TLE2142CDRG4 Equivalent & Substitute Parts

Part Overview

The TLE2142CDRG4 is a general-purpose operational amplifier featuring dual circuits in an 8-SOIC surface-mount package. Manufactured by Texas Instruments, this device provides rail-to-rail output capability with a 5.9 MHz gain-bandwidth product and operates across a 4V to 44V supply range. The part is classified as obsolete, necessitating identification of active equivalent and substitute components for ongoing design requirements and production continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	TLE2142CDRG4
Manufacturer	Texas Instruments
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	45V/µs
Gain Bandwidth Product	5.9 MHz
Current - Input Bias	700 nA
Voltage - Input Offset	290 µV
Current - Supply	6.9mA (x2 Channels)
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	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the TLE2142CDRG4 is determined by the following critical parameters:

Primary Substitution Criteria:

Dual-circuit configuration (2 circuits per package)
8-SOIC surface-mount package with 0.154" (3.90mm) width
Supply voltage range compatibility
Output drive capability (current per channel)
Input bias current and offset voltage characteristics
Operating temperature range requirements

Substitution Logic:

The TLE2142CDR represents the direct manufacturer equivalent, maintaining identical electrical specifications while transitioning from obsolete to active product status. This part serves as the primary replacement for the TLE2142CDRG4.

Analog Devices alternatives are grouped into two categories based on amplifier topology:

General Purpose Amplifiers (ADA4075 series): These devices maintain the general-purpose amplifier classification and provide comparable gain-bandwidth products (6.5 MHz). The ADA4075-2ARZ, ADA4075-2ARZ-R7, and ADA4075-2ARZ-RL variants differ only in packaging configuration (Tube, Cut Tape & Digi-Reel, and Tape & Reel respectively) while maintaining identical electrical performance.

J-FET Amplifiers (AD8512 and ADA4000 series): These alternatives employ J-FET input stages, resulting in significantly lower input bias currents (25 pA and 5 pA respectively) compared to the original 700 nA specification. The AD8512ARZ, AD8512ARZ-REEL, and AD8512ARZ-REEL7 variants provide 8 MHz gain-bandwidth product. The ADA4000-2ARZ, ADA4000-2ARZ-R7, and ADA4000-2ARZ-RL variants provide 5 MHz gain-bandwidth product with ultra-low input bias current (5 pA).

All substitute parts maintain 8-SOIC packaging, surface-mount configuration, dual-circuit topology, and ROHS3 compliance.

Parameter Comparison

Parameter	TLE2142CDRG4	TLE2142CDR	AD8512ARZ	AD8512ARZ-REEL	AD8512ARZ-REEL7	ADA4000-2ARZ	ADA4000-2ARZ-R7	ADA4000-2ARZ-RL	ADA4075-2ARZ	ADA4075-2ARZ-R7	ADA4075-2ARZ-RL
Manufacturer	Texas Instruments	Texas Instruments	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	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	J-FET	J-FET	J-FET	J-FET	General Purpose	General Purpose	General Purpose
Number of Circuits	2	2	2	2	2	2	2	2	2	2	2
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Slew Rate	45V/µs	45V/µs	20V/µs	20V/µs	20V/µs	20V/µs	20V/µs	20V/µs	12V/µs	12V/µs	12V/µs
Gain Bandwidth Product	5.9 MHz	5.9 MHz	8 MHz	8 MHz	8 MHz	5 MHz	5 MHz	5 MHz	6.5 MHz	6.5 MHz	6.5 MHz
Current - Input Bias	700 nA	700 nA	25 pA	25 pA	25 pA	5 pA	5 pA	5 pA	30 nA	30 nA	30 nA
Voltage - Input Offset	290 µV	290 µV	100 µV	100 µV	100 µV	200 µV	200 µV	200 µV	200 µV	200 µV	200 µV
Current - Supply	6.9mA (x2 Channels)	6.9mA (x2 Channels)	2.2mA (x2 Channels)	2.2mA (x2 Channels)	2.2mA (x2 Channels)	1.35mA (x2 Channels)	1.35mA (x2 Channels)	1.35mA (x2 Channels)	1.8mA (x2 Channels)	1.8mA (x2 Channels)	1.8mA (x2 Channels)
Current - Output / Channel	50 mA	50 mA	70 mA	70 mA	70 mA	28 mA	28 mA	28 mA	40 mA	40 mA	40 mA
Voltage - Supply Span (Min)	4 V	4 V	10 V	10 V	10 V	8 V	8 V	8 V	9 V	9 V	9 V
Voltage - Supply Span (Max)	44 V	44 V	30 V	30 V	30 V	36 V	36 V	36 V	36 V	36 V	36 V
Operating Temperature	0°C ~ 70°C	0°C ~ 70°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Product Status	Obsolete	Active	Active	Active	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	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Recommendation: TLE2142CDR

The TLE2142CDR is the manufacturer-recommended direct equivalent. This part maintains identical electrical specifications to the TLE2142CDRG4 while offering active product status, ensuring long-term availability and supply chain continuity. The transition from obsolete to active status makes this the preferred selection for new designs and production continuity. Both parts are ROHS3 compliant with MSL 1 rating.

Secondary Recommendations: ADA4075 Series (ADA4075-2ARZ, ADA4075-2ARZ-R7, ADA4075-2ARZ-RL)

The ADA4075 series maintains general-purpose amplifier classification and provides comparable gain-bandwidth product (6.5 MHz versus 5.9 MHz). These devices offer extended operating temperature range (-40°C to 125°C), reduced supply current (1.8mA versus 6.9mA), and significantly lower input bias current (30 nA versus 700 nA). All variants are active products with ROHS3 compliance and MSL 1 rating. Selection among ADA4075-2ARZ, ADA4075-2ARZ-R7, and ADA4075-2ARZ-RL depends on packaging requirements (Tube, Cut Tape & Digi-Reel, or Tape & Reel).

Tertiary Recommendations: AD8512 and ADA4000 Series

The AD8512 series (AD8512ARZ, AD8512ARZ-REEL, AD8512ARZ-REEL7) and ADA4000 series (ADA4000-2ARZ, ADA4000-2ARZ-R7, ADA4000-2ARZ-RL) employ J-FET input stages, providing ultra-low input bias currents (25 pA and 5 pA respectively). These alternatives are suitable for applications requiring minimal input bias current. However, these devices feature reduced maximum supply voltage (30V and 36V respectively versus 44V), lower slew rates (20V/µs versus 45V/µs), and reduced output current capability. All variants are active products with ROHS3 compliance and MSL 1 rating.

All substitute parts maintain 8-SOIC surface-mount packaging, dual-circuit configuration, and regulatory compliance with the original device.

Frequently Asked Questions (FAQ)

Q: Can the TLE2142CDR be used as a direct replacement for the TLE2142CDRG4?

A: Yes. The TLE2142CDR is the manufacturer-recommended equivalent with identical electrical specifications. The primary difference is product status transition from obsolete to active. Both parts maintain the same 8-SOIC package, dual-circuit configuration, and electrical performance characteristics.

Q: What are the key differences between the TLE2142CDRG4 and the ADA4075-2ARZ?

A: Both devices are general-purpose dual-circuit amplifiers in 8-SOIC packages. The ADA4075-2ARZ offers extended operating temperature range (-40°C to 125°C versus 0°C to 70°C), lower supply current (1.8mA versus 6.9mA), and lower input bias current (30 nA versus 700 nA). The TLE2142CDRG4 provides higher slew rate (45V/µs versus 12V/µs) and wider supply voltage range (4V to 44V versus 9V to 36V).

Q: When should I select a J-FET amplifier alternative instead of a general-purpose amplifier?

A: J-FET amplifier alternatives (AD8512 and ADA4000 series) are selected when applications require ultra-low input bias current. The AD8512 series provides 25 pA input bias current, and the ADA4000 series provides 5 pA input bias current, compared to 700 nA in the original device. These alternatives are suitable for high-impedance signal sources and precision measurement applications where input bias current effects must be minimized.

Q: Are all substitute parts available in multiple packaging configurations?

A: The ADA4075 series is available in three packaging configurations: Tube (ADA4075-2ARZ), Cut Tape & Digi-Reel (ADA4075-2ARZ-R7), and Tape & Reel (ADA4075-2ARZ-RL). The AD8512 series is available as Tube (AD8512ARZ), Cut Tape & Digi-Reel (AD8512ARZ-REEL), and Cut Tape & Digi-Reel (AD8512ARZ-REEL7). The ADA4000 series is available as Tube (ADA4000-2ARZ), Cut Tape & Digi-Reel (ADA4000-2ARZ-R7), and standard packaging (ADA4000-2ARZ-RL). Selection depends on procurement and assembly requirements.

Q: What is the maximum supply voltage for each substitute part?

A: The TLE2142CDRG4 and TLE2142CDR support 44V maximum supply voltage. The ADA4075 series and ADA4000 series support 36V maximum supply voltage. The AD8512 series supports 30V maximum supply voltage. Applications requiring supply voltages above 36V must use the TLE2142CDR.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts, including TLE2142CDR, AD8512 series, ADA4000 series, and ADA4075 series, are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level rating.

Q: What is the output current capability difference between alternatives?

A: The TLE2142CDRG4 provides 50 mA per channel output current. The AD8512 series provides 70 mA per channel. The ADA4075 series provides 40 mA per channel. The ADA4000 series provides 28 mA per channel. Applications requiring higher output current should select the AD8512 series.

Q: Can I use the ADA4075-2ARZ in applications with supply voltages below 9V?

A: No. The ADA4075 series requires minimum 9V supply voltage. The TLE2142CDR supports supply voltages as low as 4V and is the appropriate selection for low-voltage applications.

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