Request Quote
(Ships tomorrow)
TLE2142ACDR Equivalent & Substitute Parts
Part Overview
The TLE2142ACDR 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 high output swing. The part is currently in active production status with 1,355 units in stock inventory.
Substitute parts are identified when equivalent electrical performance can be achieved within the constraints of the 8-SOIC package format and compatible operating temperature ranges. Substitution becomes necessary when the primary part reaches end-of-life status, experiences supply constraints, or when alternative performance characteristics better suit specific application requirements.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Texas Instruments | — |
| Part Number | TLE2142ACDR | — |
| Category | Linear, Amplifiers | — |
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| Output Type | Rail-to-Rail | — |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| 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 (x2 Channels) | mA |
| Current - Output / Channel | 50 | mA |
| Voltage - Supply Span (Min) | 4 | V |
| Voltage - Supply Span (Max) | 44 | V |
| Operating Temperature | 0°C ~ 70°C | — |
| Product Status | Active | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the TLE2142ACDR are identified based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:
Package Compatibility: All substitute parts must use the 8-SOIC (0.154", 3.90mm Width) surface-mount package to ensure direct PCB footprint compatibility without layout modifications.
Circuit Configuration: All substitutes feature dual-circuit (2-circuit) operational amplifier configurations matching the TLE2142ACDR topology.
Supply Voltage Range: Substitute parts must operate within overlapping supply voltage windows. The TLE2142ACDR operates from 4V to 44V. Substitutes with minimum supply requirements of 9V to 10V and maximum ratings of 30V to 36V represent acceptable alternatives for applications operating within these narrower ranges.
Output Characteristics: While the TLE2142ACDR features rail-to-rail output, substitute parts with standard output types remain functionally compatible in most general-purpose amplifier applications.
Temperature Operating Range: The TLE2142ACDR operates from 0°C to 70°C. Substitutes with extended temperature ranges (-40°C to 125°C or -55°C to 125°C) provide enhanced reliability in wider environmental conditions while remaining backward-compatible with the base temperature specification.
Amplifier Type Variations: Substitutes include general-purpose, J-FET, and voltage-feedback topologies. Each topology offers distinct input bias current, offset voltage, and slew rate characteristics suitable for different circuit requirements while maintaining functional equivalence in dual-channel configurations.
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Slew Rate (V/µs) | GBW (MHz) | Input Bias (nA/pA) | Input Offset (µV) | Supply Min (V) | Supply Max (V) | Output Current (mA) | Temp Range (°C) | Package |
|---|---|---|---|---|---|---|---|---|---|---|---|
| TLE2142ACDR | Texas Instruments | General Purpose | 45 | 5.9 | 700 nA | 275 | 4 | 44 | 50 | 0 ~ 70 | 8-SOIC |
| AD712JRZ | Analog Devices Inc. | J-FET | 20 | 4 | 25 pA | 300 | 9 | 36 | 25 | 0 ~ 70 | 8-SOIC |
| AD712JRZ-REEL7 | Analog Devices Inc. | J-FET | 20 | 4 | 25 pA | 300 | 9 | 36 | 25 | 0 ~ 70 | 8-SOIC |
| AD712KRZ | Analog Devices Inc. | J-FET | 20 | 4 | 25 pA | 300 | 9 | 36 | 25 | 0 ~ 70 | 8-SOIC |
| AD712TRZ-EP | Analog Devices Inc. | J-FET | 20 | 3 | 25 pA | 300 | 9 | 36 | 25 | -55 ~ 125 | 8-SOIC |
| AD712TRZ-EP-R7 | Analog Devices Inc. | J-FET | 20 | 3 | 25 pA | 300 | 9 | 36 | 25 | -55 ~ 125 | 8-SOIC |
| AD8512ARZ-REEL | Analog Devices Inc. | J-FET | 20 | 8 | 25 pA | 100 | 10 | 30 | 70 | -40 ~ 125 | 8-SOIC |
| AD8512BRZ | Analog Devices Inc. | J-FET | 20 | 8 | 25 pA | 80 | 10 | 30 | 70 | -40 ~ 125 | 8-SOIC |
| AD8512BRZ-REEL7 | Analog Devices Inc. | J-FET | 20 | 8 | 25 pA | 80 | 10 | 30 | 70 | -40 ~ 125 | 8-SOIC |
| ADA4075-2ARZ | Analog Devices Inc. | General Purpose | 12 | 6.5 | 30 nA | 200 | 9 | 36 | 40 | -40 ~ 125 | 8-SOIC |
| LT1352CS8#PBF | Analog Devices Inc. | Voltage Feedback | 200 | 3 | 20 nA | 200 | 5 | 30 | 14 | -40 ~ 85 | 8-SOIC |
Engineering Selection Recommendations
For Direct Replacement (Identical Temperature Range):
The AD712JRZ, AD712JRZ-REEL7, and AD712KRZ variants provide J-FET input topology with the same 0°C to 70°C operating temperature range as the TLE2142ACDR. These parts maintain 8-SOIC package compatibility and dual-circuit configuration. Selection among these three variants depends on packaging requirements: tube packaging (AD712JRZ, AD712KRZ) or cut tape with Digi-Reel (AD712JRZ-REEL7). All three variants are ROHS3 compliant with MSL 1 rating.
For Extended Temperature Applications:
The AD712TRZ-EP and AD712TRZ-EP-R7 extend the operating temperature range to -55°C to 125°C while maintaining J-FET input characteristics and 8-SOIC packaging. These variants support applications requiring enhanced thermal performance. Packaging selection follows the same logic: tube (AD712TRZ-EP) or tape and reel (AD712TRZ-EP-R7). Both maintain ROHS3 compliance and MSL 1 rating.
For Enhanced Performance Specifications:
The AD8512ARZ-REEL and AD8512BRZ variants offer higher gain-bandwidth product (8 MHz versus 5.9 MHz) and superior input offset voltage (80-100 µV versus 275 µV). These J-FET input amplifiers operate across -40°C to 125°C temperature range with 8-SOIC packaging. The AD8512BRZ-REEL7 variant provides identical electrical specifications with cut tape and Digi-Reel packaging. All variants maintain ROHS3 compliance and MSL 1 rating. Supply voltage range is restricted to 10V to 30V, requiring verification against application requirements.
For General-Purpose Applications with Low Input Bias Current:
The ADA4075-2ARZ (iPolar® series) provides general-purpose amplification with significantly reduced input bias current (30 nA versus 700 nA) and improved input offset voltage (200 µV). Operating range spans -40°C to 125°C with 8-SOIC packaging. Supply voltage range is 9V to 36V. ROHS3 compliance and MSL 1 rating are maintained.
For High-Speed Applications:
The LT1352CS8#PBF voltage-feedback amplifier delivers exceptional slew rate (200 V/µs) suitable for high-frequency signal processing. Operating temperature range is -40°C to 85°C with 8-SOIC packaging. Supply voltage range is 5V to 30V. Output current per channel is limited to 14 mA. ROHS3 compliance and MSL 1 rating apply. This variant is appropriate only when high-speed performance justifies the reduced output current capability.
All substitute parts maintain ROHS3 compliance, MSL 1 (unlimited) moisture sensitivity rating, and REACH unaffected status, ensuring regulatory compatibility with the original TLE2142ACDR specification.
Frequently Asked Questions (FAQ)
Q: Can I directly replace TLE2142ACDR with AD712JRZ without PCB modifications?
A: Yes. Both parts use identical 8-SOIC (0.154", 3.90mm Width) surface-mount packaging with matching pin configurations for dual operational amplifiers. No PCB layout changes are required. However, verify that your application's supply voltage range (9V to 36V for AD712JRZ) overlaps with your system requirements, as the AD712JRZ has a higher minimum supply voltage (9V) compared to the TLE2142ACDR (4V minimum).
Q: What is the key difference between AD712 variants (JRZ, KRZ, TRZ-EP)?
A: The primary differences are temperature rating and packaging format. AD712JRZ and AD712KRZ operate from 0°C to 70°C in tube packaging. AD712TRZ-EP extends the temperature range to -55°C to 125°C, also in tube packaging. AD712JRZ-REEL7 and AD712TRZ-EP-R7 provide identical electrical specifications with cut tape and Digi-Reel packaging. Select based on your application's temperature requirements and manufacturing process (tube versus reel).
Q: Why does the LT1352CS8#PBF have lower output current (14 mA) than the TLE2142ACDR (50 mA)?
A: The LT1352CS8#PBF is optimized for high-speed voltage-feedback amplification with 200 V/µs slew rate, prioritizing bandwidth and transient response over output current capability. This topology trades output current for speed. Use this part only in applications where high-frequency performance is critical and output current requirements do not exceed 14 mA per channel.
Q: Can I use AD8512BRZ in a circuit designed for 4V to 44V supply range?
A: No. The AD8512BRZ operates only within 10V to 30V supply range. If your application requires operation below 10V or above 30V, the AD8512BRZ is not suitable. Verify your actual supply voltage requirements before substitution. The TLE2142ACDR, AD712 series, and ADA4075-2ARZ support broader voltage ranges and may be more appropriate.
Q: What does "REEL7" or "REEL" designation mean in part numbers?
A: These designations indicate packaging format for manufacturing automation. "REEL7" and "REEL" refer to cut tape with Digi-Reel packaging, suitable for pick-and-place assembly equipment. Parts without these suffixes (JRZ, KRZ, TRZ-EP) are supplied in tube packaging for manual or alternative assembly processes. Electrical specifications are identical; selection depends on your manufacturing process requirements.
Q: Is the ADA4075-2ARZ suitable as a direct replacement for low-noise applications?
A: The ADA4075-2ARZ offers significantly lower input bias current (30 nA versus 700 nA) and comparable input offset voltage (200 µV), making it suitable for applications sensitive to input bias current effects. However, it provides lower slew rate (12 V/µs versus 45 V/µs) and operates within 9V to 36V supply range. Evaluate whether the reduced input bias current benefit justifies the lower slew rate for your specific application.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All substitute parts listed maintain ROHS3 compliance and MSL 1 (unlimited) moisture sensitivity rating, matching the regulatory status of the TLE2142ACDR. All parts are REACH unaffected, ensuring compliance with environmental and hazardous substance regulations.
Q: What is the difference between J-FET and general-purpose amplifier types?
A: J-FET input amplifiers (AD712, AD8512 series) feature extremely low input bias current (25 pA) due to junction field-effect transistor input stages, making them ideal for high-impedance signal sources. General-purpose amplifiers (TLE2142ACDR, ADA4075-2ARZ) use bipolar input stages with higher input bias current but often provide better offset voltage stability and lower noise. Select based on your input impedance and bias current sensitivity requirements.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts