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The LTC1258CS8-4.1#TRPBF is a micropower bandgap voltage reference in an 8-lead SO package, providing a nominal output of 4.096V. It features a maximum dropout voltage of 200mV at 10mA and a typical quiescent current of 4μA. The device offers 0.15% initial accuracy and 40ppm/°C drift over the 0°C to 70°C temperature range. It can source up to 10mA and sink up to 2mA without requiring an output bypass capacitor.
Verify the specific suffix #TRPBF indicates tape and reel packaging when ordering. Confirm the S8 package designation matches the required footprint. Ensure the 4.1 voltage option aligns with system requirements. Check for lead-free compliance status if applicable to manufacturing standards.
Select this component for applications requiring precise voltage regulation with minimal power consumption. The low dropout characteristic supports operation near battery depletion levels. Consider the 10mA sourcing capability for driving moderate loads directly. Evaluate thermal performance within the specified operating temperature range.
This part belongs to the LTC1258 series of micropower low dropout references from Analog Devices. The series includes fixed voltage options such as 2.5V, 3V, and 5V, alongside an adjustable variant. These devices utilize curvature compensation and trimmed thin-film resistors to achieve their specified performance metrics across temperature variations.
Consult manufacturer documentation for direct substitutes. Verify pin compatibility and electrical specifications before replacing.