TLV4171ID

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TLV4171ID is a multipurpose instrumentation amplifier that belongs to the Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps family. It is an integrated circuit (IC) amplifying device designed to operate in several different applications. This IC features multiple differential amplifiers, each adjustable for gain down to unity, and an output driver for creating an overall gain up to 3.3V/V.

The TLV4171ID has two differential inputs and a single-ended output. The overall gain of the amplifier is controlled by a few pins on the device. The differential gain (gain between two different input signals) is adjustable from 0 to 3.3V/V with the GAINX pin. The overall gain is adjustable from unity to 3.3V/V with the GAINY pin. The gain could be adjusted using a resistor network on the GAINX and GAINY pins.

The TLV4171ID also features an internal offset voltage adjuster. The adjuster helps to reduce input related 0 drift and offset voltage. The offset adjuster is adjustable via pins of the device, allowing for additional gain accuracy and stability. The offset adjuster can be adjusted to control the output voltage from 0.5V to 3V.

The TLV4171ID features an output driver to provide improved linearity and low distortion. The output driver is adjustable with a voltage divider network on the DRVH and DRVL pins. The DRVH and DRVL pins can also be used to adjust the output swing. By varying the ratio of the voltage divider, the output swing can be adjusted from 0.5V to 3V.

The TLV4171ID has two different power supply options. It can be powered with a single supply such as 3.3V or 5V. The device is also capable of being powered with dual supplies such as ±5V or ±15V. The single supply range for the TLV4171ID is from 3.3V to 5.5V, while the dual supply range is from ±5V to ±15V.

The TLV4171ID features a high common-mode rejection ratio (CMRR) of 64 dB at 1MHz. The CMRR is a measure of how well the amplifier rejects signals in the common mode, which is one of the important parameters for instrumentation amplifiers. The CMRR of the TLV4171ID helps to ensure reliable performance even in noisy and high-frequency environments.

The TLV4171ID also has an input common-mode range of 0V to Vcc-1.5V in single supply operation and ±Vcc/2 to Vcc in dual supply operation. This range ensures that the device can be used with a wide variety of input signals. The input common-mode range also helps to reduce false inputs and improve the accuracy of the amplifier.

In summary, the TLV4171ID is a flexible, multipurpose instrumentation amplifier featuring multiple differential amplifiers, adjustable gain, adjustable CMRR, adjustable output swing and adjustable offset. These features allow for a wide range of applications, from sensor signal conditioning to monitoring and test. The TLV4171ID is an ideal device for measurement and control applications, especially where a low-noise, precise amplifier is required.

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