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ADM705ARZ
+BOMIC SUPERVISOR 1 CHANNEL 8SOIC
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ManufacturerAnalog Devices Inc.
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Mfr. Part #ADM705ARZ
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Datasheet ADM705ARZ DataSheet
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Package SOIC-8
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In Stock1720
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Specifications
| Attribute | Value |
| Package / Case | Tube |
| Part Status | Active |
| Type | Simple Reset/Power-On Reset |
| Number of Voltages Monitored | 1 |
| Voltage - Threshold | 4.65V |
| Output | Push-Pull, Totem Pole |
| Reset | Active Low |
| Reset Timeout | 160ms Minimum |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Overview
Description
1. Voltage Monitoring: It monitors the supply voltage and initiates a reset if the voltage drops below a preset threshold, ensuring that the microprocessor operates within safe voltage levels.
2. Reset Functionality: The device provides a reset output to initiate a reset sequence for the microprocessor if the voltage falls below a specified level or during power-up/power-down situations.
3. Manual Reset Input: It includes a manual reset input, allowing an external signal to trigger a reset.
4. Watchdog Timer: Some variants include a watchdog timer to reset the microprocessor in case of program errors or if the device becomes unresponsive.
5. Compact Package: The ADM705ARZ is available in a small package, making it suitable for space-constrained applications.
Overall, the ADM705ARZ enhances system reliability by protecting microprocessors against power supply anomalies and system errors.
Equivalent
Features
1. Supply Voltage Monitoring: It monitors supply voltages and provides a reset output to ensure that systems operate properly and safely.
2. Reset Output: It has an active low reset output that indicates when the monitored voltage falls below a preset threshold, ensuring proper initialization of microprocessors and digital circuitry.
3. Manual Reset Input: A manual reset input allows the user to trigger a reset manually, adding flexibility for system testing and debugging.
4. Low Power Consumption: The device is energy-efficient, making it suitable for battery-operated applications.
5. Compact Package: It comes in a small surface-mount package, making it ideal for space-constrained applications.
6. Temperature Range: The ADM705ARZ operates over a wide temperature range, enhancing its reliability across different environments.
These features make the ADM705ARZ suitable for applications requiring precise voltage supervision and reliable system reset capabilities.
Pinout
1. VCC (Pin 1): Power supply input.
2. GND (Pin 2): Ground reference for the device.
3. RESET (Pin 3): Active-low reset output. It goes low when VCC falls below the reset threshold and stays low for at least 140 ms after VCC rises above the threshold.
4. RESET (Pin 4): Active-high reset output, functioning inversely to the RESET pin.
5. WDI (Pin 5): Watchdog input. If not toggled within a specified timeout period, it triggers a reset.
6. MR (Pin 6): Manual reset input. A low level on this pin forces a reset.
7. NC (Pin 7): No connection, typically not internally connected.
8. NC (Pin 8): Another No connection pin.
These pins work together to ensure that the microprocessor system operates reliably, guarding against brownouts, and providing a reset signal during power-up, power-down, and voltage drops.
Manufacturer
Application
1. Embedded Systems: Ensures proper microcontroller operation by preventing execution errors during power fluctuations.
2. Consumer Electronics: Maintains system stability in devices like set-top boxes and gaming consoles.
3. Industrial Control: Protects PLCs and other industrial systems from voltage irregularities.
4. Networking Equipment: Assures reliable operation of routers and switches by preventing data corruption.
5. Automotive Systems: Ensures electronic control units (ECUs) function correctly under varying electrical conditions.