Effective Inventory30,000

Fully differential amplifier with extremely low power consumption

Quality Assurance

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

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We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

Shipping & Payment

About Shipping

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.



Tape and Reel

Tape and Reel

Cut Tape

Cut Tape

Tube or Tray

Tube or Tray

THS4521IDGKR DataSheet

Pricing (USD)

Quantity Unit Price Ext. Price
1 $2.717 $2.72
10 $2.358 $23.58
30 $2.145 $64.35
100 $1.930 $193.00
500 $1.829 $914.50
1000 $1.784 $1,784.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

Rapid Quote

Please submit RFQ for THS4521IDGKR or email to us: Email: [email protected], we will contact you in 12 hours.


Featuring a low quiescent current of only 3.8mA per channel, the THS4521IDGKR offers excellent power efficiency, making it suitable for power-sensitive applications. Additionally, its high linearity and low distortion ensure that the amplified signals remain faithful to the original input, making it an excellent choice for high-fidelity audio and precision measurement applications


Key Features

  • This operational amplifier is ideal for high-performance applications requiring high speed and accuracy
  • Limited noise and distortion levels ensure reliable signal processing
  • Unity-gain stable with high slew rate for fast response times


  • Quality in communications systems
  • Versatile in various applications


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.5
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 BW at Acl (MHz) 145
Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 490
Architecture Bipolar, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 4.6
Iq per channel (typ) (mA) 1.14 Rail-to-rail In to V-, Out
Vos (offset voltage at 25°C) (max) (mV) 2 Operating temperature range (°C) -40 to 85
Iout (typ) (mA) 55 2nd harmonic (dBc) 133
3rd harmonic (dBc) 141 Frequency of harmonic distortion measurement (MHz) 0.001
GBW (typ) (MHz) 95 Input bias current (max) (pA) 900000
Features Shutdown CMRR (typ) (dB) 102
Rating Catalog

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification THS4521IDGKR PDF Download


What is THS4521IDGKR?

The THS4521IDGKR is a high-speed, low-power, fully differential amplifier designed by Texas Instruments. It is ideal for applications requiring high-speed signal amplification, such as communication systems, medical imaging, and test and measurement equipment.

How Does THS4521IDGKR Work?

The THS4521IDGKR functions as a fully differential amplifier capable of high-speed signal processing. It amplifies differential input signals with precision and low distortion, making it suitable for applications demanding high-fidelity signal amplification. The amplifier features a wide bandwidth and low noise, ensuring signal integrity in high-speed circuits.

How Many Pins does THS4521IDGKR have and What are the Functions of the Pinout Configuration?

The THS4521IDGKR is housed in a 8-pin VSSOP (Very Small Outline Package) package. The pinout configuration includes:

  • VCC: Power supply pin.
  • VO-: Negative output pin.
  • VO+: Positive output pin.
  • VRR+: Positive differential input pin.
  • VRR-: Negative differential input pin.
  • VS-: Negative power supply pin.
  • VS+: Positive power supply pin.
  • VGND: Ground pin.

What are the Pros and Cons of THS4521IDGKR?


  • High-Speed Performance: Capable of high-speed signal processing, suitable for demanding applications.
  • Low Power Consumption: Operates with low power, ideal for battery-powered devices.
  • Wide Bandwidth: Provides a wide bandwidth for signal fidelity in high-frequency applications.
  • Low Distortion: Ensures signal integrity with low distortion for accurate amplification.
  • Small Form Factor: The VSSOP package is compact, saving board space in designs.


  • Complex Application: May require careful consideration of layout and grounding for optimal performance.
  • Higher Cost: High-performance amplifiers like the THS4521IDGKR may come at a higher price point.
  • External Components: Additional external components may be needed for specific applications.

Are There Any Equivalents/Alternatives to THS4521IDGKR for Recommendation?

  • The THS4521 from Texas Instruments is an equivalent to the THS4521IDGKR with similar features.
  • Alternatives to the THS4521IDGKR include the ADA4932-4 from Analog Devices and the LMH5401 from Texas Instruments.

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