TLE2082ID Equivalent & Substitute Parts

Part Overview

The TLE2082ID is a J-FET input operational amplifier manufactured by Texas Instruments, configured as a dual-channel (2 circuit) device in an 8-SOIC surface mount package. This component is classified as Last Time Buy, indicating discontinued production with limited remaining inventory (1309 pcs). The TLE2082ID is designed for applications requiring low input bias current and high input impedance characteristics inherent to J-FET amplifier topology. Substitute parts are necessary due to product status transition and to ensure long-term design continuity and supply chain reliability.

Key Parameters

Parameter	Value	Unit
Amplifier Type	J-FET	—
Number of Circuits	2	—
Slew Rate	45	V/µs
Gain Bandwidth Product	10	MHz
Current - Input Bias	20	pA
Voltage - Input Offset	1.1	mV
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	-40 to 85	°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

Substitute parts for the TLE2082ID are grouped into two functional categories based on amplifier type and electrical performance characteristics:

Category 1: J-FET Amplifier Substitutes (Direct Topology Match) These parts maintain J-FET input architecture and are suitable for applications where low input bias current (pA range) and high input impedance are critical requirements. Substitutes in this category include TLE2082IDR, LT1057IS8, LT1057IS8#PBF, LT1057IS8#TRPBF, LT1057S8#PBF, and LT1057S8#TRPBF. These parts share the same dual-circuit configuration and 8-SOIC package footprint. Key electrical parameters determining substitution within this group are: Amplifier Type (J-FET), Number of Circuits (2), Package (8-SOIC), and operating temperature range compatibility.

Category 2: Audio/General Purpose Amplifier Substitutes (Functional Alternative) These parts employ different amplifier topologies (Audio or General Purpose) and are suitable for applications where J-FET characteristics are not mandatory. Substitutes include LM833DR2G, LM833DT, OP275GSZ, and MC1458DT. These alternatives provide dual-circuit configuration in 8-SOIC packaging but with different input bias current specifications and supply voltage requirements. Selection within this category depends on application tolerance for higher input bias current (nA range) and specific supply voltage constraints.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA/nA)	Input Offset (mV/µV)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Product Status	Packaging
TLE2082ID	Texas Instruments	J-FET	45	10	20 pA	1.1 mV	4.5	38	-40 to 85	Last Time Buy	Tube
TLE2082IDR	Texas Instruments	J-FET	45	10	20 pA	1.1 mV	4.5	38	-40 to 85	Active	Cut Tape & Digi-Reel
LT1057IS8	Analog Devices Inc.	J-FET	13	5	7 pA	220 µV	20	36	-40 to 85	Active	—
LT1057IS8#PBF	Analog Devices Inc.	J-FET	13	5	7 pA	220 µV	20	36	-40 to 85	Active	Tube
LT1057IS8#TRPBF	Analog Devices Inc.	J-FET	13	5	7 pA	220 µV	20	36	-40 to 85	Active	Tape & Reel
LT1057S8#PBF	Analog Devices Inc.	J-FET	13	5	7 pA	220 µV	20	36	0 to 70	Active	Tube
LT1057S8#TRPBF	Analog Devices Inc.	J-FET	13	5	7 pA	220 µV	20	36	0 to 70	Active	Tape & Reel
LM833DR2G	onsemi	Audio	7	15	300 nA	300 µV	10	36	-40 to 85	Active	Tape & Reel
LM833DT	STMicroelectronics	Audio	7	15	300 nA	300 µV	5	30	-40 to 105	Active	Cut Tape & Digi-Reel
OP275GSZ	Analog Devices Inc.	Audio	22	9	100 nA	1 mV	9	44	-40 to 85	Active	Tube
MC1458DT	STMicroelectronics	General Purpose	0.8	1	30 nA	1 mV	5	30	0 to 70	Active	Cut Tape & Digi-Reel

Engineering Selection Recommendations

Primary Recommendation: TLE2082IDR The TLE2082IDR is the direct substitute for TLE2082ID, manufactured by Texas Instruments with identical electrical specifications. This part maintains Active product status, ensuring long-term availability and supply chain continuity. The only difference is packaging format (Cut Tape & Digi-Reel versus Tube), which does not affect electrical performance or PCB compatibility. This substitute is ROHS3 compliant and carries identical compliance certifications (REACH Unaffected, EAR99, HTSUS 8542.33.0001). Inventory availability is higher (2173 pcs) than the original part.

Secondary Recommendation: LT1057 Series (LT1057IS8, LT1057IS8#PBF, LT1057IS8#TRPBF, LT1057S8#PBF, LT1057S8#TRPBF) The LT1057 series from Analog Devices Inc. maintains J-FET amplifier topology and dual-circuit configuration. These parts are suitable for applications where the TLE2082ID supply voltage range (4.5V to 38V) can be adjusted to the LT1057 requirement (20V to 36V minimum). The LT1057 series exhibits superior input bias current performance (7 pA versus 20 pA) and lower input offset voltage (220 µV versus 1.1 mV). All variants are Active status with ROHS3 compliance. Temperature range variants exist: LT1057IS8 and LT1057IS8#TRPBF support -40°C to 85°C; LT1057S8#PBF and LT1057S8#TRPBF support 0°C to 70°C. Selection among packaging variants (Tube, Cut Tape, Tape & Reel) depends on procurement and assembly requirements.

Tertiary Recommendation: Audio Amplifier Alternatives (LM833DR2G, LM833DT, OP275GSZ) These parts are suitable only for applications where J-FET input characteristics are not mandatory and higher input bias current (100 nA to 300 nA) is acceptable. LM833DR2G (onsemi) and LM833DT (STMicroelectronics) provide higher gain bandwidth product (15 MHz) and are Active status with ROHS3 compliance. OP275GSZ (Analog Devices Inc.) offers higher slew rate (22 V/µs) and extended supply voltage range (9V to 44V). These alternatives are not recommended for direct replacement in applications requiring J-FET input impedance characteristics.

Not Recommended: MC1458DT The MC1458DT General Purpose amplifier topology differs significantly from the TLE2082ID J-FET architecture. This part exhibits substantially lower gain bandwidth product (1 MHz versus 10 MHz) and slew rate (0.8 V/µs versus 45 V/µs), making it unsuitable for equivalent substitution.

Frequently Asked Questions (FAQ)

Q1: Can TLE2082IDR be used as a direct replacement for TLE2082ID? Yes. TLE2082IDR is manufactured by the same supplier (Texas Instruments) with identical electrical specifications, dual-circuit J-FET configuration, and 8-SOIC package footprint. The only difference is packaging format (Cut Tape & Digi-Reel versus Tube). Both parts are ROHS3 compliant with identical compliance certifications. TLE2082IDR is Active status, providing superior supply chain continuity compared to the Last Time Buy status of TLE2082ID.

Q2: What is the key difference between J-FET substitutes (LT1057 series) and Audio amplifier substitutes (LM833, OP275)? J-FET substitutes maintain low input bias current in the picoampere (pA) range and high input impedance, suitable for applications requiring minimal input loading. Audio amplifier substitutes operate with input bias current in the nanoampere (nA) range, resulting in higher input loading. Selection depends on whether the application circuit design requires J-FET input characteristics or can tolerate higher input bias current.

Q3: Are all substitute parts compatible with the same PCB footprint as TLE2082ID? Yes. All substitute parts listed use the 8-SOIC (0.154", 3.90mm Width) surface mount package, ensuring identical PCB footprint compatibility. No layout modifications are required for package substitution.

Q4: What supply voltage considerations apply when selecting LT1057 series as substitutes? The TLE2082ID operates with supply voltage range 4.5V to 38V. The LT1057 series requires minimum 20V supply voltage. Applications using supply voltages below 20V cannot use LT1057 substitutes. Verify circuit supply voltage specifications before selecting LT1057 alternatives.

Q5: Do all substitute parts maintain the same operating temperature range as TLE2082ID (-40°C to 85°C)? No. The TLE2082ID and most J-FET substitutes (LT1057IS8, LT1057IS8#PBF, LT1057IS8#TRPBF) support -40°C to 85°C. However, LT1057S8#PBF and LT1057S8#TRPBF support only 0°C to 70°C. Audio amplifier substitutes vary: LM833DR2G and OP275GSZ support -40°C to 85°C; LM833DT supports -40°C to 105°C; MC1458DT supports 0°C to 70°C. Verify application temperature requirements before selection.

Q6: Are all substitute parts ROHS3 compliant? Yes. All substitute parts listed are ROHS3 compliant with REACH Unaffected status and EAR99 ECCN classification, matching the compliance profile of TLE2082ID.

Q7: Which substitute offers the best input bias current performance? The LT1057 series offers superior input bias current performance at 7 pA, compared to TLE2082ID at 20 pA. This represents approximately 65% reduction in input bias current, beneficial for applications requiring minimal input loading or high-impedance signal sources.

Q8: What packaging options are available for substitute parts? Packaging options vary by part number: TLE2082IDR is available in Cut Tape & Digi-Reel; LT1057 variants are available in Tube, Cut Tape, and Tape & Reel formats; LM833DR2G is Tape & Reel; LM833DT is Cut Tape & Digi-Reel; OP275GSZ is Tube; MC1458DT is Cut Tape & Digi-Reel. Selection depends on procurement and assembly process requirements.

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