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AD204:  Low Cost, Miniature Isolation Amplifier powered by external clock

The AD204 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 ...More

AD204:  Low Cost, Miniature Isolation Amplifier powered by external clock

Product Description

The AD204 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 AD204 is powered by an externally supplied clock, such as the recommended AD246 Clock Driver.

The AD204 provides total galvanic isolation between the input and output stages of the isolation amplifier through the use of internal transformer-coupling. The functionally complete AD204 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 AD204 emphasizes maximum flexibility and ease of use, including the availability of an uncommitted op amp on the input stage. It features 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 and consumes a low 35 mW of power.

Applications

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

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    • Small Size: 4 Channels/Inch
    • Low Power; 35 mW
    • High Accuracy: ±0.025% Max Nonlinearity (K Grades)
    • High CMR: 130 dB (Gain = 100 V/V)
    • Wide Bandwidth: 5 kHz Full-Power
    • High CMV Isolation: ±2000 V pk Continuous
      (K Grade) (Signal and Power)
    • Isolated Power Outputs
    • Uncommitted Input Amplifier
    • # Ports/Ch: 2
    • Supply Voltage (V): n/a
    • Supply Current : n/a
    • Input Range (V): ±5V
    • Isolation Rejection (dB) : 110dB
    • Bandwidth G = 1 (kHz): 5kHz
    • Nonlinearity (%): 0.025%
    • Temperature Range (°C): 0 to +70

    Functional Block Diagram for AD204

    AD204 Diagram
    Functional Block Diagram for AD204

    Of Note ...

    For information on the referenced Clock Driver, please visit the AD246 product page.

    类似产品

    arrow View Full Interactive Product Selection Table
    Part# # Ports/Ch Supply Voltage (V) Supply Current Isolation Voltage (Vrms) Bandwidth G = 1 (kHz) Gain Input Range (V) Nonlinearity (%) Output Amplifier Price* (1000-4999)
    AD202 2 +15 5 1500 5 1 to 100 ±5 0.025 - $29.82
    AD203 2 +15 20 1500 10 1 to 10 ±10 0.025 X $91.37
    AD204 2 n/a n/a 1500 5 1 to 100 ±5 0.025 - $26.82
    AD208 2 n/a n/a 1500 4 1 to 1000 ±5 0.0125 - $72.93
    AD210 3 +15 50 2500 20 1 to 100 ±10 0.012 X $46.52
    AD215 2 ±15 40 1500 120 1 to 100 ±10 0.01 X $44.05
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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.

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