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TL062BCD Equivalent & Substitute Parts
Part Overview
The TL062BCD is a J-FET input operational amplifier featuring two independent circuits in an 8-SOIC surface mount package. This device is classified as Last Time Buy, indicating discontinued production status. The TL062BCD operates across a 10V to 30V supply range with a 1 MHz gain bandwidth product and 3.5V/µs slew rate, making it suitable for precision signal conditioning and low-noise amplification applications. Due to its Last Time Buy status, equivalent and substitute parts are necessary for ongoing design support and production continuity.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | J-FET | — |
| Number of Circuits | 2 | — |
| Slew Rate | 3.5 | V/µs |
| Gain Bandwidth Product | 1 | MHz |
| Current - Input Bias | 30 | pA |
| Voltage - Input Offset | 2 | mV |
| Current - Supply (x2 Channels) | 200 | µA |
| Current - Output / Channel | 20 | mA |
| Voltage - Supply Span (Min) | 10 | V |
| Voltage - Supply Span (Max) | 30 | 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 TL062BCD is determined by compatibility across electrical performance parameters and mechanical form factor. The primary substitution criteria are:
Direct Electrical Equivalents (J-FET Amplifiers): Parts maintaining J-FET input architecture with matching gain bandwidth product (1 MHz), slew rate (3.5V/µs), input bias current (30 pA range), and supply voltage span compatibility (10V to 30V minimum) are classified as direct equivalents. These parts preserve the low-noise, high-input-impedance characteristics essential to J-FET amplifier applications.
Functional Alternatives (General Purpose Amplifiers): General purpose amplifier substitutes feature 2-circuit configurations in 8-SOIC packages with compatible supply voltage ranges (minimum 3V to 30V or higher). These parts differ in amplifier type, slew rate, and input bias current specifications but maintain the same package footprint and circuit count. Functional alternatives are suitable for applications where J-FET input characteristics are not mandatory.
Key Substitution Parameters:
- Number of Circuits: 2 (mandatory)
- Package / Case: 8-SOIC (0.154", 3.90mm Width) (mandatory)
- Mounting Type: Surface Mount (mandatory)
- Voltage - Supply Span (Min): 10V or lower (for direct equivalents); 3V or lower (for functional alternatives)
- Voltage - Supply Span (Max): 30V or higher (mandatory)
- Operating Temperature: 0°C to 70°C minimum coverage (mandatory)
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Slew Rate (V/µs) | Gain BW (MHz) | Input Bias (pA/nA) | Input Offset (mV/µV) | Supply Current (µA) | Output Current (mA) | Supply Min (V) | Supply Max (V) | Temp Range (°C) | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TL062BCD | Texas Instruments | J-FET | 3.5 | 1 | 30 pA | 2 mV | 200 | 20 | 10 | 30 | 0 to 70 | Last Time Buy |
| TL062BCDR | Texas Instruments | J-FET | 3.5 | 1 | 30 pA | 2 mV | 200 | 20 | 10 | 30 | 0 to 70 | Active |
| TL062BCDT | STMicroelectronics | J-FET | 3.5 | 1 | 30 nA | 2 mV | 200 | 20 | 6 | 36 | 0 to 70 | Active |
| LM2904AYDT | STMicroelectronics | General Purpose | 0.6 | 1.1 | 20 nA | 1 mV | 700 | 40 | 3 | 30 | -40 to 125 | Active |
| LM258ADT | STMicroelectronics | General Purpose | 0.6 | 1.1 | 20 nA | 1 mV | 700 | 40 | 3 | 30 | -40 to 105 | Active |
| LM258AYDT | STMicroelectronics | General Purpose | 0.6 | 1.1 | 20 nA | 1 mV | 700 | 40 | 3 | 30 | -40 to 105 | Active |
| LM358AWDT | STMicroelectronics | General Purpose | 0.6 | 1.1 | 20 nA | 1 mV | 700 | 40 | 3 | 30 | 0 to 70 | Active |
| LM358ADR2G | onsemi | General Purpose | — | 1 | 45 nA | 2 mV | 800 | 40 | 3 | 32 | 0 to 70 | Active |
| AS358AMTR-E1 | Diodes Incorporated | General Purpose | — | — | 20 nA | 2 mV | 700 | 40 | 3 | 36 | -40 to 85 | Active |
| AP4310AMTR-G1 | Diodes Incorporated | General Purpose | 0.5 | 1 | 20 nA | 500 µV | 150 | 40 | 3 | 36 | -40 to 105 | Active |
| LM833DT | STMicroelectronics | Audio | 7 | 15 | 300 nA | 300 µV | 4 | 37 | 5 | 30 | -40 to 105 | Active |
Engineering Selection Recommendations
Direct Equivalent Selection:
TL062BCDR (Texas Instruments) is the primary direct equivalent, maintaining identical electrical specifications to the TL062BCD with Active product status. This part is recommended for applications requiring exact performance matching and is available in Cut Tape and Digi-Reel packaging formats.
TL062BCDT (STMicroelectronics) provides J-FET amplifier functionality with extended supply voltage range (6V to 36V) and improved input bias current specification (30 nA versus 30 pA). This part is suitable for applications tolerating the specified input bias current variation while benefiting from wider supply voltage compatibility.
General Purpose Amplifier Selection:
LM2904AYDT (STMicroelectronics) is an AEC-Q100 qualified general purpose amplifier with extended operating temperature range (-40°C to 125°C) and Active product status. This part is suitable for automotive-grade applications where J-FET input characteristics are not required.
LM258ADT and LM258AYDT (STMicroelectronics) are AEC-Q100 qualified general purpose amplifiers with Active product status and automotive-grade qualification. These parts provide 1.1 MHz gain bandwidth product and are suitable for temperature-controlled environments (0°C to 70°C or -40°C to 105°C).
LM358AWDT (STMicroelectronics) is an AEC-Q100 qualified general purpose amplifier with operating temperature range matching the TL062BCD (0°C to 70°C) and Active product status.
LM358ADR2G (onsemi) is a general purpose amplifier with Active product status and operating temperature range (0°C to 70°C) matching the TL062BCD. This part features 1 MHz gain bandwidth product.
AS358AMTR-E1 (Diodes Incorporated) is a general purpose amplifier with extended supply voltage range (3V to 36V) and Active product status. This part is suitable for applications requiring wide supply voltage compatibility.
AP4310AMTR-G1 (Diodes Incorporated) is a general purpose amplifier with extended operating temperature range (-40°C to 105°C), improved input offset voltage (500 µV), and reduced supply current (150 µA). This part is suitable for low-power applications.
Audio Amplifier Selection:
LM833DT (STMicroelectronics) is an audio amplifier with significantly higher slew rate (7V/µs) and gain bandwidth product (15 MHz). This part is suitable only for audio-frequency applications where the TL062BCD's precision characteristics are not required.
All recommended parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.
Frequently Asked Questions (FAQ)
Q: Can the TL062BCDR directly replace the TL062BCD without circuit modification?
A: Yes. The TL062BCDR maintains identical electrical specifications and package form factor. The only difference is packaging format (Cut Tape & Digi-Reel versus Tube) and Active product status. No circuit modifications are required.
Q: What is the primary difference between the TL062BCDT and TL062BCD?
A: The TL062BCDT features an extended supply voltage range (6V to 36V versus 10V to 30V) and input bias current specification of 30 nA instead of 30 pA. The slew rate, gain bandwidth product, and package remain identical. Applications operating within the 10V to 30V range experience no functional difference.
Q: Are general purpose amplifiers suitable replacements for the TL062BCD?
A: General purpose amplifiers are functional alternatives when J-FET input characteristics (low input bias current and high input impedance) are not critical to application performance. These parts maintain the same package footprint and circuit count but differ in amplifier type, slew rate, and input bias current. Circuit performance validation is necessary for applications sensitive to these parameters.
Q: What is the significance of the 8-SOIC package specification?
A: The 8-SOIC package is a surface mount form factor with 0.154-inch width and 3.90mm body width. All substitute parts listed maintain this identical package specification, ensuring mechanical and electrical compatibility with existing printed circuit board layouts without redesign.
Q: Why do some substitute parts specify lower minimum supply voltage (3V versus 10V)?
A: General purpose amplifiers are designed for broader application compatibility, including low-voltage battery-powered systems. The TL062BCD's 10V minimum supply voltage reflects its J-FET input design optimization. Applications requiring operation below 10V must select substitute parts with lower minimum supply voltage specifications.
Q: What does AEC-Q100 qualification indicate?
A: AEC-Q100 qualification certifies that a component meets automotive industry reliability and quality standards established by the Automotive Electronics Council. Parts bearing this qualification (LM2904AYDT, LM258ADT, LM258AYDT, LM358AWDT) are suitable for automotive applications requiring enhanced reliability documentation.
Q: How does input bias current affect circuit performance?
A: Input bias current determines the magnitude of current flowing into the amplifier input terminals. The TL062BCD specifies 30 pA (picoamperes), characteristic of J-FET input amplifiers. General purpose substitutes typically specify 20 nA to 45 nA (nanoamperes), which is 1000 times higher. Applications with high-impedance signal sources or precision transimpedance configurations require low input bias current and should prioritize J-FET amplifier selections.
Q: Can the LM833DT replace the TL062BCD in precision signal conditioning applications?
A: No. The LM833DT is an audio amplifier with significantly different electrical characteristics (7V/µs slew rate, 15 MHz gain bandwidth product, 300 nA input bias current). This part is optimized for audio-frequency applications and is unsuitable for precision DC or low-frequency signal conditioning where the TL062BCD's characteristics are required.
Q: What packaging formats are available for substitute parts?
A: Substitute parts are available in multiple packaging formats: Tube (TL062BCD), Cut Tape & Digi-Reel (TL062BCDR, LM258ADT, LM2904AYDT, LM358AWDT, LM358ADR2G, AP4310AMTR-G1), and Tape & Reel (TL062BCDT, LM258AYDT, AS358AMTR-E1). Selection depends on production volume and assembly process requirements.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All substitute parts listed in this reference are ROHS3 compliant and REACH unaffected, meeting current environmental regulations for electronic component manufacturing and use.
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