AD8221
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AD8221

Precision Instrumentation Amplifier

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Info: : PRODUCTION tooltip
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Part Details
Part Models 12
1ku List Price Starting From $2.86
Features
  • Available in space-saving MSOP
  • Gain set with 1 external resistor (gain range 1 to 1000)
  • Wide power supply range: ±2.3 V to ±18 V
  • Temperature range for specified performance: −40°C to +85°C
  • Operational up to 125°C
  • Excellent AC specifications
    • 80 dB minimum CMRR to 10 kHz (G = 1)
    • 825 kHz, –3 dB bandwidth (G = 1)
    • 2 V/µs slew rate
  • See data sheet for additional features
  • Download AD8221-KGD Data Sheet
  • Available As Known Good Die and fully guaranteed to data sheet specifications
AD8221-EP supports defense and aerospace applications (AQEC standard)
  • Download AD8221-EP Data Sheet
  • Military temperature range (−55°C to +125°C)
  • Controlled manufacturing baseline
  • One assembly/test site
  • One fabrication site
  • Enhanced product change notification
  • Qualification data available on request
  • V62/16619 DSCC Drawing Number
Additional Details
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The AD8221 is a gain programmable, high performance instrumentation amplifier that delivers the industry’s highest CMRR over frequency in its class. The CMRR of instrumentation amplifiers on the market today falls off at 200 Hz. In contrast, the AD8221 maintains a minimum CMRR of 80 dB to 10 kHz for all grades at G = 1. High CMRR over frequency allows the AD8221 to reject wideband interference and line harmonics, greatly simplifying filter requirements. Possible applications include precision data acquisition, biomedical analysis, and aerospace instrumentation.

Low voltage offset, low offset drift, low gain drift, high gain accuracy, and high CMRR make this part an excellent choice in applications that demand the best dc performance possible, such as bridge signal conditioning.

Programmable gain affords the user design flexibility. A single resistor sets the gain from 1 to 1000. The AD8221 operates on both single and dual supplies and is well suited for applications where ±10 V input voltages are encountered.

The AD8221 is available in a low cost 8-lead SOIC and 8-lead MSOP, both of which offer the industry’s best performance. The MSOP requires half the board space of the SOIC, making it ideal for multichannel or space-constrained applications.

Performance is specified over the entire industrial temperature range of −40°C to +85°C for all grades. Furthermore, the AD8221 is operational from −40°C to +125°C*.

Applications

  • Weigh scales
  • Industrial process controls
  • Bridge amplifiers
  • Precision data acquisition systems
  • Medical instrumentation
  • Strain gages
  • Transducer interfaces
Part Models 12
1ku List Price Starting From $2.86

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
AD8221AC-P7
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AD8221ARMZ
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AD8221ARMZ-R7
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AD8221ARMZ-RL
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AD8221ARZ
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AD8221ARZ-R7
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AD8221ARZ-RL
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AD8221BRZ
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AD8221BRZ-R7
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AD8221BRZ-RL
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AD8221TRMZ-EP
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AD8221TRMZ-EP-R7
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Product Lifecycle

PCN

Mar 22, 2021

- 21_0001

Addition of Amkor Philippines as an Alternate Site for Singulated MSOP and MSOP_EP

AD8221ARMZ

PRODUCTION

AD8221ARMZ-R7

PRODUCTION

AD8221ARMZ-RL

PRODUCTION

Jan 5, 2015

- 14_0246

Qualification of ASE Chungli, as an Alternate Assembly Site for Select MSOP Devices

AD8221ARMZ

PRODUCTION

AD8221ARMZ-R7

PRODUCTION

AD8221ARMZ-RL

PRODUCTION

May 15, 2012

- 10_0006

Halogen Free Material Change for mini SOIC Products

AD8221ARMZ

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AD8221ARMZ-R7

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AD8221ARMZ-RL

PRODUCTION

Sep 9, 2009

- 07_0083

Polyimide Change

AD8221ARMZ

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AD8221ARZ

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AD8221ARZ-R7

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AD8221ARZ-RL

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AD8221BRZ

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AD8221BRZ-RL

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Aug 19, 2009

- 07_0024

Package Material Changes for SOT23, MiniSO, MQFP, PDIP, PLCC, SOIC (narrow and wide body), SSOP, TSSOP and TSSOP exposed pad

AD8221ARMZ

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AD8221ARMZ-R7

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AD8221ARMZ-RL

PRODUCTION

AD8221ARZ

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AD8221ARZ-R7

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AD8221ARZ-RL

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Mar 25, 2021

- 21_0080

Amkor Philippines as an Alternate Site for SOICN

AD8221ARZ

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AD8221ARZ-R7

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AD8221ARZ-RL

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Mar 22, 2021

- 21_0001

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Addition of Amkor Philippines as an Alternate Site for Singulated MSOP and MSOP_EP

AD8221ARMZ

PRODUCTION

AD8221ARMZ-R7

PRODUCTION

AD8221ARMZ-RL

PRODUCTION

Jan 5, 2015

- 14_0246

arrow down

Qualification of ASE Chungli, as an Alternate Assembly Site for Select MSOP Devices

AD8221ARMZ

PRODUCTION

AD8221ARMZ-R7

PRODUCTION

AD8221ARMZ-RL

PRODUCTION

May 15, 2012

- 10_0006

arrow down

Halogen Free Material Change for mini SOIC Products

AD8221ARMZ

PRODUCTION

AD8221ARMZ-R7

PRODUCTION

AD8221ARMZ-RL

PRODUCTION

Sep 9, 2009

- 07_0083

arrow down

Polyimide Change

AD8221ARMZ

PRODUCTION

AD8221ARMZ-R7

PRODUCTION

AD8221ARMZ-RL

PRODUCTION

AD8221ARZ

PRODUCTION

AD8221ARZ-R7

PRODUCTION

AD8221ARZ-RL

PRODUCTION

AD8221BRZ

PRODUCTION

AD8221BRZ-R7

PRODUCTION

AD8221BRZ-RL

PRODUCTION

Aug 19, 2009

- 07_0024

arrow down

Package Material Changes for SOT23, MiniSO, MQFP, PDIP, PLCC, SOIC (narrow and wide body), SSOP, TSSOP and TSSOP exposed pad

AD8221ARMZ

PRODUCTION

AD8221ARMZ-R7

PRODUCTION

AD8221ARMZ-RL

PRODUCTION

AD8221ARZ

PRODUCTION

AD8221ARZ-R7

PRODUCTION

AD8221ARZ-RL

PRODUCTION

Mar 25, 2021

- 21_0080

arrow down

Amkor Philippines as an Alternate Site for SOICN

AD8221ARZ

PRODUCTION

AD8221ARZ-R7

PRODUCTION

AD8221ARZ-RL

PRODUCTION

AD8221BRZ

PRODUCTION

AD8221BRZ-R7

PRODUCTION

AD8221BRZ-RL

PRODUCTION

Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

reference details image

EVAL-INAMP

AD62x, AD822x, AD842x Series InAmp Evaluation Board

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EVAL-INAMP

AD62x, AD822x, AD842x Series InAmp Evaluation Board

AD62x, AD822x, AD842x Series InAmp Evaluation Board

Product Detail

Analog Devices provides a line of evaluation boards designed to help users evaluate our instrumentation amplifiers in 8 pin packages. Access the user guide UG-261.

This user guide describes three generic evaluation boards that can be used to evaluate many of Analog Devices instrumentation amplifiers. For information on the performance of a specific instrumentation amplifier, see the data sheet for that instrumentation amplifier.

  • 3 generic, easy-to-use evaluation boards
    • Shipped with an assortment of Analog Devices in-amps
    • Solder in the in-amp to be tested
    • Test pins already populated
    • Decoupling capacitors already populated
  • EVAL-INAMP-62RZ board: Compatible with AD620, AD621, AD622, AD623, AD627, AD8223, AD8225,  LT1167, LT1168 and LT6370 in SOIC or PDIP
  • EVAL-INAMP-82RZ board: Compatible with AD8221, AD8226, AD8227, AD8228, AD8229, AD8421, AD8428, and AD8429 in SOIC package
  • EVAL-INAMP-82RMZ board: Compatible with AD8220, AD8221, AD8226, AD8227, AD8228, AD8236, and AD8421 in MSOP package
Tools & Simulations

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.

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