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AD8206:  Single-Supply 42V System Difference Amplifier

Product Details


The AD8206 is a single-supply difference amplifier for amplifying small differential voltages in the presence of large common-mode voltages. The operating input common-mode voltage range extends from -2 V to +65 V. The typical single-supply voltage is 5 V.

The AD8206 is offered in an 8-lead SOIC package and it is rated throughout the automotive temperature range of −40°C to +125°C.

Excellent DC performance over temperature keeps errors in the measurement loop to a minimum. Offset drift is typically less than 15 µV/°C, and gain drift is typically below 30 ppm/°C.

The output offset can be adjusted from 0.08 V to 4.7 V with a 5 V supply by using the VREF1 and VREF2 pins. With VREF1 attached to the V+ pin, and VREF2 attached to the GND pin, the output is set at half scale. Attaching both pins to GND causes the output to be unipolar, starting near ground. Attaching both pins to V+ causes the output to be unipolar starting near V+. Other offsets can be obtained by applying an external voltage to the VREF1 and VREF2 pins.

FEATURES and BENEFITS

  • Ideal for current shunt applications
  • High common-mode voltage range
    -2 V to +65 V operating
    -25 V to +75 V survival
  • Gain = 20
  • Wide operating temperature range
    8-lead SOIC: -40°C to +125°C
  • Bidirectional operation applications
  • EXCELLENT AC AND DC PERFORMANCE
    15 µV/°C offset drift
    30 ppm/°C gain drift
    80 dB CMRR dc to 20 kHz
  • Qualified for automotive applications.

Functional Block Diagram for AD8206

Documentation

Title Content Type File Type
AD8206: High Common-Mode Voltage, Bidirectional Current Shunt Amplifier Data Sheet (Rev C, 11/2014) (pdf, 337 kB) Data Sheets PDF
AN-669: Effectively Applying the AD628 Precision Gain Block  (pdf, 193 kB) Application Notes PDF
A Designer's Guide to Instrumentation Amplifiers (3rd Edition) Design Handbooks HTML
Auto-Zero Amplifiers  (doc, 75 kB)
A wide variety of electronic applications, especially those involving very small input signals, require signal paths with very low offset voltage and offset voltage drift over time and temperature.
Technical Articles DOC
Current Measurement in Solenoids for Automotive Control Systems  (pdf)
by Scott Beversdorf and Charles Whiting, Analog Devices, Inc. (Analog Dialogue 38-04, April 2004)
Technical Articles PDF
High-performance Adder Uses Instrumentation Amplifiers
Make an adder circuit using instrumentation amplifiers to increase input impedance.
(EDN, 9/3/2009)
Technical Articles HTML
Applying Instrumentation Amplifiers Effectively: The Importance of an Input Ground Return  (pdf, 508 kB) Technical Documentation PDF
Leading Inside Advertorials: Applying Instrumentation Amplifiers Effectively–The Importance of an Input Ground Return  (pdf, 121 kB) Overview PDF
Power System Management (Spring 2007)  (pdf, 1170 kB) Overview PDF
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Design Tools,Models,Drivers & Software

Title Content Type File Type
AD8206 SPICE Macro Model SPICE Models HTML

Evaluation Kits & Symbols & Footprints

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

SampleSample & Buy

Price, packaging, availability

AD8206 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD8206WHRZ Status: Production 8 ld SOIC 8 Auto Tube, 98 $2.33 $2.26 Y  Material Info Notify Me Purchase
AD8206WHRZ-RL Status: Production 8 ld SOIC 8 Auto Reel, 2500 - $2.26 Y  Material Info Notify Me Purchase
AD8206WYRZ Status: Production 8 ld SOIC 8 Ind Tube, 98 $1.63 $1.58 Y  Material Info PCN Purchase Sample
AD8206WYRZ-R7 Status: Production 8 ld SOIC 8 Ind Reel, 1000 $1.63 $1.58 Y  Material Info PCN Purchase
AD8206WYRZ-RL Status: Production 8 ld SOIC 8 Ind Reel, 2500 $1.63 $1.58 Y  Material Info PCN Purchase
AD8206YRZ Status: Production 8 ld SOIC 8 Ind Tube, 98 $1.42 $1.37 Y  Material Info PCN Purchase Sample
AD8206YRZ-REEL Status: Production 8 ld SOIC 8 Ind Reel, 2500 $1.42 $1.37 Y  Material Info PCN Purchase
AD8206YRZ-REEL7 Status: Production 8 ld SOIC 8 Ind Reel, 1000 $1.42 $1.37 Y  Material Info PCN Purchase
Price Table Help

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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