TLE2142AMDR Equivalent & Substitute Parts

Part Overview

The TLE2142AMDR 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 Active product status and is RoHS3 compliant. The TLE2142AMDR is designed for applications requiring rail-to-rail output capability with moderate slew rate and bandwidth characteristics. Substitute parts are identified when equivalent electrical performance, package compatibility, and operating specifications align with application requirements.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	TLE2142AMDR	—
Manufacturer	Texas Instruments	—
Amplifier Type	General Purpose	—
Number of Circuits	2	—
Output Type	Rail-to-Rail	—
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
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	-55 to 125	°C
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the TLE2142AMDR are identified based on strict alignment of the following critical parameters:

Package Compatibility: All substitute parts must use the 8-SOIC (0.154", 3.90mm Width) surface-mount package to ensure direct PCB footprint compatibility.

Circuit Count: All substitutes feature 2 circuits (dual operational amplifiers) matching the TLE2142AMDR configuration.

Electrical Performance Criteria: Substitutes are grouped by amplifier type (General Purpose or J-FET) and must operate within compatible supply voltage ranges. The TLE2142AMDR operates from 4V to 44V; substitutes with narrower supply ranges (such as 9V to 36V or 10V to 30V) are acceptable for applications within those voltage windows.

Operating Temperature Range: The TLE2142AMDR operates from -55°C to 125°C. Substitutes with narrower ranges (0°C to 70°C or -40°C to 125°C) are listed but must be evaluated for specific application temperature requirements.

Compliance & Status: All substitute parts maintain Active product status and RoHS3 compliance, ensuring regulatory alignment and supply continuity.

Parameter Comparison

Parameter	TLE2142AMDR	AD712JRZ	AD712KRZ	AD8512BRZ	ADA4075-2ARZ-R7	OP292GSZ
Amplifier Type	General Purpose	J-FET	J-FET	J-FET	General Purpose	General Purpose
Number of Circuits	2	2	2	2	2	2
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Slew Rate (V/µs)	45	20	20	20	12	4
Gain Bandwidth Product (MHz)	5.9	4	4	8	6.5	4
Current - Input Bias (nA)	700	0.025	0.025	0.025	30	375
Voltage - Input Offset (µV)	275	300	300	80	200	1000
Current - Supply (mA)	6.9	5	5	2.2	1.8	1
Current - Output / Channel (mA)	50	25	25	70	40	10.5
Voltage - Supply Span Min (V)	4	9	9	10	9	4.5
Voltage - Supply Span Max (V)	44	36	36	30	36	33
Operating Temperature (°C)	-55 to 125	0 to 70	0 to 70	-40 to 125	-40 to 125	-40 to 125
RoHS Status	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3

Engineering Selection Recommendations

General Purpose Amplifier Substitutes (Recommended for Direct Replacement):

The ADA4075-2ARZ-R7 and OP292GSZ are general-purpose operational amplifiers matching the TLE2142AMDR amplifier classification. Both maintain Active product status and RoHS3 compliance. The ADA4075-2ARZ-R7 operates across -40°C to 125°C with 6.5 MHz bandwidth, suitable for applications requiring extended temperature performance. The OP292GSZ operates across -40°C to 125°C with 4 MHz bandwidth and lower supply current (1 mA), appropriate for power-constrained applications within the 4.5V to 33V supply range.

J-FET Amplifier Substitutes (Alternative Technology):

The AD712JRZ, AD712KRZ, AD8512BRZ, and related packaging variants represent J-FET input technology with significantly lower input bias current (25 pA versus 700 nA). These devices are suitable for high-impedance input applications. The AD8512BRZ series extends operating temperature to -40°C to 125°C and provides 8 MHz bandwidth with 70 mA output current per channel, exceeding TLE2142AMDR output capability. J-FET substitutes require verification of supply voltage compatibility; AD712 variants operate from 9V to 36V, while AD8512 variants operate from 10V to 30V.

Packaging Variants:

Tube packaging (standard) and Cut Tape & Digi-Reel® packaging variants are available for all substitute parts. Selection depends on procurement and assembly requirements; electrical specifications remain identical across packaging options.

Compliance Verification:

All listed substitute parts maintain RoHS3 compliance, REACH Unaffected status, and MSL 1 (Unlimited) moisture sensitivity rating, ensuring regulatory and supply chain compatibility with the TLE2142AMDR.

Frequently Asked Questions (FAQ)

Q: Can AD712JRZ or AD712KRZ directly replace TLE2142AMDR in all applications?

A: Direct replacement is not universal. AD712 variants feature J-FET input technology with 25 pA input bias current versus 700 nA for TLE2142AMDR, making them suitable for high-impedance applications. However, AD712 variants operate from 9V to 36V supply range, narrower than TLE2142AMDR (4V to 44V). Verify application supply voltage requirements before substitution.

Q: What is the primary difference between AD712KRZ and AD712KRZ-REEL7?

A: Both parts are electrically identical. AD712KRZ is supplied in Tube packaging, while AD712KRZ-REEL7 is supplied in Cut Tape & Digi-Reel® packaging. Selection depends on procurement format and assembly line compatibility; electrical specifications and performance are unchanged.

Q: Is ADA4075-2ARZ-R7 suitable for low-temperature applications below -40°C?

A: No. ADA4075-2ARZ-R7 operates from -40°C to 125°C. The TLE2142AMDR extends to -55°C. For applications requiring operation below -40°C, the TLE2142AMDR must be retained or alternative parts with lower temperature ratings must be evaluated outside this substitute list.

Q: Why does OP292GSZ have lower supply current than TLE2142AMDR?

A: OP292GSZ is optimized for low-power applications with 1 mA supply current per channel versus 6.9 mA for TLE2142AMDR. This reduced current consumption comes with trade-offs: lower slew rate (4 V/µs versus 45 V/µs) and reduced output current per channel (10.5 mA versus 50 mA). Selection depends on application bandwidth and output drive requirements.

Q: Can AD8512BRZ be used in applications requiring 50 mA output current per channel?

A: Yes. AD8512BRZ provides 70 mA output current per channel, exceeding TLE2142AMDR (50 mA). However, AD8512BRZ operates from 10V to 30V supply range. Verify application supply voltage falls within this window before substitution.

Q: Are all substitute parts available in the same 8-SOIC package footprint?

A: Yes. All substitute parts use 8-SOIC (0.154", 3.90mm Width) package, ensuring PCB footprint compatibility with TLE2142AMDR. No layout modifications are required for package substitution.

Q: What is the significance of MSL 1 (Unlimited) rating across all parts?

A: MSL 1 (Unlimited) indicates these components have unlimited shelf life and do not require moisture-controlled storage or baking procedures prior to assembly. This simplifies procurement, inventory management, and manufacturing logistics.

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