This manual describes the USB2089 data acquisition card, a USB‑based device for signal acquisition, waveform analysis, and control applications. It outlines the card's main functions, component layout, and supported interfaces.
The document includes detailed specifications, pin‑out tables, calibration procedures for both AD and DA modules, usage notes, and warranty terms, helping users install, operate, and maintain the product safely. This manual is written in Chinese.
| AD module input range (AD7899‑1) | ±10 V |
|---|---|
| AD module input range (AD7899‑2) | 0‑2.5 V |
| AD conversion precision | 14 bits |
| AD sampling rate | 400 kHz |
| DSP core | TMS320VC5509A, 144 MHz |
| USB interface | USB 2.0 Full‑Speed |
| Physical dimensions | 140 mm × 115 mm × 18.5 mm |
| DA module output resolution | 12 bits |
| DA output rate | 100 kHz |
| Digital output max sink/source | 20 mA sink, 2.6 mA source |
| Operating temperature range | -40 °C to +85 °C |
The power‑LED lights up when the USB2089 board is supplied with power.
The device is rated for operation from –40 °C up to +85 °C.