Overview
The ADM825TYKSZ-R7 is a supervisory circuit produced by Analog Devices Inc., designed to monitor power supply voltage levels and code execution integrity in microprocessor-based systems. This component provides essential functions such as power-on reset signals, an on-chip watchdog timer, and manual reset capabilities. It is particularly useful in ensuring the reliable operation of microprocessors and other critical system components.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| VCC | -0.3 | 6 | V | ||
| Operating Temperature Range | -40 | 125 | °C | ||
| Storage Temperature Range | -65 | 150 | °C | ||
| Output Current (RESET, RESET) | 20 | mA | |||
| Watchdog Timeout Period | 1.12 | 1.6 | 2.40 | sec | |
| WDI Pulse Width | 50 | ns | VIL = 0.4 V, VIH = 0.8 × VCC | ||
| MR Input Pulse Width | 1 | µs | |||
| MR Glitch Rejection | 100 | ns | |||
| Package Type | 5-Lead SC70 | ||||
| Thermal Impedance (SC70) | 146 | °C/W |
Key Features
- Provides power-on reset signals and an on-chip watchdog timer to reset the microprocessor if it fails to strobe within a preset timeout period.
- Manual reset input allows for external reset via a push-button.
- Low power consumption: 5 µA.
- Guaranteed reset output valid to VCC = 1 V.
- Power supply glitch immunity.
- Specified over automotive temperature range.
- Available in 5-lead SC70 and SOT-23 packages.
Applications
- Microprocessor systems.
- Computers.
- Controllers.
- Intelligent instruments.
- Portable equipment.
Q & A
- What is the primary function of the ADM825TYKSZ-R7?
The primary function is to monitor power supply voltage levels and code execution integrity in microprocessor-based systems. - What types of packages are available for the ADM825TYKSZ-R7?
The component is available in 5-lead SC70 and SOT-23 packages. - What is the operating temperature range of the ADM825TYKSZ-R7?
The operating temperature range is -40°C to +125°C. - How much current can the reset output handle?
The reset output can handle up to 20 mA. - What is the watchdog timeout period for the ADM825TYKSZ-R7?
The watchdog timeout period is between 1.12 and 2.40 seconds. - Does the ADM825TYKSZ-R7 have manual reset capabilities?
Yes, it has a manual reset input that allows for external reset via a push-button. - What is the power consumption of the ADM825TYKSZ-R7?
The power consumption is 5 µA. - Is the ADM825TYKSZ-R7 RoHS compliant?
Yes, it is RoHS compliant. - What is the thermal impedance of the SC70 package?
The thermal impedance of the SC70 package is 146°C/W. - In what types of systems is the ADM825TYKSZ-R7 typically used?
It is typically used in microprocessor systems, computers, controllers, intelligent instruments, and portable equipment.
