Description
The National Instruments USB-6281 is a versatile Multifunction I/O Device that offers a range of features including 16 single-ended or 8 differential analog input channels with 18-bit ADC resolution, capable of reaching maximum sample rates of 625 kS/s for a single channel and 500 kS/s for multiple channels.
It provides robust overvoltage protection of ±25 V when powered on and ±15 V when powered off, along with an input current limit of ±25 mA max per AI pin during overvoltage conditions and an input bias current of ±100 pA.
The device also includes two analog output channels with 16-bit DAC resolution, supporting a maximum update rate of 2.86 MS/s for one output channel and a collective rate for both channels. Its part numbers are 780054-01, 780054-07, 780053-04, 780053-01, and 780054-04, making it a flexible solution for various data acquisition needs.
| Feature | Specification |
|---|---|
| Manufacturer | National Instruments |
| Product Name | USB-6281 Multifunction I/O Device |
| Part Numbers | 780054-01, 780054-07, 780053-04, 780053-01, 780054-04 |
| Analog Input Channels | 16 single-ended or 8 differential |
| ADC Resolution | 18-bits |
| Single Channel Max Sample Rate | 625 kS/s |
| Multi-Channel Max Sample Rate | 500 kS/s |
| Overvoltage Protection (Device On) | ±25 V |
| Overvoltage Protection (Device Off) | ±15 V |
| Input Current (Overvoltage Condition) | ±25 mA max/AI pin |
| Input Bias Current | ±100 pA |
| Analog Output Channels | 2 |
| DAC Resolution | 16-bits |
| Max Update Rate (1 Output Channel) | 2.86 MS/s |
Question 1: What are the specifications and overvoltage protection details for the National Instruments USB-6281 Multifunction I/O Device?
Answer 1: The National Instruments USB-6281 Multifunction I/O Device offers overvoltage protection of ±25 V when powered on and ±15 V when powered off.
Question 2: What are the sample rates and ADC resolutions of the National Instruments USB-6281 Multifunction I/O Device’s analog input channels?
Answer 2: The National Instruments USB-6281 Multifunction I/O Device features 16 single-ended or 8 differential analog input channels with 18-bit ADC resolution, capable of sample rates up to 625 kS/s for a single channel and 500 kS/s for multiple channels, overvoltage protection of ±25 V when powered on and ±15 V when powered off, an input current limit of ±25 mA max per AI pin, an input bias current of ±100 pA, two
Question 3: What are the specifications and protection features of the National Instruments USB-6281 Multifunction I/O Device, including its analog input and output capabilities as well as its part numbers?
Answer 3: The National Instruments USB-6281 Multifunction I/O Device features 16 single-ended or 8 differential analog input channels with 18-bit ADC resolution, capable of sample rates up to 625 kS/s for single-channel and 500 kS/s for multiple channels, and overvoltage protection of ±25 V when powered on and ±15 V when powered off, plus an input current limit of ±25 mA max per AI pin and an input bias current of ±100 pA.
Question 4: What are the specifications and part numbers for the National Instruments USB-6281 Multifunction I/O Device?
Answer 4: The National Instruments USB-6281 Multifunction I/O Device’s analog input channels have an ADC resolution of 18-bits and can reach maximum sample rates of 625 kS/s for a single channel and 500 kS/s for multiple channels.
Question 5: What overvoltage protection is offered by the National Instruments USB-6281 Multifunction I/O Device when it is powered on and when it is powered off?
Answer 5: The National Instruments USB-6281 Multifunction I/O Device features 16 single-ended or 8 differential analog input channels with 18-bit ADC resolution, offering maximum sample rates of 625 kS/s for a single channel and 500 kS/s for multiple channels. It provides overvoltage protection of ±25 V when powered on and ±15 V when powered off, an input current limit of ±25 mA max per AI pin during overvoltage conditions, and an input bias current
