ADM705ARZ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, Precision, Reset Output
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Monitors the power supply voltage and generates a reset signal when the voltage falls below a predetermined threshold.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V, 4.63V
• Reset Timeout Period Options: 140ms, 450ms, 1.12s, 2.25s
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ADM705ARZ IC has the following pin configuration:

```

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| | | 1 8 | | / \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |_______| | |_______________|

Pin 1: GND (Ground) Pin 2: RESET (Reset Output) Pin 3: VCC (Supply Voltage) Pin 4: MR (Manual Reset Input) Pin 5: GND (Ground) Pin 6: RESET (Reset Output) Pin 7: VCC (Supply Voltage) Pin 8: MR (Manual Reset Input) ```

Functional Features

• Monitors the power supply voltage and generates a reset signal when the voltage falls below the specified threshold.
• Provides a precision reset output with low-power consumption.
• Offers multiple options for reset threshold voltage and timeout period to suit different applications.
• Includes a manual reset input for external control of the reset function.

Advantages and Disadvantages

Advantages: - Low-power consumption - Precision reset output - Wide supply voltage range - Multiple options for reset threshold voltage and timeout period

Disadvantages: - Limited number of available reset threshold voltage and timeout period options - Requires external components for proper operation

Working Principles

The ADM705ARZ operates by continuously monitoring the power supply voltage. When the voltage falls below the predetermined threshold, the IC generates a reset signal. This reset signal can be used to initiate system resets or perform other necessary actions. The IC also includes a manual reset input that allows external control of the reset function.

Detailed Application Field Plans

The ADM705ARZ is commonly used in various electronic systems where reliable power supply monitoring and reset generation are critical. Some typical application fields include:

1. Microcontrollers and Microprocessors: Ensures proper system initialization and prevents erratic behavior during power-up or voltage fluctuations.
2. Communication Systems: Guarantees stable operation by resetting the system in case of power supply issues.
3. Industrial Control Systems: Provides reliable reset functionality to prevent data corruption or system malfunctions.
4. Automotive Electronics: Ensures safe and reliable operation of critical systems by monitoring the power supply voltage.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the ADM705ARZ include:

1. MAX705ESA: Manufactured by Maxim Integrated, this IC offers comparable features and performance.
2. MCP100T-315I/TT: Produced by Microchip Technology, this voltage supervisor IC provides similar functionality.
3. TPS3808G01DBVR: Texas Instruments offers this precision voltage supervisor IC as an alternative option.

These alternative models can be considered based on specific application requirements and availability in the market.

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