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AD8271:  Programmable Gain Precision Difference Amplifier

The AD8271 is a low distortion, precision difference amplifier with internal gain setting resistors. With no external components, it can be configured as a high performance difference amplifier with gains of ½, 1, or 2. It can also be configured in over 40 single-ended configurations, with gains ranging from −2 to +3.

The AD8271 comes in a 10-lead MSOP package. The AD8271 operates on both ...More

AD8271:  Programmable Gain Precision Difference Amplifier

Product Description

The AD8271 is a low distortion, precision difference amplifier with internal gain setting resistors. With no external components, it can be configured as a high performance difference amplifier with gains of ½, 1, or 2. It can also be configured in over 40 single-ended configurations, with gains ranging from −2 to +3.

The AD8271 comes in a 10-lead MSOP package. The AD8271 operates on both single and dual supplies and requires only a 2.6 mA maximum supply current. It is specified over the industrial temperature range of −40°C to +85°C and is fully RoHS compliant.

For a dual channel version of the AD8271, see the AD8270 data sheet.

Applications

  • ADC driver
  • Instrumentation amplifier building blocks
  • Level translators
  • Automatic test equipment
  • High performance audio
  • Sine/cosine encoders

    • Data Sheet, Rev PrA, 10/2008

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    • With no external resistors:
      Difference amp, gains of ½, 1, or 2
      Single-ended amplifier: over 40 different gains
      Set reference voltage at midsupply
    • Excellent ac specifications
      15 MHz bandwidth
      30 V/μs slew rate
    • High accuracy dc performance
      0.08% maximum gain error
      10 ppm/°C maximum gain drift
      80 dB minimum CMRR (gain of 2)
    • 10-lead MSOP package
    • Supply current: 2.6 mA
    • Supply range: ±2.5 V to ±18 V
    • Gain Range (min to max): 1.2
    • CMRR (dB): 80dB
    • Temperature Range: -40 to +85
    • Gain Error (%) max: +0.02%
    • Supply Current : 2.6mA
    • Package: MSOP
    • Vosi (µV): 600µV

    Functional Block Diagram for AD8271

    Circuits from the Lab

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    Similar Products

    arrow View Full Interactive Product Selection Table
    Part# # Channels Gain Range (min to max) Slew Rate Bandwidth G=10 (kHz typ) Rail-Rail Out Rail-Rail In CMRR (dB) Vcc-Vee Common Mode Range (V) Gain Error (%) max Gain temp co. Vosi (µV) VosiTC (µV/deg C) Input Vnoise THD+N (f=1kHz 10Vpp) (dB) Supply Current Price* (1000-4999)
    AD628 1 100 0.3V/µs 600 No Yes 75 4.5V to 36V +/- 120 +0.1 5ppm/C 1500 3 300nV/rtHz - 1.6mA $1.78
    AD629 1 1 2.1V/µs 500 No Yes 90 5V to 36V +/- 270 +0.03 10ppm/C 500 3 550nV/rtHz - 1mA $2.84
    AD8270 2 1.2 30V/µs - Yes Yes 76 5V to 36V -Vs-0.4 to +Vs+0.4 +0.05 10ppm/C 1000 2 38nV/rtHz 110 2.5mA $1.91
    AD8271 1 1.2 30V/µs - Yes Yes 80 5V to 36V -Vs-0.4 to +Vs+0.4 +0.02 2ppm/C 600 2 38nV/rtHz 110 2.6mA $1.25
    AD8273 2 2 20V/µs - No Yes 77 5V to 36V 3(-Vs)+4.5 to 3(Vs)-4.5 +0.03 2ppm/C 700 3 26nV/rtHz 112 2.5mA $1.67
    AD8274 1 2 20V/µs 10000 No Yes 77 5V to 36V 3(-Vs)+4.5 to 3(Vs)-4.5 +0.03 2ppm/C 700 3 26nV/rtHz 112 2.6mA $1.05
    AD8275 1 0.2 25V/µs - Yes Yes 86 3.3V to 15V +/-12 +0.024 1ppm/C 500 2.5 40nV/rtHz 106 2.3mA $1.60
    AD8277 2 1 1.1V/µs - Yes Yes 86 2V to 36V 2(-Vs)-0.2 to 2(Vs)-3 +0.02 1ppm/C 200 0.5 65nV/rtHz - 0.4mA $1.60
    AD8278 1 2 1.4V/µs - Yes Yes 80 2V to 36V 3(-Vs)-0.3 to 3(Vs)-4.5 +0.02 1ppm/C 100 0.3 47nV/rtHz - 0.2mA $0.95
    AMP03 1 1 9.5V/µs - No Yes 85 12V to 36V +/- 20 +0.008 - 400 - 90nV/rtHz - 2.5mA $2.81
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    * The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
    ** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.

    Pricing, Packaging & Availability

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    For detailed drawings and chemical composition please consult our  Package Site

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    Temperature Range
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    • 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
    Price
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    RoHS Compliant
    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.

    View PCN
    This is the list of Product Change Notifications (PCN) published on the web for this model. Click on the link to access PCN Information.Only select pre-2009 PCN�s are available on-line. To obtain a pre-2009 PCN, contact your ADI Sales Rep. For more information on ADI's PCN process, please visit our PCN Policy Statement page

    *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.