TLE2072AIDR Equivalent & Substitute Parts

Part Overview

The TLE2072AIDR is a J-FET input operational amplifier manufactured by Texas Instruments, configured as a dual-channel (2 circuit) device in an 8-SOIC surface mount package. This device is classified as Active product status and is RoHS3 compliant. The TLE2072AIDR serves applications requiring low input bias current, low input offset voltage, and moderate slew rate performance in a compact form factor. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, design flexibility, or application-specific performance needs.

Key Parameters

Parameter	Value	Unit
Amplifier Type	J-FET	—
Number of Circuits	2	—
Slew Rate	45	V/µs
Gain Bandwidth Product	10	MHz
Current - Input Bias	20	pA
Voltage - Input Offset	700	µV
Current - Supply	3.1 (x2 Channels)	mA
Current - Output / Channel	48	mA
Voltage - Supply Span (Min)	4.5	V
Voltage - Supply Span (Max)	38	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 (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the TLE2072AIDR are grouped based on the following substitution criteria:

Primary Substitution Criteria:

Package compatibility: 8-SOIC form factor (0.154", 3.90mm Width)
Surface mount mounting type
Dual-channel (2 circuit) configuration
RoHS3 compliance and MSL 1 rating
Active product status

Secondary Electrical Compatibility Factors:

Input bias current performance (pA range preferred)
Input offset voltage specification
Supply voltage range overlap with TLE2072AIDR (4.5V to 38V minimum requirement)
Output current capability per channel
Operating temperature range coverage

Substitutes are classified into two categories:

Category A - J-FET Amplifiers (Direct Topology Match): AD746JRZ and TL072CDT maintain J-FET input architecture, preserving ultra-low input bias current characteristics (20 pA range) essential for high-impedance signal sources.

Category B - General Purpose and Voltage Feedback Amplifiers (Functional Equivalents): MC33078D, MC33078DT, MC33078YDT, MC1458DT, LT1355CS8#PBF, and LT1355CS8#TRPBF provide alternative amplifier topologies with different electrical performance profiles suitable for applications where J-FET input characteristics are not mandatory.

Parameter Comparison

Parameter	TLE2072AIDR	AD746JRZ	TL072CDT	MC33078D	MC33078DT	MC33078YDT	MC1458DT	LT1355CS8#PBF	LT1355CS8#TRPBF
Manufacturer	Texas Instruments	Analog Devices Inc.	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	Analog Devices Inc.	Analog Devices Inc.
Amplifier Type	J-FET	J-FET	J-FET	General Purpose	General Purpose	General Purpose	General Purpose	Voltage Feedback	Voltage Feedback
Number of Circuits	2	2	2	2	2	2	2	2	2
Slew Rate (V/µs)	45	75	16	7	7	7	0.8	400	400
Gain Bandwidth Product (MHz)	10	13	4	15	15	15	1	12	12
Current - Input Bias (pA/nA)	20 pA	110 pA	20 pA	250 nA	250 nA	250 nA	30 nA	80 nA	80 nA
Voltage - Input Offset (µV/mV)	700 µV	300 µV	3 mV	150 µV	150 µV	150 µV	1 mV	300 µV	300 µV
Current - Supply (mA)	3.1 (x2)	7	1.4	4	4	4	2.3	1 (x2)	1 (x2)
Current - Output / Channel (mA)	48	25	40	37	37	37	25	30	30
Voltage - Supply Span Min (V)	4.5	9	6	5	5	5	5	5	5
Voltage - Supply Span Max (V)	38	36	36	30	30	30	30	30	30
Operating Temperature (°C)	-40 to 85	0 to 70	0 to 70	-40 to 105	-40 to 105	-40 to 105	0 to 70	0 to 70	0 to 70
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Automotive Grade	—	—	AEC-Q100	AEC-Q100	AEC-Q100	AEC-Q100	—	—	—

Engineering Selection Recommendations

For J-FET Input Topology Preservation:

TL072CDT is the primary substitute when J-FET input characteristics and ultra-low input bias current (20 pA) are required. This device maintains identical input bias current specification to TLE2072AIDR and is AEC-Q100 qualified for automotive applications. Operating temperature range is 0°C to 70°C, which is narrower than TLE2072AIDR (-40°C to 85°C). Supply voltage range is 6V to 36V, which does not extend to the 4.5V minimum of TLE2072AIDR.

AD746JRZ provides enhanced slew rate (75 V/µs versus 45 V/µs) and higher gain bandwidth product (13 MHz versus 10 MHz) while maintaining J-FET input architecture. Input bias current is 110 pA, which is higher than TLE2072AIDR. Minimum supply voltage is 9V, restricting use in lower-voltage applications. Operating temperature range is 0°C to 70°C.

For General Purpose Applications with Extended Temperature Range:

MC33078DT and MC33078YDT are identical general purpose amplifiers with AEC-Q100 qualification and extended operating temperature range (-40°C to 105°C), exceeding TLE2072AIDR specifications. These devices feature higher gain bandwidth product (15 MHz) and lower input offset voltage (150 µV). Input bias current is 250 nA, significantly higher than TLE2072AIDR. Supply voltage range is 5V to 30V. Both are available in Cut Tape packaging.

MC33078D is the tube-packaged variant of MC33078DT with identical electrical specifications.

For Low Supply Current Applications:

LT1355CS8#TRPBF and LT1355CS8#PBF are voltage feedback amplifiers with exceptionally low supply current (1 mA per channel versus 3.1 mA for TLE2072AIDR) and ultra-high slew rate (400 V/µs). These devices are suitable for power-sensitive applications. Input bias current is 80 nA. Supply voltage range is 5V to 30V. Operating temperature range is 0°C to 70°C. LT1355CS8#TRPBF is available in Cut Tape packaging with higher inventory (50,300 units).

For Legacy System Compatibility:

MC1458DT is a general purpose amplifier with the lowest gain bandwidth product (1 MHz) and slowest slew rate (0.8 V/µs). This device is suitable only for low-frequency applications and is not recommended for high-speed signal processing. Operating temperature range is 0°C to 70°C.

Product Status and Compliance:

All substitute parts maintain Active product status and RoHS3 compliance. MC33078 variants (MC33078D, MC33078DT, MC33078YDT) and TL072CDT carry AEC-Q100 automotive qualification, suitable for automotive and industrial applications requiring enhanced reliability.

Frequently Asked Questions (FAQ)

Q1: Can TL072CDT directly replace TLE2072AIDR in all applications?

TL072CDT maintains J-FET input topology and identical input bias current (20 pA), ensuring compatibility for high-impedance signal source applications. However, the minimum supply voltage is 6V versus 4.5V for TLE2072AIDR. If your application operates below 6V, TL072CDT is not suitable. Operating temperature range is 0°C to 70°C, which does not cover the full -40°C to 85°C range of TLE2072AIDR.

Q2: What is the difference between MC33078D and MC33078DT?

MC33078D is supplied in Tube packaging, while MC33078DT is supplied in Cut Tape (CT) & Digi-Reel® packaging. Electrical specifications are identical. Both are AEC-Q100 qualified. MC33078DT has significantly higher inventory (133,465 units versus 720,400 units for MC33078D). Choose based on packaging and handling requirements.

Q3: Why does AD746JRZ have higher input bias current than TLE2072AIDR?

AD746JRZ specifies 110 pA input bias current compared to 20 pA for TLE2072AIDR. Both are J-FET input devices. The higher bias current in AD746JRZ reflects different semiconductor process and design optimization. For applications requiring ultra-low input bias current below 50 pA, TL072CDT or TLE2072AIDR are preferred.

Q4: Are LT1355 devices suitable for audio applications?

LT1355CS8#PBF and LT1355CS8#TRPBF are voltage feedback amplifiers with 400 V/µs slew rate and 12 MHz gain bandwidth product. These specifications support audio frequency applications. However, input bias current is 80 nA, which is higher than J-FET input devices. For audio applications requiring ultra-low input bias current and minimal noise, J-FET devices (TLE2072AIDR, TL072CDT, AD746JRZ) are preferred.

Q5: Can I use MC1458DT in place of TLE2072AIDR?

MC1458DT is a general purpose amplifier with 1 MHz gain bandwidth product and 0.8 V/µs slew rate. These specifications are significantly lower than TLE2072AIDR (10 MHz and 45 V/µs). MC1458DT is suitable only for low-frequency DC and audio applications below 100 kHz. For applications requiring moderate to high bandwidth, MC1458DT is not recommended.

Q6: What is the impact of different supply voltage ranges on substitution?

TLE2072AIDR operates from 4.5V to 38V. AD746JRZ operates from 9V to 36V, restricting use in applications below 9V. TL072CDT operates from 6V to 36V. MC33078 variants and LT1355 devices operate from 5V to 30V. Verify your application's supply voltage range before selecting a substitute. If your design uses 4.5V to 6V supply, only TLE2072AIDR and MC33078 variants are suitable.

Q7: Which substitute offers the best high-temperature performance?

MC33078D, MC33078DT, and MC33078YDT operate from -40°C to 105°C, exceeding TLE2072AIDR's -40°C to 85°C range. These devices are suitable for high-temperature industrial and automotive applications. All three variants are AEC-Q100 qualified. For applications requiring operation above 85°C, MC33078 variants are recommended.

Q8: Is packaging compatibility guaranteed for all substitutes?

All substitute parts use 8-SOIC (0.154", 3.90mm Width) surface mount package, identical to TLE2072AIDR. Pin-to-pin compatibility is maintained. However, verify PCB layout and thermal management requirements, as different devices may have different power dissipation characteristics. Consult device datasheets for thermal specifications.

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