TLE2064MDR Equivalent & Substitute Parts

Part Overview

The TLE2064MDR is a J-FET input operational amplifier manufactured by Texas Instruments, configured as a 4-circuit device in 14-SOIC surface mount packaging. This component is classified as Active product status and is RoHS3 compliant. The TLE2064MDR is utilized in applications requiring low input bias current and low input offset voltage characteristics inherent to J-FET amplifier designs. Substitute parts are identified when equivalent electrical performance parameters and mechanical compatibility are maintained within specified tolerances.

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

Substitute parts for the TLE2064MDR are identified based on strict alignment with the following critical parameters:

Primary Substitution Criteria:

Amplifier Type: J-FET configuration
Number of Circuits: 4 circuits per package
Package / Case: 14-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant

Secondary Compatibility Parameters:

Slew Rate: Minimum 3.4 V/µs
Gain Bandwidth Product: Minimum 2 MHz
Current - Input Bias: Maximum 4 pA
Voltage - Input Offset: Maximum 900 µV
Current - Output / Channel: Minimum 80 mA
Voltage - Supply Span: Minimum 7 V to Maximum 36 V
Operating Temperature: Coverage of -55°C to 125°C range

Parts are grouped into two categories: Direct J-FET Substitutes (matching amplifier type) and General Purpose Alternatives (different amplifier type but compatible package and electrical envelope).

Parameter Comparison

Parameter	TLE2064MDR	LF247DT	LF347DT	TL074IYDT	TL084ACDT	TL084AIDT	TL084BIDT
Manufacturer	Texas Instruments	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Amplifier Type	J-FET	J-FET	J-FET	J-FET	J-FET	J-FET	J-FET
Number of Circuits	4	4	4	4	4	4	4
Slew Rate (V/µs)	3.4	16	16	13	16	16	16
Gain Bandwidth Product (MHz)	2	4	4	3	4	4	4
Current - Input Bias (pA)	4	20	20	20	20	20	20
Voltage - Input Offset (µV)	900	3000	3000	3000	3000	3000	1000
Current - Supply (mA x4)	1.25	1.4	1.4	1.4	1.4	1.4	1.4
Current - Output / Channel (mA)	80	40	40	40	40	40	40
Voltage - Supply Span (V)	7 to 36	44 to 44	44 to 44	6 to 36	6 to 36	6 to 36	6 to 36
Operating Temperature (°C)	-55 to 125	-40 to 105	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
RoHS Status	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3
Moisture Sensitivity Level	1	1	1	1	1	1	1

Engineering Selection Recommendations

Direct J-FET Substitutes (Preferred Category):

The following parts maintain J-FET amplifier type classification and are suitable for direct substitution in applications where J-FET input characteristics are required:

TL084ACDT, TL084AIDT, TL084BIDT (STMicroelectronics): These automotive-grade parts (AEC-Q100 qualified) provide enhanced slew rate (16 V/µs) and gain bandwidth product (4 MHz) compared to the TLE2064MDR. Operating temperature range for TL084ACDT is 0°C to 70°C; TL084AIDT and TL084BIDT extend to -40°C to 105°C. Supply voltage range 6 V to 36 V is compatible. Output current per channel is 40 mA (lower than TLE2064MDR's 80 mA). TL084BIDT offers improved input offset voltage specification (1 mV vs. 3 mV).

TL074IYDT (STMicroelectronics): Provides slew rate of 13 V/µs and gain bandwidth product of 3 MHz. Operating temperature range -40°C to 105°C. Supply voltage 6 V to 36 V. Input bias current and offset voltage specifications match TL084 series.

LF347DT (STMicroelectronics): Offers slew rate 16 V/µs and gain bandwidth product 4 MHz. Operating temperature range 0°C to 70°C. Supply voltage specification is fixed at 44 V (does not accommodate the full 7 V to 36 V range of TLE2064MDR). Suitable for applications with fixed 44 V supply requirement.

LF247DT (STMicroelectronics): Provides slew rate 16 V/µs and gain bandwidth product 4 MHz. Operating temperature range -40°C to 105°C. Supply voltage specification is fixed at 44 V. Packaging is Tape & Reel (TR).

General Purpose Alternatives (Secondary Category):

LM2902DR2G (onsemi): General Purpose amplifier type with 4 circuits in 14-SOIC package. Gain bandwidth product 1 MHz (lower than TLE2064MDR). Supply voltage range 3 V to 32 V. Input bias current 90 nA (significantly higher than J-FET types). Operating temperature -40°C to 105°C. Suitable only when J-FET input characteristics are not critical.

SC2902DG (onsemi): General Purpose amplifier type. Specifications identical to LM2902DR2G. Inventory limited to 1108 pieces.

OP4177ARZ-REEL (Analog Devices Inc.): General Purpose amplifier type. Gain bandwidth product 1.3 MHz. Supply voltage 5 V to 30 V. Input bias current 500 pA. Moisture Sensitivity Level 3 (168 Hours) differs from TLE2064MDR MSL 1. Operating temperature -40°C to 125°C provides extended low-temperature coverage.

Selection Basis:

Parts are recommended based on: (1) Active product status; (2) RoHS3 compliance; (3) 14-SOIC package compatibility; (4) Surface mount mounting type; (5) Moisture Sensitivity Level 1 (except OP4177ARZ-REEL); (6) Availability of automotive qualification (TL084 series); (7) Operating temperature range coverage; (8) Supply voltage envelope compatibility.

Frequently Asked Questions (FAQ)

Q1: Can TL084ACDT replace TLE2064MDR in all applications?

TL084ACDT is a J-FET substitute with compatible 14-SOIC packaging and surface mount configuration. However, operating temperature range differs: TL084ACDT is rated 0°C to 70°C while TLE2064MDR is -55°C to 125°C. Output current per channel is 40 mA (TL084ACDT) versus 80 mA (TLE2064MDR). Applications requiring full temperature range or higher output current must evaluate alternative substitutes.

Q2: What is the difference between J-FET and General Purpose amplifier types?

J-FET input amplifiers (TLE2064MDR, TL084 series, LF247/LF347) feature extremely low input bias current (4-20 pA range) and are suitable for high-impedance signal sources. General Purpose amplifiers (LM2902, SC2902, OP4177) have higher input bias current (90 nA to 500 pA range) and lower cost. Selection depends on application input impedance requirements.

Q3: Why do LF247DT and LF347DT have fixed 44 V supply specifications?

The provided data indicates Voltage - Supply Span (Min) and (Max) both as 44 V for these parts. This represents a fixed supply voltage requirement, not a range. Applications requiring variable supply voltage (7 V to 36 V as in TLE2064MDR) should select TL074IYDT or TL084 series instead.

Q4: Is OP4177ARZ-REEL suitable as a substitute?

OP4177ARZ-REEL is a General Purpose amplifier (not J-FET type) with different input bias current characteristics (500 pA vs. 4 pA). Moisture Sensitivity Level is 3 (168 Hours) versus MSL 1 (Unlimited) for TLE2064MDR. This part is suitable only when J-FET input performance is not required and MSL 3 handling procedures are acceptable.

Q5: What does AEC-Q100 qualification mean for TL084 series?

AEC-Q100 is an automotive electronics qualification standard. TL084ACDT, TL084AIDT, and TL084BIDT carry this qualification, indicating suitability for automotive applications with enhanced reliability and testing requirements. Non-automotive applications may use these parts without restriction.

Q6: How do slew rate and gain bandwidth product affect substitution?

Slew rate determines the maximum rate of voltage change the amplifier can produce (V/µs). Gain bandwidth product indicates the frequency response capability (MHz). TLE2064MDR has 3.4 V/µs slew rate and 2 MHz bandwidth. Substitutes with higher values (TL084 series: 16 V/µs, 4 MHz) provide improved dynamic performance but may introduce different noise or stability characteristics in specific circuit topologies.

Q7: Can I use LM2902DR2G in place of TLE2064MDR?

LM2902DR2G is mechanically compatible (14-SOIC package, surface mount) but functionally different. It is a General Purpose amplifier with 1 MHz bandwidth versus TLE2064MDR's 2 MHz, and input bias current of 90 nA versus 4 pA. Use only in applications where J-FET input characteristics are not required and lower bandwidth is acceptable.

Q8: What is the significance of Moisture Sensitivity Level (MSL)?

MSL indicates the maximum time a component can be exposed to ambient conditions (typically 30°C, 85% relative humidity) before soldering. MSL 1 (Unlimited) means no time restriction. MSL 3 (168 Hours) requires component use within 168 hours of package opening. TLE2064MDR and most substitutes are MSL 1; OP4177ARZ-REEL is MSL 3, requiring different handling procedures.

Q9: Are all substitute parts available in Tape & Reel packaging?

Packaging formats vary: TLE2064MDR is Tape & Reel (TR); LF247DT is Tape & Reel; LF347DT is Tube; TL084 series and TL074IYDT are Cut Tape (CT) & Digi-Reel®; LM2902DR2G and OP4177ARZ-REEL are Cut Tape & Digi-Reel®; SC2902DG packaging is not specified. Verify packaging compatibility with assembly equipment and procurement requirements.

Q10: Which substitute offers the best overall compatibility with TLE2064MDR?

TL084AIDT provides the closest functional match: J-FET amplifier type, 4 circuits, 14-SOIC package, slew rate 16 V/µs, gain bandwidth product 4 MHz, input bias current 20 pA, supply voltage 6 V to 36 V, operating temperature -40°C to 105°C, AEC-Q100 qualified, MSL 1. The primary limitation is output current per channel (40 mA vs. 80 mA). For applications requiring 80 mA output current, TLE2064MDR remains the specified choice.

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