This document is the user manual for ADM691A/ADM693A/ADM800L/M products published by Analog Devices. The product is a microprocessor supervisory circuit with low power consumption, precise voltage monitoring, automatic battery backup power switching and other features.
The ADM691A, ADM693A, ADM800L, and ADM800M are microprocessor supervisory circuits that offer power‑on reset, battery backup switching, watchdog timer, and power‑fail detection. They are supplied in 16‑pin DIP, SO, and for ADM691A also a space‑saving TSSOP package.
The document lists electrical specifications such as operating voltage range, supply current, reset thresholds, and watchdog timing, and includes pin‑out tables, typical performance curves, and ordering information.
| Operating Voltage Range | 0 – 5.5 V |
|---|---|
| Supply Current (Excludes I_OUT) | 70 – 100 µA |
| Reset Voltage Threshold (ADM691A/ADM800L) | 4.5 – 4.75 V |
| Watchdog Timeout Period (Internal Oscillator) | 1.0 – 2.25 s |
| Available Packages | 16‑pin DIP, SO, TSSOP (ADM691A) |
The reset voltage threshold for the ADM691A ranges from 4.5 V to 4.75 V.
The supply current (excluding I_OUT) is specified as 70 µA to 100 µA.
All parts are offered in 16‑pin DIP and SO packages, and the ADM691A is also available in a TSSOP package.
Battery‑backup switching operates over a voltage range of 0 V to 5.5 V.