ADA4891-3
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ADA4891-3

Low Cost CMOS, High Speed, Rail-to-Rail Amplifier (Triple)

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SPICE Model ADA4891 SPICE Macro Model Download 5.57 KB LTspice ADA4891-3 - Operational Amplifiers (Op Amps) Download 1.42 KB
Part Models 7
1ku List Price Starting From $1.09
Features
  • High speed and fast settling
    −3 dB bandwidth: 220 MHz (G = +1)
    Slew rate: 170 V/μs
    Settling time to 0.1%: 28 ns
  • Video specifications (G = +2, RL = 150 Ω)
    0.1 dB gain flatness: 25 MHz
    Differential gain error: 0.05%
    Differential phase error: 0.25°
  • Single-supply operation
    Wide supply range: 2.7 V to 5.5 V
    Output swings to within 50 mV of supply rails
  • Low distortion: 79 dBc SFDR at 1 MHz
  • Linear output current: 125 mA at −40 dBc
  • Low power:
    4.4 mA per amplifier
Additional Details
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The ADA4891-1 (single), ADA4891-2 (dual), ADA4891-3 (triple), and ADA4891-4 (quad) are CMOS, high speed amplifiers that offer high performance at a low cost. The amplifiers feature true single-supply capability, with an input voltage range that extends 300 mV below the negative rail.

In spite of their low cost, the ADA4891 family provides high performance and versatility. The rail-to-rail output stage enables the output to swing within 50 mV of each rail, enabling maximum dynamic range.

The ADA4891 family of amplifiers is ideal for imaging applications, such as consumer video, CCD buffers, and contact image sensor buffers. Low distortion and fast settling time also make them ideal for active filter applications.

The ADA4891-1/ADA4891-2/ADA4891-3/ADA4891-4 are available in a wide variety of packages.

The ADA4891-1 is available in 8-lead SOIC and 5-lead SOT-23 packages.

The ADA4891-2 is available in 8-lead SOIC and 8-lead MSOP packages.

The ADA4891-3 and ADA4891-4 are available in 14-lead SOIC and 14-lead TSSOP packages.

The amplifiers are specified to operate over the extended temperature range of −40°C to +125°C.

Applications
  • Imaging
  • Consumer video
  • Active filters
  • Coaxial cable drivers
  • Clock buffers
  • Photodiode preamp
  • Contact image sensor and buffers
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file View Data Sheet (Rev.F)
Documentation View All Documentation
SPICE Model ADA4891 SPICE Macro Model Download 5.57 KB LTspice ADA4891-3 - Operational Amplifiers (Op Amps) Download 1.42 KB
Part Models 7
1ku List Price Starting From $1.09
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ADA4891-3

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UPDATED 09/10/2015
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ADA4891-1/ADA4891-2/ADA4891-3/ADA4891-4: Low Cost CMOS, High Speed, Rail-to-Rail Amplifiers Data Sheet (Rev.F)

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UPDATED 08/02/2010
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ADA4891-1_ADA4891-2_ADA4891-3_ADA4891-4: 低価格、レールtoレール CMOS高速アンプ (Rev.C)

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UG-026：评估板用户指南 redirect icon

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UG-026: 14 ピンTSSOP パッケージ採用高速トリプル・オペアンプのユニバーサル評価用ボード redirect icon

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UG-114: Universal Evaluation Board for Triple, High Speed Op Amps Offered in 14-Lead SOIC Packages redirect icon

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UG-114：14引脚SOIC封装的三通道高速运算放大器通用评估板 redirect icon

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Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
ADA4891-3ARUZ 14-Lead TSSOP external-link
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  • Material Declaration external-link
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ADA4891-3ARUZ-R7 14-Lead TSSOP external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
ADA4891-3ARUZ-RL 14-Lead TSSOP external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
ADA4891-3ARZ 14-Lead SOIC external-link
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  • Material Declaration external-link
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ADA4891-3ARZ-R7 14-Lead SOIC external-link
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  • Material Declaration external-link
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ADA4891-3ARZ-RL 14-Lead SOIC external-link
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ADA4891-3WARUZ-R7 14-Lead TSSOP external-link
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Nov 23, 2010

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ADA4891-3ARZ-R7

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ADA4891-3ARZ-RL

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Software & Part Ecosystem

Evaluation Kits 1

EVAL-ADA4891-3

ADA4891-3 Evaluation Board

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EVAL-ADA4891-3

ADA4891-3 Evaluation Board

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EVAL-ADA4891-3
ADA4891-3 Evaluation Board
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Product Detail

These evaluation boards are designed to help users evaluate the ADA4891-3. The evaluation board is a BARE BOARD. There are no components or amplifiers soldered to the board. These parts must be obtained separately from the table below or on the product page. Free samples may also be requested. The unpopulated board enables users to quickly customize and prototype a variety of op amp circuits, which minimizes risk and reduces time to market.

 

The User Guide contains all the required documentation to build the board, including schematics, assembly drawing, and Bill of Materials

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UG-026: Evaluation Board User Guide Download

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EVAL-ADA4891-3

ADA4891-3 Evaluation Board

Tools & Simulations 4

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

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ADA4891-3 - Operational Amplifiers (Op Amps) Download

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