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ADM1232ARWZ
+БОМIC SUPERVISOR 1 CHANNEL 16SOIC
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ПроизводительКомпания Analog Devices Inc.
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Мфр. Часть #ADM1232ARWZ
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Лист данных ADM1232ARWZ DataSheet
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В наличии7319
365 Дни гарантии качества
7*24 часы обслуживания каранти
90-гарантия послепродажного дня
Гарантия подлинного продукта
Спецификации
| Атрибут | Ценность |
| Part Status | Active |
| Digi Key Programmable | Not Verified |
| Type | Simple Reset/Power-On Reset |
| Number of Voltages Monitored | 1 |
| Voltage - Threshold | Adjustable/Selectable |
| Output | Open Drain, Push-Pull |
| Reset | Active High/Active Low |
| Reset Timeout | 250ms Minimum |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 16-SOIC |
| Base Product Number | ADM1232 |
Обзор
Description
Key features include a manual reset input, a watchdog timer, and a tolerance for a range of supply voltages, enhancing system robustness. The device is commonly used in applications where maintaining the integrity of operations is crucial, such as embedded systems, telecommunications, and industrial controls.
Its small footprint and low power consumption make the ADM1232ARWZ suitable for compact and energy-efficient designs. By ensuring that microprocessors reset reliably during power anomalies, the ADM1232ARWZ helps maintain the stability and reliability of electronic systems.
Equivalent
1. MAX1232 from Maxim Integrated
2. DS1232 from Dallas Semiconductor (now a part of Maxim Integrated)
3. MCP120/121 series from Microchip Technology
4. TL7705A from Texas Instruments
These alternatives provide similar functionalities like watchdog timer, reset capabilities, and voltage monitoring. However, always check the specific datasheets to ensure compatibility with your application.
Features
1. Supply Voltage Monitoring: It ensures reliable operation by monitoring the voltage levels of the power supply and triggering a reset if they fall below a predefined threshold.
2. Manual Reset Input: The device includes a manual reset input feature that allows external control over the reset function.
3. Watchdog Timer: The built-in watchdog timer can be used to reset the microprocessor in the event of a system hang or failure to respond within a set time interval.
4. Reset Output: It provides a reset output signal that can be used to reset the microprocessor and associated circuitry, ensuring a clean start after a power fault or watchdog timeout.
5. Voltage Detection Accuracy: The ADM1232ARWZ offers precise voltage detection, critical for maintaining system reliability.
6. Package and Temperature Range: It is typically packaged in a small form factor and operates over a wide temperature range, making it suitable for various applications.
These features make the ADM1232ARWZ ideal for maintaining system integrity in embedded applications.
Pinout
Key functions and pin descriptions include:
1. RESET (Pin 1): An active-low reset output that asserts when the monitored supply voltage dips below a preset threshold or when the watchdog timer is not serviced.
2. RESET (Pin 2): An active-high reset output that functions similarly to the RESET pin but with opposite polarity.
3. TOL (Pin 3): Tolerance pin that selects the threshold voltage for the reset circuitry.
4. GND (Pin 4): Ground reference for the device.
5. WDI (Pin 5): Watchdog input, which should be toggled periodically to prevent the RESET signal from being asserted due to a timeout condition.
6. VCC (Pin 6): Power supply input.
7. TD (Pin 7): Time delay input that sets the reset timeout period.
8. PBRST (Pin 8): Push-button reset input that allows an external switch to trigger a manual reset.
This arrangement ensures reliable operation by preventing system lock-up during power anomalies.
Manufacturer
Application
1. Embedded Systems: Ensures proper system reset during power-up or brownout conditions.
2. Computers and Servers: Provides reliable reset signals to prevent system crashes.
3. Networking Equipment: Monitors power and system health, ensuring stable operation.
4. Industrial Control Systems: Offers supervisory functions to maintain system integrity.
5. Consumer Electronics: Used in devices requiring reliable reset functionality to enhance user experience.
6. Automotive Systems: Ensures stable operation of microcontroller units in vehicles.
These applications benefit from the device's ability to provide accurate reset and watchdog timer functions.