The National Instruments 778572-36 PXI Matrix Switch Module, also known as the PXI-2536, is a robust 8x68 matrix switch designed for precise routing of low-power DC signals in validation test systems, particularly for mass-produced devices such as semiconductor chips and printed circuit boards (PCBs). This module features 8 rows and 68 columns, allowing for the simultaneous control of up to 544 switches. Its advanced FET relay technology offers a fast operate time of 12 µs and a high maximum scan rate of 50,000 crosspoints per second, providing improved throughput in testing scenarios.

The 778572-36 supports a maximum switching voltage of ±12 VDC or 8 VAC and can handle up to 100 mA of switching current. With a typical DC isolation resistance exceeding 1 GΩ at 23°C, which decreases to 334 MΩ at 55°C, and a low current leakage of 10 nA between columns and ground, this module ensures reliable performance. Additionally, it includes robust overvoltage protection capable of withstanding ±36 VDC when powered on and ±40 VDC when powered off.

With an impressive bandwidth of 1 MHz per crosspoint, the module operates efficiently within a temperature range of 0 °C to 55 °C and humidity levels of 5% to 85%. Compliance with several European directives regarding safety and electromagnetic compatibility, along with a total path resistance of 10 Ω typically and 15.5 Ω maximum from row to column, assures users of its suitability for industrial automation applications. The dimensions of the module are 21.6 x 2.0 x 13.0 cm, weighing only 159 g, and it features three 68-pin VHDCI connectors. Power requirements include 3.3 V at 1.7 W and 12 V at 1.3 W, making the 778572-36 an efficient and essential component for any advanced testing system.