TL081 datasheet(29/66 Pages) TI

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8 Detailed Description

8.1 Overview

The TL08xH family (TL081H, TL082H, and TL084H) is the next-generation family of the industry standard TL08x

(TL081, TL082, and TL084) high-voltage general purpose amplifiers. These devices provide outstanding value

for cost-sensitive applications requiring high slew rate with high voltage signals, such as motor drive and inverter

systems.

A robust MUX-friendly input stage enhances flexibility in design, with common-mode voltage range extending to

the positive rail as well as improved settling time in multi-channel applications. Low offset voltage (1 mV, typ) and

low offset voltage drift (2 µV/°C) allows the TL08xH family to be used in rugged applications requiring precision

current and voltage sensing. High voltage operation (up to 40 V) and high slew rate (20 V/µs) make the TL08xH

family a premier choice for high-voltage applications with fast transients.

8.2 Functional Block Diagram

VCC +

IN +

VCC −

OFFSET N1

1080

Ω

1080

Ω

IN −

TL081 Only

Ω

128

Ω

OUT

OFFSET N2

8.3 Feature Description

8.3.1 Total Harmonic Distortion

Harmonic distortions to an audio signal are created by electronic components in a circuit. Total harmonic

distortion (THD) is a measure of harmonic distortions accumulated by a signal in an audio system. These

devices have a very low THD of 0.003% meaning that the TL08x devices will add little harmonic distortion when

used in audio signal applications.

8.3.2 Slew Rate

The slew rate is the rate at which an operational amplifier can change its output when there is a change on the

input. These devices have a 13-V/μs slew rate.

8.4 Device Functional Modes

These devices are powered on when the supply is connected. This device can be operated as a single-supply

operational amplifier or dual-supply amplifier depending on the application.

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TL081, TL081A, TL081B

TL082, TL082A, TL082B, TL084, TL084A, TL084B, TL084H

SLOS081J – FEBRUARY 1977 – REVISED NOVEMBER 2020

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Product Folder Links: TL081 TL081A TL081B TL082 TL082A TL082B TL084 TL084A TL084B TL084H

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