Description
The USB-6281 is a PC-based Multifunction DAQ device designed and manufactured by National Instruments. This multifunction I/O device is known for its versatility and performance in data acquisition and control applications. The device supports a wide range of part numbers including 780054-01, 780054-07, 780053-04, 780053-01, and 780054-04, making it suitable for a variety of system configurations and requirements.
At the core of its specifications, the USB-6281 offers 16 single-ended or 8 differential analog input channels with an ADC resolution of 18-bits, ensuring high precision in measurements. The device is capable of a maximum sample rate of 625 kS/s for single-channel operations and 500 kS/s for multiple-channel operations, allowing for efficient data collection and processing. For applications requiring analog outputs, it provides 2 channels with a DAC resolution of 16-bits, catering to a variety of output needs.
One of the notable features of the USB-6281 is its robust overvoltage protection, offering ±25 V protection when the device is on and ±15 V when off, alongside an input current limit of ±25 mA max per AI pin during overvoltage conditions. This protection, combined with an input bias current of ±100 pA, ensures the safety and longevity of the device under various operating conditions.
Compatibility with NI-DAQmx drivers simplifies integration and use in a wide range of applications, making the USB-6281 a highly versatile and reliable choice for professionals seeking a multifunction I/O device from a reputable manufacturer like National Instruments.
| Specification | Detail |
|---|---|
| Part Numbers | 780054-01, 780054-07, 780053-04, 780053-01, 780054-04 |
| Category | PC-based Multifunction DAQ |
| Model | USB-6281 |
| Description | Multifunction I/O Device |
| Manufacturer | National Instruments |
| Driver Compatibility | NI-DAQmx |
| Analog Input Channels | 16 single-ended or 8 differential |
| ADC Resolution | 18-bits |
| Single Channel Max Sample Rate | 625 kS/s |
| Multiple Channel Max Sample Rate | 500 kS/s |
| Overvoltage Protection | ±25 V (device on), ±15 V (device off) |
| Input Current during Overvoltage | ±25 mA max/AI pin |
| Input Bias Current | ±100 pA |
| Analog Output Channels | 2 |
| DAC Resolution | 16-bits |
| Question 1: What is the ADC resolution of USB-6281? Answer 1: 18-bits Question 2: What is the max sample rate for single-channel on USB-6281? Question 3: How many analog input channels does USB-6281 have? Question 4: What is the overvoltage protection for USB-6281 when on? Question 5: Is USB-6281 compatible with NI-DAQmx drivers? |



