Description
The National Instruments (NI) USB-8452 is an interface device designed for seamless communication via I2C/SPI protocols. It is known for its compatibility with a variety of part numbers, including 781964-01, 781964-02, and 781964-03, ensuring flexibility in usage scenarios. The device package includes a 2M USB cable for part numbers 781964-01 and 781964-03, with an additional 40-pin flying lead cable provided exclusively with part number 781964-03.
As a bus-powered device, it draws power directly from the USB connection, eliminating the need for an external power source. This feature, combined with a transfer rate of up to 480 Mb/s, makes the USB-8452 a highly efficient tool for data transfer and management. It boasts 8 direction-controlled digital I/O lines, offering significant versatility for various digital interfacing requirements.
The device supports a SPI clock rate of up to 50 MHz and a SPI transfer size ranging from 4 to 64 bits, providing ample speed and flexibility for SPI communication tasks. Additionally, its I2C clock rate is capable of reaching up to 3.3 MHz, further enhancing its performance capabilities.
Featuring USB 2.0 connectivity, the USB-8452 ensures compatibility with a wide range of devices and systems, facilitating easy integration into existing setups. Its operational voltage range spans from 4.5 to 5.25 V, with a maximum input current of 500 mA, ensuring reliable and consistent performance across various operating conditions.
| Specification | Details |
|---|---|
| Manufacturer | National Instruments (NI) |
| Model | USB-8452 |
| Interface Type | I2C/SPI |
| Part Numbers | 781964-01, 781964-02, 781964-03 |
| USB Cable Included | 781964-01, 781964-03 (2M USB Cable) |
| Additional Cable | 781964-03 (40-pin flying lead cable) |
| Power | Bus-powered |
| Transfer Rate | Up to 480 Mb/s |
| Digital I/O Lines | 8, direction-controlled |
| SPI Clock Rate | Up to 50 MHz |
| SPI Transfer Size | 4 – 64 bits |
| I2C Clock Rate | 3.3 MHz |
| USB Connectivity | USB 2.0 |
| Voltage Range | 4.5 – 5.25 V |
| Maximum Input Current | 500 mA |
