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MFG:ADI D/C:09
Part Number: ADM8616
MFG: ADI
D/C: 09
Description: The ADM8611/ADM8616/ADM8617/ADM8618 are supervisory circuits which monitor power supply voltage levelsand code e...
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ADM8616
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DataSheet
General Description
ADM8616 General Description
The ADM8611/ADM8616/ADM8617/ADM8618 are supervisory circuits which monitor power supply voltage levels
and code execution integrity in microprocessor-based systems. A power-on-reset signal is generated when the supply voltage rises to a preset threshold level. The ADM8611's debounced manual reset input can be used to initiate a reset by means of an external push-button or logic signal. The ADM8616ADM8618 have an on-chip watchdog timer which can reset the microprocessor if it fails to strobe within a preset timeout period.
Each part is available in a choice of the following 9 reset threshold options: 1.58V, 1.67V, 2.19V, 2.32V, 2.63V, 2.93V,
3.08V, 4.38V and 4.63V. The reset timeout periods are 20ms (min) and 140ms (min) for the ADM8611 and ADM8616 ADM8618, respectively. The watchdog timeout period is 1.6s (typ). The parts differ in terms of reset output configuration, as indicated in table 1.
The ADM8611/ADM8616/ADM8617/ADM8618 are available in 4-lead SC70 packages and typically consume only 3µA,
making them suitable for use in low power portable applications.
ADM8616 Maximum Ratings
| Parameter | Rating |
| VCC | -0.3V to +6V |
| RESET/RESET | -0.3V to +6V |
| Output Current (RESET, RESET) | 20mA |
| Operating Temperature Range | -40°C to +85°C |
| Storage Temperature Range | -65°C to +150°C |
| JA Thermal Impedance, SC70 | 146°C/W |
| Lead Temperature Soldering (10 sec) | 300°C |
| Vapour Phase (60 sec) | 215°C |
| Infrared (15 sec) | 220°C |
ADM8616 Features
Precision 1.8V to 5V Power Supply Monitoring
9 Reset Threshold Options: 1.58V to 4.63V
140ms (Min) Reset Timeout
Manual Reset Input (ADM8611)
Watchdog Timer (ADM8616ADM8618)
Reset Output Stages
Push-Pull Active-Low
Open-Drain Active-Low
Push-Pull Active-High
Low Power Consumption (3µA)
Guaranteed Reset Output valid to VCC=1V
Power Supply Glitch Immunity
Specified Over -40°C to +85°C Temperature Range
4-Lead SC70 Package
9 Reset Threshold Options: 1.58V to 4.63V
140ms (Min) Reset Timeout
Manual Reset Input (ADM8611)
Watchdog Timer (ADM8616ADM8618)
Reset Output Stages
Push-Pull Active-Low
Open-Drain Active-Low
Push-Pull Active-High
Low Power Consumption (3µA)
Guaranteed Reset Output valid to VCC=1V
Power Supply Glitch Immunity
Specified Over -40°C to +85°C Temperature Range
4-Lead SC70 Package
ADM8616 Typical Application
Microprocessor Systems
Computers
Controllers
Intelligent Instruments
Portable Equipment
Computers
Controllers
Intelligent Instruments
Portable Equipment
ADM8616 Connection Diagram
ADM8616
PDF/DataSheet Download
- Datasheet: ADM8616
- File Size: 113829 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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ADM8616 Relative Products
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The ADM8611/ADM8616/ADM8617/ADM8618 are supervisory circuits which monitor power supply voltage levelsand code execution integrity in microprocessor-based systems. A power-on-reset signal is generated when the supply voltage rises to a preset threshold level...
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