TLE2064AMDG4 Equivalent & Substitute Parts

Part Overview

The TLE2064AMDG4 is a J-FET input operational amplifier manufactured by Texas Instruments, configured as a 4-circuit integrated circuit in 14-SOIC surface mount packaging. This device is classified as Last Time Buy, indicating discontinued production status. The part operates across a wide supply voltage range of 7V to 36V with low input bias current of 4 pA and is suitable for precision analog signal processing applications requiring low noise and high input impedance characteristics.

Due to Last Time Buy status, equivalent substitute parts with active product status are necessary for ongoing design support and procurement continuity. Substitute selection must maintain compatibility across electrical performance parameters, package dimensions, and mounting specifications.

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	—

Substitute Part Grouping Explanation

Substitution logic for the TLE2064AMDG4 is based on the following critical parameters that determine functional equivalence:

Primary Substitution Criteria:

Amplifier Type: J-FET input configuration for low input bias current performance
Number of Circuits: 4-channel configuration
Package / Case: 14-SOIC form factor with 0.154" (3.90mm) width
Mounting Type: Surface mount compatibility
Supply Voltage Range: Minimum 7V to maximum 36V operational capability
RoHS Compliance: ROHS3 Compliant status

Secondary Performance Parameters:

Slew Rate: 3.4 V/µs or higher acceptable
Gain Bandwidth Product: 2 MHz or higher acceptable
Input Bias Current: 4 pA or lower preferred
Input Offset Voltage: 900 µV or lower preferred
Output Current per Channel: 80 mA or higher acceptable

Substitute parts are grouped into two categories: Direct Equivalents (identical amplifier type and electrical characteristics within tolerance) and Functional Alternatives (different amplifier type but compatible package and supply specifications).

Parameter Comparison

Parameter	TLE2064AMDG4	TLE2064AMDR	LF247DT	LF347D	LF347DT	TL074IYDT	TL084ACDT	TL084AIDT	TL084BIDT
Amplifier Type	J-FET	J-FET	J-FET	J-FET	J-FET	J-FET	J-FET	J-FET	J-FET
Number of Circuits	4	4	4	4	4	4	4	4	4
Slew Rate (V/µs)	3.4	3.4	16	16	16	13	16	16	16
Gain Bandwidth Product (MHz)	2	2	4	3	4	3	4	4	4
Current - Input Bias (pA)	4	4	20	20	20	20	20	20	20
Voltage - Input Offset (µV/mV)	900 µV	900 µV	3 mV	3 mV	3 mV	3 mV	3 mV	3 mV	1 mV
Current - Supply (mA)	1.25	1.25	1.4	1.4	1.4	1.4	1.4	1.4	1.4
Current - Output / Channel (mA)	80	80	40	40	40	40	40	40	40
Voltage - Supply Span Min (V)	7	7	44	44	44	6	6	6	6
Voltage - Supply Span Max (V)	36	36	44	44	44	36	36	36	36
Operating Temperature (°C)	-55 to 125	-55 to 125	-40 to 105	0 to 70	0 to 70	-40 to 105	0 to 70	-40 to 105	-40 to 105
Package / Case	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC
Product Status	Last Time Buy	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

Engineering Selection Recommendations

Tier 1 - Direct Equivalent (Recommended Primary Substitute):

TLE2064AMDR (Texas Instruments) is the direct equivalent substitute. This part maintains identical electrical specifications to the TLE2064AMDG4 across all critical parameters: J-FET amplifier type, 4-circuit configuration, 3.4 V/µs slew rate, 2 MHz gain bandwidth product, 4 pA input bias current, and 900 µV input offset voltage. The only difference is packaging format (Tape & Reel versus Tube). Both parts operate across 7V to 36V supply range and are ROHS3 compliant. Product status is Active, ensuring long-term availability. This substitute provides seamless design compatibility with no performance trade-offs.

Tier 2 - J-FET Functional Alternatives (Enhanced Performance):

The following J-FET operational amplifiers provide enhanced electrical performance while maintaining 14-SOIC package compatibility and surface mount mounting:

TL084BIDT (STMicroelectronics) offers superior slew rate (16 V/µs versus 3.4 V/µs), higher gain bandwidth product (4 MHz versus 2 MHz), and improved input offset voltage (1 mV versus 900 µV). Supply voltage range is 6V to 36V, compatible with the original specification. Operating temperature range is -40°C to 105°C. AEC-Q100 automotive qualification is included. This part is suitable for applications requiring faster transient response.

TL084AIDT (STMicroelectronics) provides identical performance to TL084BIDT with operating temperature range of -40°C to 105°C and AEC-Q100 qualification. Input offset voltage is 3 mV. This variant is appropriate for extended temperature applications.

TL084ACDT (STMicroelectronics) operates across 0°C to 70°C temperature range with identical electrical performance to TL084AIDT. AEC-Q100 qualified. Highest inventory availability (888,600 pcs) among all substitutes.

TL074IYDT (STMicroelectronics) provides 13 V/µs slew rate and 3 MHz gain bandwidth product with -40°C to 105°C operating temperature. Supply range is 6V to 36V. Input bias current is 20 pA and input offset voltage is 3 mV.

LF347DT (STMicroelectronics) offers 16 V/µs slew rate and 4 MHz gain bandwidth product with 0°C to 70°C operating temperature. Supply voltage specification is 44V fixed (not a range). Input bias current is 20 pA.

LF347D (STMicroelectronics) provides identical electrical performance to LF347DT with Tube packaging and 0°C to 70°C operating temperature.

LF247DT (STMicroelectronics) offers 16 V/µs slew rate and 4 MHz gain bandwidth product with -40°C to 105°C operating temperature. Supply voltage specification is 44V fixed. Input bias current is 20 pA.

Tier 3 - General Purpose Alternative (Limited Compatibility):

OP4177ARZ-REEL (Analog Devices Inc.) is a general purpose operational amplifier with different amplifier type classification. This part is included for reference only and represents a functional alternative with significant performance differences: 0.7 V/µs slew rate, 1.3 MHz gain bandwidth product, 500 pA input bias current, and 15 µV input offset voltage. Supply range is 5V to 30V. Moisture sensitivity level is 3 (168 Hours) versus 1 (Unlimited) for other substitutes. This part is suitable only for applications where J-FET input characteristics are not critical.

TS514AIDT (STMicroelectronics) is a general purpose amplifier with 1.5 V/µs slew rate and 3 MHz gain bandwidth product. Input bias current is 50 nA and input offset voltage is 500 µV. Supply range is 6V to 30V. This part is suitable for general purpose applications where low input bias current is not required.

Selection Criteria Summary:

For direct replacement with no design changes: Select TLE2064AMDR
For enhanced performance with faster response: Select TL084BIDT or TL084AIDT
For high-volume applications: Select TL084ACDT (highest inventory)
For extended temperature range: Select TL074IYDT or TL084AIDT
For general purpose applications: Select TS514AIDT or OP4177ARZ-REEL

All recommended substitutes maintain ROHS3 compliance and 14-SOIC package compatibility.

Frequently Asked Questions (FAQ)

Q1: Can TLE2064AMDR be used as a direct drop-in replacement for TLE2064AMDG4?

A: Yes. TLE2064AMDR is electrically identical to TLE2064AMDG4 across all specified parameters. The only difference is packaging format: TLE2064AMDR is supplied in Tape & Reel format while TLE2064AMDG4 is supplied in Tube format. Both parts are 14-SOIC surface mount packages with identical pinout and electrical characteristics. No circuit design changes are required.

Q2: What is the primary reason to substitute the TLE2064AMDG4?

A: TLE2064AMDG4 has Last Time Buy product status, indicating Texas Instruments has discontinued production. Substitution is necessary to ensure long-term design support and procurement continuity. TLE2064AMDR (Active status) provides identical performance with guaranteed future availability.

Q3: Are the LF247DT, LF347D, and LF347DT suitable substitutes?

A: These STMicroelectronics J-FET amplifiers are functionally compatible but offer enhanced electrical performance. They provide higher slew rates (16 V/µs versus 3.4 V/µs) and higher gain bandwidth products (3-4 MHz versus 2 MHz). However, their supply voltage specification is fixed at 44V, which differs from the TLE2064AMDG4 range of 7V to 36V. These parts are suitable only if your application operates at or near 44V supply voltage. Input bias current is higher (20 pA versus 4 pA).

Q4: What is the difference between TL084ACDT, TL084AIDT, and TL084BIDT?

A: All three are STMicroelectronics J-FET amplifiers with identical slew rate (16 V/µs) and gain bandwidth product (4 MHz). Differences are:

TL084ACDT: Operating temperature 0°C to 70°C, input offset voltage 3 mV, highest inventory (888,600 pcs)
TL084AIDT: Operating temperature -40°C to 105°C, input offset voltage 3 mV, lower inventory (5,400 pcs)
TL084BIDT: Operating temperature -40°C to 105°C, input offset voltage 1 mV (superior), lowest inventory (7,520 pcs)

All three are AEC-Q100 automotive qualified. Select based on required operating temperature range and input offset voltage tolerance.

Q5: Can I use OP4177ARZ-REEL or TS514AIDT as substitutes?

A: These are general purpose amplifiers, not J-FET input amplifiers. They have significantly different electrical characteristics: lower slew rates (0.7 V/µs and 1.5 V/µs respectively), lower gain bandwidth products (1.3 MHz and 3 MHz), and higher input bias currents (500 pA and 50 nA). These parts are suitable only for applications where J-FET input characteristics (low input bias current, high input impedance) are not critical. They are not recommended as primary substitutes for the TLE2064AMDG4.

Q6: What does ROHS3 Compliant mean?

A: ROHS3 Compliant indicates the part meets Restriction of Hazardous Substances Directive 3 requirements, restricting use of specific hazardous materials including lead, mercury, cadmium, and certain flame retardants. All recommended substitutes maintain ROHS3 compliance, ensuring regulatory compatibility with the original part.

Q7: What is the significance of Moisture Sensitivity Level (MSL)?

A: MSL indicates the maximum time a component can be exposed to moisture before soldering. TLE2064AMDG4 and most substitutes have MSL 1 (Unlimited), meaning no moisture sensitivity restrictions. OP4177ARZ-REEL has MSL 3 (168 Hours), requiring storage in dry conditions and limiting shelf life after opening. For most applications, MSL 1 parts are preferred.

Q8: Are all substitutes available in 14-SOIC package?

A: Yes. All recommended substitutes are available in 14-SOIC (0.154", 3.90mm Width) surface mount package, ensuring mechanical and electrical compatibility with the original TLE2064AMDG4 footprint. No PCB redesign is required.

Q9: What is the difference between Cut Tape (CT) & Digi-Reel®, Tape & Reel (TR), and Tube packaging?

A: These are supply format differences only, not electrical differences:

Tube: Components supplied in plastic tubes, typically 25-50 pieces per tube. Used for lower-volume applications.
Tape & Reel (TR): Components on continuous tape on reels, typically 500-2500 pieces per reel. Standard for automated assembly.
Cut Tape (CT) & Digi-Reel®: Components on tape cut to customer-specified lengths, flexible quantities. Suitable for mixed-volume orders.

All formats contain identical electrical components. Selection depends on procurement volume and assembly process requirements.

Q10: Which substitute offers the best overall compatibility?

A: TLE2064AMDR offers the best overall compatibility as it is electrically and functionally identical to TLE2064AMDG4 with Active product status. If enhanced performance (higher slew rate, higher bandwidth) is acceptable, TL084BIDT or TL084AIDT are recommended alternatives with superior electrical specifications and AEC-Q100 automotive qualification.

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