ADM1232ARWZ

Product Overview

Category

ADM1232ARWZ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage monitoring and reset functions.

Characteristics

• Voltage monitoring: ADM1232ARWZ monitors the supply voltage and provides a reset signal when the voltage drops below a certain threshold.
• Reset function: It ensures that the microcontroller or other digital circuitry starts in a known state after power-up or voltage fluctuations.
• Low power consumption: The IC operates with low power consumption, making it suitable for battery-powered applications.

Package

ADM1232ARWZ is available in a small outline package (SOIC) with 8 pins.

Essence

The essence of ADM1232ARWZ lies in its ability to monitor voltage levels and provide a reliable reset signal, ensuring proper functioning of electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Reset Threshold Voltage: 4.63V (typical)
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VCC: Power supply input
2. GND: Ground reference
3. RESET: Active-low reset output
4. MR: Manual reset input
5. VBAT: Backup battery input
6. GND: Ground reference
7. RESET: Active-low reset output
8. VCC: Power supply input

Functional Features

• Voltage Monitoring: ADM1232ARWZ continuously monitors the supply voltage and compares it with the preset threshold.
• Reset Generation: When the supply voltage drops below the threshold, the IC generates an active-low reset signal.
• Manual Reset: The MR pin allows for manual reset initiation, overriding the voltage monitoring function.
• Backup Battery Support: VBAT pin enables connection to a backup battery for uninterrupted operation during power loss.

Advantages and Disadvantages

Advantages

• Reliable voltage monitoring and reset functionality
• Low power consumption
• Compact package size
• Wide operating temperature range

Disadvantages

• Limited number of pins for additional functionalities
• Requires external components for backup battery support

Working Principles

ADM1232ARWZ operates by continuously monitoring the supply voltage using an internal voltage comparator. When the voltage drops below the preset threshold, the IC triggers the reset output, ensuring a controlled restart of the connected digital circuitry. The manual reset input allows for user-initiated resets, while the backup battery input ensures uninterrupted operation during power interruptions.

Detailed Application Field Plans

ADM1232ARWZ finds applications in various electronic devices where reliable voltage monitoring and reset functions are crucial. Some common application fields include: - Microcontrollers - Embedded systems - Industrial control systems - Power management circuits - Communication equipment

Detailed and Complete Alternative Models

1. ADM1232ANZ: Similar functionality with a different package (PDIP)
2. MAX1232CPA: Voltage monitor and reset IC with additional features
3. LTC2937: Precision voltage monitor and reset supervisor with adjustable thresholds

These alternative models offer similar voltage monitoring and reset functionalities, catering to different package preferences or providing additional features based on specific requirements.

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