TL082CD Equivalent & Substitute Parts

Part Overview

The TL082CD is a J-FET input operational amplifier containing two independent circuits in an 8-SOIC surface mount package, manufactured by Texas Instruments. This device is classified as obsolete but remains in stock with 21,083 units available. The TL082CD is designed for general-purpose amplification applications requiring low input bias current and low input offset voltage characteristics typical of J-FET input operational amplifiers.

Due to its obsolete product status, identifying equivalent and substitute parts is necessary for design continuity, long-term supply chain planning, and new production runs. Active alternatives with identical or superior electrical characteristics are available from both Texas Instruments and alternative manufacturers.

Key Parameters

Parameter	Value	Unit
Amplifier Type	J-FET	—
Number of Circuits	2	—
Slew Rate	13	V/µs
Gain Bandwidth Product	3	MHz
Current - Input Bias	30	pA
Voltage - Input Offset	3	mV
Current - Supply (x2 Channels)	1.4	mA
Current - Output / Channel	10	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	—

Substitute Part Grouping Explanation

Substitution of the TL082CD is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria:

Amplifier Type: J-FET input configuration
Number of Circuits: 2 independent operational amplifiers
Package / Case: 8-SOIC form factor (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Operating Temperature Range: Minimum 0°C to 70°C coverage
Supply Voltage Range: Minimum 10V to 30V span

Secondary Compatibility Parameters:

Slew Rate: 13 V/µs or greater
Gain Bandwidth Product: 3 MHz or greater
Input Bias Current: 30 pA or lower
Input Offset Voltage: 3 mV or lower
Supply Current: 1.4 mA per channel or lower
Output Current: 10 mA per channel or greater

Substitute parts are grouped into two categories:

Category 1 - Direct Equivalents (Identical Electrical Performance): Parts meeting all primary and secondary criteria with no parameter degradation. These include TL082CDR, TL082BCD, and TL082BCDT.

Category 2 - Enhanced Substitutes (Superior Performance): Parts exceeding the TL082CD specifications in one or more parameters while maintaining full compatibility. These include LF353DT, TL072CDT, TL082ACDT, TL082AIYDT, and TL082BIYDT. These parts offer improved slew rate, gain bandwidth product, output current capability, or extended supply voltage range.

Category 3 - Functional Alternatives (Different Amplifier Type): LM833DT is an audio amplifier with different electrical characteristics and is not recommended as a direct substitute for general-purpose J-FET applications.

Parameter Comparison

Part Number	Manufacturer	Product Status	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (mV)	Supply Current (mA)	Output Current (mA)	Supply Span (V)	Temp Range (°C)	Packaging
TL082CD	Texas Instruments	Obsolete	13	3	30	3	1.4	10	10–30	0–70	Tube
TL082CDR	Texas Instruments	Active	13	3	30	3	1.4	10	10–30	0–70	CT & Digi-Reel
TL082BCD	Texas Instruments	Obsolete	13	3	30	2	1.4	10	10–30	0–70	Tube
TL082CMX/NOPB	Texas Instruments	Active	13	4	50	5	3.6	17	36–36	0–70	Tape & Reel
LF353DT	STMicroelectronics	Active	16	4	20	3	1.4	40	6–36	0–70	CT & Digi-Reel
LM833DT	STMicroelectronics	Active	7	15	300	0.3	4	37	5–30	−40–105	CT & Digi-Reel
TL072CDT	STMicroelectronics	Active	16	4	20	3	1.4	40	6–36	0–70	CT & Digi-Reel
TL082ACDT	STMicroelectronics	Active	16	4	20	3	1.4	40	6–36	0–70	Cut Tape
TL082AIYDT	STMicroelectronics	Active	16	4	20	3	1.4	40	6–36	−40–105	CT & Digi-Reel
TL082BCDT	STMicroelectronics	Active	16	4	20	1	1.4	40	6–36	0–70	CT & Digi-Reel
TL082BIYDT	STMicroelectronics	Active	16	4	20	1	1.4	40	6–36	−40–105	Tape & Reel

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications):

TL082CDR is the primary recommended substitute. It is manufactured by Texas Instruments with active product status, ensuring long-term availability and supply chain stability. The TL082CDR maintains identical electrical specifications to the TL082CD across all critical parameters: 13 V/µs slew rate, 3 MHz gain bandwidth product, 30 pA input bias current, and 3 mV input offset voltage. The only difference is packaging format (Cut Tape & Digi-Reel versus Tube), which does not affect electrical performance. This part is suitable for direct pin-for-pin replacement in existing designs.

For Enhanced Performance with Extended Supply Range:

LF353DT (STMicroelectronics) and TL072CDT (STMicroelectronics) both provide superior electrical performance while maintaining J-FET input architecture. Both parts offer 16 V/µs slew rate (versus 13 V/µs), 4 MHz gain bandwidth product (versus 3 MHz), 20 pA input bias current (versus 30 pA), and 40 mA output current per channel (versus 10 mA). The extended supply voltage range of 6–36 V (versus 10–30 V) provides additional design flexibility. These parts are suitable for applications requiring improved performance margins.

For Automotive-Grade Applications:

TL082BCDT and TL082BIYDT are STMicroelectronics parts with AEC-Q100 automotive qualification. Both offer enhanced specifications (16 V/µs slew rate, 4 MHz gain bandwidth product, 20 pA input bias current, 1 mV input offset voltage) and extended temperature range (−40°C to 105°C for BIYDT variant). These parts are appropriate for automotive and industrial applications requiring temperature stability and qualification documentation.

Not Recommended:

LM833DT is an audio amplifier with fundamentally different electrical characteristics (300 nA input bias current, 15 MHz gain bandwidth product, 7 V/µs slew rate). This part is not suitable as a substitute for general-purpose J-FET operational amplifier applications.

Frequently Asked Questions (FAQ)

Q1: Can TL082CDR be used as a direct replacement for TL082CD?

Yes. TL082CDR is electrically identical to TL082CD across all specified parameters. The only difference is packaging format (Cut Tape & Digi-Reel versus Tube). Both parts are pin-compatible in 8-SOIC surface mount packages and require no circuit modifications.

Q2: What is the difference between TL082CDR and LF353DT?

Both are J-FET input dual operational amplifiers in 8-SOIC packages. LF353DT offers superior performance: 16 V/µs slew rate (versus 13 V/µs), 4 MHz gain bandwidth product (versus 3 MHz), lower input bias current (20 pA versus 30 pA), and higher output current capability (40 mA versus 10 mA per channel). LF353DT also supports a wider supply voltage range (6–36 V versus 10–30 V). These improvements make LF353DT suitable for applications requiring faster response or higher output drive capability.

Q3: Are STMicroelectronics TL082 variants compatible with Texas Instruments TL082CD?

Yes, with qualifications. STMicroelectronics TL082ACDT, TL082AIYDT, TL082BCDT, and TL082BIYDT are pin-compatible and functionally equivalent or superior to TL082CD. All maintain the same 8-SOIC package and J-FET input architecture. However, these parts feature enhanced specifications (16 V/µs slew rate, 4 MHz gain bandwidth product, 20 pA input bias current, 40 mA output current). The extended supply voltage range (6–36 V) and improved temperature stability make them suitable for direct replacement in most applications.

Q4: Which substitute part has the lowest input offset voltage?

TL082BCDT and TL082BIYDT both specify 1 mV input offset voltage, which is lower than the TL082CD specification of 3 mV. These parts are suitable for precision applications requiring minimal offset voltage.

Q5: Can I use TL082CMX/NOPB as a substitute?

TL082CMX/NOPB is not recommended as a direct substitute. While it maintains J-FET input architecture and 8-SOIC packaging, it has significant parameter differences: 50 pA input bias current (versus 30 pA), 5 mV input offset voltage (versus 3 mV), 3.6 mA supply current (versus 1.4 mA), and a fixed 36 V supply span (versus 10–30 V range). These differences make it unsuitable for designs optimized for the TL082CD specifications.

Q6: What is the advantage of TL082AIYDT or TL082BIYDT over other substitutes?

TL082AIYDT and TL082BIYDT both support extended operating temperature range (−40°C to 105°C versus 0–70°C for standard variants). Combined with AEC-Q100 automotive qualification, these parts are suitable for industrial and automotive applications requiring temperature stability and reliability documentation. Both offer enhanced electrical specifications (16 V/µs slew rate, 4 MHz gain bandwidth product, 20 pA input bias current, 40 mA output current).

Q7: Is LM833DT suitable for audio applications where TL082CD was used?

LM833DT is an audio amplifier with different electrical characteristics and is not recommended as a substitute for TL082CD in general-purpose applications. However, for dedicated audio amplification circuits, LM833DT may be evaluated independently based on specific audio performance requirements. Consult application-specific design criteria before substitution.

Q8: What packaging options are available for substitute parts?

Substitute parts are available in multiple packaging formats: Cut Tape (CT) & Digi-Reel, Tape & Reel (TR), and Tube. All maintain the same 8-SOIC (0.154", 3.90mm Width) form factor and surface mount mounting type. Packaging selection depends on production volume and assembly process requirements. Electrical performance is independent of packaging format.

Q9: Are all substitute parts RoHS3 compliant?

Yes. All substitute parts listed (TL082CDR, TL082BCD, TL082CMX/NOPB, LF353DT, LM833DT, TL072CDT, TL082ACDT, TL082AIYDT, TL082BCDT, TL082BIYDT) are ROHS3 compliant and REACH unaffected, meeting environmental regulatory requirements.

Q10: Which substitute part offers the best overall performance improvement?

TL072CDT and LF353DT both provide comprehensive performance improvements: 16 V/µs slew rate, 4 MHz gain bandwidth product, 20 pA input bias current, 40 mA output current per channel, and 6–36 V supply voltage range. TL072CDT includes AEC-Q100 automotive qualification. Both are suitable for applications requiring enhanced performance margins and extended operating conditions.

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