KAD/MDC/103 Multiplexing ADC (programmable analog gain, pressure scanner, polynomial temp. compensation) - 2 channels at 20 ksps

The KAD/MDC/103 interfaces to multiplexed analog signals such as those from analog pressure scanners like the ESP-16HD, ESP-32HD, ESP-48SL or ESP-64HD with single-temperature sense option from Esterline. If support for the ESP-DTC scanner series is required, contact Curtiss-Wright support using the support tab below.

The KAD/MDC/103 has two analog inputs for differential voltages and for external temperature measurements. In addition to measurement channels, the KAD/MDC/103 provides a 6-bit address for the external multiplexer. The KAD/MDC/103 sequentially addresses up to 64 channels from an external multiplexer and measures the voltage on the outputs of pressure scanner multiplexers. The interval within which all external pressure channels are addressed is automatically set from the range 3.2 ms to 512 ms. For sample cycles longer than 512 ms, the addressing cycle stays at the maximum value.

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Features

  • Support for two 64-channel external multiplexers with 5V or 12V CMOS logic
  • Supports Esterline Pressure Systems ESP pressure scanners
  • Provides fourth-order polynomial correction of scanner output voltage
  • Two differential ended pressure input channels with programmable gain
  • Two differential ended temperature input channels with programmable gain
  • 16-bit simultaneous sampling
  • Up to 20,000 sps aggregate on all multiplexed channels
  • ±12V power supply lines
  • Calibrated 5V excitation with sense lines

Applications

  • Interfacing to pressure scanners, for example ESP-16HD, ESP-32HD, ESP-48SL or ESP-64HD with single-temperature sense option from Esterline Pressure Systems
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