LM741CN Operational Amplifier: Pinout, Datasheet, and Typical Application

The LM741CN is a general-purpose operational amplifier which features improved performance over industry standards. It is a direct, plug-in replacement for the 709C, LM201, MC1439, and 748 in most applications. The LM741CN offers many features which make its applications nearly foolproof: overload protection on the input and output, no latch-up when the common-mode range is exceeded, as well as freedom from oscillations.

Symbol

Footprint

3D Model

• Overload protection on the input and output

• No latch-up when the common-mode range is exceeded

• Two independent, high-gain, frequency compensated op-amps

• Input offset voltage: 2 mV

• Input offset current: 20 nA

• Input bias current: 80 nA

• Supply current: 1.7 mA

• Supply voltage: ±5V to ±18V

Texas Instruments LM741CN technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments LM741CN.

As with most amplifiers, take care with lead dress, component placement, and supply decoupling in order to ensure stability. For example, resistors from the output to an input should be placed with the body close to the input to minimize pick-up and maximize the frequency of the feedback pole by minimizing the capacitance from the input to ground. As shown in the figure below, the feedback resistors and the decoupling capacitors are located close to the device to ensure maximum stability and noise performance of the system.

LM741CN Layout Example

• Comparators

• Multivibrators

• DC amplifiers

• Summing amplifiers

• Integrator or differentiators

• Active filters

The LM741CN is a general-purpose amplifier than can be used in a variety of applications and configurations. One common configuration is in a noninverting amplifier configuration. In this configuration, the output signal is in phase with the input (not inverted as in the inverting amplifier configuration), the input impedance of the amplifier is high, and the output impedance is low. The characteristics of the input and output impedance is beneficial for applications that require isolation between the input and output. No significant loading will occur from the previous stage before the amplifier. The gain of the system is set accordingly so the output signal is a factor larger than the input signal.

LM741CN Noninverting Amplifier Circuit

LM741CN Package Outline

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Download datasheets and manufacturer documentation for Texas Instruments LM741CN.