TLE2142ACD Equivalent & Substitute Parts

Part Overview

The TLE2142ACD is a general-purpose operational amplifier manufactured by Texas Instruments, featuring dual circuits in an 8-SOIC surface-mount package. This device delivers rail-to-rail output capability with a slew rate of 45V/µs and a gain bandwidth product of 5.9 MHz, suitable for general-purpose amplification applications across industrial and consumer electronics. The TLE2142ACD is designated as Last Time Buy, indicating discontinued production status. Identification of equivalent and substitute parts is necessary to ensure design continuity and maintain supply chain reliability for ongoing production and maintenance applications.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Slew Rate	45	V/µs
Gain Bandwidth Product	5.9	MHz
Current - Input Bias	700	nA
Voltage - Input Offset	275	µV
Current - Supply (x2 Channels)	6.9	mA
Current - Output / Channel	50	mA
Voltage - Supply Span (Min)	4	V
Voltage - Supply Span (Max)	44	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 (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the TLE2142ACD is determined by electrical and mechanical compatibility across the following critical parameters: amplifier type, number of circuits, package type, mounting method, and operating temperature range. All substitute parts must maintain the 8-SOIC surface-mount package format to ensure direct PCB compatibility without layout modifications.

Substitute parts are grouped into two categories based on functional characteristics:

Category 1: Direct General-Purpose Replacements — Parts maintaining general-purpose amplifier classification with rail-to-rail or equivalent output capability, dual-circuit configuration, and compatible supply voltage ranges (4V to 44V or overlapping subset). These parts preserve the original design intent and application scope.

Category 2: Functional Alternatives — Parts with different amplifier topologies (J-FET, voltage feedback, audio) or modified electrical specifications that operate within the 8-SOIC package format. These parts require circuit evaluation to confirm suitability for specific applications but offer alternative performance characteristics.

All substitute parts listed comply with RoHS3 and maintain MSL 1 classification, ensuring environmental and handling compatibility with the original device.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Number of Circuits	Slew Rate (V/µs)	Gain Bandwidth Product (MHz)	Current - Input Bias (nA)	Voltage - Input Offset (µV)	Current - Supply (mA)	Voltage - Supply Min (V)	Voltage - Supply Max (V)	Operating Temperature (°C)	Product Status
TLE2142ACD	Texas Instruments	General Purpose	2	45	5.9	700	275	6.9	4	44	0 to 70	Last Time Buy
TLE2142ACDR	Texas Instruments	General Purpose	2	45	5.9	700	275	6.9	4	44	0 to 70	Active
AD712JRZ-REEL	Analog Devices Inc.	J-FET	2	20	4	0.025	300	5	9	36	0 to 70	Active
AD8512ARZ-REEL	Analog Devices Inc.	J-FET	2	20	8	0.025	100	2.2	10	30	-40 to 125	Active
AD8512BRZ	Analog Devices Inc.	J-FET	2	20	8	0.025	80	2.2	10	30	-40 to 125	Active
AD8512BRZ-REEL	Analog Devices Inc.	J-FET	2	20	8	0.025	80	2.2	10	30	-40 to 125	Active
AD8512BRZ-REEL7	Analog Devices Inc.	J-FET	2	20	8	0.025	80	2.2	10	30	-40 to 125	Active
LT1352IS8#PBF	Analog Devices Inc.	Voltage Feedback	2	200	3	20	200	0.25	5	30	-40 to 85	Active
OP275GSZ-REEL	Analog Devices Inc.	Audio	2	22	9	100	1000	4	9	44	-40 to 85	Active
OP292GSZ	Analog Devices Inc.	General Purpose	2	4	4	375	1000	1	4.5	33	-40 to 125	Active
OP292GSZ-REEL	Analog Devices Inc.	General Purpose	2	4	4	375	1000	1	4.5	33	-40 to 125	Active

Engineering Selection Recommendations

Primary Recommendation: TLE2142ACDR

The TLE2142ACDR is the manufacturer-recommended direct replacement for the TLE2142ACD. Both devices are produced by Texas Instruments and share identical electrical specifications, including 45V/µs slew rate, 5.9 MHz gain bandwidth product, 700 nA input bias current, and 4V to 44V supply voltage range. The TLE2142ACDR maintains Active product status, ensuring continued availability and manufacturing support. This part requires no circuit redesign and provides pin-for-pin compatibility in the 8-SOIC package. RoHS3 compliance and MSL 1 classification are maintained.

Secondary Recommendations: AD8512 Series (AD8512ARZ-REEL, AD8512BRZ, AD8512BRZ-REEL, AD8512BRZ-REEL7)

The AD8512 series from Analog Devices Inc. offers J-FET input topology with extended operating temperature range (-40°C to 125°C) and improved input offset voltage (80 µV to 100 µV). These parts maintain dual-circuit configuration and 8-SOIC packaging. However, the AD8512 series operates within a narrower supply voltage range (10V to 30V), which may not accommodate applications requiring the full 4V to 44V span of the original device. Slew rate is reduced to 20V/µs. Circuit evaluation is required to confirm compatibility with existing power supply architecture.

Tertiary Recommendations: OP292GSZ and OP292GSZ-REEL

The OP292 series provides general-purpose amplification with extended operating temperature range (-40°C to 125°C) and reduced power consumption (1 mA per dual channels). Supply voltage range is 4.5V to 33V, which overlaps substantially with the original device. However, slew rate is significantly reduced to 4V/µs, and gain bandwidth product is 4 MHz. These parts are suitable for low-speed, low-power applications where the original performance specifications are not required.

Alternative Consideration: OP275GSZ-REEL

The OP275GSZ-REEL is classified as an audio amplifier with 22V/µs slew rate and 9 MHz gain bandwidth product. Supply voltage range extends to 44V maximum, matching the original device. This part is suitable for audio and general-purpose applications where audio-grade performance is acceptable. Input offset voltage is elevated to 1 mV.

All recommended parts maintain RoHS3 compliance and MSL 1 classification, ensuring environmental and handling compatibility with the original TLE2142ACD.

Frequently Asked Questions (FAQ)

Q: Can the TLE2142ACDR be used as a direct replacement for the TLE2142ACD without circuit modification?

A: Yes. The TLE2142ACDR is electrically and mechanically identical to the TLE2142ACD. Both devices share the same pin configuration, electrical specifications, and 8-SOIC package format. No circuit redesign is required. The primary difference is product status: TLE2142ACDR is Active, while TLE2142ACD is Last Time Buy.

Q: What is the key limitation of the AD8512 series when substituting for the TLE2142ACD?

A: The AD8512 series operates within a supply voltage range of 10V to 30V, whereas the TLE2142ACD supports 4V to 44V. Applications requiring operation below 10V or above 30V cannot use the AD8512 series without power supply redesign. Additionally, the AD8512 series features J-FET input topology, which differs from the general-purpose topology of the TLE2142ACD, potentially affecting input impedance and bias current characteristics.

Q: Are all substitute parts available in the same packaging format as the TLE2142ACD?

A: Yes. All substitute parts listed are available in 8-SOIC surface-mount packages with identical physical dimensions (0.154" width, 3.90mm). This ensures direct PCB compatibility without layout modifications. Packaging variants (Tube, Tape & Reel, Cut Tape & Digi-Reel) differ only in quantity and delivery format, not in component form factor.

Q: Which substitute part offers the lowest power consumption?

A: The OP292GSZ and OP292GSZ-REEL offer the lowest supply current at 1 mA per dual channels, compared to 6.9 mA for the TLE2142ACD. However, this reduction in power consumption is accompanied by reduced slew rate (4V/µs versus 45V/µs) and lower gain bandwidth product (4 MHz versus 5.9 MHz). Selection should be based on application requirements rather than power consumption alone.

Q: What is the operating temperature range difference between the TLE2142ACD and recommended substitutes?

A: The TLE2142ACD operates from 0°C to 70°C. The TLE2142ACDR maintains this range. The AD8512 series, OP292 series, and OP275GSZ-REEL extend the upper operating temperature limit to 85°C or 125°C, providing improved thermal margin for high-temperature applications. The AD712JRZ-REEL maintains the 0°C to 70°C range.

Q: Can the LT1352IS8#PBF be used in applications designed for the TLE2142ACD?

A: The LT1352IS8#PBF is a voltage feedback amplifier with significantly different electrical characteristics. While it maintains dual-circuit configuration and 8-SOIC packaging, the 200V/µs slew rate, 3 MHz gain bandwidth product, and 5V to 30V supply voltage range differ substantially from the TLE2142ACD. This part is suitable only for applications where voltage feedback topology and reduced supply voltage range are acceptable. Circuit evaluation is mandatory.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed in this reference maintain RoHS3 compliance and MSL 1 (Unlimited) moisture sensitivity classification, ensuring environmental and handling compatibility with the original TLE2142ACD and compliance with current regulatory requirements.

Q: What distinguishes the AD8512 packaging variants (AD8512BRZ, AD8512BRZ-REEL, AD8512BRZ-REEL7)?

A: The AD8512 base part is available in three packaging formats: Tube (AD8512BRZ), Tape & Reel (AD8512BRZ-REEL), and Cut Tape & Digi-Reel (AD8512BRZ-REEL7). All three variants contain identical components with identical electrical specifications. Packaging format selection is determined by production volume and supply chain requirements, not by electrical performance.

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