Description:The ISL71030M is a radiation tolerant, 16-channel multiplexer that is fabricated using the proprietary P6 SOI process technology to provide excellent latch-up performance. It operates with a single supply range from 3V to 5. 5V and has a 4-bit address line plus an enable that can be driven with adjustable logic thresholds to conveniently select one of 16 available channels. An inactive channel is separated from the active channel by a high impedance, which inhibits any interaction between the channels. The
Renesas provides a recommended PCB layout guide in their application note AN1995, which includes guidelines for component placement, thermal management, and routing to minimize noise and ensure optimal performance.
The ISL71030MNZ-T7A is rated for operation up to 125°C, but to ensure reliable operation, it's essential to follow proper thermal management practices, such as using a heat sink, thermal interface material, and ensuring good airflow. Additionally, consider derating the device's output current and voltage to reduce heat generation.
The ISL71030MNZ-T7A is designed to meet CISPR 22 Class B and FCC Part 15 Class B emissions standards. To minimize EMI and RFI, use proper PCB layout techniques, such as separating analog and digital grounds, using shielding, and adding EMI filters as needed. Additionally, follow Renesas' recommended layout and component selection guidelines.
The ISL71030MNZ-T7A is not specifically designed or tested for radiation hardness, but Renesas offers radiation-hardened versions of some of their products. For radiation-hardened applications, consider using Renesas' rad-hard products, such as the ISL71030RH, which is designed to meet the requirements of NASA's EEE-INST-002 and other radiation-hardness standards.
The recommended input capacitor selection and placement are critical for ensuring stable operation and minimizing noise. Renesas recommends using a low-ESR ceramic capacitor with a value of 10uF to 22uF, placed as close as possible to the VIN pin, and connected to the GND pin using a low-impedance path.
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ISL71030MNZ-T7A Overview
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