Analog Devices ADM709
The ADM709 contains a power supply monitor which generates a system reset during power-up, power-down and brownout conditions. When VCC falls below the reset threshold, RESET goes low and holds the µP in reset. The RESET output remains operational with VCC as low as 1 V.| Part No. | ADM709 |
|---|---|
| Datasheet | ADM709 Download |
| Manufacturer |  Analog Devices |
| Description | Power Supply Monitor |
| Buy | Stock & Price |
FEATURES
Precision Supply Voltage Monitor +5 V, +3.3 V, +3 V Power Supply Monitor 35● A Quiescent Current 140 ms (min) Power-On Reset Pulse Low Cost 8-Pin DIP/SO Packages Upgrade for MAX709
APPLICATIONS
Microprocessor Systems Computers Controllers Intelligent Instruments Critical● P Monitoring Automotive Systems Critical
● P Power Monitoring
GENERAL DESCRIPTION
VCC VTH Power Supply Monitor with Reset ADM709 FUNCTIONAL BLOCK DIAGRAM ADM709 RESET GENERATOR RESET GND VCC VCC ADM709 RESET GND RESET µP GND On power-up the RESET output is held low for 140 ms after VCC rises above the threshold. Three supply-voltage threshold levels are available suitable for +5 V, +3.3 V and for +3 V supply monitoring. The actual reset voltage threshold is given below. The ADM709 is available in 8-pin DIP and SOIC packages. Table I. Reset Threshold Typical Operating Circuit ORDERING GUIDE Model ADM709LAN ADM709LAR ADM709MAN ADM709MAR ADM709TAN ADM709TAR ADM709SAN ADM709SAR ADM709RAN ADM709RAR Reset Thresho...
