplifier architecture. However, it operates at a fixed 30 V supply voltage, whereas the TL071ACDT supports 6 V to 36 V. If your circuit design requires operation below 30 V or above 30 V, the LF356M/NOPB is not suitable. Additionally, slew rate is lower (12 V/µs versus 16 V/µs), which may affect high-frequency performance.
Q: What is the difference between the LT1793CS8#PBF and LT1793IS8#PBF?
A: Both parts are identical in electrical specifications and package type (8-SOIC). The primary difference is operating temperature range: LT1793CS8#PBF operates 0°C to 70°C, while LT1793IS8#PBF operates -40°C to 85°C. Select LT1793IS8#PBF for applications requiring extended temperature operation or military/aerospace environments.
Q: Why do the MC33071 and MC34071 parts have higher input bias current than the TL071ACDT?
A: The MC33071 and MC34071 are general-purpose amplifiers, not J-FET input designs. General-purpose amplifiers typically use bipolar input stages, which inherently exhibit higher input bias current (100 nA) compared to J-FET input stages (20 pA). These parts are suitable only for applications where input bias current is not a critical specification.
Q: Is the OPA131UJ/2K5 a direct replacement for the TL071ACDT?
A: The OPA131UJ/2K5 is electrically compatible and shares the same 8-SOIC package. It offers superior performance in input offset voltage (200 µV versus 3 mV) and input bias current (5 pA versus 20 pA). The extended operating temperature range (-40°C to 85°C) provides additional flexibility. However, moisture sensitivity level is MSL 3, requiring controlled storage conditions. Verify that your supply chain and manufacturing processes accommodate MSL 3 handling requirements.
Q: Can I use the LT1793 series in applications requiring high slew rate?
A: The LT1793 series has slew rate of 3.4 V/µs, which is significantly lower than the TL071ACDT (16 V/µs). For applications requiring fast signal transients or high-frequency amplification, the LT1793 series is not suitable. Select parts with slew rate of 10 V/µs or greater, such as OPA131UJ/2K5 (10 V/µs), MC33071 series (13 V/µs), or LF356 series (12 V/µs).
Q: What packaging options are available for substitute parts?
A: All substitute parts are available in 8-SOIC surface mount package, ensuring mechanical compatibility with TL071ACDT PCB designs. Packaging format variations include Tube, Cut Tape (CT), Digi-Reel®, and Tape & Reel (TR). These variations affect handling and assembly processes but do not change electrical or mechanical specifications. Select packaging format based on your manufacturing equipment and inventory management requirements.
Q: Are all substitute parts RoHS3 compliant?
A: Yes, all substitute parts listed are ROHS3 compliant and REACH unaffected. This ensures compatibility with current environmental regulations and procurement standards for commercial and industrial applications.
Q: Which substitute part offers the best overall performance?
A: Performance depends on application requirements. For precision instrumentation requiring lowest input bias current and offset voltage, the LT1793IS8#PBF (4 pA bias, 250 µV offset) is optimal. For high-speed applications requiring maximum slew rate, the TL071ACDT itself (16 V/µs) or TL071ACD (16 V/µs, obsolete) are preferred. For general-purpose applications with extended temperature operation, the OPA131UJ/2K5 (-40°C to 85°C, 10 V/µs slew rate) provides balanced performance.
Q: Can I substitute the TL071ACDT with a general-purpose amplifier like the MC33071?
A: Substitution is possible only if your application does not require the low input bias current characteristic of J-FET amplifiers. The MC33071 series has input bias current of 100 nA, which is 5000 times higher than the TL071ACDT (20 pA). This difference is critical in high-impedance signal conditioning, precision measurement, and photodiode amplifier applications. For general-purpose buffering and gain applications where input bias current is not critical, the MC33071 series is acceptable.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts