TLC279CDR

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TLC279CDR Application Field and Working Principle

The TLC279CDR is a low-power quad operational amplifier designed for various applications such as instrumentation amplifiers, discrete time filters, text amplifiers, and sound mixing. The device has a wide operating temperature range of -40 to +85 Celsius and is suitable for temperatures from -40 to +125 Celsius in industrial applications. It has a supply voltage of 4.75V to 36V and a shutdown current of 25uA. It has a high open-loop gain of 90dB and a slew rate of 10V/ms, making it suitable for a wide range of applications.

Features

• Low-power quad operational amplifier
• Wide operating temperature range of -40 to +85 degrees Celsius
• Supply voltage of 4.75V to 36V
• High open-loop gain of 90dB
• Slew rate of 10V/ms
• Shutdown current of 25uA

Applications

• Instrumentation amplifiers
• Discrete time filters
• Text amplifiers
• Sound mixing

Working Principle

The TLC279CDR is a class AB amplifier which consists of four NPN bipolar transistors connected in an operational amplifier configuration. The input voltages are fed to the bases of the transistors to drive their collector current. The collector current of the transistors is amplified by the base-emitter voltage, thus producing the output voltage. The outputs of the amplifier transistors are then combined and fed to a resistor network which provides the necessary feedback to maintain the linear operation of the amplifier.

The TLC279CDR has a high open-loop gain of 90dB, which is sufficient for most applications. The device also has a high input impedance and low output impedance which makes it suitable for wide range of applications. The device is also capable of driving loads up to 10mA, which is sufficient for most applications.

The TLC279CDR has a slew rate of 10V/ms, which makes it suitable for driving capacitive loads and providing wide bandwidths. The device also has a low power consumption, making it suitable for battery powered applications. The device also has a shutdown mode which reduces its power consumption to 25uA. Thus the device makes it very suitable for portable applications.

The TLC279CDR is a versatile device and can be used in a variety of applications such as amplifiers, filters, signal conditioners and sound mixing. It also has an excellent temperature range and wide voltage range, making it suitable for use in industrial and automotive applications.

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