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ADM706SAR
+NomenclatureIC SUPERVISOR 1 CHANNEL 8SOIC
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FabricantAnalog Equipment GmbH.
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Pièce fabricant #ADM706SAR
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Package SOP-8
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En stock4760
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Spécifications
| Attribut | Valeur |
| Package / Case | Tube,Tube |
| Part Status | Obsolete |
| Type | Simple Reset/Power-On Reset |
| Number of Voltages Monitored | 1 |
| Voltage - Threshold | 2.93V |
| Output | Push-Pull, Totem Pole |
| Reset | Active Low |
| Reset Timeout | 160ms Minimum |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Présentation
Description
1. Voltage Monitoring: It supervises the power supply voltage, often with preset thresholds, to ensure that the connected microprocessor operates correctly.
2. Reset Functionality: The device provides a reset signal to the microprocessor when the power supply voltage drops below a certain threshold, preventing erroneous operations during power fluctuations.
3. Watchdog Timer: It often includes a watchdog timer that resets the microprocessor if it fails to reset the timer within a certain period, preventing system lock-up.
4. Battery Backup Switching: Some versions include circuitry for switching to a backup battery when the primary power supply fails, ensuring data retention in critical applications.
5. Compact Design: These devices typically come in small packages suitable for space-constrained applications.
Overall, ADM706SAR enhances the reliability and stability of electronic systems by offering essential supervisory functions.
Equivalent
1. MAX706S by Maxim Integrated - Offers similar features for monitoring and resetting.
2. TL7705A by Texas Instruments - Provides similar voltage monitoring and reset capabilities.
3. MCP101 by Microchip Technology - A similar voltage supervisory device.
4. CAT706 by ON Semiconductor - Another equivalent in functionality for microprocessor supervision.
These alternatives provide comparable functions such as monitoring power supply levels and resetting microcontrollers. Always verify specific feature requirements and compatibility before substituting.
Features
1. Reset Output: It provides a reset signal to the microprocessor during power-up, power-down, and brownout conditions, ensuring the system starts and operates reliably.
2. Voltage Monitoring: Monitors supply voltage and triggers a reset if it falls below a preset threshold, ensuring the microprocessor does not operate under insufficient voltage conditions.
3. Manual Reset Input: Allows an external signal to trigger a reset, aiding in testing and troubleshooting.
4. Watchdog Timer: Monitors microprocessor activity to detect and address software faults by triggering a reset if the processor does not periodically toggle the watchdog input.
5. Power Supply Tolerance: Features different threshold options to accommodate various system requirements, with models available for 5V, 3.3V, and other voltages.
6. Low Power Consumption: Suitable for battery-operated devices due to its low power draw.
This combination of features makes the ADM706SAR ideal for enhancing the reliability and robustness of microprocessor-based systems.
Pinout
1. VCC (Pin 8): This pin is connected to the system's power supply voltage. The ADM706SAR monitors this voltage.
2. GND (Pin 4): This is the ground pin.
3. RESET (Pin 1): This active low output is used to reset the microprocessor during power-up, power-down, or when a brownout condition is detected.
4. RESET (Pin 7): This active high output is similar to the active low reset but provides an inverted logic level.
5. MR (Pin 3): Manual Reset Input. A low on this pin triggers a reset.
6. WDI (Pin 6): Watchdog Input. If this pin is not toggled within a set time period, a reset is generated.
7. TD (Pin 2): Time Delay select. Allows selection of different reset timeout periods with an external capacitor.
8. VBAT (Pin 5): Backup battery input. It allows a backup battery to power the chip when VCC falls below a certain threshold.
The ADM706SAR is integral for ensuring reliable microprocessor operation by supervising and controlling reset operations and power supply conditions.
Manufacturer
Application
1. Microprocessor Monitoring: Provides reset signals for microprocessors, preventing erratic operation in undervoltage conditions.
2. Embedded Systems: Ensures reliable startups and resets in embedded systems.
3. Battery-Powered Devices: Monitors battery voltage to prevent excessive discharge.
4. Industrial Control Systems: Ensures system integrity by managing power failures.
5. Consumer Electronics: Offers voltage monitoring for stable operation.
6. Communications Equipment: Maintains system stability in network devices.
These features make the ADM706SAR versatile for applications requiring robust voltage supervision and microprocessor control.