CAT1320WI-42-GT3

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The CAT1320WI-42-GT3 is part of a family of popular, low-power, adjustable, precision integrated circuit supervisors that offer the industry’s best combination of features and performance. This device is designed to provide a supervisory reset signal when system voltages are below, above, or within range, and has a wide operating temperature range for superb reliability.

The CAT1320WI-42-GT3 is accurately outlined by a series of user-programmable parameters. These settings usually include a reset timeout, hysteresis and delay times, power threshold limits, and various other settings. As the device is reset, various timers can be reset, counting can begin, or synchronization and holdover can be accomplished.

The device operates across the operating temperature range of -40°C to +125°C. It also features excellent accuracy and power supply rejection characteristics that provide very high immunity to input noise. The CAT1320WI-42-GT3 comes in an 8-pin package and draws less than 1µA of quiescent current, allowing it to be used in applications where power is at a premium. The device is also available in a variety of packages and configurations to suit different applications.

The CAT1320WI-42-GT3 is ideally suited for a wide range of applications, including voltage monitoring and control, microprocessor/microcontroller reset and power up/down sequencing, and handheld and automotive electronics. The device is also used in healthcare, industrial and general purpose environments, being designed to meet the requirements of RTC (Real-Time Clock) monitors, data logging, battery monitoring, and other circuit protection functions. Its wide parameters and reset accuracy further guarantee reliable operation in demanding environments.

The CAT1320WI-42-GT3 employs an advanced, wide-range Voltage-On / Voltage-Off design, which is capable of detecting an input voltage that is above, below, or within a set range. This flexible design allows the user to select multiple adjustment voltages, which can be fine-tuned to the precise needs of the application. The device’s adjustable timeout feature is capable of monitoring over-voltage, under-voltage and/or brown-out conditions, allowing precise control of reset and power-on sequencing.

The CAT1320WI-42-GT3 is also designed to detect and react to output temperature changes without causing reset contamination or false trigger pulses, making it an ideal choice for temperature-based reset control. It has an excellent power supply rejection ratio of better than 80db, and a high-gain voltage loop lockout mode, allowing for precise adjustment of its reset threshold. Additionally, the device is capable of delivering precise reset threshold accuracy, insulating its output from supply variations and transients.

The CAT1320WI-42-GT3 offers high immunity to environmental noise and the ability to respond quickly to events such as supply transients and out-of-specification pulse widths. This ensures more accurate operation, even in fast-changing and harsh environments. For applications that require complete protection from fast transient noise, the device has an advanced timout feature that filters out short pulses.

Due to its wide parameters, performance, and small footprint, the CAT1320WI-42-GT3 is an ideal solution for a variety of power-up and power-down sequencing, voltage monitoring, and real-time clock (RTC) monitoring and control applications. With its wide operating temperature range, reasonable power consumption, and outstanding power supply rejection ratio, it provides excellent reliability and flexibility for demanding industrial, automotive, and healthcare applications.

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