TLE2142ACDG4 Equivalent & Substitute Parts

Part Overview

The TLE2142ACDG4 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 applications requiring moderate-speed signal conditioning and amplification across a wide supply voltage range of 4V to 44V.

The TLE2142ACDG4 carries a Last Time Buy product status, indicating that Texas Instruments has discontinued this part number. Identifying equivalent and substitute components is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production requirements for systems utilizing this amplifier topology.

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 TLE2142ACDG4 is determined by alignment across the following critical parameters:

Primary Substitution Criteria:

Package type: 8-SOIC surface-mount form factor
Number of circuits: Dual-channel configuration
Supply voltage range compatibility: Minimum 4V to maximum 44V operation
Output type: Rail-to-rail capability
Slew rate: 45V/µs or greater
Gain bandwidth product: 5.9 MHz or greater
Input bias current: 700 nA or lower
Input offset voltage: 275 µV or lower
Output current per channel: 50 mA or greater
Operating temperature range: 0°C to 70°C or broader

Substitution Categories:

Category 1: Direct Equivalents (Texas Instruments TLE2142 Series) Parts TLE2142ACD and TLE2142ACDR are variants of the same base product number (TLE2142) with identical electrical specifications. These differ only in packaging format (tube versus reel) and product status. Both maintain full parameter compatibility with the TLE2142ACDG4.

Category 2: Cross-Manufacturer General-Purpose Alternatives (Analog Devices OP292 Series) The OP292GSZ and OP292GSZ-REEL meet the dual-circuit, 8-SOIC package, and general-purpose amplifier classification. These parts operate within the required supply voltage range and deliver the necessary output current. However, they exhibit lower slew rate (4V/µs versus 45V/µs) and lower gain bandwidth product (4 MHz versus 5.9 MHz), making them suitable only for applications where these reduced performance metrics are acceptable.

Category 3: J-FET Input Alternatives (Analog Devices AD8512 Series) The AD8512ARZ, AD8512ARZ-REEL, AD8512BRZ, and AD8512BRZ-REEL represent a different amplifier topology (J-FET input) with superior input bias current characteristics (25 pA versus 700 nA) and extended operating temperature range (-40°C to 125°C). These parts are not direct substitutes due to different amplifier type classification and reduced supply voltage span (10V to 30V maximum versus 44V maximum). Substitution requires verification that the application does not depend on the rail-to-rail output type or the extended high-voltage supply capability of the original part.

Category 4: Audio Amplifier Alternative (Analog Devices OP275 Series) The OP275GSZ is classified as an audio amplifier rather than a general-purpose amplifier. While it shares the 8-SOIC package, dual-circuit configuration, and compatible supply voltage range, its audio-specific design and different electrical characteristics (22V/µs slew rate, 9 MHz gain bandwidth product, 100 nA input bias current) position it outside the general-purpose amplifier category. This part is suitable only for audio-specific applications where the audio amplifier topology is appropriate.

Parameter Comparison

Parameter	TLE2142ACDG4	TLE2142ACD	TLE2142ACDR	OP292GSZ	OP292GSZ-REEL	AD8512ARZ	AD8512ARZ-REEL	AD8512BRZ	AD8512BRZ-REEL	AD8512BRZ-REEL7	OP275GSZ
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	J-FET	J-FET	J-FET	J-FET	J-FET	Audio
Number of Circuits	2	2	2	2	2	2	2	2	2	2	2
Output Type	Rail-to-Rail	Rail-to-Rail	Rail-to-Rail	—	—	—	—	—	—	—	—
Slew Rate (V/µs)	45	45	45	4	4	20	20	20	20	20	22
Gain Bandwidth Product (MHz)	5.9	5.9	5.9	4	4	8	8	8	8	8	9
Current - Input Bias (nA)	700	700	700	375	375	25	25	25	25	25	100
Voltage - Input Offset (µV)	275	275	275	1000	1000	100	100	80	80	80	1000
Current - Supply (mA, x2 Channels)	6.9	6.9	6.9	1	1	2.2	2.2	2.2	2.2	2.2	4
Current - Output / Channel (mA)	50	50	50	10.5	10.5	70	70	70	70	70	90
Voltage - Supply Span Min (V)	4	4	4	4.5	4.5	10	10	10	10	10	9
Voltage - Supply Span Max (V)	44	44	44	33	33	30	30	30	30	30	44
Operating Temperature (°C)	0 to 70	0 to 70	0 to 70	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 85
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
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	Last Time Buy	Last Time Buy	Active	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Tier 1: Direct Equivalents (Recommended for Immediate Substitution)

TLE2142ACD and TLE2142ACDR are the primary substitutes for the TLE2142ACDG4. Both parts are manufactured by Texas Instruments under the same base product number (TLE2142) and deliver identical electrical performance across all specified parameters. TLE2142ACDR carries Active product status, ensuring long-term availability and supply continuity. These parts are suitable for direct replacement in all applications where the TLE2142ACDG4 was originally specified. The only distinction between these alternatives is packaging format: TLE2142ACD is supplied in tube packaging, while TLE2142ACDR is supplied in reel format. Selection between these two should be based on assembly line requirements and inventory management practices.

Tier 2: Cross-Manufacturer General-Purpose Alternatives (Conditional Substitution)

OP292GSZ and OP292GSZ-REEL (Analog Devices) are general-purpose dual-circuit amplifiers in 8-SOIC packages with Active product status. These parts maintain compatibility with the supply voltage range (4.5V to 33V) and deliver the required dual-circuit configuration. However, the slew rate is reduced to 4V/µs (versus 45V/µs) and the gain bandwidth product is reduced to 4 MHz (versus 5.9 MHz). These parts are suitable only for applications where the lower slew rate and bandwidth do not compromise system performance. Applications requiring high-speed signal conditioning, fast transient response, or wideband signal processing should not use these alternatives.

Tier 3: J-FET Input Alternatives (Application-Specific Substitution)

AD8512ARZ, AD8512ARZ-REEL, AD8512BRZ, AD8512BRZ-REEL, and AD8512BRZ-REEL7 (Analog Devices) represent a fundamentally different amplifier topology with J-FET input stages. These parts deliver superior input bias current performance (25 pA versus 700 nA) and extended operating temperature range (-40°C to 125°C). However, they are not direct substitutes due to the following constraints: (1) maximum supply voltage is limited to 30V, making them unsuitable for applications requiring the 44V maximum supply capability of the original part; (2) output type is not specified as rail-to-rail, which may limit output swing in low-supply-voltage applications; (3) amplifier type classification differs (J-FET versus general-purpose). These parts are suitable only for applications where the supply voltage does not exceed 30V, where the J-FET input characteristics provide specific performance advantages, and where the absence of guaranteed rail-to-rail output does not create functional constraints.

Tier 4: Audio Amplifier Alternative (Specialized Application Only)

OP275GSZ (Analog Devices) is classified as an audio amplifier and is not a general-purpose substitute. While it shares the 8-SOIC package, dual-circuit configuration, and compatible supply voltage range (9V to 44V), its audio-specific design makes it unsuitable for general instrumentation, signal conditioning, or non-audio applications. This part is suitable only for audio signal processing applications where the audio amplifier topology is explicitly required.

Compliance and Certification:

All substitute parts listed carry ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, matching the environmental and regulatory status of the TLE2142ACDG4. All parts are classified under ECCN EAR99 and HTSUS 8542.33.0001, maintaining consistency with export control and tariff classification requirements.

Frequently Asked Questions (FAQ)

Q: Can I use TLE2142ACD or TLE2142ACDR as a direct replacement for TLE2142ACDG4?

A: Yes. TLE2142ACD and TLE2142ACDR are direct equivalents manufactured by Texas Instruments under the same base product number. All electrical parameters, package type, and functional specifications are identical to the TLE2142ACDG4. The only differences are packaging format (tube versus reel) and product status. TLE2142ACDR is recommended due to its Active product status, ensuring continued availability.

Q: What is the difference between TLE2142ACD and TLE2142ACDR?

A: Both parts are electrically identical. TLE2142ACD is supplied in tube packaging, while TLE2142ACDR is supplied in reel format. Selection depends on assembly line requirements and inventory management. TLE2142ACDR carries Active product status, while TLE2142ACD is Last Time Buy.

Q: Can I substitute OP292GSZ for TLE2142ACDG4?

A: OP292GSZ is a general-purpose dual-circuit amplifier in an 8-SOIC package with compatible supply voltage range. However, it delivers significantly lower slew rate (4V/µs versus 45V/µs) and lower gain bandwidth product (4 MHz versus 5.9 MHz). Substitution is possible only if the application does not require the higher speed performance of the original part. Applications involving fast transient response, wideband signal processing, or high-frequency compensation should not use this alternative.

Q: Why are AD8512 parts listed as substitutes if they have different supply voltage limits?

A: AD8512 parts (AD8512ARZ, AD8512ARZ-REEL, AD8512BRZ, AD8512BRZ-REEL, AD8512BRZ-REEL7) are listed as alternatives for applications where the supply voltage does not exceed 30V. These J-FET input amplifiers offer superior input bias current characteristics (25 pA versus 700 nA) and extended operating temperature range (-40°C to 125°C). They are not direct substitutes but are suitable for specific applications where these advantages are beneficial and where the reduced maximum supply voltage is not a constraint.

Q: Is OP275GSZ a suitable substitute for TLE2142ACDG4?

A: OP275GSZ is an audio amplifier, not a general-purpose amplifier. While it shares the 8-SOIC package and dual-circuit configuration, its audio-specific design makes it unsuitable for general instrumentation or signal conditioning applications. Use OP275GSZ only in audio signal processing applications where the audio amplifier topology is explicitly required.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts listed (TLE2142ACD, TLE2142ACDR, OP292GSZ, OP292GSZ-REEL, AD8512ARZ, AD8512ARZ-REEL, AD8512BRZ, AD8512BRZ-REEL, AD8512BRZ-REEL7, and OP275GSZ) carry ROHS3 compliance certification, matching the environmental compliance status of the TLE2142ACDG4.

Q: What is the difference between tube and reel packaging?

A: Tube packaging (TLE2142ACD, AD8512ARZ, AD8512BRZ, OP275GSZ) is used for manual handling and lower-volume applications. Reel packaging (TLE2142ACDR, AD8512ARZ-REEL, AD8512BRZ-REEL, AD8512BRZ-REEL7, OP292GSZ-REEL) is used for automated assembly lines and higher-volume production. Both packaging formats contain the same electronic component; selection depends on assembly process requirements.

Q: Can I use multiple substitute parts interchangeably in the same design?

A: No. Each substitute part has different electrical characteristics. Once a specific substitute part is selected and validated for an application, that part number should be used consistently. Mixing different substitute parts in the same design may result in performance variations or functional failures due to differences in slew rate, gain bandwidth product, input bias current, and supply voltage range.

Q: What should I do if my application requires the 44V maximum supply voltage?

A: If your application requires operation at supply voltages above 30V, you must use either TLE2142ACD, TLE2142ACDR, or OP275GSZ. The AD8512 series (all variants) is limited to 30V maximum supply voltage and is not suitable for high-voltage applications. OP292GSZ is limited to 33V maximum supply voltage.

Q: Are there any temperature range considerations when selecting a substitute?

A: Yes. The TLE2142ACDG4 operates from 0°C to 70°C. OP292GSZ, AD8512 series, and OP275GSZ all support extended temperature ranges (-40°C to 125°C, -40°C to 85°C respectively). If your application requires operation below 0°C or above 70°C, select a substitute with the appropriate extended temperature range. If your application operates only within 0°C to 70°C, the extended temperature range of substitute parts provides additional design margin.

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