Description:The ISL71590SEH and ISL73590SEH are temperature-to-current transducers possessing two terminals. They have a high impedance current output that allows them to be insensitive to voltage drops across long lines. When provided a differential voltage between 4V and 33V, the devices act as constant current regulators that generate a current equal to 1μA/Kelvin (K). These devices are specified across the -55°C to +125°C temperature range and with ±1. 7°C accuracy without the need of additional circuitry, and also
Renesas provides a recommended PCB layout in the ISL71590SEHVF evaluation board user manual, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize noise.
The ISL71590SEHVF is designed to meet the requirements of NASA's EEE-INST-002 guidelines for radiation tolerance. To ensure reliable operation, follow the recommended layout and design guidelines, and consider additional radiation-hardening measures such as shielding and redundancy.
The ISL71590SEHVF is specified to operate from -55°C to 125°C, but it's essential to consider the derating curves and thermal management guidelines in the datasheet to ensure reliable operation over the entire temperature range.
Renesas provides a troubleshooting guide in the ISL71590SEHVF datasheet, which includes steps to identify and resolve common issues with the internal voltage regulator, such as output voltage deviations or instability.
Yes, the ISL71590SEHVF is a radiation-hardened device, but it can be used in non-space applications that require high reliability and performance, such as in industrial, medical, or automotive systems.
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ISL71590SEHVF Overview
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