USB2805 data acquisition card hardware user manual introduces the function overview, component layout diagram, signal input and output connector, jumper setting, various signal connection method, data format, emission sequence and conversion relationship, various function usage methods, product application precautions, calibration, warranty and other contents of USB2805 data acquisition card.
The USB2805 is a USB‑based data acquisition board that supports analog‑to‑digital (AD) and digital‑to‑analog (DA) conversion, as well as digital I/O. It can be connected directly to a PC via USB and is used for signal acquisition, waveform analysis and control in various fields.
The manual describes hardware layout, signal wiring, AD/DA specifications, calibration procedures, operating temperature limits and warranty information, providing end‑users with the necessary guidance to install and operate the device safely. This manual is written in Chinese.
| AD input voltage range | +10 V, +5 V, +2.5 V, 0‑10 V, 0‑5 V |
|---|---|
| AD resolution | 16 bit |
| AD maximum sampling rate | 250 kHz |
| AD physical channels | 64 single‑ended, 32 differential |
| FIFO depth | 8 K samples |
| Operating temperature range | -40 °C to +85 °C |
| Storage temperature range | -40 °C to +120 °C |
| DA output voltage range | 0‑5 V, 0‑10 V, ±5 V, ±10 V |
| DA resolution | 12 bit |
| Digital input channels | 16 |
| Digital output channels | 16 |
The board offers 64 single‑ended AD channels or 32 differential channels.
The AD input can accept +10 V, +5 V, +2.5 V, 0‑10 V or 0‑5 V.
It operates from –40 °C up to +85 °C, and can be stored from –40 °C to +120 °C.