ADA4841-2

PRODUCTION

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

Data Sheet (Rev. G) Product Selection Table
Part Models
10
1ku List Price
Starting From $2.73
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Part Details

  • Low power: 1.1 mA/amp
  • Low wideband noise
    • 2.1 nV/√Hz
    • 1.4 pA/√Hz
  • Low 1/f noise
    • 7 nV/√Hz @ 10 Hz
    • 13 pA/√Hz @ 10 Hz
  • Low distortion: −105 dBc @ 100 kHz, VO = 2 V p-p
  • High speed
    • 80 MHz, −3 dB bandwidth (G = +1)
    • 12 V/μs slew rate
    • 175 ns settling time to 0.1%
  • Low offset voltage: 0.3 mV maximum
  • Rail-to-rail output
  • Power down
  • Wide supply range: 2.7 V to 12 V
ADA4841-2
Low Power, Low Noise and Distortion, Rail-to-Rail Output Amplifier
ADA4841-2 Pin Configuration ADA4841-2 Pin Configuration ADA4841-2 Pin Configuration ADA4841-2 Circuit Diagram
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Documentation

Data Sheet 2

User Guide 3

Application Note 7

Technical Articles 1

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Hardware Ecosystem

Parts Product Life Cycle Description
ADA4805-2
RECOMMENDED FOR NEW DESIGNS Dual, 0.2 µV/°C Offset Drift, 105 MHz Low Power, Low Noise, Rail-to-Rail Amplifier
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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

  • ADA4841

Precision ADC Driver Tool

The Precision ADC Driver Tool is a web application that simulates the performance of precision ADC and driver combinations. Potential issues with driver selection, kickback settling, and distortion are flagged, and design tradeoffs can be quickly evaluated. Simulations and calculations include system noise, distortion, and settling of the ADC input

Open Tool

SPICE Model 1

Power Dissipation vs Die Temp

This tool estimates die temperature and power dissipation based on the supply voltages, ambient temperature, load characteristics, and package thermal data.

Open Tool

Analog Filter Wizard

Use the Analog Filter Wizard to design low-pass, high-pass, or band-pass filters with actual op amps in minutes. As you progress through the design process, you can observe the characteristics of your filter design from ideal specifications to real world circuit behavior. Quickly evaluate the tradeoffs in op amp specifications - including gain-bandwidth, noise, and supply current – to determine the best filter design for your requirements.

Open Tool

Analog Photodiode Wizard

Use Photodiode Wizard to design a transimpedance amplifier circuit to interface with a photodiode. Select a photodiode from the library included in the tool, or enter custom photodiode specifications. Quickly observe tradeoffs between Bandwidth, Peaking (Q), and ENOB/SNR. Modify circuit parameters, and immediately see results in plots for pulse response, frequency response, and noise gain.

Open Tool

VRMS/dBm/dBu/dBV calculators

A utility to convert between standard units of power measurement and signal strength.

Open Tool
LTspice

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.

Evaluation Kits

eval board
schematic 1
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schematic 3
schematic 4
AMC-ADA4841-2ARMZ

Amplifier Mezzanine Card for ADA4841-2

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Features and Benefits

  • Enables quick breadboarding and prototyping
  • User defined circuit configuration
  • Easy connection to other ADC evaluation boards

Product Details

The Analog Devices, Inc., amplifier mezzanine card (AMC) analog-to-digital converter (ADC) driver evaluates the performance of amplifiers in 8-lead, single and dual SOIC, 6-lead single SOT23, 8-lead dual MSOP, and 16-lead LFCSP packages. This add on board can be inserted on ADC evaluation boards using its 7-pin header. Figure 1 shows the AMC mounted on an Analog Devices, Inc., ADC evaluation board.

The AMC can support any of Analog Devices operational amplifiers and ADC drivers in different packages. The user can configure the ADC driver as a Sallen-Key low-pass, high-pass, or band-pass filter, as a multiple feedback low-pass, high-pass, or band-pass filter, or as an inverting and noninverting operational amplifier. The user can also configure the AMC to drive a single-ended, fully differential, or a single-ended signal to a differential ADC.

Optimized power and ground planes ensure low noise and high speed operation. Component placement and power supply bypassing are optimized for maximum circuit flexibility and performance. The AMC evaluation board accepts 0402 or 0603 surface mount technology (SMT) components, 1206 bypass capacitors, and 2.54 mm headers.

All components are placed on the primary side. No components are placed on the secondary side.

eval board
schematic 5
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schematic 7
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schematic 9
EVAL-HSAMP-2

Universal Evaluation Board for Dual High Speed Operational Amplifiers

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Product Details

The Universal Dual High Speed Amplifier Evaluation Boards are bare boards that enables 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.

Resources
AMC-ADA4841-2ARMZ
Amplifier Mezzanine Card for ADA4841-2
AMC-ADA4XXX-2ARMZANGLE UG-1224 Image AMC-ADA4XXX-2ARMZBOTTOM AMC-ADA4XXX-2ARMZTOP
EVAL-HSAMP-2
Universal Evaluation Board for Dual High Speed Operational Amplifiers
EVAL-HSAMP-2 Group EVAL-HSAMP-2CPZ-10 EVAL-HSAMP-2RMZ-10 EVAL-HSAMP-2RMZ-8 EVAL-HSAMP-2RZ-8

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