Part Number: TLC274CDR

Manufacturer: Texas Instruments

Description: IC OPAMP GP 4 CIRCUIT 14DIP

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Technical Specifications of TLC274CDR

Datasheet  TLC274CDR datasheet
Category Integrated Circuits (ICs)
Family Linear – Amplifiers – Instrumentation, OP Amps, Buffer Amps
Manufacturer Texas Instruments
Series LinCMOS?
Packaging Tape & Reel (TR)
Part Status Active
Amplifier Type General Purpose
Number of Circuits 4
Output Type
Slew Rate 5.3 V/μs
Gain Bandwidth Product 2.2MHz
-3db Bandwidth
Current – Input Bias 0.7pA
Voltage – Input Offset 1.1mV
Current – Supply 3.8mA
Current – Output / Channel 30mA
Voltage – Supply, Single/Dual (±) 3 V ~ 16 V, ±1.5 V ~ 8 V
Operating Temperature 0°C ~ 70°C
Mounting Type Surface Mount
Package / Case 14-SOIC (0.154″, 3.90mm Width)
Supplier Device Package 14-SOIC


Op-amps, or operational amplifiers, are critical components in the field of electronics. They serve as the foundation for innumerable circuits, allowing for amplification, filtering, and signal conditioning in a variety of applications. Texas Instruments’ TLC274CDR quad operational amplifier is a noteworthy member of the op-amp family. In this comprehensive overview, we will look at the TLC274CDR’s features, applications, and benefits, as well as why it is a popular choice among engineers and designers.

Introduction to the TLC274CDR

The TLC274CDR is a component of Texas Instruments’ larger TLC2xx line of logic controllers. Because it is a quad operational amplifier, you can think of it as a single package that has four separate op-amp circuits. This operational amplifier is remarkable for a number of reasons, which combine to make it an adaptable and reliable option for a wide range of electrical setups.

Key Features

  1. Trimmed Offset Voltage:The offset voltage characteristics of the TLC274CDR are outstanding, with a maximum of only 900 V at 25°C and a supply voltage of 5V. This signifies that the amplifier’s output is extremely near to the required output, which reduces amplification error.
  2. Offset Voltage Drift:Even after the first 30 days of operation, the TLC274CDR has outstanding stability, with an average offset voltage drift of only 0.1 V per month. This functionality ensures that your circuits retain precision over long periods of time.
  3. Wide Supply Voltage Range:This op-amp is intended to function in a wide range of temperature and supply voltage conditions. Depending on the situation, it can handle supply voltages ranging from 3V to 16V.
  4. Single-Supply Operation:The TLC274CDR is able to function with only a single supply voltage, which simplifies the process of designing circuits and makes it suitable for use in applications that are powered by batteries.
  5. Common-Mode Input Range:It has a common-mode input voltage range that goes below the negative rail, which is another one of its enviable features. This function is particularly useful for applications in which the input voltage is subject to a broad range of changes.
  6. Low Noise:The TLC274CDR can run on a single supply voltage, simplifying circuit design and making it useful for battery-powered applications.
  7. High Input Impedance:The op-amp has a remarkable input impedance of 1012 ohms, which ensures that it does not overload the input signal source.
  8. ESD Protection:It has ESD protection circuitry built in to shield the op-amp and adjacent components from electrostatic discharge.
  9. Latch-Up Immunity:The latch-up immunity of the TLC274CDR is a design feature that contributes to the device’s overall reliability by making it more resistant to the effects of harsh electrical environments.


Because of its flexible features, the TLC274CDR is a good option for a broad variety of applications, including the following examples:

● Signal Conditioning:

When it comes to signal conditioning in measurement and instrumentation systems, the TLC274CDR is an excellent component to consider. Because of its precision and low noise qualities, the signals coming from a wide variety of sensors and transducers can be amplified and conditioned with a high degree of accuracy. This op-amp assists in maintaining signal integrity and fidelity regardless of whether you are working with temperature sensors, pressure transducers, or any other type of measuring instrument.

● Active Filters

In data acquisition systems, where the precision and stability of signal conditioning are of the utmost significance, the TLC274CDR plays a pivotal part in the signal conditioning process. The high input impedance and low offset voltage help to keep the data from being inaccurate, while the low offset voltage helps to keep the signal from degrading. This operational amplifier (op-amp) is an essential part of data gathering systems that are utilized in a variety of sectors, including research in the scientific community, industrial automation, and test and measurement.

● Data Acquisition Systems

When it comes to data acquisition systems, where the accuracy and consistency of signal conditioning are of the utmost significance, the TLC274CDR is an essential component. The high input impedance and low offset voltage ensure that the data that is measured is correct, and the low offset voltage prevents signal degradation. This operational amplifier (op-amp) is an essential part of the data acquisition systems that are utilized in a variety of different sectors, including scientific research, industrial automation, and test and measurement.

● Audio Amplification

When it comes to audio amplification circuits, the TLC274CDR is the component of choice for both audio fans and audio pros. Its low noise properties ensure that the audio output will be pure and undistorted. This op-amp ensures that the audio quality is maintained in a clean and noise-free state regardless of whether it is being used in high-fidelity amplifiers, professional audio equipment, or household audio systems.

● Sensor Interfaces

The TLC274CDR’s high input impedance and low noise properties are advantageous in applications requiring sensor interfacing.

To summarize, the TLC274CDR is a flexible quad operational amplifier that finds use in a variety of disciplines. Its ability to provide accurate signal conditioning, function as a critical component in active filters, ensure data precision in acquisition systems, improve audio amplification, and effectively interface with sensors make it a top choice for engineers and designers looking for high-quality amplification solutions. Whether you’re working on cutting-edge technologies or improving old designs, the TLC274CDR stands out as a dependable and efficient operational amplifier solution.


The TLC274CDR is an exceptional quad operational amplifier, seamlessly uniting precision, versatility, and reliability in one compact package. With a wide operating voltage range, ultra-low offset voltage, and minimal noise, it’s the ideal choice for various electronic applications, whether it’s precision measurement systems, high-quality audio gear, or advanced sensor interfaces.

In summary, this guide highlights the key features and applications of the TLC274CDR, emphasizing its importance in modern electronics. For more information and to purchase this outstanding device, contact ICRFQ, a leading electronic component distributor in China, and let them be your electronic solutions partner.

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