USB5935 is a data acquisition card based on USB bus, with functions including AD analog input, DI digital input, DO digital output, CNT timer/counter, etc. It can be applied in electronic product quality testing, signal acquisition, process control, servo control, and other fields.
This manual provides detailed information for the USB2805 data‑acquisition card, covering its hardware layout, connector pinouts, and the operation of its analog‑to‑digital converters, digital I/O, and counter/timer functions. It also includes guidance on installation, calibration, and warranty.
The document contains tables of specifications, wiring diagrams, and step‑by‑step instructions for configuring the device in Windows environments, as well as safety and handling recommendations for the hardware components. This manual is written in Chinese.
| Input voltage range | ±10 V, +5 V, ±2.5 V, 0‑10 V |
|---|---|
| Resolution | 13 bits |
| Maximum sampling rate | 300 kHz (2 µs per point) |
| Physical channels | 16 single‑ended, 8 differential |
| Programmable gain options | 1, 2, 4, 8 × (AD8251) or 1, 2, 5, 10 × (AD8250) |
| Operating temperature range | -40 °C to +85 °C |
It supports ±10 V, +5 V, ±2.5 V, and 0‑10 V input ranges.
The device provides 16 single‑ended and 8 differential analog input channels.
The AD converter can sample up to 300 kHz, which corresponds to 2 µs per point.
It operates from –40 °C to +85 °C.