USB-DAQ-AD provides 8-channel 16-bit analog input (±10V), with a maximum sampling rate of 16kHz, integrating 20-channel digital I/O and various communication protocols (I2C/SPI/UART). It is USB bus-powered, requiring no external power supply.
Product Features
- USB 2.0 Full Speed bus-powered
- 20-channel 3.3V Digital I/O (5V tolerant)
- Supports I2C/SPI/UART/PWM/Counter
- Analog Input (AI): 8-channel synchronous sampling & 16-bit single-ended resolution
- Maximum sampling rate: 16kHz (single channel)
- Input range: +/-10V
- Supports Python, C#, and LabVIEW
Pinout
Product Specifications
| Parameter | Test Condition/Note | Min | Typical | Max | Unit |
|---|
| Input High Voltage | | 3 | 5 | 5.5 | V |
| Input Low Voltage | | -0.5 | 0 | 0.5 | V |
| Input Impedance | | 50k | | | Ω |
Digital Output
| Parameter | Test Condition/Note | Min | Typical | Max | Unit |
|---|
| Output High Voltage | | 3.1 | 3.3 | 3.5 | V |
| Output Low Voltage | | -0.5 | 0 | 0.5 | V |
| Output Current (Source) | | | | 10 | mA |
| Output Current (Sink) | | | | -10 | mA |
| Parameter | Test Condition/Note | Min | Typical | Max | Unit |
|---|
| Channels | | | 8 | | ch |
| Input High Voltage | | 9.7 | 10 | 10.3 | V |
| Input Low Voltage | | -9.7 | -10 | -10.3 | V |
| Resolution | | | 16 | | bit |
| Sampling Rate | Single Ch Cont. | | | 16k | Hz |
| Input Impedance | | | 1M | | Ω |
| Bandwidth | | | 100k | | Hz |
| SNR | | | 95.5 | | dB |
| THD | | | -107 | | dB |
| INL | | | ±0.5 | | LSB |
| DNL | | | ±0.5 | | LSB |
Communication Interfaces
| Parameter | Test Condition/Note | Min | Typical | Max | Unit |
|---|
| UART Baud Rate | | | | 460.8k | bps |
| SPI-1 Trans. Rate | | | | 36M | Hz |
| SPI-2 Trans. Rate | | | | 18M | Hz |
| I2C Trans. Rate | | | | 400k | Hz |
