TL072CD Equivalent & Substitute Parts

Part Overview

The TL072CD is a J-FET input operational amplifier featuring two independent circuits in an 8-SOIC surface mount package. This device is classified as obsolete but remains in stock with 9,304 units available. The TL072CD operates across a supply voltage range of 10V to 30V with a slew rate of 13V/µs and gain bandwidth product of 5.25 MHz, making it suitable for low-noise audio and precision signal conditioning applications.

Due to its obsolete status, identifying equivalent and substitute parts is essential for design continuity, long-term availability assurance, and supply chain resilience. Active alternatives with comparable electrical characteristics and identical packaging are available from multiple manufacturers.

Key Parameters

Parameter	Value	Unit
Amplifier Type	J-FET	—
Number of Circuits	2	—
Slew Rate	13	V/µs
Gain Bandwidth Product	5.25	MHz
Current - Input Bias	65	pA
Voltage - Input Offset	3	mV
Current - Supply	1.4 (x2 Channels)	mA
Voltage - Supply Span (Min)	10	V
Voltage - Supply Span (Max)	30	V
Operating Temperature	0 to 70	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the TL072CD is determined by strict alignment of electrical and mechanical parameters. The primary substitution criteria are:

Critical Parameters for Substitution:

Amplifier Type: J-FET input architecture
Number of Circuits: 2 independent circuits
Package / Case: 8-SOIC form factor
Mounting Type: Surface Mount
Supply Voltage Range: Minimum 10V, Maximum 30V
Operating Temperature Range: 0°C to 70°C minimum

Secondary Compatibility Parameters:

Slew Rate: 13V/µs or higher
Gain Bandwidth Product: 5.25 MHz or higher
Input Bias Current: 65 pA or lower
Input Offset Voltage: 3 mV or lower
Supply Current: 1.4 mA per channel or lower

Substitute parts are grouped into two categories:

Category 1: Direct J-FET Equivalents (Highest Compatibility) Parts maintaining J-FET input architecture with identical or superior electrical performance and active product status. These include TL072CDR, TL072CDT, TL072IDT, TL072ACDT, TL072BIDT, and TL072BIYDT.

Category 2: General Purpose Alternatives (Functional Compatibility) Parts with general purpose or audio amplifier architecture that meet the 8-SOIC package requirement and supply voltage specifications. These include MC33172D, MC33172DT, MC34072DR2G, and LM833DT. These alternatives have different amplifier types and may exhibit different performance characteristics in low-noise applications.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (mV)	Supply Current (mA)	Supply Voltage Min (V)	Supply Voltage Max (V)	Temp Range (°C)	Product Status	Packaging
TL072CD	Texas Instruments	J-FET	13	5.25	65	3	1.4	10	30	0 to 70	Obsolete	Tube
TL072CDR	Texas Instruments	J-FET	13	5.25	65	3	1.4	10	30	0 to 70	Active	Cut Tape & Digi-Reel
TL072CDT	STMicroelectronics	J-FET	16	4	20	3	1.4	6	36	0 to 70	Active	Cut Tape & Digi-Reel
TL072IDT	STMicroelectronics	J-FET	16	4	20	3	1.4	6	36	-40 to 125	Active	Cut Tape & Digi-Reel
TL072ACDT	STMicroelectronics	J-FET	16	4	20	3	1.4	6	36	0 to 70	Active	Cut Tape & Digi-Reel
TL072BIDT	STMicroelectronics	J-FET	16	4	20	1	1.4	6	36	-40 to 125	Active	Cut Tape & Digi-Reel
TL072BIYDT	STMicroelectronics	J-FET	16	4	20	1	1.4	6	36	-40 to 125	Active	Tape & Reel
MC33172D	STMicroelectronics	General Purpose	2	2.1	20000	1	0.22	4	44	-40 to 105	Active	Tube
MC33172DT	STMicroelectronics	General Purpose	2	2.1	20000	1	0.22	4	44	-40 to 105	Active	Cut Tape & Digi-Reel
MC34072DR2G	onsemi	General Purpose	13	4.5	100	1	1.9	3	44	0 to 70	Active	Cut Tape & Digi-Reel
LM833DT	STMicroelectronics	Audio	7	15	300000	0.3	4	5	30	-40 to 105	Active	Cut Tape & Digi-Reel

Engineering Selection Recommendations

For Direct Replacement (J-FET Architecture Preservation):

TL072CDR is the primary direct equivalent. It maintains identical electrical specifications to the TL072CD with active product status and superior inventory availability (295,417 units). The only difference is packaging format (Cut Tape & Digi-Reel versus Tube), which does not affect electrical performance or PCB compatibility.

TL072CDT, TL072IDT, TL072ACDT, TL072BIDT, and TL072BIYDT are all active J-FET alternatives from STMicroelectronics. These variants offer improved slew rate (16V/µs versus 13V/µs), lower input bias current (20 pA versus 65 pA), and extended supply voltage range (6V to 36V versus 10V to 30V). TL072BIDT and TL072BIYDT provide superior input offset voltage specification (1 mV versus 3 mV) and extended operating temperature range (-40°C to 125°C). All maintain the 8-SOIC package and 1.4 mA supply current specification.

For Functional Alternatives (When J-FET Performance Not Critical):

MC34072DR2G from onsemi provides J-FET-equivalent slew rate (13V/µs) and comparable gain bandwidth product (4.5 MHz). It operates across 3V to 44V supply range with active product status and AEC-Q100 automotive qualification. This part is suitable for applications where J-FET input characteristics are not mandatory but high slew rate performance is required.

MC33172D and MC33172DT are general purpose amplifiers with extended supply voltage range (4V to 44V) and wider operating temperature (-40°C to 105°C). These parts exhibit significantly lower slew rate (2V/µs) and gain bandwidth product (2.1 MHz), making them unsuitable for high-speed signal conditioning but acceptable for low-frequency audio applications.

LM833DT is an audio amplifier with highest gain bandwidth product (15 MHz) but lowest slew rate (7V/µs) and significantly higher input bias current (300 nA). This part is not recommended for precision low-noise applications requiring J-FET input characteristics.

Compliance and Certification:

All substitute parts maintain ROHS3 compliance, MSL Level 1 (Unlimited), and REACH Unaffected status, matching the TL072CD environmental and regulatory requirements. TL072CDT, TL072IDT, TL072ACDT, TL072BIDT, and TL072BIYDT carry AEC-Q100 automotive qualification, providing additional reliability assurance for mission-critical applications.

Frequently Asked Questions (FAQ)

Q: Can TL072CDR be used as a direct replacement for TL072CD?

A: Yes. TL072CDR is electrically identical to TL072CD with matching slew rate (13V/µs), gain bandwidth product (5.25 MHz), input bias current (65 pA), input offset voltage (3 mV), and supply current (1.4 mA). Both operate across 10V to 30V supply range and 0°C to 70°C temperature range. The only difference is packaging format (Cut Tape & Digi-Reel versus Tube), which does not affect PCB assembly or electrical performance. TL072CDR has active product status with significantly higher inventory availability.

Q: What are the key differences between TL072CDT and TL072CD?

A: TL072CDT offers improved electrical performance: slew rate increases from 13V/µs to 16V/µs, input bias current decreases from 65 pA to 20 pA, and supply voltage range expands from 10-30V to 6-36V. Input offset voltage remains at 3 mV. TL072CDT maintains the 8-SOIC package and 1.4 mA supply current. Operating temperature range is identical (0°C to 70°C). TL072CDT has active product status with 203,200 units in stock.

Q: Are MC33172D and MC33172DT suitable substitutes for audio applications?

A: MC33172D and MC33172DT are general purpose amplifiers with significantly different electrical characteristics. Slew rate is 2V/µs (versus 13V/µs for TL072CD), gain bandwidth product is 2.1 MHz (versus 5.25 MHz), and input bias current is 20 nA (versus 65 pA). These parts are suitable for low-frequency audio and general signal conditioning but not for high-speed or precision low-noise applications. Both maintain 8-SOIC packaging and operate across 4V to 44V supply range with extended temperature range (-40°C to 105°C).

Q: Why is LM833DT not recommended as a substitute?

A: LM833DT is an audio amplifier with fundamentally different characteristics. Input bias current is 300 nA (4,600 times higher than TL072CD), slew rate is 7V/µs (54% lower), and gain bandwidth product is 15 MHz (higher but with different frequency response characteristics). The 8-SO package is mechanically compatible, but electrical performance diverges significantly from TL072CD specifications. LM833DT is suitable only for general audio applications where J-FET input characteristics are not required.

Q: What is the difference between TL072BIDT and TL072BIYDT?

A: TL072BIDT and TL072BIYDT are electrically identical with identical electrical specifications: 16V/µs slew rate, 4 MHz gain bandwidth product, 20 pA input bias current, and 1 mV input offset voltage. Both operate across 6V to 36V supply range and -40°C to 125°C temperature range. The difference is packaging format: TL072BIDT uses Cut Tape & Digi-Reel packaging (1,249 units in stock), while TL072BIYDT uses Tape & Reel packaging (3,600 units in stock). Both carry AEC-Q100 automotive qualification.

Q: Can TL072IDT be used in applications requiring 0°C to 70°C operation?

A: Yes. TL072IDT operates across -40°C to 125°C temperature range, which encompasses the 0°C to 70°C requirement. All other electrical specifications match TL072CDT: 16V/µs slew rate, 4 MHz gain bandwidth product, 20 pA input bias current, 3 mV input offset voltage, and 6V to 36V supply range. TL072IDT has active product status with 55,200 units in stock and AEC-Q100 automotive qualification.

Q: Is MC34072DR2G compatible with the TL072CD supply voltage range?

A: MC34072DR2G operates across 3V to 44V supply range, which exceeds the TL072CD requirement of 10V to 30V. However, the minimum supply voltage (3V) is lower than TL072CD (10V), so applications requiring exactly 10V minimum operation should verify circuit behavior at lower voltages. MC34072DR2G provides 13V/µs slew rate (matching TL072CD) and 4.5 MHz gain bandwidth product. It is a general purpose amplifier with 100 nA input bias current and carries AEC-Q100 automotive qualification.

Q: What packaging options are available for TL072 substitutes?

A: All substitute parts maintain the 8-SOIC (0.154", 3.90mm Width) surface mount package, ensuring PCB footprint compatibility. Packaging format variations include: Tube (MC33172D), Cut Tape & Digi-Reel (TL072CDR, TL072CDT, TL072IDT, TL072ACDT, TL072BIDT, MC33172DT, MC34072DR2G, LM833DT), and Tape & Reel (TL072BIYDT). Packaging format does not affect electrical performance or PCB assembly compatibility.

Q: Do all substitute parts meet RoHS3 compliance?

A: Yes. All substitute parts listed maintain ROHS3 compliance, matching the TL072CD environmental requirement. All parts also maintain MSL Level 1 (Unlimited moisture sensitivity) and REACH Unaffected status, ensuring regulatory and environmental compatibility across all applications.

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