Part Number: THS4521IDGKR

Manufacturer: Texas Instruments


Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of THS4521IDGKR

Datasheet  THS4521IDGKR datasheet
Category Integrated Circuits (ICs)
Family Linear – Amplifiers – Instrumentation, OP Amps, Buffer Amps
Manufacturer Texas Instruments
Packaging Tape & Reel (TR)
Part Status Active
Amplifier Type Differential
Number of Circuits 1
Output Type Differential, Rail-to-Rail
Slew Rate 600 V/μs
Gain Bandwidth Product 95MHz
-3db Bandwidth 145MHz
Current – Input Bias 700nA
Voltage – Input Offset 240μV
Current – Supply 1.14mA
Current – Output / Channel 55mA
Voltage – Supply, Single/Dual (±) 2.5 V ~ 5.5 V, ±1.25 V ~ 2.75 V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118″, 3.00mm Width)
Supplier Device Package 8-VSSOP


When working with electronics, sometimes all you need is a single part to realize your whole vision. The Texas Instruments THS4521IDGKR op-amp is more than just a piece of hardware; it’s a trustworthy companion for engineers, amateurs, and anybody who enjoys tinkering with circuits. Here, we’ll take a user-centric approach to the THS4521IDGKR’s features, specs, and practical uses to help you make the most of it in your own endeavors.

Discovering the THS4521IDGKR

Your artistic and technical pursuits will benefit from the THS4521IDGKR op-amp because it is a flexible tool that was developed to empower those endeavors. Let’s take a more in-depth look at some of its most distinguishing characteristics, including:

● Fully Differential Architecture

The THS4521IDGKR is distinguished by its architecture that is entirely differential. Because of its design, it is capable of handling input signals with an extraordinary degree of precision, making it ideally suited for applications that place a premium on accuracy.

● Impressive Bandwidth

This operational amplifier has a bandwidth of 145 MHz and an AV (Voltage Gain) of 1 V/V, which enables it to handle a wide range of signal frequencies and ensures that the performance of your circuits is not compromised in any way.

● Lightning-Fast Slew Rate

The THS4521IDGKR has a remarkable slew rate of 490 V/s, which ensures quick signal transitions without distortion. This is a property that is essential for signal processing and high-speed applications.c

● Exceptional Harmonic Distortion

This operational amplifier is unrivaled in its ability to produce harmonic distortion. It is able to attain HD2 and HD3 values that are astonishingly low of –133 dBc and –141 dBc at 10 kHz, respectively (with 1 VRMS and RL = 1 k), which ensures that the signal will be reproduced in a manner that is clear and accurate.

● Ultra-Low Noise

The THS4521IDGKR is intended to keep your signals intact, with an input voltage noise of only 4.6 nV/√Hz (at f = 100 kHz). This makes it a great choice for situations where noise is very important.

● Outstanding THD+N

This op-amp has great Total Harmonic Distortion plus Noise (THD+N) performance, with a value of –112 dBc (0.00025%) at 1 kHz (with a 22-kHz bandwidth, gain of 1, and 5 VPP), making sure that high-quality signal processing happens without any distortion.

● Amplified Open-Loop Gain

The THS4521IDGKR has an open-loop gain of 119 dB (DC), which means it can easily boost weak signals, which improves signal quality.

● Versatile Input and Outpu

It has NRI (Negative Rail Input) and RRO (Rail-to-Rail Output), which make it flexible and compatible with many different uses. It also has Output Common-Mode Control with low offset, which makes it good for circuits that need to avoid common mode.

Engineers, artists, and people who like to come up with new ideas will love the THS4521IDGKR op-amp. It’s a flexible tool that can be used for many projects thanks to its fully differential design, high bandwidth, low distortion, and excellent noise performance. Take advantage of the THS4521IDGKR’s power, and you’ll see your circuits get more precise and clearer. It’s not just a practical amplifier; it’s the key to making great electronic designs.


Drives for Low-Power SAR and ¥£ ADCs: The THS4521IDGKR is an important part for running low-power Successive Approximation Register (SAR) and Delta-Sigma (¦¿) analog-to-digital converters (ADCs). Its high bandwidth, low distortion, and low noise make it a great choice for making sure accurate and fast data conversion, which is very important in situations like portable medical devices and monitors that run on batteries.

● Low-Power Differential Drivers

The THS4521IDGKR works very well as a low-power differential driver in situations where signals need to be sent over long distances or in noisy places. Its high slew rate and low harmonic distortion make sure that messages are sent correctly and without any loss. This makes it a great choice for automation and communication devices.

● Low-Power Differential Signal Conditioning

If you have weak or noisy data, this op-amp really shines as a signal conditioner. The THS4521IDGKR can handle even the weakest signals with accuracy and clarity thanks to its open-loop gain and very low noise. This is true whether it’s used in instrumentation or sensor interface circuits.

● Low-Power, High-Performance Differential Audio Amplifiers

The THS4521IDGKR is capable of delivering high-performance audio amplification, which is something that both amateur musicians and industry professionals can appreciate. Its ability to output from rail to rail, together with its minimal distortion and large bandwidth, guarantees a satisfying auditory experience. Whether you’re building amplifiers for audiophiles or portable music players, the sound quality that this op-amp produces is of the highest possible standard.

The operational amplifier THS4521IDGKR is not simply another piece of electronics; rather, it alters the way in which many activities are carried out. Because of its adaptability and ability to perform effectively in environments with low levels of power, it stands out as an alternative for engineers, designers, and inventors that puts people first. Acknowledge the capabilities of the THS4521IDGKR and discover how it may boost the accuracy, speed, and performance of your projects to previously unattainable levels. Not only is it an effective amplifier, but it is also indispensable for achieving achievement in circumstances that call for the very best.

Why Choose the THS4521IDGKR

With its wide supply voltage range, temperature tolerance, and single-channel design, the THS4521IDGKR is a great choice for both engineers and hobbyists. This op-amp can improve the performance of your project whether you’re making a math calculator, a sensor interface circuit, or an audio amplifier. To sum up, the THS4521IDGKR is a general-purpose operational amplifier that offers a wide range of applications.


The THS4521IDGKR transcends the typical confines of an op-amp, embodying a versatile instrument capable of elevating the performance of your electronic circuits and systems. Its remarkable attributes and remarkable adaptability firmly establish it as an indispensable addition to the toolkit of electronics engineers and enthusiasts alike. Embrace the capabilities of the THS4521IDGKR, and unleash the full potential of your forthcoming projects. To obtain further information and procure this exceptional IC, contact us at ICRFQ, a prominent electronic component distributor in China.

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