LM741CN Equivalent & Substitute Parts

Part Overview

The LM741CN is a general-purpose operational amplifier manufactured by Texas Instruments in 8-DIP packaging. This device is classified as obsolete but remains in stock with 38,197 units available. The LM741CN operates across a supply voltage range of 10V to 36V with a slew rate of 0.5V/µs and gain bandwidth product of 1.5 MHz, making it suitable for general analog signal processing applications. Due to its obsolete status, identifying equivalent and substitute parts is essential for design continuity and long-term component availability assurance.

Key Parameters

Parameter	LM741CN Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Slew Rate	0.5	V/µs
Gain Bandwidth Product	1.5	MHz
Current - Input Bias	80	nA
Voltage - Input Offset	2	mV
Current - Supply	1.7	mA
Current - Output / Channel	25	mA
Voltage - Supply Span (Min)	10	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	RoHS non-compliant	—

Substitute Part Grouping Explanation

Substitution of the LM741CN is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Package type: 8-DIP (0.300", 7.62mm) with Through Hole mounting
Amplifier type classification: General Purpose or J-FET
Number of circuits: 1
Supply voltage range compatibility: Minimum 10V to maximum 36V
Operating temperature range: 0°C to 70°C
Output current capability: Minimum 15 mA per channel

Secondary Compatibility Parameters:

Slew rate: 0.5V/µs or greater
Gain bandwidth product: 1.5 MHz or greater
Input bias current: 80 nA or lower
Input offset voltage: 2 mV or lower

Substitutes are grouped into two categories: direct equivalents (identical electrical performance within specified ranges) and functional alternatives (different amplifier topology with enhanced performance characteristics but compatible pin configuration and supply requirements).

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA/nA)	Input Offset (µV/mV)	Supply Min (V)	Supply Max (V)	Output Current (mA)	Product Status	RoHS Status
LM741CN	Texas Instruments	General Purpose	0.5	1.5	80 nA	2 mV	10	36	25	Obsolete	Non-compliant
LM741CN/NOPB	Texas Instruments	General Purpose	0.5	1.5	80 nA	2 mV	10	36	25	Active	ROHS3 Compliant
UA741CP	Texas Instruments	General Purpose	0.5	1	80 nA	1 mV	7	36	25	Active	ROHS3 Compliant
AD548KNZ	Analog Devices Inc.	General Purpose	1.8	1	30 pA	300 µV	9	36	15	Active	ROHS3 Compliant
AD711JNZ	Analog Devices Inc.	J-FET	20	4	15 pA	300 µV	9	36	25	Active	ROHS3 Compliant
AD711KNZ	Analog Devices Inc.	J-FET	20	4	15 pA	200 µV	9	36	25	Active	ROHS3 Compliant
LT1012DN8#PBF	Analog Devices Inc.	General Purpose	0.2	—	25 pA	8 µV	2.4	40	—	Active	ROHS3 Compliant
LT1022CN8#PBF	Analog Devices Inc.	J-FET	24	8	30 pA	100 µV	20	36	—	Active	ROHS3 Compliant
LT1055CN8#PBF	Analog Devices Inc.	J-FET	12	4.5	30 pA	120 µV	10	36	—	Active	ROHS3 Compliant
LT1056CN8#PBF	Analog Devices Inc.	J-FET	14	5.5	30 pA	140 µV	10	36	—	Active	ROHS3 Compliant
LT1468CN8#PBF	Analog Devices Inc.	General Purpose	22	90	10 nA	30 µV	9	30	—	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalent (Recommended for Pin-Compatible Replacement):

LM741CN/NOPB is the direct equivalent of LM741CN. This part maintains identical electrical specifications while offering Active product status and ROHS3 compliance. The transition from obsolete to active status ensures long-term availability. Packaging is identical (8-PDIP, Tube), and all electrical parameters match the original specification exactly. This substitution requires no circuit redesign.

Texas Instruments Alternative:

UA741CP is an active Texas Instruments general-purpose amplifier in 8-DIP packaging. It provides improved input offset voltage (1 mV versus 2 mV) and lower minimum supply voltage (7V versus 10V). ROHS3 compliance is confirmed. This part is suitable for applications where the LM741CN supply voltage minimum of 10V is a constraint.

Analog Devices General Purpose Alternatives:

AD548KNZ offers significantly improved input bias current (30 pA versus 80 nA) and input offset voltage (300 µV versus 2 mV), with enhanced slew rate (1.8V/µs). Minimum supply voltage is 9V. Output current is reduced to 15 mA. This part is suitable for precision applications requiring lower input bias current.

LT1468CN8#PBF provides high-performance general-purpose amplification with 90 MHz gain bandwidth product, 22V/µs slew rate, and 30 µV input offset voltage. Supply range is 9V to 30V. This part is suitable for high-speed signal processing applications where the LM741CN bandwidth is insufficient.

Analog Devices J-FET Alternatives:

AD711JNZ and AD711KNZ are J-FET input amplifiers with 20V/µs slew rate and 4 MHz bandwidth. Input bias current is 15 pA. AD711KNZ offers superior input offset voltage (200 µV versus 300 µV). These parts are suitable for applications requiring extremely low input bias current and high input impedance.

LT1022CN8#PBF is a J-FET amplifier with 24V/µs slew rate and 8 MHz bandwidth. Minimum supply voltage is 20V, which restricts applicability to higher-voltage systems.

LT1055CN8#PBF and LT1056CN8#PBF are J-FET amplifiers with moderate slew rates (12V/µs and 14V/µs respectively) and bandwidth of 4.5 MHz and 5.5 MHz. Both operate from 10V minimum supply voltage and are suitable for general-purpose applications requiring improved slew rate over the LM741CN.

Compliance Considerations:

All recommended substitutes are ROHS3 compliant and REACH unaffected. The original LM741CN is RoHS non-compliant. Selection of compliant alternatives ensures regulatory alignment for new designs and manufacturing environments with RoHS requirements.

Frequently Asked Questions (FAQ)

Q: Can LM741CN/NOPB be used as a direct replacement for LM741CN?

A: Yes. LM741CN/NOPB is electrically and mechanically identical to LM741CN. Both are 8-DIP through-hole packages with identical electrical specifications. The primary difference is product status (Active versus Obsolete) and RoHS compliance (ROHS3 versus non-compliant). No circuit modifications are required.

Q: What is the key difference between general-purpose and J-FET amplifier substitutes?

A: General-purpose amplifiers (LM741CN, UA741CP, AD548KNZ, LT1468CN8#PBF) use bipolar input stages. J-FET amplifiers (AD711JNZ, AD711KNZ, LT1022CN8#PBF, LT1055CN8#PBF, LT1056CN8#PBF) use field-effect transistor input stages. J-FET types provide significantly lower input bias current (15-30 pA versus 80 nA) and higher input impedance, making them suitable for high-impedance signal sources. General-purpose types are suitable for standard signal conditioning applications.

Q: Does UA741CP meet the minimum supply voltage requirement of 10V specified for LM741CN?

A: UA741CP has a minimum supply voltage of 7V, which is lower than the LM741CN specification of 10V. In applications operating at exactly 10V supply, UA741CP provides additional margin. However, if the circuit is designed specifically for 10V minimum operation, UA741CP is compatible and provides improved performance.

Q: Which substitute offers the best performance improvement over LM741CN?

A: LT1468CN8#PBF provides the most significant performance enhancement with 90 MHz gain bandwidth product (versus 1.5 MHz), 22V/µs slew rate (versus 0.5V/µs), and 30 µV input offset voltage (versus 2 mV). However, maximum supply voltage is limited to 30V (versus 36V for LM741CN). This part is suitable for high-speed applications where LM741CN bandwidth is insufficient.

Q: Are all substitute parts available in 8-DIP through-hole packaging?

A: Yes. All listed substitutes are available in 8-DIP (0.300", 7.62mm) through-hole packaging with 8-PDIP supplier device package designation. Pin configuration is compatible across all parts listed.

Q: What is the significance of RoHS compliance for substitute selection?

A: RoHS3 compliance is mandatory for products manufactured or sold in regions with RoHS regulations. All recommended substitutes are ROHS3 compliant, whereas the original LM741CN is non-compliant. For new designs or manufacturing environments with RoHS requirements, compliant substitutes must be selected.

Q: Can LT1022CN8#PBF be used in applications designed for LM741CN?

A: LT1022CN8#PBF is functionally compatible but has a minimum supply voltage of 20V, compared to LM741CN's 10V minimum. This part is suitable only for applications operating at 20V or higher supply voltage. If the circuit operates below 20V, this substitute is not appropriate.

Q: What output current capability should be considered when selecting a substitute?

A: LM741CN provides 25 mA output current per channel. AD548KNZ provides 15 mA, which is lower. If the application requires driving loads exceeding 15 mA, AD548KNZ is not suitable. All other listed substitutes maintain 25 mA output current capability or do not specify this parameter, indicating compatibility with the original specification.

Q: Is LT1012DN8#PBF suitable as a substitute for LM741CN?

A: LT1012DN8#PBF has a slew rate of 0.2V/µs, which is lower than LM741CN's 0.5V/µs. Additionally, minimum supply voltage is 2.4V and maximum is 40V, indicating this part is optimized for low-voltage, precision applications rather than general-purpose amplification at the LM741CN's specified voltage range. This part is not recommended as a direct substitute.

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