TLC27L4ACDRG4

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The TLC27L4ACDRG4 is a dual operational, low-power amplifier from Texas Instruments. This device is suitable for a variety of applications including driving unbalanced, AC-coupled, differential inputs and powering dual-supply op amps. It has a power dissipation of 1.45W (de-rating for elevated temperature) and a wide common mode input voltage range of VSS to VDD2. The TLC27L4ACDRG4 is optimized for operation in the ±4.5V to ±18V supply range and is available in a standard SOIC package.

Application Field

The TLC27L4ACDRG4 is suitable for use in a wide range of instrumentation, precision voltage amplification, and control circuitry. The amplifier is designed to drive both AC and DC-coupled, unbalanced, single-ended and differential inputs. It is optimized for use in applications such as process control, communication systems, audio preamplifiers, power and data acquisition, and control circuits. This device can also be used in applications where low power and wide common-mode voltage ranges are required.

Working Principle

The TLC27L4ACDRG4 working principle relies on the integration of an input stage and output stage. The input stage consists of an amplifier with low offset and large common-mode input range. The output section consists of a differential amplifier with reactive current source compensation. This mechanism and its associated compensation circuitry help reduce output limitation. The output stage provides up to 13V/μs of slew rate and 460kHz of gain bandwidth. The amplifier is designed to operate with high immunity to power supply noise and supply line transients, while maintaining excellent power supply rejection ratio and low noise.

The TLC27L4ACDRG4 is suitable for use in a variety of applications because of its low quiescent current, low distortion, and excellent temperature stability. The devices’ use of a wide common mode input voltage range makes it suitable for both balanced and DC-stabilized systems. By varying the supply voltage, the performance of the amplifier can be optimized to suit the application. In addition, its high bandwidth, low distortion, and fast transient response make it suitable for a variety of applications.

The TLC27L4ACDRG4 is a dual operational amplifier ideal for a wide range of instrumentation, precision voltage amplification, and control circuitry. Its use of low power consumption, wide common-mode input voltage range, and high precision make it suitable for a variety of applications. Its integration of an input stage and output stage enables it to achieve excellent noise and power supply rejection, while maintaining very low quiescent current, low distortion, and excellent temperature stability.

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