TLE2142IDR Equivalent & Substitute Parts

Part Overview

The TLE2142IDR is a general-purpose operational amplifier manufactured by Texas Instruments, featuring dual circuits in an 8-SOIC surface-mount package. This device operates across a wide supply voltage range of 4V to 44V with rail-to-rail output capability, making it suitable for applications requiring broad voltage compatibility and moderate slew rate performance. The part is currently in active production status with RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified based on matching package type, circuit count, mounting technology, and compatible electrical operating ranges.

Key Parameters

Parameter	TLE2142IDR
Manufacturer	Texas Instruments
Category	Linear, Amplifiers
Amplifier Type	General Purpose
Number of Circuits	2
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Output Type	Rail-to-Rail
Slew Rate	45 V/µs
Gain Bandwidth Product	5.9 MHz
Voltage - Supply Span (Min)	4 V
Voltage - Supply Span (Max)	44 V
Operating Temperature	-40°C ~ 105°C
Current - Input Bias	700 nA
Voltage - Input Offset	290 µV
Current - Supply	6.9 mA (x2 Channels)
Current - Output / Channel	50 mA
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the TLE2142IDR are selected based on the following criteria:

Package Compatibility: All substitute parts use the 8-SOIC surface-mount package with 0.154" width (3.90mm), ensuring mechanical and electrical compatibility with existing PCB layouts.

Circuit Configuration: All substitutes feature dual-circuit (2-channel) operational amplifier architecture, maintaining functional equivalence in applications requiring two independent amplification stages.

Supply Voltage Range: Substitute parts must operate within overlapping voltage ranges. The TLE2142IDR operates from 4V to 44V. Substitute parts with minimum supply voltages of 8V to 10V and maximum ratings of 30V to 36V are compatible with applications using supply voltages within the 8V to 36V overlap window.

Mounting Technology: All substitutes are surface-mount devices suitable for automated assembly processes identical to the main part.

Amplifier Type Variations: Substitutes include both general-purpose and J-FET input topologies. General-purpose types (ADA4075 series) maintain similar input bias current characteristics to the TLE2142IDR. J-FET input types (AD8512, ADA4000, LT1057) offer significantly lower input bias currents (5 pA to 25 pA versus 700 nA), suitable for high-impedance input applications.

Compliance Status: All substitute parts maintain RoHS3 compliance, unlimited MSL rating, and active production status.

Parameter Comparison

Parameter	TLE2142IDR	AD8512ARZ	AD8512ARZ-REEL	AD8512ARZ-REEL7	ADA4000-2ARZ	ADA4000-2ARZ-R7	ADA4000-2ARZ-RL	ADA4075-2ARZ	ADA4075-2ARZ-R7	ADA4075-2ARZ-RL	LT1057IS8#PBF
Manufacturer	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.
Amplifier Type	General Purpose	J-FET	J-FET	J-FET	J-FET	J-FET	J-FET	General Purpose	General Purpose	General Purpose	J-FET
Number of Circuits	2	2	2	2	2	2	2	2	2	2	2
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SO
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Slew Rate (V/µs)	45	20	20	20	20	20	20	12	12	12	13
Gain Bandwidth Product (MHz)	5.9	8	8	8	5	5	5	6.5	6.5	6.5	5
Current - Input Bias (nA/pA)	700 nA	25 pA	25 pA	25 pA	5 pA	5 pA	5 pA	30 nA	30 nA	30 nA	7 pA
Voltage - Input Offset (µV)	290	100	100	100	200	200	200	200	200	200	220
Current - Supply (mA x2 Channels)	6.9	2.2	2.2	2.2	1.35	1.35	1.35	1.8	1.8	1.8	1.7
Current - Output / Channel (mA)	50	70	70	70	28	28	28	40	40	40	Not Specified
Voltage - Supply Span (Min)	4 V	10 V	10 V	10 V	8 V	8 V	8 V	9 V	9 V	9 V	20 V
Voltage - Supply Span (Max)	44 V	30 V	30 V	30 V	36 V	36 V	36 V	36 V	36 V	36 V	36 V
Operating Temperature	-40°C ~ 105°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C
RoHS Status	ROHS3 Compliant	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	Active	Active

Engineering Selection Recommendations

General-Purpose Amplifier Substitutes (ADA4075 Series):

The ADA4075-2ARZ, ADA4075-2ARZ-R7, and ADA4075-2ARZ-RL maintain the general-purpose amplifier topology of the TLE2142IDR. These parts feature significantly lower input bias current (30 nA versus 700 nA) and reduced supply current (1.8 mA versus 6.9 mA per dual-channel configuration). The ADA4075 series operates within the 9V to 36V supply range, compatible with applications using supply voltages between 9V and 36V. All three variants are RoHS3 compliant with active production status. Selection between tube, cut-tape, and tape-and-reel packaging depends on procurement and assembly requirements.

J-FET Input Substitutes (AD8512, ADA4000, LT1057 Series):

J-FET input amplifiers offer ultra-low input bias currents (5 pA to 25 pA) compared to the TLE2142IDR's 700 nA specification. The AD8512ARZ series (8 MHz gain-bandwidth product) and ADA4000-2ARZ series (5 MHz gain-bandwidth product) operate within 8V to 36V or 10V to 30V supply ranges respectively. The LT1057IS8#PBF operates within a narrower 20V to 36V range and supports operating temperatures only to 85°C. All J-FET variants are RoHS3 compliant and in active production. These substitutes are appropriate for high-impedance input applications where input bias current minimization is critical.

Supply Voltage Compatibility:

Applications requiring the full 4V to 44V supply range of the TLE2142IDR cannot be directly substituted with any listed alternative, as all substitutes have minimum supply voltage requirements of 8V or higher and maximum ratings of 30V to 36V. For applications operating within the 8V to 36V window, all substitutes are electrically compatible.

Packaging Variants:

All substitute parts are available in multiple packaging configurations. The "-REEL" and "-REEL7" designations indicate cut-tape and digi-reel packaging suitable for automated pick-and-place assembly. Tube packaging variants are available for manual assembly or lower-volume applications. Package selection does not affect electrical performance.

Compliance and Production Status:

All substitute parts maintain RoHS3 compliance, unlimited moisture sensitivity level (MSL 1), and active production status, ensuring long-term availability and regulatory compliance equivalent to the TLE2142IDR.

Frequently Asked Questions (FAQ)

Q: Can the ADA4075-2ARZ directly replace the TLE2142IDR in all applications?

A: The ADA4075-2ARZ is electrically compatible with the TLE2142IDR for applications operating within the overlapping supply voltage range of 9V to 36V. Both devices feature dual general-purpose amplifier circuits in 8-SOIC packages with surface-mount compatibility. However, the ADA4075 has lower slew rate (12 V/µs versus 45 V/µs) and reduced output current capability (40 mA versus 50 mA per channel). Applications requiring the full 4V to 44V supply range or higher slew rate performance cannot use the ADA4075 as a direct substitute.

Q: What is the primary advantage of J-FET input substitutes over the TLE2142IDR?

A: J-FET input amplifiers (AD8512, ADA4000, LT1057 series) provide input bias currents in the picoampere range (5 pA to 25 pA) compared to the TLE2142IDR's 700 nanoampere specification. This ultra-low input bias current is essential for high-impedance input circuits, transimpedance amplifiers, and applications where input leakage current must be minimized. The trade-off is a narrower supply voltage range and lower slew rate performance.

Q: Are all substitute parts available in cut-tape and reel packaging?

A: Most substitute parts are available in multiple packaging formats. The ADA4075-2ARZ series and ADA4000-2ARZ series offer tube, cut-tape (CT), and tape-and-reel (TR) variants. The AD8512ARZ is available in tube packaging, while AD8512ARZ-REEL and AD8512ARZ-REEL7 are cut-tape variants. The LT1057IS8#PBF is available in tube packaging. Packaging selection depends on procurement volume and assembly process requirements.

Q: What is the temperature operating range difference between the TLE2142IDR and substitute parts?

A: The TLE2142IDR operates from -40°C to 105°C. Most substitute parts (AD8512, ADA4000, ADA4075 series) extend the upper temperature limit to 125°C, providing broader temperature range coverage. The LT1057IS8#PBF has a more limited upper temperature rating of 85°C. Application temperature requirements should be verified against the selected substitute part's specifications.

Q: Can the TLE2142IDR be substituted in applications requiring 50 mA output current per channel?

A: The TLE2142IDR provides 50 mA output current per channel. Among the substitutes, the AD8512 series offers 70 mA per channel, exceeding the original specification. The ADA4075 series provides 40 mA per channel, which is lower than the TLE2142IDR. The ADA4000 series provides only 28 mA per channel. Applications requiring exactly 50 mA or higher output current should use the AD8512 series or verify that the lower output current of ADA4075 or ADA4000 is acceptable for the specific circuit design.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all listed substitute parts are RoHS3 compliant with unlimited moisture sensitivity level (MSL 1) rating, matching the compliance status of the TLE2142IDR. All parts are in active production status, ensuring regulatory compliance and long-term availability.

Q: What is the difference between AD8512ARZ-REEL and AD8512ARZ-REEL7?

A: Both AD8512ARZ-REEL and AD8512ARZ-REEL7 are cut-tape and digi-reel packaging variants of the same AD8512 base product. The electrical specifications are identical. The difference is in packaging configuration and reel specifications. Both are suitable for automated assembly processes. Selection depends on specific reel format compatibility with assembly equipment.

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