ADM6326-30ARTZ-R7

Product Overview

Category

ADM6326-30ARTZ-R7 belongs to the category of voltage monitoring and reset ICs.

Use

This product is primarily used for monitoring and resetting voltage levels in electronic circuits.

Characteristics

• Voltage monitoring range: 0.8V to 5.5V
• Reset threshold accuracy: ±1.5%
• Low quiescent current: 3µA (typical)
• Power supply glitch immunity
• Manual reset input
• Watchdog timer
• Small package size: SOT-23-3
• RoHS compliant

Package and Quantity

ADM6326-30ARTZ-R7 is available in a small SOT-23-3 package. It is typically sold in reels containing 3000 units.

Specifications

• Supply voltage range: 1.2V to 5.5V
• Operating temperature range: -40°C to +85°C
• Reset timeout period: 140ms (typical)
• Manual reset pulse width: 1µs (minimum)
• Watchdog timeout period: 1.6s (typical)

Pin Configuration

The ADM6326-30ARTZ-R7 has three pins:

1. VDD: Power supply input
2. GND: Ground reference
3. MR: Manual reset input

Functional Features

1. Voltage Monitoring: The ADM6326-30ARTZ-R7 continuously monitors the supply voltage and asserts a reset signal when it falls below a specified threshold.
2. Manual Reset: The MR pin allows for an external manual reset input, which can be used to force a system reset.
3. Watchdog Timer: This IC includes a watchdog timer that generates a reset signal if the system fails to toggle a specific pin within a predefined time period.
4. Power Supply Glitch Immunity: The ADM6326-30ARTZ-R7 is designed to be immune to short-duration voltage glitches, ensuring reliable operation in noisy environments.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows for compatibility with various systems.
• Low quiescent current minimizes power consumption.
• Small package size enables space-saving designs.
• Power supply glitch immunity enhances system reliability.

Disadvantages

• Reset threshold accuracy may not be suitable for applications requiring high precision.
• Limited number of pins restricts the availability of additional features.

Working Principles

The ADM6326-30ARTZ-R7 operates by comparing the supply voltage against a preset threshold. When the voltage falls below this threshold, the reset output is asserted, indicating that the system should be reset. The manual reset input (MR) can also be used to force a reset regardless of the supply voltage level. Additionally, the watchdog timer monitors the toggling of a specific pin within a defined time period. If the pin remains static for longer than the timeout period, a reset signal is generated.

Application Field Plans

The ADM6326-30ARTZ-R7 finds applications in various electronic systems where voltage monitoring and reset functionality are required. Some potential application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Industrial automation
4. Power management systems
5. Communication equipment
6. Automotive electronics

Alternative Models

1. ADM6326-31ARTZ-R7: Similar to ADM6326-30ARTZ-R7 but with a different reset threshold voltage.
2. ADM6326-33ARTZ-R7: Similar to ADM6326-30ARTZ-R7 but with a different reset threshold voltage.
3. ADM6326-35ARTZ-R7: Similar to ADM6326-30ARTZ-R7 but with a different reset threshold voltage.

These alternative models offer similar functionality but with different reset threshold voltages to suit specific application requirements.

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