TLC2272AIPG4

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The TLC2272AIPG4 is a high-performance, rail-to-rail, low-voltage CMOS operational amplifier. It is part of Texas Instruments\' wide range of operational amplifiers which serve various application fields, providing a comprehensive selection of operational amplifiers with varying specifications and operating principles. The TLC2272AIPG4 is part of the Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps category and it is suitable for instrumentation applications requiring a wide supply voltage range and low input offset voltage.

The TLC2272AIPG4 features a wide supply voltage range, low offset voltage and low power. The combined features of the device make it an ideal choice for instrumentation applications such as low-power, consumer, and medical applications.

It is important to note that the linearity of the TLC2272AIPG4 is good even at low supply voltages. The device achieves a DC accuracy of 0.1% at 5 V and 0.5% at 3 V. With a low noise floor of 135 nV/√Hz, the TLC2272AIPG4 provides good signal-to-noise performance for low-noise applications. Additionally, the wide supply range of the device enables it to operate at 2.5V up to 16V.

The TLC2272AIPG4 features rail-to-rail input/output capability, which is essential in instrumentation applications. The device offers excellent input/output swing, providing a +14.2V to -14.2V range. This provides good dynamic performance in demanding applications. Additionally, the TLC2272AIPG4 can support load capacitances of up to100 nF.

The TLC2272AIPG4 has a wide range of power saving features. It operates with a low supply current of 6.6 mA/amplifier per channel, with the ability to reduce the supply current to 1.3 mA/amplifier per channel using the power save mode. This brings the supply current range to 4.2 mA/amplifier per channel. This allows the device to be used in applications where power savings are essential.

The internal structure of the TLC2272AIPG4 follows the common architecture of fully-differential CMOS operational amplifiers which comprises a preamplifier and a phase splitter, each containing two series connected transistors. The preamplifier has two input transistors connected in differential configuration, biased with the appropriate current source. The phase splitter has a pair of PMOS transistors connected in a differential configuration, providing the differential signal from the input signal. The common-mode voltage of the signal is regulated by an active feedback control loop that uses the current flowing through the input transistors. This loop also adjusts the offset voltage and nulls the DC voltage at the output of the amplifier.

The TLC2272AIPG4 is an excellent choice for instrumentation applications that require a low noise floor, rail-to-rail input/output capability, a wide supply voltage range, and low power consumption. Additionally, its low offset voltage, good linearity, and wide bandwidth make it suitable for precision applications such as sensors, data acquisition, and other applications.

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