TL072BCN Equivalent & Substitute Parts

Part Overview

The TL072BCN is a J-FET input operational amplifier featuring dual circuits in an 8-Mini DIP package, manufactured by STMicroelectronics. This device is classified as obsolete, though 1653 units remain in stock. The TL072BCN is qualified to AEC-Q100 automotive standards and operates across a supply voltage range of 6V to 36V with a slew rate of 16V/µs and gain bandwidth product of 4 MHz. Due to its obsolete status, equivalent and substitute parts are necessary for new designs, long-term availability assurance, and applications requiring active product support.

Key Parameters

Parameter	Value	Unit
Amplifier Type	J-FET	—
Number of Circuits	2	—
Slew Rate	16	V/µs
Gain Bandwidth Product	4	MHz
Current - Input Bias	20	pA
Voltage - Input Offset	3	mV
Current - Supply	1.4	mA
Current - Output / Channel	40	mA
Voltage - Supply Span (Min)	6	V
Voltage - Supply Span (Max)	36	V
Operating Temperature	0 to 70	°C
Package / Case	8-DIP (0.300", 7.62mm)	—
Mounting Type	Through Hole	—
RoHS Status	ROHS3 Compliant	—
Grade	Automotive	—
Qualification	AEC-Q100	—

Substitute Part Grouping Explanation

Substitution of the TL072BCN 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: Dual (2) circuits
Package / Case: 8-DIP (0.300", 7.62mm) form factor
Mounting Type: Through Hole
Supply Voltage Range: Minimum 6V, Maximum 36V (or compatible overlap)
Operating Temperature Range: 0°C to 70°C (or extended range)

Secondary Compatibility Parameters:

Slew Rate: 16V/µs (minimum acceptable for signal fidelity)
Gain Bandwidth Product: 4 MHz (minimum acceptable for frequency response)
Input Bias Current: 20 pA (low-impedance source compatibility)
Input Offset Voltage: 3 mV (DC accuracy requirement)
Output Current per Channel: 40 mA (load driving capability)

Substitute parts are grouped into two categories:

Direct Equivalents (Same Base Product Number): Parts sharing the TL072 base designation with identical electrical characteristics and package specifications.

Functional Equivalents (Different Base Product Number): Parts with J-FET amplifier architecture, dual circuits, and 8-DIP packaging that meet or exceed the TL072BCN electrical specifications within the defined supply voltage and temperature operating ranges.

Parts with different amplifier types (General Purpose, Audio, Voltage Feedback) or incompatible supply voltage ranges are listed for reference but require circuit re-evaluation before substitution.

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)	Product Status
TL072BCN	STMicroelectronics	J-FET	16	4	20	3	6	36	0 to 70	Obsolete
TL072CP	Texas Instruments	J-FET	13	5.25	65	3	10	30	0 to 70	Active
LF412ACN/NOPB	Texas Instruments	J-FET	15	4	50	0.5	10	44	0 to 70	Active
LT1057CN8#PBF	Analog Devices Inc.	J-FET	13	5	7	0.2	20	36	0 to 70	Active
OP249GPZ	Analog Devices Inc.	J-FET	22	4.7	30	0.4	9	36	-40 to 85	Active
OPA2132P	Texas Instruments	J-FET	20	8	5	0.25	5	36	-40 to 85	Last Time Buy
LM258P	Texas Instruments	General Purpose	0.3	0.7	20	3	3	32	-25 to 85	Active
LT1352CN8#PBF	Analog Devices Inc.	Voltage Feedback	200	3	20	0.2	5	30	-40 to 85	Active
MUSES01	Nisshinbo Micro Devices Inc.	Audio	12	3.3	200	0.8	18	32	-40 to 85	Active
OP270GPZ	Analog Devices Inc.	General Purpose	2.4	5	15	0.05	9	36	-40 to 85	Active
OPA2107APG4	Texas Instruments	General Purpose	18	4.5	4	0.1	9	36	-25 to 85	Obsolete

Engineering Selection Recommendations

Recommended Direct Substitutes (Active Product Status):

TL072CP (Texas Instruments) is the primary direct equivalent. It shares the TL072 base product number and maintains J-FET amplifier architecture with dual circuits in 8-DIP packaging. The supply voltage range (10V to 30V) is narrower than the TL072BCN but covers standard industrial and consumer applications. Product status is Active, ensuring long-term availability and manufacturing support.

LF412ACN/NOPB (Texas Instruments) provides superior performance with extended supply voltage range (10V to 44V), lower input offset voltage (0.5 mV), and slew rate of 15V/µs. This part is suitable for applications requiring tighter DC accuracy and wider supply flexibility. Product status is Active.

OP249GPZ (Analog Devices Inc.) offers enhanced slew rate (22V/µs) and extended operating temperature range (-40°C to 85°C). This part is appropriate for high-speed signal processing and industrial temperature environments. Product status is Active.

OPA2132P (Texas Instruments) provides the highest gain bandwidth product (8 MHz) and lowest input bias current (5 pA) among J-FET options. Extended operating temperature range (-40°C to 85°C) and supply voltage range (5V to 36V) make this suitable for precision applications. Product status is Last Time Buy; verify availability for long-term projects.

Functional Alternatives (Different Amplifier Type):

LT1057CN8#PBF (Analog Devices Inc.) is a J-FET amplifier with superior input bias current (7 pA) and input offset voltage (0.2 mV). However, the minimum supply voltage is 20V, which exceeds the TL072BCN's 6V minimum. This part is suitable only for applications with 20V or higher supply rails.

LT1352CN8#PBF (Analog Devices Inc.) is a Voltage Feedback amplifier with significantly higher slew rate (200V/µs) and lower supply current (250µA). This part is appropriate for high-speed applications but requires circuit re-evaluation due to different amplifier topology.

OP270GPZ (Analog Devices Inc.) is a General Purpose amplifier with superior input offset voltage (50 µV) and extended temperature range (-40°C to 85°C). Lower slew rate (2.4V/µs) and gain bandwidth product (5 MHz) may limit high-frequency performance.

LM258P (Texas Instruments) is a General Purpose amplifier with significantly lower slew rate (0.3V/µs) and gain bandwidth product (700 kHz). This part is suitable only for low-frequency applications and requires full circuit re-evaluation.

MUSES01 (Nisshinbo Micro Devices Inc.) is an Audio amplifier with minimum supply voltage of 18V, exceeding the TL072BCN's 6V minimum. This part is suitable only for audio applications with 18V or higher supply rails.

OPA2107APG4 (Texas Instruments) is a General Purpose amplifier with obsolete product status. Although it offers superior input bias current (4 pA) and extended temperature range (-25°C to 85°C), its obsolete status limits long-term availability.

Compliance and Certification:

All recommended substitute parts maintain ROHS3 compliance and REACH Unaffected status, consistent with the TL072BCN. The TL072BCN's AEC-Q100 automotive qualification is not matched by all substitutes; applications requiring automotive-grade components should prioritize parts with equivalent certifications or verify compliance with system requirements.

Frequently Asked Questions (FAQ)

Q: Can TL072CP directly replace TL072BCN in all applications?

A: TL072CP is a direct equivalent sharing the TL072 base product number and J-FET architecture. However, the supply voltage range differs: TL072CP operates from 10V to 30V, while TL072BCN operates from 6V to 36V. If your application requires supply voltages below 10V or above 30V, TL072CP is not suitable. Verify your circuit's supply voltage range before substitution.

Q: What is the difference between J-FET and General Purpose amplifiers?

A: J-FET amplifiers feature extremely low input bias current (typically in the picoampere range), making them suitable for high-impedance signal sources and precision measurement applications. General Purpose amplifiers have higher input bias current (typically in the nanoampere range) but offer lower cost and simpler biasing. Substituting a General Purpose amplifier for a J-FET amplifier requires circuit re-evaluation, particularly for high-impedance input stages.

Q: Why does LT1057CN8#PBF have a minimum supply voltage of 20V?

A: LT1057CN8#PBF is designed for applications requiring very low input bias current (7 pA) and low input offset voltage (0.2 mV). The 20V minimum supply voltage reflects its design optimization for precision, low-noise applications in higher-voltage systems. This part is not suitable for applications with supply voltages below 20V.

Q: Is the 8-DIP package the same across all substitute parts?

A: Yes. All substitute parts listed use the 8-DIP (0.300", 7.62mm) package with Through Hole mounting. This ensures mechanical and electrical compatibility with existing PCB layouts designed for the TL072BCN. No PCB redesign is required for package compatibility.

Q: What does "Last Time Buy" product status mean for OPA2132P?

A: Last Time Buy status indicates that Texas Instruments has announced the end of production for OPA2132P. Existing inventory may be available, but no new manufacturing is planned. For new designs requiring long-term component availability, select parts with Active product status such as TL072CP, LF412ACN/NOPB, or OP249GPZ.

Q: Can I use LM258P as a substitute if my application is cost-sensitive?

A: LM258P is significantly less expensive than J-FET alternatives due to its General Purpose amplifier architecture. However, it has a slew rate of 0.3V/µs (compared to TL072BCN's 16V/µs) and gain bandwidth product of 700 kHz (compared to 4 MHz). These differences make LM258P unsuitable for applications requiring fast signal processing or high-frequency response. Use LM258P only for low-frequency, cost-critical applications after full circuit re-evaluation.

Q: What is the significance of input offset voltage differences?

A: Input offset voltage is the DC voltage difference between the two input terminals when the output is zero. TL072BCN has 3 mV offset voltage. Substitutes like LF412ACN/NOPB (0.5 mV) and LT1057CN8#PBF (0.2 mV) offer lower offset voltage, reducing DC errors in precision applications. For general-purpose applications, the difference is negligible; for precision instrumentation, lower offset voltage is advantageous.

Q: Does slew rate affect my application?

A: Slew rate determines how quickly an amplifier can change its output voltage. TL072BCN has 16V/µs slew rate. Substitutes with higher slew rates (OP249GPZ at 22V/µs, OPA2132P at 20V/µs) are better for high-frequency or fast-transient signals. Substitutes with lower slew rates (LM258P at 0.3V/µs) are suitable only for low-frequency applications. For audio and general-purpose applications, slew rate differences within the 10–20V/µs range are typically not critical.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 Compliant and REACH Unaffected, matching the TL072BCN's environmental compliance status. This ensures compatibility with modern manufacturing and environmental regulations.

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