THS3491IDDAR The Texas Instruments THS3491IDDAR is a high-performance current feedback amplifier. It offers a 900 MHz bandwidth and a fast slew rate of 8000 V/µs.
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THS3491IDDAR

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Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments THS3491IDDAR is a high-performance current feedback amplifier. It offers a 900 MHz bandwidth and a fast slew rate of 8000 V/µs.
✓ Total Stock: 7,953 pcs

THS3491IDDAR Available from 1 distributor

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THS3491IDDAR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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THS3491IDDAR Description

Short technical summary and product information.

The THS3491IDDAR from Texas Instruments is a 900-MHz high-power output current-feedback amplifier designed for demanding applications. It features a wide bandwidth of 900 MHz at 5 V/V gain and a rapid slew rate of 8000 V/µs, enabling fast signal transitions.

 

This amplifier operates with a total supply voltage ranging from 14 V to 32 V. It provides a significant output current capability of up to ±420 mA typical and an output swing of 28 VPP with a 100-Ω load. The input voltage noise is low at 1.7 nV/√Hz.

 

Available in VQFN, HSOIC, and DIE packages, the THS3491IDDAR is suitable for surface mount applications. It includes features such as current limit and thermal shutdown protection, as well as a power-down mode for power efficiency. The operating temperature range is -40°C to 85°C.

 

Key electrical characteristics include a typical quiescent current per channel of 17.1 mA and a maximum offset voltage of 2 mV at 25°C. Harmonic distortion is kept low, with 2nd and 3rd harmonic distortion below -75 dBc at 50 MHz.

THS3491IDDAR Quick Information

Product Type: Current Feedback Amplifier
Canonical Name: THS3491IDDAR Current Feedback Amplifier
Subcategory: Current Feedback Amplifiers

THS3491IDDAR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

THS3491IDDAR Features

  • 900-MHz bandwidth for high-speed applications.
  • 8000 V/µs slew rate for fast signal response.
  • ±420 mA typical output current capability.
  • Wide supply voltage range supported.
  • Includes current limit and thermal protection.

THS3491IDDAR Applications

  • Suitable for high-frequency signal processing.
  • Ideal for power amplifier stages.
  • Used in high-speed data acquisition.
  • Applicable in active filters.

THS3491IDDAR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the THS3491IDDAR?

The THS3491IDDAR can operate from a single supply of 14 V to 32 V or from dual supplies of ±7 V to ±16 V.

What package options are available for the THS3491IDDAR?

The THS3491IDDAR is available in VQFN, HSOIC, and die (DIE) packages.

What is the operating temperature range of the THS3491IDDAR?

The operating temperature range is -40°C to 85°C.

What is the bandwidth of the THS3491IDDAR?

The bandwidth is 900 MHz (typical) at 2 VPP output and gain of 5 V/V.

What is the slew rate of the THS3491IDDAR?

The slew rate is 8000 V/µs (typical) for a 20 VPP output step.

What is the input voltage noise of the THS3491IDDAR?

The input voltage noise is 1.7 nV/√Hz (typical) at flatband and 3 nV/√Hz at 1 kHz.

What protection features does the THS3491IDDAR include?

The amplifier includes current limit and thermal shutdown protection, and a power down feature.

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