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ADA4841-2:  Dual Low Power, Low Noise and Distortion, Rail-to-Rail Output Amplifier

The ADA4841-2 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 ...More

ADA4841-2:  Dual Low Power, Low Noise and Distortion, Rail-to-Rail Output Amplifier

Product Description

The ADA4841-2 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 ADA4841-2 output can swing to less than 50 mV of either rail. The input common-mode voltage range extends down to the negative supply. The ADA4841-2 can drive up to 10 pF of capacitive load with minimal peaking.

The ADA4841-2 packages feature Pb-free lead finish. The amplifier is rated to work over the industrial temperature range (-40°C to +125°C).

RESOURCES & TOOLS

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  • 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)
    13 V/µs slew rate
    175 ns settling time to 0.1%
  • Low offset voltage 0.3 mV max
  • Rail-to-rail output
  • Power down
  • Wide supply range: 2.7 V to 12 V
  • -3dB Bandwidth: 80MHz
  • Slew Rate: 13V/µs
  • Vos: 40µV
  • Ib: 3µA
  • Input Noise (nV/rtHz): 2.1nV/rtHz
  • Vcc-Vee Supply (V): 2.7 to 12
  • Iq per Amplifier: 1.5mA
  • # OpAmps per Pkg: 2
  • Operating Temp Range: -40 to +125
  • Packages: SOIC,SOP

Pin Configuration Diagram for ADA4841-2

Similar Products

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Part# Small Signal Bandwidth Slew Rate Vos Ib V Noise Density Amplifiers Per Package Widest Temp Range (°C)
ADA4841-2 80MHz 13V/µs 40µV 3µA 2.1nV/rtHz 2 -40 to +125
AD8599 10MHz 16.8V/µs 10µV 25nA 1.15nV/rtHz 2 -40 to +125
ADA4841-1 80MHz 13V/µs 40µV 3µA 2.1nV/rtHz 1 -40 to +125
OP262 15MHz 13V/µs 25µV 260nA 9.5nV/rtHz 2 -40 to +125
ADA4899-1 600MHz 310V/µs 35µV 100nA 1nV/rtHz 1 -40 to +125
ADA4898-1 65MHz 55V/µs 20µV 100nA 900pV/rtHz 1 -40 to +105
ADA4851-2 130MHz 375V/µs 600µV 2.2µA 10nV/rtHz 2 -40 to +125
ADA4850-2 175MHz 220V/µs 600µV 2.3µA 10nV/rtHz 2 -40 to +125
AD8652 50MHz 41V/µs 100µV 1pA 5nV/rtHz 2 -40 to +125
AD8030 125MHz 62V/µs 1.6mV 700nA 16.5nV/rtHz 2 -40 to +125
AD8052 110MHz 170V/µs 1.7mV 1.4µA 16nV/rtHz 2 -40 to +125
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For detailed drawings and chemical composition please consult our  Package Site

Pin Count
Pin Count is the number of pins, balls, or pads on the device. Pin-out diagrams & pin function descriptions may be found in the datasheet.

Temperature Range
This is the acceptable operating range of the device. The various ranges specified are as follows:
  • Commercial: 0 to +70 degrees Celsius
  • Military : -55 to +125 degrees Celsius
  • Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
  • Automotive: -40 to +125 degrees Celsius
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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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Due to environmental concerns, ADI offers many of our products in lead-free versions. For more information about lead-free parts, please consult our Pb (Lead) free information page.

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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.
**Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.