Description
The USB-6281 is a multifunction I/O device manufactured by National Instruments, designed to offer a wide range of data acquisition capabilities for various applications. This device comes with several part numbers, including 780054-01, 780054-07, 780053-04, 780053-01, and 780054-04, ensuring a variety of options for specific requirements.
It is equipped with 16 single-ended or 8 differential analog input channels, providing flexibility in connecting to different sensor types. The analog inputs boast an 18-bit ADC resolution, enabling precise measurement of input signals. The USB-6281 can achieve a maximum sample rate of 625 kS/s for a single channel and up to 500 kS/s for multiple channels, making it suitable for high-speed data acquisition tasks.
The device provides robust protection against overvoltages, with ±25 V protection when the device is on and ±15 V when it is off. It can handle a maximum input current during overvoltage of ±25 mA per AI pin and has an input bias current of ±100 pA, ensuring the safety and integrity of the device and connected sensors in challenging environments.
In addition to its analog input capabilities, the USB-6281 features 2 analog output channels with a 16-bit DAC resolution. It can reach a maximum update rate of 2.86 MS/s for one output channel and 2.00 MS/s for both output channels, allowing for precise control signals or waveform generation.
Overall, the USB-6281 Multifunction I/O Device by National Instruments stands out as a sophisticated tool for engineers and scientists who need reliable, high-performance data acquisition and control in their projects.
| Specification | Details |
|---|---|
| Part Numbers | 780054-01, 780054-07, 780053-04, 780053-01, 780054-04 |
| Device Type | USB-6281 Multifunction I/O Device |
| Manufacturer | National Instruments |
| Analog Input Channels | 16 single-ended or 8 differential |
| ADC Resolution | 18-bits |
| Maximum Sample Rate (Single Channel) | 625 kS/s |
| Maximum Sample Rate (Multiple Channels) | 500 kS/s |
| Overvoltage Protection (Device On) | ±25 V |
| Overvoltage Protection (Device Off) | ±15 V |
| Maximum Input Current During Overvoltage | ±25 mA per AI pin |
| Input Bias Current | ±100 pA |
| Analog Output Channels | 2 |
| DAC Resolution | 16-bits |
| Maximum Update Rate (One Output Channel) | 2.86 MS/s |
| Maximum Update Rate (Both Output Channels) | 2.00
Question 1: What is the max input current for USB-6281? Question 2: How many analog input channels does the USB-6281 have? Question 3: What ADC resolution does the USB-6281 offer? Question 4: What is the USB-6281’s max sample rate for one channel? Question 5: How much overvoltage protection does the USB-6281 provide? |
