This document introduces the functions of ADM1025/ADM1025A.
The ADM1025/ADM1025A is a complete system hardware monitor for microprocessor-based systems, providing measurement and limit comparison of various system parameters. It features five voltage measurement inputs for monitoring supply voltages and an on-chip temperature sensor, with the ADM1025A variant offering open-drain VID inputs and the ADM1025 including on-chip pull-ups.
| Supply Voltage | 3.0 V to 5.5 V |
|---|---|
| Supply Current | 1.4 mA to 2.5 mA |
| Internal Sensor Accuracy | +3 °C |
| External Diode Sensor Accuracy | +5 °C |
| Total Unadjusted Error | +2 % |
| Conversion Time (Analog Input) | 11.6 ms |
| Clock Frequency | 400 kHz |
| Maximum Junction Temperature | 150°C |
It is ideal for hardware monitoring and protection applications in personal computers, electronic test equipment, and office electronics.
The maximum supply voltage is 5.5 V, with an absolute maximum rating of 6.5 V.