TLE2142AMDRG4 Equivalent & Substitute Parts

Part Overview

The TLE2142AMDRG4 is a general-purpose operational amplifier manufactured by Texas Instruments, featuring dual circuits in an 8-SOIC surface-mount package. This device is classified as Last Time Buy, indicating discontinued production with limited inventory availability. The TLE2142AMDRG4 delivers rail-to-rail output capability with a slew rate of 45V/µs and gain bandwidth product of 5.9 MHz, suitable for general-purpose amplification applications requiring moderate speed and wide supply voltage range.

Due to Last Time Buy status and limited stock (1105 pcs), identifying equivalent substitute parts is essential for design continuity and long-term component sourcing strategy.

Substiute Parts

TLE2142AMDRG4

Texas InstrumentsIn Stock: 1162TLE2142AMDRG4 Datasheet

Current PartRFQ

TLE2142AMDR

Texas InstrumentsIn Stock: 888687TLE2142AMDR Datasheet

MFR RecommendedRFQ

AD8512BRZ

Analog Devices Inc.In Stock: 1648AD8512BRZ Datasheet

MFR RecommendedRFQ

AD8512BRZ-REEL

Analog Devices Inc.In Stock: 727AD8512BRZ-REEL Datasheet

MFR RecommendedRFQ

AD8512BRZ-REEL7

Analog Devices Inc.In Stock: 29761AD8512BRZ-REEL7 Datasheet

MFR RecommendedRFQ

OP292GSZ

Analog Devices Inc.In Stock: 1646OP292GSZ Datasheet

MFR RecommendedRFQ

OP292GSZ-REEL

Analog Devices Inc.In Stock: 9326OP292GSZ-REEL Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TLE2142AMDRG4 is determined by the following critical parameters:

Primary Substitution Criteria:

• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Mounting Type: Surface Mount
• Number of Circuits: 2
• Amplifier Type: General Purpose (preferred) or J-FET (conditional)
• Output Type: Rail-to-Rail (preferred) or unspecified (acceptable)

Secondary Compatibility Parameters:

• Slew Rate: ≥ 20 V/µs (minimum acceptable performance)
• Gain Bandwidth Product: ≥ 4 MHz (minimum acceptable performance)
• Voltage - Supply Span (Min): ≤ 4 V (must support lower supply range)
• Voltage - Supply Span (Max): ≥ 30 V (must support upper supply range)
• Operating Temperature: Must include -40°C minimum or lower
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Substitute Parts Identified:

1. TLE2142AMDR (Texas Instruments) — Direct manufacturer alternative, Active status, identical electrical specifications, Tape & Reel packaging
2. AD8512BRZ-REEL7 (Analog Devices Inc.) — J-FET amplifier, Active status, higher gain bandwidth product (8 MHz), lower input bias current (25 pA), Cut Tape & Digi-Reel packaging
3. AD8512BRZ-REEL (Analog Devices Inc.) — J-FET amplifier, Active status, identical specifications to AD8512BRZ-REEL7, Tape & Reel packaging
4. AD8512BRZ (Analog Devices Inc.) — J-FET amplifier, Active status, identical specifications to AD8512BRZ-REEL variants, Tube packaging
5. OP292GSZ-REEL (Analog Devices Inc.) — General Purpose amplifier, Active status, lower power consumption (1 mA), Cut Tape & Digi-Reel packaging
6. OP292GSZ (Analog Devices Inc.) — General Purpose amplifier, Active status, identical specifications to OP292GSZ-REEL, Tube packaging

Parameter Comparison

Engineering Selection Recommendations

Tier 1 — Direct Replacement (Recommended):

TLE2142AMDR is the primary substitute for TLE2142AMDRG4. Both parts are manufactured by Texas Instruments with identical electrical specifications, including slew rate (45 V/µs), gain bandwidth product (5.9 MHz), input bias current (700 nA), and supply voltage range (4 V to 44 V). The TLE2142AMDR maintains Active product status with significantly higher inventory availability (888,600 pcs), ensuring long-term supply continuity. Packaging options include Tape & Reel (TR), matching the original part's distribution format. All compliance certifications (ROHS3, MSL 1) are identical.

Tier 2 — Performance-Enhanced Substitutes (Conditional):

AD8512BRZ-REEL7, AD8512BRZ-REEL, and AD8512BRZ are J-FET amplifiers from Analog Devices Inc. with superior input bias current performance (25 pA versus 700 nA) and higher gain bandwidth product (8 MHz versus 5.9 MHz). These parts are suitable for applications requiring lower input bias current or higher frequency response. However, the minimum supply voltage is 10 V (versus 4 V for TLE2142AMDRG4), restricting use in low-voltage applications. Operating temperature range is -40°C to 125°C (versus -55°C to 125°C), limiting operation in extended low-temperature environments. AD8512BRZ-REEL7 offers the highest inventory (29,655 pcs) with Cut Tape & Digi-Reel packaging.

Tier 3 — Low-Power Substitutes (Limited Compatibility):

OP292GSZ-REEL and OP292GSZ are general-purpose amplifiers from Analog Devices Inc. with significantly lower power consumption (1 mA versus 6.9 mA supply current). These parts are suitable only for power-constrained applications where reduced slew rate (4 V/µs versus 45 V/µs) and lower gain bandwidth product (4 MHz versus 5.9 MHz) are acceptable. Output current per channel is limited to 10.5 mA (versus 50 mA), restricting load-driving capability. OP292GSZ-REEL provides higher inventory (9,238 pcs) with Cut Tape & Digi-Reel packaging.

Compliance & Certification:

All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage protocols. All parts are classified as Active products with established supply chains, except the original TLE2142AMDRG4 (Last Time Buy).

Frequently Asked Questions (FAQ)

Q1: Can TLE2142AMDR directly replace TLE2142AMDRG4 without circuit modification?

A: Yes. TLE2142AMDR is a direct functional equivalent with identical electrical specifications across all critical parameters: slew rate (45 V/µs), gain bandwidth product (5.9 MHz), input bias current (700 nA), input offset voltage (275 µV), supply current (6.9 mA per dual channels), output current (50 mA per channel), and supply voltage range (4 V to 44 V). Both parts use the 8-SOIC package with identical pinout. No circuit modifications are required.

Q2: What is the key difference between TLE2142AMDRG4 and AD8512BRZ-REEL7?

A: The primary differences are amplifier topology and supply voltage range. TLE2142AMDRG4 is a general-purpose amplifier with input bias current of 700 nA and operates from 4 V to 44 V. AD8512BRZ-REEL7 is a J-FET amplifier with significantly lower input bias current (25 pA) and operates from 10 V to 30 V. AD8512BRZ-REEL7 offers higher gain bandwidth product (8 MHz versus 5.9 MHz) but lower slew rate (20 V/µs versus 45 V/µs). AD8512BRZ-REEL7 is unsuitable for applications requiring supply voltages below 10 V or above 30 V.

Q3: Is OP292GSZ suitable as a substitute for TLE2142AMDRG4?

A: OP292GSZ is a conditional substitute only for applications where power consumption is the primary design constraint. OP292GSZ offers 85% lower supply current (1 mA versus 6.9 mA) but delivers significantly reduced performance: slew rate is 4 V/µs (versus 45 V/µs), gain bandwidth product is 4 MHz (versus 5.9 MHz), and output current per channel is 10.5 mA (versus 50 mA). OP292GSZ is unsuitable for high-speed or high-current applications. Circuit redesign may be necessary to accommodate these performance limitations.

Q4: What packaging options are available for substitute parts?

A: Substitute parts are available in multiple packaging formats:

• Tape & Reel (TR): TLE2142AMDR, AD8512BRZ-REEL, OP292GSZ-REEL — suitable for automated assembly
• Cut Tape (CT) & Digi-Reel®: AD8512BRZ-REEL7, OP292GSZ-REEL — suitable for mixed-volume production
• Tube: AD8512BRZ, OP292GSZ — suitable for lower-volume or manual assembly

All packaging options use the identical 8-SOIC (0.154", 3.90mm Width) case with standard pinout compatibility.

Q5: Are all substitute parts RoHS3 compliant?

A: Yes. All identified substitute parts (TLE2142AMDR, AD8512BRZ-REEL7, AD8512BRZ-REEL, AD8512BRZ, OP292GSZ-REEL, OP292GSZ) are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. These certifications match the original TLE2142AMDRG4 specifications, ensuring compatibility with standard manufacturing and environmental requirements.

Q6: What is the operating temperature range difference between TLE2142AMDRG4 and substitute parts?

A: TLE2142AMDRG4 operates from -55°C to 125°C. All Analog Devices substitute parts (AD8512 and OP292 series) operate from -40°C to 125°C. The TLE2142AMDR (Texas Instruments) maintains the full -55°C to 125°C range. For applications requiring operation below -40°C, only TLE2142AMDR or TLE2142AMDRG4 are suitable.

Q7: Which substitute part offers the best inventory availability?

A: AD8512BRZ-REEL7 provides the highest inventory level at 29,655 pcs. TLE2142AMDR offers 888,600 pcs, providing the most reliable long-term supply for direct replacement applications. OP292GSZ-REEL provides 9,238 pcs. Original TLE2142AMDRG4 inventory is limited to 1,105 pcs due to Last Time Buy status.