TLE2064IDR Equivalent & Substitute Parts

Part Overview

The TLE2064IDR is a J-FET input operational amplifier manufactured by Texas Instruments, configured as a 4-circuit device in a 14-SOIC surface mount package. This device is classified as Active product status and is RoHS3 compliant. The TLE2064IDR serves applications requiring low input bias current and low input offset voltage characteristics inherent to J-FET amplifier topology. Substitute parts are identified to provide equivalent functionality across different manufacturer offerings, packaging formats, and performance grades while maintaining compatibility with 14-SOIC pinout requirements.

Key Parameters

Parameter	Value	Unit
Amplifier Type	J-FET	—
Number of Circuits	4	—
Package / Case	14-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
Slew Rate	3.4	V/µs
Gain Bandwidth Product	2	MHz
Current - Input Bias	4	pA
Voltage - Input Offset	900	µV
Current - Supply	1.25	mA (x4 Channels)
Current - Output / Channel	80	mA
Voltage - Supply Span (Min)	7	V
Voltage - Supply Span (Max)	36	V
Operating Temperature	-40 to 85	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution logic for the TLE2064IDR is based on the following critical parameters that must align for functional equivalence:

Primary Compatibility Criteria:

Amplifier Type: J-FET topology (low input bias current requirement)
Number of Circuits: 4 independent amplifier channels
Package / Case: 14-SOIC pinout compatibility
Mounting Type: Surface Mount

Secondary Performance Criteria:

Slew Rate: Minimum 3.4 V/µs (or higher for enhanced performance)
Gain Bandwidth Product: Minimum 2 MHz
Current - Input Bias: Maximum 4 pA (or lower for superior performance)
Voltage - Input Offset: Maximum 900 µV (or lower for superior performance)
Voltage - Supply Span: Minimum 7 V to Maximum 36 V overlap required
Operating Temperature: Overlap with -40°C to 85°C range

Substitute parts are grouped into two categories:

Category 1: J-FET Amplifiers (Direct Topology Match) Parts maintaining J-FET input stage architecture: LF247DT, LF347D, LF347DT, TL074IYDT, TL084ACDT, TL084AIDT, TL084BIDT

Category 2: General Purpose Amplifiers (Functional Alternative) Parts with general purpose topology offering rail-to-rail output or extended temperature range: LM2902DR2G, NCS20074DR2G, TS514AIDT

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (mV)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Packaging
TLE2064IDR	Texas Instruments	J-FET	3.4	2	4	0.9	7	36	-40 to 85	Cut Tape (CT) & Digi-Reel®
LF247DT	STMicroelectronics	J-FET	16	4	20	3	44	44	-40 to 105	Tape & Reel (TR)
LF347D	STMicroelectronics	J-FET	16	3	20	3	44	44	0 to 70	Tube
LF347DT	STMicroelectronics	J-FET	16	4	20	3	44	44	0 to 70	Cut Tape (CT) & Digi-Reel®
LM2902DR2G	onsemi	General Purpose	—	1	90	2	3	32	-40 to 105	Cut Tape (CT) & Digi-Reel®
NCS20074DR2G	onsemi	General Purpose	2.4	3.2	5	1.3	2.7	36	-40 to 125	Cut Tape (CT) & Digi-Reel®
TL074IYDT	STMicroelectronics	J-FET	13	3	20	3	6	36	-40 to 105	Cut Tape (CT) & Digi-Reel®
TL084ACDT	STMicroelectronics	J-FET	16	4	20	3	6	36	0 to 70	Cut Tape (CT) & Digi-Reel®
TL084AIDT	STMicroelectronics	J-FET	16	4	20	3	6	36	-40 to 105	Cut Tape (CT) & Digi-Reel®
TL084BIDT	STMicroelectronics	J-FET	16	4	20	1	6	36	-40 to 105	Cut Tape (CT) & Digi-Reel®
TS514AIDT	STMicroelectronics	General Purpose	1.5	3	50	0.5	6	30	-40 to 125	Cut Tape (CT) & Digi-Reel®

Engineering Selection Recommendations

J-FET Amplifier Substitutes (Recommended for Direct Replacement):

The following parts maintain J-FET input topology and are suitable for applications requiring the low input bias current characteristic of the TLE2064IDR:

TL084AIDT and TL084BIDT provide the closest electrical match with enhanced slew rate (16 V/µs vs. 3.4 V/µs), higher gain bandwidth product (4 MHz vs. 2 MHz), and extended temperature range (-40°C to 105°C). Both are AEC-Q100 qualified automotive grade devices. TL084BIDT offers superior input offset voltage specification (1 mV vs. 3 mV). Both support the full 6 V to 36 V supply range.

TL074IYDT provides J-FET topology with 13 V/µs slew rate and 3 MHz gain bandwidth product, supporting -40°C to 105°C operating temperature and 6 V to 36 V supply range.

LF347DT offers J-FET topology with 16 V/µs slew rate and 4 MHz gain bandwidth product in Cut Tape packaging. Operating temperature range is 0°C to 70°C with fixed 44 V supply specification.

LF247DT provides J-FET topology with 16 V/µs slew rate and 4 MHz gain bandwidth product in Tape & Reel packaging. Operating temperature range is -40°C to 105°C with fixed 44 V supply specification.

General Purpose Amplifier Alternatives (Functional Substitutes):

NCS20074DR2G is a general purpose amplifier with rail-to-rail output, offering 3.2 MHz gain bandwidth product, 2.4 V/µs slew rate, and extended temperature range (-40°C to 125°C). Input bias current is 5 pA, meeting the low-bias requirement. Supply range is 2.7 V to 36 V. This device is suitable for applications where rail-to-rail output swing is beneficial.

LM2902DR2G is a general purpose amplifier with 1 MHz gain bandwidth product and extended temperature range (-40°C to 105°C). Input bias current is 90 nA, which exceeds the TLE2064IDR specification. Supply range is 3 V to 32 V. This device is suitable for cost-sensitive applications where lower bandwidth is acceptable.

TS514AIDT is a general purpose amplifier with 3 MHz gain bandwidth product and extended temperature range (-40°C to 125°C). Input bias current is 50 nA. Supply range is 6 V to 30 V. Output current per channel is 23 mA, which is lower than the TLE2064IDR specification of 80 mA.

All substitute parts listed are Active product status and RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level.

Frequently Asked Questions (FAQ)

Q1: Can TL084AIDT directly replace TLE2064IDR in all applications?

A: TL084AIDT maintains J-FET input topology and 14-SOIC pinout compatibility. It provides superior slew rate (16 V/µs vs. 3.4 V/µs) and higher gain bandwidth product (4 MHz vs. 2 MHz). The supply voltage range (6 V to 36 V) overlaps with TLE2064IDR (7 V to 36 V). Operating temperature range extends to -40°C to 105°C. Input bias current (20 pA) is higher than TLE2064IDR (4 pA), and input offset voltage (3 mV) is higher than TLE2064IDR (900 µV). Direct replacement is suitable for applications where these parameter differences are acceptable.

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

A: J-FET amplifiers (LF247DT, LF347DT, TL074IYDT, TL084 series) maintain the same input stage topology as TLE2064IDR, providing very low input bias current (20 pA or lower). General Purpose amplifiers (LM2902DR2G, NCS20074DR2G, TS514AIDT) use different input stage architecture, resulting in higher input bias current (50 nA to 90 nA). J-FET substitutes are preferred for applications sensitive to input bias current. General Purpose substitutes offer advantages such as rail-to-rail output (NCS20074DR2G) or extended temperature range (LM2902DR2G, TS514AIDT).

Q3: Are all substitute parts available in Cut Tape & Digi-Reel® packaging?

A: Most J-FET substitutes are available in Cut Tape & Digi-Reel® packaging: TL084AIDT, TL084BIDT, TL074IYDT, LF347DT, and all General Purpose alternatives (LM2902DR2G, NCS20074DR2G, TS514AIDT). LF247DT is available in Tape & Reel (TR) packaging. LF347D is available in Tube packaging. Packaging format selection depends on production volume and handling requirements.

Q4: Which substitute offers the best performance improvement over TLE2064IDR?

A: TL084BIDT provides the most comprehensive performance improvement: slew rate increases from 3.4 V/µs to 16 V/µs, gain bandwidth product increases from 2 MHz to 4 MHz, and input offset voltage improves from 900 µV to 1 mV. Operating temperature range extends from -40°C to 85°C to -40°C to 105°C. This device is AEC-Q100 qualified and maintains J-FET input topology.

Q5: Can NCS20074DR2G replace TLE2064IDR in low-voltage applications?

A: NCS20074DR2G supports supply voltage as low as 2.7 V, compared to TLE2064IDR minimum of 7 V. This makes NCS20074DR2G suitable for low-voltage applications. However, NCS20074DR2G is a General Purpose amplifier with input bias current of 5 pA (higher than TLE2064IDR at 4 pA) and offers rail-to-rail output. Compatibility depends on specific application requirements for input bias current and output swing characteristics.

Q6: What is the impact of supply voltage range differences on substitution?

A: TLE2064IDR operates from 7 V to 36 V. Substitute parts have varying supply ranges: LF247DT and LF347DT are fixed at 44 V; TL074IYDT, TL084 series support 6 V to 36 V; NCS20074DR2G supports 2.7 V to 36 V; LM2902DR2G supports 3 V to 32 V; TS514AIDT supports 6 V to 30 V. Selection must ensure the substitute's supply range encompasses the application's operating voltage.

Q7: Are automotive-grade substitutes available?

A: Yes. TL084ACDT, TL084AIDT, and TL084BIDT are all AEC-Q100 qualified automotive grade devices. These parts are suitable for automotive applications requiring J-FET amplifier topology with enhanced reliability and temperature performance.

Q8: How do input offset voltage specifications affect circuit design?

A: TLE2064IDR specifies 900 µV input offset voltage. Most J-FET substitutes specify 3 mV, which is 3.3 times higher. TL084BIDT specifies 1 mV, which is only 1.1 times higher. General Purpose alternatives specify 0.5 mV to 2 mV. Applications requiring precision amplification with minimal offset drift should prioritize TL084BIDT or NCS20074DR2G. Applications with offset compensation networks can tolerate higher offset specifications.

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