Designed using the Maxim MAX197 successive approximation-type A/D chip, the 3820 provides eight single-ended 12-bit inputs. Additionally, the module provides two 12-bit D/A output channels and 16 TTL digital I/O bits that can be individually programmed as inputs or outputs.

Offering impressive functionality in a small, rugged form-factor, the 3820 is a perfect solution for a variety of PC/104-based data acquisition/control and test/measurement applications. The A/D inputs are software selectable for 0-5V, 0-10V, +/-5V, and +/-10V ranges and can be configured via hardware for measuring 4 ±20mA current loop. The inputs feature 5MHz bandwidth track/hold and 100K bps throughput rate. The two 12-bit D/A channels are jumper selectable for 4.095V or 2.048V full-scale. Software support for the board is provided for easy implementation using either Win32 library calls or a drop-in ActiveX control. The 3820 requires 5V only and is available in extended (-40° – +85°C) temperature range.

  • Eight 12-bit A/D channels
  • Inputs software-selectable for 0-5V, 0-10V, +/-5V, and +/-10V
  • Inputs hardware-selectable for 0-20mA
  • Outputs hardware-selectable for 0-2.048V or 0-4095V
  • 16 digital I/O bits individually programmable as input or output
  • Right-angle connectors available for OEM opportunities, 10-pin and 40-pin vertical header connectors standard
  • Extended temperature range available (-40° - +85°C)

Sealevel Systems, Inc. provides innovative hardware and software products enabling computer connectivity and control. Since 1986, we have manufactured Serial and Digital I/O products to serve our customers' interface requirements. Whether you're looking for synchronous or asynchronous serial, analog or digital I/O, industrial computers or touchscreen HMI systems, Sealevel has a solution. Our commitment to customer satisfaction is expressed by our ISO 9001:2000 registration and the Lifetime Warranty that is standard with all Sealevel manufactured I/O products. Currently, we offer over 300 standard RS-232, RS-422, and RS-485 serial and digital I/O devices for multiple interfaces including USB, Ethernet, PCI, PC/104, PCMCIA, ISA, and serial converters. Our Relio® industrial computers and embedded I/O servers offer solid-state reliability and the highest degree of scalable I/O expansion. We have expanded our product line to include SeaI/O® data acquisition modules, SeaPAC® industrial touchscreen HMI systems, and OEM boards.

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