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AD208:  High Precision, Low Offset, mV Input Isolation Amplifier

Product Details


The AD208 is a high precision, two-port, transformer-coupled isolation amplifier expressly designed for applications that require the amplification and isolation of extremely low level (i.e., ±mV) signals. The innovative front-end circuit design of the AD208 ensures the low offset characteristics and stable high gain properties of the AD208. The AD208 is fully compatible with the SIP style packaging of Analog Devices' low cost AD204 family of isolation amplifiers.

FEATURES and BENEFITS

  • Wide Gain Range: 1 to 1000 V/V
  • Low Nonlinerity: ±0.0125%
  • Low Input Offset Voltage: ±0.27mV, max (G=1000 V/V)
  • Low Offset Drift: ±1.5 µ V/°C, max (G=1000 V/V)
  • High CMV Isolation: 1.5 kV rms (B Grade)
  • Isolated Power: ±8.0 V dc with up to ±5 mA
  • Completely Compatible with the AD204 SIP
  • Small SIP: 2.08" (52.8 mm) x 0.26" (6.6 mm) x 0.625" (15.9mm)
  • Performance Rated over -40°C to +85°C

Functional Block Diagram for AD208

Documentation

Title Content Type File Type
AD208: High Precision, Low Offset, mV Input Isolation Amplifier Scanned Data Sheet  (Rev 0, 10/1999) (pdf, 9025 kB) Data Sheets PDF
AN-214: Ground Rules for High Speed Circuits  (pdf, 356 kB)
Layout and Wiring Are Critical in Video Converter Circuits.
Application Notes PDF
AN-246: Isolation Barrier Precisely Protects Transducer Signals  (pdf, 863 kB)
Through the Judicious Use of Isolation Amplifiers that Incorporate Transformer Coupling, You Can Design Circuits that Accurately Condition and Amplify Low-Level Transducer Signals.
Application Notes PDF
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary 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.

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Price, packaging, availability

AD208 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD208AY Status: Production SINGLE IN-LINE PACKAGE 10 Ind Tube, 9 $75.77 $73.66 N  Material Info PCN Purchase
AD208BY Status: Production SINGLE IN-LINE PACKAGE 10 Ind Tube, 9 $86.28 $84.19 N  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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