ADM1815-10AKSZ-RL

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The ADM1815-10AKSZ-RL is a precision, micropower supervisor circuit. It is specifically designed to provide reset and supply monitoring functions for a host microprocessor or other digital logic embedded in a system. It is ideal for those applications requiring either positive or negative system reset without drawing excessive current.

The ADM1815-10AKSZ-RL can be classified as a PMIC - Supervisors device, as it provides power monitoring and reset functions in a single integrated circuit. The device features an adjustable reset voltage threshold, a dedicated reset signal output, and a capacitor connected to VDD for reset time delay generation. It utilizes a three terminal band gap reference derived from an on-chip RC oscillator.

The reset output of the ADM1815-10AKSZ-RL can be used to reset an entire system, or just an individual processor. It also has the flexibility to work with either a positive or negative system supply voltage. The reset voltage threshold can be adjusted to provide a system reset at any voltage between 1.475V and 3.6V. The reset signal is active low, with an output delay that can be adjusted from 8ms to 640ms. This allows for optimisation of reset action for different system designs.

The ADM1815-10AKSZ-RL also has an onboard pull-up resistor, which allows it to be used in applications requiring a pull-up resistor to enable reset. The device also has a dedicated enable input pin that can be used to deactivate the reset signal or enable a reset latch circuit. This enable pin is connected to a Schmitt-trigger and is filtered by an internal pull-down resistor so that it is not affected by spurious noise.

In addition to providing reset and supply monitoring functions, the ADM1815-10AKSZ-RL also provides an array of other features to ensure system stability and reliability. It has a power-on reset with a selectable start-up delay, which helps prevent faulty operation at startup. The device also has an active low watchdog reset output, which is suitable for applications requiring a regular system reset in order to check for system errors.

The ADM1815-10AKSZ-RL is available in a PicoPower 8-pin package and is fully RoHS compliant. It operates over the extended industrial temperature range, from -40°C to +85°C. The device can provide a cost-effective solution for applications requiring a reset and supply monitoring circuit.

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