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TL062ACPSRG4 Equivalent & Substitute Parts
Part Overview
The TL062ACPSRG4 is a J-FET input operational amplifier featuring two independent circuits in an 8-SOIC surface mount package. Manufactured by Texas Instruments, this device is designed for applications requiring low input bias current and high input impedance characteristics typical of J-FET amplifier topologies. The part is currently discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components for ongoing design requirements 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 | 3 | mV |
| Current - Supply (per Channel) | 200 | µA |
| Current - Output / Channel | 20 | mA |
| Voltage - Supply Span (Min) | 10 | V |
| Voltage - Supply Span (Max) | 30 | V |
| Operating Temperature Range | 0 to 70 | °C |
| Package / Case | 8-SOIC (0.209", 5.30mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the TL062ACPSRG4 is determined by the following critical parameters:
Primary Substitution Criteria:
- Amplifier Type: J-FET input topology
- Number of Circuits: Dual (2) independent amplifier stages
- Slew Rate: Minimum 3.3 V/µs
- Gain Bandwidth Product: Minimum 1 MHz
- Current - Input Bias: Maximum 30 pA
- Voltage - Input Offset: Maximum 3 mV
- Current - Supply: Maximum 200 µA per channel
- Current - Output / Channel: Minimum 20 mA
- Voltage - Supply Span: Minimum 10 V to Maximum 30 V
- Package / Case: 8-SOIC surface mount configuration
- Operating Temperature: 0°C to 70°C minimum coverage
Substitute Categories:
Category 1: Direct Equivalents (Texas Instruments TL062 Series) The TL062ACPSR represents the same base product with identical electrical specifications, differing only in packaging format (Tape & Reel versus individual packaging). This part maintains full electrical and functional equivalence.
Category 2: Enhanced Performance Substitutes (Analog Devices ADA4062 Series) The ADA4062-2ARZ, ADA4062-2ARZ-R7, and ADA4062-2BRZ variants provide superior performance characteristics including lower input bias current (2 pA), lower input offset voltage (750 µV to 500 µV), extended temperature range (-40°C to 125°C), and wider supply voltage range (8 V to 36 V). These parts are pin-compatible and functionally superior while maintaining J-FET input characteristics.
Category 3: General Purpose Alternatives (LM258 and LM158 Series) The LM258AWDT, LM258D, LM258DR2G, LM258DT, LM258WDT, and LM158DT represent general purpose operational amplifiers with dual circuits in 8-SOIC packages. These parts provide broader supply voltage ranges and extended temperature coverage but feature different amplifier topologies (general purpose versus J-FET) and higher input bias currents.
Parameter Comparison
| Parameter | TL062ACPSRG4 | TL062ACPSR | ADA4062-2ARZ | ADA4062-2ARZ-R7 | ADA4062-2BRZ | LM158DT | LM258AWDT | LM258D | LM258DR2G | LM258DT | LM258WDT |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Analog Devices | Analog Devices | Analog Devices | STMicroelectronics | STMicroelectronics | STMicroelectronics | onsemi | STMicroelectronics | STMicroelectronics |
| Amplifier Type | J-FET | J-FET | J-FET | J-FET | J-FET | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose |
| Number of Circuits | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Slew Rate (V/µs) | 3.5 | 3.5 | 3.3 | 3.3 | 3.3 | 0.6 | 0.6 | 0.6 | — | 0.6 | 0.6 |
| Gain Bandwidth Product (MHz) | 1 | 1 | 1.4 | 1.4 | 1.4 | 1.1 | 1.1 | 1.1 | 1 | 1.1 | 1.1 |
| Current - Input Bias (pA/nA) | 30 pA | 30 pA | 2 pA | 2 pA | 2 pA | 20 nA | 20 nA | 20 nA | 45 nA | 20 nA | 20 nA |
| Voltage - Input Offset (mV/µV) | 3 mV | 3 mV | 750 µV | 750 µV | 500 µV | 5 mV | 1 mV | 5 mV | 2 mV | 5 mV | 2 mV |
| Current - Supply per Channel (µA) | 200 | 200 | 165 | 165 | 165 | 700 | 700 | 700 | 800 | 700 | 700 |
| Current - Output / Channel (mA) | 20 | 20 | 20 | 20 | 20 | 40 | 60 | 40 | 40 | 40 | 60 |
| Voltage - Supply Span Min (V) | 10 | 10 | 8 | 8 | 8 | 3 | 3 | 3 | 3 | 3 | 3 |
| Voltage - Supply Span Max (V) | 30 | 30 | 36 | 36 | 36 | 30 | 30 | 30 | 32 | 30 | 30 |
| Operating Temperature (°C) | 0 to 70 | 0 to 70 | -40 to 125 | -40 to 125 | -40 to 125 | -55 to 125 | -40 to 105 | -40 to 105 | -25 to 85 | -40 to 105 | -40 to 105 |
| Package / Case | 8-SOIC (0.209", 5.30mm) | 8-SOIC (0.209", 5.30mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) |
| Product Status | Discontinued | Last Time Buy | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
For Direct Replacement (Identical Specifications):
The TL062ACPSR is the primary equivalent for the discontinued TL062ACPSRG4. Both parts share identical electrical characteristics, J-FET input topology, and supply voltage requirements. The distinction between these parts is packaging format: TL062ACPSR is supplied in Tape & Reel format while TL062ACPSRG4 was supplied in individual packaging. The TL062ACPSR maintains "Last Time Buy" status, indicating limited future availability. Current inventory of 2640 pieces is available.
For Enhanced Performance Applications:
The Analog Devices ADA4062-2ARZ, ADA4062-2ARZ-R7, and ADA4062-2BRZ series provide superior electrical performance with lower input bias current (2 pA versus 30 pA), lower input offset voltage (500 µV to 750 µV versus 3 mV), and extended operating temperature range (-40°C to 125°C versus 0°C to 70°C). These parts are pin-compatible J-FET amplifiers with active product status. The ADA4062-2ARZ-R7 variant offers the highest inventory availability at 17,915 pieces in Cut Tape & Digi-Reel packaging.
For General Purpose Applications with Extended Supply Range:
The LM258 and LM158 series provide general purpose operational amplifier functionality with broader supply voltage ranges (3 V to 30/32 V) and extended temperature coverage. These parts feature higher input bias currents (20 nA to 45 nA) and lower slew rates (0.6 V/µs) compared to the J-FET input TL062. Selection from this category is appropriate only when J-FET input characteristics are not required and general purpose amplifier performance is acceptable. Multiple variants are available with active product status and high inventory levels.
Compliance and Certification:
All substitute parts listed maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, consistent with the original TL062ACPSRG4. All parts are classified under ECCN EAR99 and HTSUS 8542.33.0001.
Frequently Asked Questions (FAQ)
Q: Can the TL062ACPSR be used as a direct replacement for the TL062ACPSRG4?
A: Yes. The TL062ACPSR is electrically and functionally identical to the TL062ACPSRG4. Both parts feature J-FET input topology, identical slew rate (3.5 V/µs), gain bandwidth product (1 MHz), input bias current (30 pA), and supply voltage requirements (10 V to 30 V). The difference is packaging format only. However, the TL062ACPSR has "Last Time Buy" status with limited future availability.
Q: Are the Analog Devices ADA4062 series parts pin-compatible with the TL062ACPSRG4?
A: Yes. The ADA4062-2ARZ, ADA4062-2ARZ-R7, and ADA4062-2BRZ are pin-compatible with the TL062ACPSRG4 in 8-SOIC surface mount packages. However, the ADA4062 series uses a smaller package body (0.154" width versus 0.209" width). This difference does not affect electrical compatibility but may require PCB layout verification for mechanical clearance in existing designs.
Q: What are the key differences between J-FET input amplifiers (TL062, ADA4062) and general purpose amplifiers (LM258, LM158)?
A: J-FET input amplifiers feature extremely low input bias current (2 pA to 30 pA) and high input impedance, making them suitable for high-impedance signal sources and precision measurement applications. General purpose amplifiers feature higher input bias current (20 nA to 45 nA) but offer broader supply voltage ranges and extended temperature coverage. Selection depends on application requirements for input impedance and bias current characteristics.
Q: Can LM258 or LM158 series parts replace the TL062ACPSRG4 in existing designs?
A: LM258 and LM158 series parts are not direct replacements for the TL062ACPSRG4 due to fundamental differences in amplifier topology (general purpose versus J-FET input). These parts feature input bias currents approximately 1000 times higher (20 nA to 45 nA versus 30 pA) and lower slew rates (0.6 V/µs versus 3.5 V/µs). Substitution is only appropriate when the original design does not require J-FET input characteristics and can tolerate higher input bias current and lower slew rate performance.
Q: What is the significance of the package width difference between TL062ACPSRG4 (0.209") and ADA4062 series (0.154")?
A: The package width difference reflects different manufacturing standards. The TL062ACPSRG4 uses a wider 8-SOIC body (0.209" or 5.30mm), while the ADA4062 series uses a narrower 8-SOIC body (0.154" or 3.90mm). Both are surface mount packages with identical pin pitch and electrical compatibility. PCB designs must verify that the narrower ADA4062 package provides adequate clearance in existing layouts, particularly for adjacent components.
Q: Which substitute part offers the best long-term availability?
A: The Analog Devices ADA4062-2ARZ-R7 offers the highest inventory availability at 17,915 pieces with active product status, indicating ongoing production and long-term availability. The LM258 series variants also maintain active status with high inventory levels (48,400 to 505,200 pieces depending on variant). The TL062ACPSR has "Last Time Buy" status with limited future availability.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All substitute parts listed (TL062ACPSR, ADA4062 series, LM258 series, and LM158DT) maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, consistent with the original TL062ACPSRG4.
Q: What is the operating temperature range difference between TL062ACPSRG4 and ADA4062 series?
A: The TL062ACPSRG4 operates from 0°C to 70°C, while the ADA4062 series operates from -40°C to 125°C. The extended temperature range of the ADA4062 series provides greater flexibility for applications requiring operation at elevated or reduced temperatures. Applications limited to 0°C to 70°C operation do not require this extended range.
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