TLE2142AID Equivalent & Substitute Parts

Part Overview

The TLE2142AID is a general-purpose operational amplifier featuring dual circuits in an 8-SOIC surface-mount package. This device is manufactured by Texas Instruments and provides rail-to-rail output capability with a 45 V/µs slew rate and 5.9 MHz gain bandwidth product. The TLE2142AID 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 applications currently utilizing this component.

Key Parameters

Parameter	Value
Manufacturer Part Number	TLE2142AID
Manufacturer	Texas Instruments
Category	Linear, Amplifiers
Amplifier Type	General Purpose
Number of Circuits	2
Package / Case	8-SOIC (0.154", 3.90mm Width)
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	6.9 mA (x2 Channels)
Current - Output / Channel	50 mA
Voltage - Supply Span (Min)	4 V
Voltage - Supply Span (Max)	44 V
Operating Temperature	-40°C ~ 105°C (TA)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Product Status	Last Time Buy

Substitute Part Grouping Explanation

Substitution of the TLE2142AID is determined by the following critical parameters: package type (8-SOIC), number of circuits (2), mounting type (surface mount), supply voltage range compatibility, and operating temperature range. The TLE2142AID operates across 4 V to 44 V supply span with a temperature range of -40°C to 105°C.

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

Category 1: Direct Equivalents (Same Packaging, Amplifier Type, and Electrical Characteristics) These parts maintain identical or near-identical electrical performance and are packaged in 8-SOIC format. The TLE2142AIDR represents the direct equivalent with active product status and improved packaging options.

Category 2: Functional Alternatives (8-SOIC Package, Dual Circuits, Different Amplifier Architecture) These parts share the 8-SOIC package and dual-circuit configuration but employ different amplifier topologies (J-FET, voltage feedback, or audio-optimized designs). Substitution in this category requires verification that the alternative amplifier type meets application-specific requirements.

Critical parameters for substitution assessment:

Package compatibility: 8-SOIC form factor
Circuit count: Dual (2) circuits
Supply voltage range overlap
Operating temperature range coverage
Output drive capability (current per channel)
Slew rate and bandwidth characteristics

Parameter Comparison

Parameter	TLE2142AID	TLE2142AIDR	AD712KRZ-REEL7	AD8512BRZ-REEL7	ADA4075-2ARZ-RL	LT1352IS8#TRPBF	OP275GSZ	OP292GSZ
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.
Amplifier Type	General Purpose	General Purpose	J-FET	J-FET	General Purpose	Voltage Feedback	Audio	General Purpose
Number of Circuits	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
Slew Rate	45 V/µs	45 V/µs	20 V/µs	20 V/µs	12 V/µs	200 V/µs	22 V/µs	4 V/µs
Gain Bandwidth Product	5.9 MHz	5.9 MHz	4 MHz	8 MHz	6.5 MHz	3 MHz	9 MHz	4 MHz
Current - Input Bias	700 nA	700 nA	25 pA	25 pA	30 nA	20 nA	100 nA	375 nA
Voltage - Input Offset	275 µV	275 µV	300 µV	80 µV	200 µV	200 µV	1 mV	1 mV
Current - Supply	6.9 mA (x2)	6.9 mA (x2)	5 mA	2.2 mA (x2)	1.8 mA (x2)	250 µA (x2)	4 mA	1 mA (x2)
Current - Output / Channel	50 mA	50 mA	25 mA	70 mA	40 mA	14 mA	90 mA	10.5 mA
Voltage - Supply Span (Min)	4 V	4 V	9 V	10 V	9 V	5 V	9 V	4.5 V
Voltage - Supply Span (Max)	44 V	44 V	36 V	30 V	36 V	30 V	44 V	33 V
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	0°C ~ 70°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C
Product Status	Last Time Buy	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

Engineering Selection Recommendations

Primary Recommendation: TLE2142AIDR

The TLE2142AIDR is the manufacturer-recommended direct equivalent to the TLE2142AID. This part maintains identical electrical specifications, including 45 V/µs slew rate, 5.9 MHz gain bandwidth product, 700 nA input bias current, and 275 µV input offset voltage. The TLE2142AIDR is available in active product status with expanded packaging options (Cut Tape and Digi-Reel®), ensuring long-term supply availability. Both parts are ROHS3 compliant and carry identical compliance certifications. This substitution requires no circuit redesign or performance verification.

Secondary Recommendations by Application Profile:

For Low-Power Applications: ADA4075-2ARZ-RL offers reduced supply current (1.8 mA vs. 6.9 mA) while maintaining general-purpose amplifier functionality. This part is active and ROHS3 compliant. Supply voltage range (9 V to 36 V) is narrower than the TLE2142AID; applications requiring operation below 9 V are not suitable for this substitute.

For High-Speed Applications: AD8512BRZ-REEL7 provides 8 MHz gain bandwidth product and superior input offset voltage (80 µV). This J-FET amplifier topology delivers lower input bias current (25 pA) and higher output current per channel (70 mA). Operating temperature range extends to 125°C. Supply voltage range (10 V to 30 V) is more restrictive than the TLE2142AID.

For Audio Applications: OP275GSZ is optimized for audio signal processing with 9 MHz bandwidth and 90 mA output current per channel. This part maintains compatibility with the TLE2142AID supply voltage range (9 V to 44 V) and operating temperature (-40°C to 85°C). Audio-specific design may introduce different noise and distortion characteristics.

For Ultra-Low-Power Applications: LT1352IS8#TRPBF features exceptionally low supply current (250 µA per channel) with 200 V/µs slew rate. This voltage feedback topology is suitable for battery-powered applications. Supply voltage range (5 V to 30 V) and operating temperature range (-40°C to 85°C) are more limited than the TLE2142AID.

For Extended Temperature Range: OP292GSZ and AD8512BRZ-REEL7 both support -40°C to 125°C operating range, exceeding the TLE2142AID specification of -40°C to 105°C. OP292GSZ offers the lowest supply current (1 mA per channel) but reduced slew rate (4 V/µs).

All recommended substitutes are ROHS3 compliant and carry REACH Unaffected status, matching the TLE2142AID compliance profile.

Frequently Asked Questions (FAQ)

Q: Can the TLE2142AIDR be used as a direct replacement for the TLE2142AID without circuit modification?

A: Yes. The TLE2142AIDR is the manufacturer-recommended equivalent with identical electrical specifications and 8-SOIC packaging. No circuit redesign is required. The primary difference is packaging format (Cut Tape & Digi-Reel® vs. Tube) and active product status.

Q: What is the key difference between the TLE2142AID and J-FET alternatives like AD8512BRZ-REEL7?

A: The TLE2142AID is a general-purpose amplifier with 700 nA input bias current. J-FET alternatives (AD8512BRZ-REEL7, AD712KRZ-REEL7) feature extremely low input bias current (25 pA) due to their J-FET input stage. This characteristic is advantageous for high-impedance signal sources but may introduce different frequency response and noise characteristics. Supply voltage range is also more restricted in J-FET devices.

Q: Are all substitute parts available in 8-SOIC packaging?

A: Yes. All substitute parts listed are packaged in 8-SOIC (0.154", 3.90mm width) format, ensuring mechanical and electrical compatibility with the TLE2142AID footprint.

Q: Which substitute part has the lowest power consumption?

A: The LT1352IS8#TRPBF operates at 250 µA per channel, significantly lower than the TLE2142AID (6.9 mA per channel). However, this part features voltage feedback topology and reduced slew rate (200 V/µs vs. 45 V/µs), making it suitable only for applications where low power consumption is prioritized over high-speed performance.

Q: Can I use OP292GSZ in applications requiring the full 4 V to 44 V supply range of the TLE2142AID?

A: No. The OP292GSZ supply voltage range is 4.5 V to 33 V. While the minimum voltage is compatible, the maximum voltage is limited to 33 V, restricting use in applications requiring operation above 33 V.

Q: What is the significance of the "Last Time Buy" status for the TLE2142AID?

A: Last Time Buy status indicates that Texas Instruments has discontinued production of this part. Existing inventory is available for purchase, but no future production is planned. Designers should transition to the TLE2142AIDR or alternative parts to ensure long-term supply chain continuity.

Q: How does the slew rate difference between TLE2142AID (45 V/µs) and LT1352IS8#TRPBF (200 V/µs) affect circuit performance?

A: Slew rate determines the maximum rate of voltage change the amplifier can produce. The LT1352IS8#TRPBF's higher slew rate (200 V/µs) enables faster signal transitions, beneficial for high-frequency applications. However, this part has lower gain bandwidth product (3 MHz vs. 5.9 MHz), making it unsuitable for applications requiring both high slew rate and high bandwidth.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant and carry REACH Unaffected status, matching the environmental compliance profile of the TLE2142AID.

Q: Which substitute offers the best input offset voltage specification?

A: The AD8512BRZ-REEL7 provides the lowest input offset voltage at 80 µV, compared to 275 µV for the TLE2142AID. This characteristic is advantageous for precision analog applications requiring minimal DC error.

Q: Can I use OP275GSZ in audio applications as a substitute for the TLE2142AID?

A: Yes. The OP275GSZ is specifically optimized for audio applications with 9 MHz bandwidth and 90 mA output current per channel. It maintains compatibility with the TLE2142AID supply voltage range (9 V to 44 V). However, the operating temperature range is limited to -40°C to 85°C, compared to -40°C to 105°C for the TLE2142AID.

Q: What is the primary advantage of ADA4075-2ARZ-RL over the TLE2142AID?

A: The ADA4075-2ARZ-RL features significantly reduced supply current (1.8 mA per channel vs. 6.9 mA) and lower input offset voltage (200 µV vs. 275 µV). It is part of the iPolar® series and supports extended operating temperature (-40°C to 125°C). The trade-off is a narrower supply voltage range (9 V to 36 V) and reduced slew rate (12 V/µs).

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