TLE2064MDG4 Equivalent & Substitute Parts

Part Overview

The TLE2064MDG4 is a J-FET input operational amplifier integrated circuit manufactured by Texas Instruments, configured as a 4-circuit device in a 14-SOIC surface mount package. This component is classified as a Last Time Buy product, indicating discontinued production status. The TLE2064MDG4 operates across a wide supply voltage range of 7V to 36V and maintains performance across industrial temperature ranges from -55°C to 125°C. Identification of equivalent and substitute parts is necessary due to the Last Time Buy status, which restricts future availability and requires design alternatives for ongoing production requirements.

Key Parameters

Parameter	Value	Unit
Amplifier Type	J-FET	—
Number of Circuits	4	—
Slew Rate	3.4	V/µs
Gain Bandwidth Product	2	MHz
Current - Input Bias	4	pA
Voltage - Input Offset	900	µV
Current - Supply (x4 Channels)	1.25	mA
Current - Output / Channel	80	mA
Voltage - Supply Span (Min)	7	V
Voltage - Supply Span (Max)	36	V
Operating Temperature	-55 to 125	°C
Package / Case	14-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the TLE2064MDG4 is determined by alignment across the following critical parameters: amplifier type (J-FET), number of circuits (4), package configuration (14-SOIC), mounting type (surface mount), and electrical performance specifications including slew rate, gain bandwidth product, input bias current, input offset voltage, supply current, output current capability, and supply voltage range.

Substitute parts are grouped into two categories:

Category 1: Direct Functional Equivalents (J-FET Amplifiers) Parts that maintain J-FET amplifier topology with 4 circuits in 14-SOIC packaging. These substitutes provide comparable or enhanced electrical performance while maintaining compatibility with existing circuit designs. Substitutes in this category include TLE2064MDR, LF247DT, LF347D, LF347DT, TL074IYDT, TL084ACDT, and TL084AIDT.

Category 2: Functional Alternatives (General Purpose Amplifiers) Parts that employ general purpose amplifier topology with 4 circuits in 14-SOIC packaging. These substitutes provide reduced input bias current and alternative performance characteristics suitable for applications where J-FET input characteristics are not mandatory. Substitutes in this category include LM2902EDR2G, OP4177ARZ-REEL, and SC2902DG.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (µV)	Supply Current (mA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Packaging	Product Status
TLE2064MDG4	Texas Instruments	J-FET	3.4	2	4	900	1.25	80	7	36	-55 to 125	Tube	Last Time Buy
TLE2064MDR	Texas Instruments	J-FET	3.4	2	4	900	1.25	80	7	36	-55 to 125	Tape & Reel	Active
LF247DT	STMicroelectronics	J-FET	16	4	20	3000	1.4	40	44	44	-40 to 105	Tape & Reel	Active
LF347D	STMicroelectronics	J-FET	16	3	20	3000	1.4	40	44	44	0 to 70	Tube	Active
LF347DT	STMicroelectronics	J-FET	16	4	20	3000	1.4	40	44	44	0 to 70	Cut Tape & Digi-Reel	Active
TL074IYDT	STMicroelectronics	J-FET	13	3	20	3000	1.4	40	6	36	-40 to 105	Cut Tape & Digi-Reel	Active
TL084ACDT	STMicroelectronics	J-FET	16	4	20	3000	1.4	40	6	36	0 to 70	Cut Tape & Digi-Reel	Active
TL084AIDT	STMicroelectronics	J-FET	16	4	20	3000	1.4	40	6	36	-40 to 105	Cut Tape & Digi-Reel	Active
LM2902EDR2G	onsemi	General Purpose	—	—	90000	2000	—	40	3	32	-40 to 105	Tape & Reel	Active
OP4177ARZ-REEL	Analog Devices Inc.	General Purpose	0.7	1.3	500	15	0.4	10	5	30	-40 to 125	Cut Tape & Digi-Reel	Active
SC2902DG	onsemi	General Purpose	—	—	90000	2000	—	40	3	32	-40 to 105	—	Active

Engineering Selection Recommendations

Primary Substitute: TLE2064MDR The TLE2064MDR is the manufacturer-recommended direct substitute for the TLE2064MDG4. Both parts are manufactured by Texas Instruments and share identical electrical specifications across all measured parameters. The TLE2064MDR maintains J-FET amplifier topology, 4-circuit configuration, and equivalent performance characteristics. The primary distinction is packaging format: TLE2064MDR is supplied in Tape & Reel format versus Tube format for the TLE2064MDG4. The TLE2064MDR holds Active product status, ensuring continued availability and supply chain stability. This substitute is suitable for direct replacement in new designs and production transitions.

Secondary Substitutes: J-FET Amplifiers (STMicroelectronics) The LF247DT, LF347D, LF347DT, TL074IYDT, TL084ACDT, and TL084AIDT are J-FET amplifier alternatives manufactured by STMicroelectronics. These parts maintain J-FET input topology and 4-circuit configuration in 14-SOIC packaging. All secondary substitutes demonstrate enhanced slew rate performance (13V/µs to 16V/µs versus 3.4V/µs) and higher gain bandwidth product (3MHz to 4MHz versus 2MHz). These parts are suitable for applications requiring improved frequency response and slew rate characteristics. The TL084ACDT and TL084AIDT carry AEC-Q100 automotive qualification, appropriate for automotive-grade applications. All secondary J-FET substitutes hold Active product status.

Tertiary Alternatives: General Purpose Amplifiers The LM2902EDR2G, OP4177ARZ-REEL, and SC2902DG employ general purpose amplifier topology rather than J-FET input architecture. These parts are suitable only for applications where J-FET input characteristics are not required. The LM2902EDR2G and SC2902DG provide lower supply voltage minimum (3V versus 7V) and reduced input bias current (90nA versus 4pA). The OP4177ARZ-REEL maintains extended temperature range (-40°C to 125°C) comparable to the TLE2064MDG4. All tertiary alternatives hold Active product status and ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can the TLE2064MDR be used as a direct replacement for the TLE2064MDG4? A: Yes. The TLE2064MDR is the manufacturer-recommended substitute with identical electrical specifications. The only difference is packaging format (Tape & Reel versus Tube). Both parts are RoHS3 compliant with MSL 1 rating.

Q: What is the primary reason to transition from TLE2064MDG4 to an alternative part? A: The TLE2064MDG4 is designated as Last Time Buy, indicating discontinued production. The TLE2064MDR provides identical performance with Active product status, ensuring long-term availability.

Q: Are the STMicroelectronics J-FET alternatives (LF247DT, LF347D, LF347DT, TL074IYDT, TL084ACDT, TL084AIDT) pin-compatible with the TLE2064MDG4? A: Yes. All listed J-FET alternatives are configured in 14-SOIC packaging with identical pinout. Pin compatibility is maintained across all J-FET substitutes.

Q: What are the key electrical differences between the TLE2064MDG4 and the STMicroelectronics J-FET alternatives? A: The STMicroelectronics alternatives provide higher slew rate (13V/µs to 16V/µs versus 3.4V/µs) and higher gain bandwidth product (3MHz to 4MHz versus 2MHz). Input bias current is higher (20pA versus 4pA) and input offset voltage is higher (3mV versus 900µV). Supply voltage range is fixed at 44V for LF247DT, LF347D, and LF347DT, while TL074IYDT, TL084ACDT, and TL084AIDT support 6V to 36V range.

Q: Can general purpose amplifiers (LM2902EDR2G, OP4177ARZ-REEL, SC2902DG) replace the TLE2064MDG4? A: General purpose amplifiers are suitable only for applications where J-FET input characteristics are not required. These parts feature significantly higher input bias current (90nA to 500pA versus 4pA) and are not direct functional equivalents. Use only when circuit design permits alternative input characteristics.

Q: What is the temperature operating range difference between the TLE2064MDG4 and available substitutes? A: The TLE2064MDG4 operates from -55°C to 125°C. The TLE2064MDR maintains this range. STMicroelectronics J-FET alternatives operate from -40°C to 105°C (TL074IYDT, TL084AIDT) or 0°C to 70°C (LF347D, LF347DT, TL084ACDT). The OP4177ARZ-REEL maintains -40°C to 125°C range. Verify temperature requirements for your application.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitute parts are RoHS3 compliant. Moisture sensitivity level is MSL 1 (Unlimited) for all parts except OP4177ARZ-REEL, which is MSL 3 (168 Hours).

Q: What packaging options are available for the TLE2064MDR? A: The TLE2064MDR is supplied in Tape & Reel (TR) format. For alternative packaging formats, the LF347D is available in Tube format, and multiple alternatives are available in Cut Tape & Digi-Reel format.

Q: Do any substitute parts carry automotive qualification? A: Yes. The TL084ACDT and TL084AIDT carry AEC-Q100 automotive qualification and are graded for automotive applications. These parts are suitable for automotive-grade circuit designs.

Q: What is the output current capability difference between the TLE2064MDG4 and substitutes? A: The TLE2064MDG4 provides 80mA output current per channel. Most J-FET substitutes provide 40mA per channel. General purpose alternatives also provide 40mA per channel. Verify output current requirements for your application.

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