This surface mount battery backup circuit features a 4.65V threshold voltage and monitors a single input. It includes an adjustable watchdog timer and provides backup battery switchover. The component offers a 50 ms nominal adjustable reset period, with reset delay and timeout times of 70 ms and 35 ms respectively. Operating supply voltage ranges from 4.75V to 5.5V, with a maximum supply current of 1.95mA. The device is housed in a SOIC package with a maximum power dissipation of 600mW.
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Analog Devices ADM691AR technical specifications.
| Package/Case | SOIC |
| Height | 2.35mm |
| Lead Free | Contains Lead |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 600mW |
| Max Reset Threshold Voltage | 4.73V |
| Min Reset Threshold Voltage | 4.5V |
| Max Supply Current | 1.95mA |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 4.75V |
| Mount | Surface Mount |
| Number of Elements | 1 |
| Number of Monitored Inputs | 1 |
| Number of Voltages Monitored | 1 |
| Operating Supply Current | 100uA |
| Overvoltage Threshold | 4.73V |
| Package Quantity | 47 |
| Packaging | Rail/Tube |
| Power Dissipation | 600mW |
| Radiation Hardening | No |
| Reset | Active High/Active Low |
| Reset Delay Time | 70ms |
| Reset Timeout | 35ms |
| RoHS Compliant | No |
| Supply Current | 1.95mA |
| Threshold Voltage | 4.65V |
| Type | Battery Backup Circuit |
| Undervoltage Threshold | 4.5V |
| Watchdog Timer | Yes |
| Width | 7.6mm |
| RoHS | Not CompliantNo |
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