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AD202:  Low Cost, Miniature Isolation Amplifier Powered Directly From a +15 V DC Supply

Product Details


The AD202 is a general purpose, two-port, transformer-coupled isolation amplifier that may be used in a broad range of applications where input signals must be measured, processed and/or transmitted without a galvanic connection. This industry standard isolation amplifier offers a complete isolation function, with both signal and power isolation provided for in a single compact plastic SIP or DIP style package. The AD202 is powered directly from a +15 V dc supply.

The AD202 provides total galvanic isolation between the input and output stages of the isolation amplifier through the use of internal transformer-coupling. The functionally complete AD202 eliminates the need for an external, user-supplied dc/dc converter. This permits the designer to minimize the necessary circuit overhead and consequently reduce the overall design and component costs.

The design of the AD202 emphasizes maximum flexibility and ease of use, including the availability of an uncommitted op amp on the input stage. They feature a bipolar ±5 V output range, an adjustable gain range of from 1 to 100 V/V, ±0.025% max nonlinearity (K grade), 130 dB of CMR.

Applications

  • Multichannel Data Acquisition
  • Current Shunt Measurements
  • Motor Controls
  • Process Signal Isolation
  • High Voltage Instrumentation Amplifier

FEATURES and BENEFITS

  • Small Size: 4 Channels/Inch
  • High Accuracy: ±0.025% Max Nonlinearity (K Grade)
  • High CMR: 130 dB (Gain = 100 V/V)
  • High CMV Isolation: ±2000 V pk Continuous
    (K Grade) (Signal and Power)
  • Isolated Power Outputs
  • Uncommitted Input Amplifier

Functional Block Diagram for AD202

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

AD202 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD202JN Status: Production 10 ld PDIP (for AD202/204) 10 Ind Tube, 9 $32.19 $30.12 N  Material Info PCN Purchase
AD202JY Status: Production 10 pin SIP (AD202) 10 Ind Tube, 9 $32.19 $30.12 N  Material Info PCN Purchase
AD202KN Status: Production 10 ld PDIP (for AD202/204) 10 Ind Tube, 9 $36.79 $33.72 N  Material Info PCN Purchase
AD202KY Status: Production 10 pin SIP (AD202) 10 Ind Tube, 9 $36.79 $33.72 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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