MCC USB-1608G Series

USB-1608G, USB-1608GX and USB-1608GX-2AO

The USB-1608G samples at up to 250 kS/s and has no analog outputs. The USB-1608GX doubles that to 500 kS/s, and Digilent lists it as retired. The USB-1608GX-2AO keeps the 500 kS/s input and adds two 16-bit, ±10 V analog outputs that update at 250 kS/s per channel, or 500 kS/s on one channel. List prices at the time of writing are $479 for the USB-1608G and $959 for the USB-1608GX-2AO, and OEM board versions exist for both.

All three share one input stage: 16 single-ended or 8 differential channels, ±10, ±5, ±2 and ±1 V ranges selectable per channel, 8 digital I/O lines, two 32-bit event counters and one PWM timer. The sample rate is aggregate across the scan list, so 16 channels on a USB-1608G get about 15.6 kS/s each. The sample rate calculator does that division for any channel count. The inputs share one multiplexed converter, so a 16-channel scan reads each channel at a slightly different moment. For phase-aligned channels, look at the simultaneous-sampling USB-1808X.

Software support by operating system

On Windows you get InstaCal, the Universal Library, ULx for NI LabVIEW and DAQami. On Linux and macOS, uldaq supports every variant, including the later -2 hardware revisions of each model, but MCC offers no logging app there. DAQami for Mac compares the routes for Mac users. DAQAtlas, which is in development, runs these devices through uldaq with hardware-paced scans and includes the USB-1608GX-2AO as a simulated device.