USB-DAQ-AOD integrates 8-channel 16-bit analog input (16kHz) and 8-channel 16-bit analog output (1kHz), supporting synchronous AI/AO operations, suitable for closed-loop control and signal generation applications.
Product Features
- USB 2.0 Full Speed bus-powered
- 16-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
- Analog Output (AO): 8-channel synchronous output & 16-bit single-ended resolution
- Output range: 0-5V
- 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 |
Analog Output
| Parameter | Test Condition/Note | Min | Typical | Max | Unit |
|---|
| Channels | | | 8 | | ch |
| Output High Voltage | | | 5 | | V |
| Output Low Voltage | | | 0 | | V |
| Resolution | | | 16 | | bit |
| Update Rate | On-Demand Mode | | | 1k | Hz |
| Relative Accuracy | | | ±8 | | LSB |
| DNL | | | | ±1 | LSB |
| Zero-scale Error | | | 6 | 19 | mV |
| Zero Drift | | | ±2 | | μV/°C |
| Gain Error | | | | ±1 | %FSR |
| Gain Tempco | | | ±2.5 | | ppm |
| DC Crosstalk | Internal Ref | | 25 | | μV |
| Offset Error | | | ±6 | ±19 | mV |
| Output Impedance | | | 0.5 | | Ω |
| Short Circuit Current | | | 30 | | mA |
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 |
