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MAX705CSA+T
+StücklisteIC SUPERVISOR 1 CHANNEL 8SOIC
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HerstellerAnalog Devices Inc./Maxim Integrated
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Herstellerteil #MAX705CSA+T
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Paket SOIC-8
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Auf Lager2763
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Bulk |
| ProductStatus | Obsolete |
| Type | Simple Reset/Power-On Reset |
| NumberofVoltagesMonitored | 1 |
| Voltage-Threshold | 4.65V |
| Output | Push-Pull, Totem Pole |
| Reset | Active Low |
| ResetTimeout | 140ms Minimum |
| OperatingTemperature | 0°C ~ 70°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Übersicht
Description
1. Voltage Monitoring: It monitors the supply voltage and generates a reset signal to the microprocessor whenever the voltage drops below a preset threshold, ensuring that the system does not operate under unstable conditions.
2. Reset Functionality: The device provides a reset output during power-up, power-down, and brownout conditions. This helps in preventing the microprocessor from executing erroneous operations.
3. Watchdog Timer: It includes a watchdog timer, which requires regular toggling by the microprocessor to confirm system health. If the microprocessor fails to toggle the watchdog within a specified time frame, a reset is triggered.
4. Power-Fail Comparator: The power-fail comparator gives an early warning of an impending power failure, allowing the system to take necessary steps to safeguard data.
The MAX705CSA+T is compact, easy to integrate, and suitable for a variety of applications, including embedded systems and consumer electronics, where reliable microprocessor operation is critical.
Equivalent
Features
1. Reset Functionality: It provides a precision voltage monitor and ensures a reset output during power-up, power-down, and brownout conditions. It guarantees a reset output for voltages below 4.65V.
2. Watchdog Timer: Includes a watchdog timer that resets the microprocessor if it fails to strobe within a specified timeout period, enhancing system reliability.
3. Manual Reset Input: Features a manual reset input for external override of the reset output.
4. Low Supply Current: Offers a low quiescent current of typically 50µA, optimizing power efficiency.
5. Power-Fail Comparator: Incorporates a power-fail comparator with a separate power-fail input and output.
6. Package and Temperature Range: Available in a space-efficient 8-pin SOIC package and operates over a temperature range of 0°C to +70°C.
These features make the MAX705CSA+T ideal for safeguarding microprocessor-controlled systems, ensuring they operate reliably under various power conditions.
Pinout
1. RESET (Pin 1): Active-low reset output.
2. RESET (Pin 2): Active-high reset output.
3. MR (Pin 3): Manual reset input, active-low.
4. GND (Pin 4): Ground reference.
5. VCC (Pin 5): Supply voltage input.
6. THRESHOLD (Pin 6): Threshold set pin for reset comparator.
7. WDI (Pin 7): Watchdog input, used to monitor microprocessor activity.
8. CEOUT (Pin 8): Chip-enable output, used to prevent erroneous data during power faults.
This IC ensures a proper reset during power-up/power-down and in the event of a voltage drop below the specified threshold, contributing to the reliability and stability of the system.
Manufacturer
Application
1. Embedded Systems: Ensures reliable operation by monitoring the microprocessor's voltage and resetting it if the voltage drops below a certain threshold.
2. Power Management: Manages power supply sequencing and brownout protection in electronic devices.
3. Consumer Electronics: Used in devices to prevent data corruption during power failures.
4. Industrial Controls: Offers system reliability by supervising microcontroller operations in harsh environments.
5. Telecommunications: Ensures stable system performance by providing power-fail detection and reset functionalities.
These applications utilize the MAX705CSA+T for its ability to enhance system reliability and prevent data loss.