Description
The National Instruments USB-8452 is a versatile interface adapter designed to facilitate communication via I2C/SPI/GPIO protocols. This device is engineered to support a broad spectrum of applications, thanks to its comprehensive feature set.
It comes with several part numbers, namely 781964-01, 781964-02, and 781964-03, each tailored to specific needs. Notably, the 781964-01 and 781964-03 versions are bundled with a 2M USB cable, ensuring ready-to-use connectivity straight out of the box. Additionally, the 781964-03 version is uniquely equipped with a 40-pin flying lead cable, offering extended versatility for various wiring configurations.
One of the standout features of the USB-8452 is its impressive transfer rate of up to 480 Mb/s, facilitating swift data exchanges. Furthermore, the device boasts 8 digital I/O lines, which are direction-controlled, providing significant flexibility in interfacing with a wide range of digital devices.
For applications requiring high-speed serial communications, the USB-8452 shines with an SPI clock rate of up to 50 MHz and a transfer size range of 4 – 64 bits. Additionally, it supports an I2C clock rate of 3.3 MHz, making it highly effective for tasks involving I2C communication.
The device’s connectivity is bolstered by USB 2.0 support, ensuring compatibility with a wide array of computer systems. It operates within an input/output voltage range of 4.5 – 5.25 V, and it is designed to handle a maximum input current of 500 mA and a maximum output current of 20 mA, ensuring reliable performance across diverse operational conditions.
| Specification | Details |
|---|---|
| Manufacturer | National Instruments |
| Model | USB-8452 |
| Interface Type | I2C/SPI/GPIO |
| Part Numbers | 781964-01, 781964-02, 781964-03 |
| USB Cable | 2M USB cable (with 781964-01 and 781964-03) |
| Flying Lead Cable | 40-pin (with 781964-03) |
| 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 |
| Connectivity | USB 2.0 |
| Input/Output Voltage Range | 4.5 – 5.25 V |
| Maximum Input Current | 500 mA |
| Maximum Output Current | 20 mA |
