ADA4841-1

Low Power, Low Noise and Distortion, Rail-to-Rail Output Amplifier

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Product Details

The ADA4841-1 is a unity gain stable, low noise and distortion, rail-to-rail output amplifier that has a quiescent current of 1.5 mA maximum. Despite its low power consumption, this amplifier offers low wideband voltage noise performance of 2.1 nV/√Hz and 1.4 pA/√Hz current noise, along with excellent spurious-free dynamic range (SFDR) of -105 dBc at 100 kHz. To maintain a low noise environment at lower frequencies, the amplifier has low 1/f noise of 7 nV/√Hz and 13 pA/√Hz at 10 Hz.

The ADA4841-1 output can swing to less than 50 mV of either rail. The input common-mode voltage range extends down to the negative supply. The ADA4841-1 can drive up to 10 pF of capacitive load with minimal peaking.

The ADA4841-1 provides the performance required to efficiently support emerging 16-bit to 18-bit ADCs and are ideal for portable instrumentation, high channel count, industrial measurement, and medical applications. The ADA4841-1 is ideally suited to drive the AD7685/AD7686, 16-bit PulSAR ADCs.

The ADA4841-1 package features RoHS compliant lead finishes. The amplifier is rated to work over the industrial temperature range (−40°C to +125°C).

Product Lifecycle

checked Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Alternative Parts

Evaluation Kits

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EVAL-AD7768-4

EVAL-AD7768-4 Circuit Diagram

EVAL-AD7768-4 Photo

Product Details

The EVAL-AD7768-4FMCZ evaluation kit features the AD7768-4 24-bit, 256 kSPS, analog-to-digital converter (ADC). A 7 V to 9 V external bench top supply is regulated to 5 V and 3.3 V to supply the AD7768-4 and support components. The EVAL-AD7768-4FMCZ board connects to the USB port of the PC via a connection to the EVAL-SDP-CH1Z motherboard.


The AD7768-4 evaluation software fully configures the AD7768-4 device register functionality and provides dc and ac time domain analysis in the form of waveform graphs, histograms, and associated noise analysis for ADC performance evaluation.


The EVAL-AD7768-4FMCZ is an evaluation board that allows the user to evaluate the features of the ADC. The user PC software executable controls the AD7768-4 over a USB cable through the EVAL-SDP-CH1Z system demonstration platform (SDP).


Full specifications on the AD7768-4 are available in the product data sheet, which should be consulted in conjunction with this user guide when working with the evaluation board.

EVAL-HSAMP-1

Product Details

The Universal Single High Speed Amplifier Evaluation Boards are bare boards that enable users to quickly prototype a variety of amplifier circuits, which minimizes risk and reduces time to market. These boards are all RoHs Compliant. See ordering guide below on what board to order by lead count and package.

EVAL-AD7768

EVAL-AD7768 Circuit Diagram

EVAL-AD7768 Photo

Product Details

The EVAL-AD7768FMCZ evaluation kit features the AD7768 24-bit, 256 kSPS, analog-to-digital converter (ADC). A 7 V to 9 V external bench top supply is regulated to 5 V and 3.3 V to supply the AD7768 and support components. The EVAL-AD7768FMCZ board connects to the USB port of the PC via a connection to the EVAL-SDP-CH1Z motherboard.


The AD7768 evaluation software fully configures the AD7768 device register functionality and provides dc and ac time domain analysis in the form of waveform graphs, histograms, and associated noise analysis for ADC performance evaluation.


The EVAL-AD7768FMCZ is an evaluation board that allows the user to evaluate the features of the ADC. The user PC software executable controls the AD7768 over USB through the EVAL-SDP-CH1Z System Demonstration Platform (SDP).


Full specifications on the AD7768 are available in the product data sheet, which should be consulted in conjunction with user guide UG-917 when working with the evaluation board.

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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.

ADA4841-1 Material Declaration
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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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Evaluation Boards Pricing displayed is based on 1-piece.
Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.