MAX696CWE+T

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The MAX696CWE+T is a precision, three-terminal, Positive Voltage Supervisory Circuit with a reset and manual reset (MR) input. It belongs to the supervisory category of integrated circuits known as Power Management IC (PMIC). It has a wide range of applications and is designed to continually monitor two supply voltages. It features a power-on reset circuit with a fixed reset output voltage of 4.86V and a watchdog timer with a fixed timeout period of 2.2s.

The MAX696CWE+T has a wide range of applications including industrial, automotive, consumer, telecommunications and other systems. It operates over a temperature range of -40°C to +85°C and can withstand a maximum supply voltage of 24V. The reset and MR input on the MAX696CWE+T are CMOS logic compatible. The reset output is open drain with a pulse width of 140ms and is guaranteed to sink up to 10mA. The reset output is also compatible with CMOS logic.

In terms of the working principle of the MAX696CWE+T, the device works in two stages. The first stage is the power-on reset circuit. When the power-on reset circuit is enabled, it monitors the two supply voltages. If the voltage drops below its lower trip point, then a reset signal is generated which is provided on the reset output pin. The upper trip point of the power-on reset circuit can be adjusted using external resistors. The second stage is the watchdog timer. When the timer is enabled, it periodically tests the two supply voltages during each test cycle. If any of the voltages fall below their lower trip point, then a reset signal is generated.

The device also has a manual reset input which can be used to generate a reset signal. The reset output will stay active as long as the manual reset input is held at a low logic level. The reset output will also go high when either the supply voltage reaches the upper trip point or when the manual reset input is taken high. The reset output will de-assert when the manual reset input is taken low.

In addition, the MAX696CWE+T includes both 8-pin SOIC and 8-pin PDIP packages for easy mounting. The device can be used in a wide range of applications such as industrial, automotive, consumer, telecommunications and other systems. It is designed to continually monitor two supply voltages, with a power-on reset circuit and watchdog timer, guaranteeing a safe and reliable system reset.

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