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The ICL7665S Super CMOS Micropower Over/Under Voltage Detector features two low-power, individually programmable voltage detectors integrated on a single CMOS chip. It typically requires 3 µA for operation and is designed for battery-operated systems and instruments that need high or low voltage warnings, adjustable trip points, or fault monitoring and correction. The trip points and hysteresis for the two voltage detectors can be individually set using external resistors. An internal bandgap-type reference provides an accurate threshold voltage while operating within a supply voltage range of 1.6V to 16V. The ICL7665S serves as a direct replacement for the industry-standard ICL7665B, offering a wider operating voltage and temperature range, enhanced threshold accuracy (ICL7665SA), and improved temperature coefficient, along with a guaranteed maximum supply current. All enhancements are detailed in the electrical characteristics section, with all critical parameters guaranteed across the full commercial and industrial temperature ranges.

The ICL7665S is engineered to deliver reliable performance in applications requiring precise voltage monitoring. Its dual voltage detectors can be configured to trigger alerts or corrective actions based on user-defined voltage levels, making it suitable for various battery-powered devices, including portable electronics and industrial equipment. The device's low power consumption of 3 µA ensures minimal impact on battery life, which is crucial for applications where energy efficiency is paramount.

The programmability of the trip points and hysteresis allows for flexible system design. By using external resistors, designers can tailor the voltage detection thresholds to meet specific operational requirements. This feature enhances the versatility of the ICL7665S, enabling it to be used in diverse applications ranging from consumer electronics to critical industrial monitoring systems.

The internal bandgap reference is a key component that ensures the accuracy of the threshold voltage across varying supply voltages. This characteristic is essential for maintaining consistent performance, particularly in environments where voltage levels may fluctuate. The wide operating voltage range of 1.6V to 16V further expands the applicability of the ICL7665S, allowing it to be integrated into a broad array of systems without the need for additional voltage regulation.

In comparison to its predecessor, the ICL7665B, the ICL7665S offers notable improvements in terms of voltage and temperature range, making it a more robust solution for modern applications. The enhancements in threshold accuracy and temperature coefficient contribute to a more reliable operation, ensuring that voltage detection remains precise under varying environmental conditions.

Overall, the ICL7665S Super CMOS Micropower Over/Under Voltage Detector is a highly effective solution for voltage monitoring, providing designers with the tools necessary to implement reliable, energy-efficient systems that require precise voltage management.The ICL7665S Super CMOS Micropower Over/Under Voltage Detector contains two low power, individually programmable Voltage detectors on a single CMOS chip. Requiring typically 3A for operation, the device is intended for battery-operated systems and instruments which require high or low voltage warnings, settable trip points, or fault monitoring and

correction. The trip points and hysteresis of the two voltage detectors are individually programmed via external resistors. An internal bandgap-type reference provides an accurate threshold voltage while operating from any supply in the 1.

6V to 16V range. The ICL7665S Super Programmable Over/Under Voltage Detector is a direct replacement for the industry standard ICL7665B offering wider operating voltage and temperature ranges, improved threshold accuracy (ICL7665SA), and temperature coefficient, and guaranteed maximum supply current. All improvements are highlighted in the electrical characteristics section. All critical parameters are guaranteed over the entire commercial and industrial temperature ranges. 🔗 External reference