Description
The USB-6281 M Series DAQ, part number 780054-02, is a PC-based Multifunction Data Acquisition device manufactured by National Instruments. This device features 16 500 kS/s Analog Inputs, 24 Digital I/O, and 2 Analog Outputs with Mass Termination. It is designed for a variety of applications requiring high-speed data acquisition and processing.
The USB-6281 supports 16 single-ended or 8 differential analog input channels, providing flexibility for various signal measurements. The Analog-to-Digital Converter (ADC) offers an 18-bits resolution, ensuring accurate data conversion for precise measurements. The device can achieve a sample rate of up to 625 kS/s for single-channel operations and up to 500 kS/s for multi-channel operations, making it suitable for capturing high-speed signals.
For protection against unexpected voltage spikes, the USB-6281 is equipped with overvoltage protection of ±25 V when the device is on and ±15 V when the device is off. It also features an input current (overvoltage) protection of ±25 mA maximum per AI pin and an input bias current of ±100 pA, ensuring the safety and integrity of the device and connected systems during operation.
In addition to its analog input capabilities, the USB-6281 also features 2 analog output channels with a 16-bits DAC resolution. The analog outputs support an update rate of up to 2.86 MS/s for single-channel operations, allowing for high-speed signal generation.
This multifunction DAQ device is an excellent choice for engineers and scientists who require a versatile and reliable solution for their data acquisition and analysis needs.
| Specification | Details |
|---|---|
| Part Number | 780054-02 |
| Category | PC-based Multifunction DAQ |
| Model | USB-6281 |
| Description | USB-6281 M Series DAQ (16 500 kS/s Analog Inputs, 24 Digital I/O, 2 Analog Outputs) Mass Term |
| Manufacturer | National Instruments |
| Analog Input Channels | 16 single-ended or 8 differential |
| ADC Resolution | 18-bits |
| Sample Rate (Single Channel) | 625 kS/s maximum |
| Sample Rate (Multiple Channels) | 500 kS/s maximum |
| Overvoltage Protection | ±25 V (device on), ±15 V (device off) |
| Input Current (Overvoltage) | ±25 mA maximum/AI pin |
| Input Bias Current | ±100 pA |
| Analog Output Channels | 2 |
| DAC Resolution | 16-bits |
| Output Update Rate (Single Channel) | 2.86 MS/s maximum |




