TL062IDRG4 Equivalent & Substitute Parts

Part Overview

The TL062IDRG4 is a J-FET input operational amplifier featuring dual circuits in an 8-SOIC surface mount package, manufactured by Texas Instruments. This device is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design support and procurement continuity. The TL062IDRG4 operates across a supply voltage range of 10V to 30V with a slew rate of 3.5V/µs and gain bandwidth product of 1 MHz, making it suitable for precision analog signal processing applications requiring low input bias current characteristics.

Key Parameters

Parameter	Value	Unit
Amplifier Type	J-FET	—
Number of Circuits	2	—
Slew Rate	3.5	V/µs
Gain Bandwidth Product	1	MHz
Current - Input Bias	30	pA
Voltage - Input Offset	3	mV
Current - Supply (x2 Channels)	200	µA
Current - Output / Channel	20	mA
Voltage - Supply Span (Min)	10	V
Voltage - Supply Span (Max)	30	V
Operating Temperature	-40 to 85	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the TL062IDRG4 are categorized based on strict electrical and mechanical compatibility criteria. The primary substitution logic is determined by the following parameters:

Direct Equivalents (J-FET Amplifier Type): Parts maintaining identical amplifier topology (J-FET input), dual circuit configuration, and compatible electrical specifications within the defined operating ranges. These include TL062IDR, TL062ID, and TL062IDT, which preserve the core J-FET architecture and performance characteristics.

Functional Alternatives (General Purpose Amplifier Type): Parts with general purpose amplifier topology that meet or exceed the electrical performance envelope of the TL062IDRG4 while maintaining the dual circuit configuration and 8-SOIC package format. These alternatives include AS358MTR-G1, LM258WYDT, LM2904QS-13, LM2904WYDT, LM358DT, and LM358WDT. These parts differ in amplifier type but satisfy functional requirements through superior or equivalent electrical parameters.

Enhanced Performance Substitute (J-FET Amplifier Type): The ADA4062-2BRZ represents an upgraded J-FET option with improved specifications including lower input bias current (2 pA versus 30 pA), lower input offset voltage (500 µV versus 3 mV), and extended operating temperature range (-40°C to 125°C versus -40°C to 85°C).

Substitution Criteria:

Dual circuit configuration (2 circuits minimum)
8-SOIC surface mount package
Supply voltage compatibility within specified ranges
Output current capability of 20 mA or greater per channel
Operating temperature range encompassing -40°C to 85°C minimum
ROHS3 compliance and MSL rating of 1 or 3

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (mV)	Supply Current (µA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Status
TL062IDRG4	Texas Instruments	J-FET	3.5	1	30	3	200	20	10	30	-40 to 85	Obsolete
TL062IDR	Texas Instruments	J-FET	3.5	1	30	3	200	20	10	30	-40 to 85	Active
TL062ID	STMicroelectronics	J-FET	3.5	1	30	3	200	20	6	36	-40 to 105	Active
TL062IDT	STMicroelectronics	J-FET	3.5	1	30	3	200	20	6	36	-40 to 105	Active
ADA4062-2BRZ	Analog Devices Inc.	J-FET	3.3	1.4	2	0.5	165	20	8	36	-40 to 125	Active
AS358MTR-G1	Diodes Incorporated	General Purpose	—	—	20000	2	700	40	3	36	-40 to 85	Active
LM258WYDT	STMicroelectronics	General Purpose	0.6	1.1	20000	2	700	60	3	30	-40 to 105	Active
LM2904QS-13	Diodes Incorporated	General Purpose	0.3	0.7	20000	2	700	40	2	36	-40 to 125	Active
LM2904WYDT	STMicroelectronics	General Purpose	0.6	1.1	20000	2	700	40	3	30	-40 to 125	Active
LM358DT	Rohm Semiconductor	General Purpose	0.3	0.8	20000	1	600	30	3	32	-40 to 85	Obsolete
LM358WDT	STMicroelectronics	General Purpose	0.6	1.1	20000	2	700	40	3	30	0 to 70	Active

Engineering Selection Recommendations

Primary Recommendation - Direct Equivalent: TL062IDR (Texas Instruments) is the manufacturer-recommended direct equivalent, maintaining identical electrical specifications and J-FET topology while offering active product status and improved availability (17,700 units in stock). This part is suitable for direct substitution in existing designs without circuit modification.

Secondary Recommendation - Enhanced J-FET Option: TL062ID or TL062IDT (STMicroelectronics) provide extended supply voltage range (6V to 36V) and operating temperature range (-40°C to 105°C) compared to the original specification, with active product status. These parts are electrically compatible and offer improved performance margins for applications requiring extended operating conditions.

Tertiary Recommendation - Premium J-FET Upgrade: ADA4062-2BRZ (Analog Devices Inc.) represents an enhanced J-FET solution with superior input bias current (2 pA), lower input offset voltage (500 µV), higher gain bandwidth product (1.4 MHz), and extended temperature range (-40°C to 125°C). This part is suitable for applications requiring improved precision and wider operating temperature envelope, though circuit validation is recommended due to enhanced performance characteristics.

General Purpose Alternatives: AS358MTR-G1, LM258WYDT, LM2904QS-13, LM2904WYDT, LM358WDT are functionally compatible general purpose amplifiers with dual circuits in 8-SOIC packages. These alternatives provide higher output current capability (40-60 mA) and extended supply voltage ranges. Selection among these options depends on specific application requirements for slew rate, gain bandwidth product, and operating temperature range. All recommended general purpose alternatives carry active product status and ROHS3 compliance.

Obsolete Parts to Avoid: LM358DT (Rohm Semiconductor) carries obsolete product status and should not be selected for new designs despite high inventory availability.

Frequently Asked Questions (FAQ)

Q: Can TL062IDR be used as a direct replacement for TL062IDRG4?

A: Yes. TL062IDR is the manufacturer-recommended equivalent with identical electrical specifications, J-FET amplifier topology, dual circuit configuration, and 8-SOIC package. The primary difference is product status (active versus obsolete) and packaging format (Cut Tape & Digi-Reel versus standard packaging). No circuit modifications are required.

Q: What is the difference between J-FET and General Purpose amplifier types in the substitute list?

A: J-FET amplifiers (TL062IDR, TL062ID, TL062IDT, ADA4062-2BRZ) feature J-FET input stages, providing extremely low input bias current (2-30 pA range) and high input impedance. General Purpose amplifiers (AS358MTR-G1, LM258WYDT, LM2904QS-13, LM2904WYDT, LM358WDT) use bipolar input stages with higher input bias current (20 nA range) but offer higher output current capability and lower supply current consumption. Selection depends on application requirements for input impedance and bias current characteristics.

Q: Are all substitute parts compatible with the original 8-SOIC package footprint?

A: Yes. All listed substitute parts utilize the 8-SOIC (0.154", 3.90mm Width) surface mount package, ensuring mechanical and footprint compatibility. However, LM2904QS-13 specifies 8-SO package designation; verify with supplier documentation that pin configuration matches 8-SOIC standard before PCB layout finalization.

Q: Which substitute offers the widest supply voltage range?

A: ADA4062-2BRZ, TL062ID, TL062IDT, and LM2904QS-13 all support 8V to 36V supply range, compared to the original TL062IDRG4 specification of 10V to 30V. This extended range provides greater design flexibility for applications with variable supply voltages.

Q: What is the significance of product status (Active versus Obsolete)?

A: Active status indicates ongoing manufacturing and supplier support with predictable long-term availability. Obsolete status indicates discontinued production; parts may be available from inventory but future procurement cannot be guaranteed. For new designs, active status parts are recommended. For legacy system support, obsolete parts may be acceptable if inventory is confirmed available.

Q: Do all substitute parts carry ROHS3 compliance?

A: Yes. All listed substitute parts carry ROHS3 compliance certification, meeting environmental and hazardous substance restrictions. Moisture Sensitivity Level (MSL) ratings are either 1 (Unlimited) or 3 (168 Hours), indicating standard handling requirements for surface mount assembly processes.

Q: Which substitute provides the lowest input offset voltage?

A: ADA4062-2BRZ offers the lowest input offset voltage at 500 µV, compared to 3 mV for the original TL062IDRG4 and 2 mV for general purpose alternatives. This enhanced precision is suitable for applications requiring minimal DC offset drift.

Q: Can general purpose amplifiers replace J-FET amplifiers in all applications?

A: General purpose amplifiers can replace J-FET amplifiers only when application requirements do not mandate the extremely low input bias current characteristic of J-FET devices. Applications sensitive to input bias current (such as high-impedance transducer interfaces or precision integrators) require J-FET topology. General purpose alternatives are suitable for standard signal conditioning, filtering, and buffering applications where input bias current is not a critical parameter.

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