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Evaluation board for ISOSD61 isolated sigma-delta converter

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Parameter NameParameter Value
Core ProductISOSD61
Packing TypeNot Applicable
RoHs compliantEcopack1
Package NameCARD

The EVALST-ISOSD61T is a full-featured evaluation board designed to allow the user to evaluate all the features of the ISOSD61 isolated analog-to-digital converter (ADC).

The ISOSD61 device is a 1-bit sigma-delta modulator with an output buffer separated from the input interface circuitry by a galvanic isolation barrier. The isolation barrier provides galvanic isolation of up to 6000 VPEAK. When used in combination with a digital filter, the ISOSD61 device can be used to achieve 16-bit analog-to-digital (A/D) conversion with no missing codes.

Key features
  • 6 kV galvanic isolation
  • 30 kV/µs high common-mode transient immunity
  • 16-bit resolution, no missing codes
  • ±320mV full scale differential input signal range
  • Up to 25 MHz external clock input
  • High SNR (86 dB) and bandwidth (49 kHz)
  • –40°C to +125°C extended industrial temperature range
  • Coaxial and header pins available for flexible access to the inputs and outputs
  • TTL/CMOS digital I/O (ISOSD61)
  • Additional pads for the connection of a shunt current sensor