ADM708ARM

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, precision voltage monitoring
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Ensures reliable system operation by monitoring the power supply voltage
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V, and adjustable
• Reset Timeout Period Options: 140ms, 560ms, 1120ms, and adjustable
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typical)

Detailed Pin Configuration

The ADM708ARM features an 8-pin SOIC package with the following pin configuration:

1. RESET: Active-low reset output
2. GND: Ground reference
3. VCC: Positive power supply input
4. MR: Manual reset input
5. CT: Capacitor connection for adjustable reset timeout period
6. RESET: Active-low reset output
7. VCC: Positive power supply input
8. GND: Ground reference

Functional Features

• Monitors the power supply voltage and asserts a reset signal when it falls below a specified threshold.
• Provides a manual reset input for immediate system reset.
• Offers options for adjustable reset threshold voltage and timeout period.
• Low quiescent current consumption ensures minimal power usage.

Advantages and Disadvantages

Advantages: - Reliable voltage monitoring for system stability. - Low-power operation for energy efficiency. - Adjustable reset threshold and timeout options for flexibility. - Manual reset input for immediate system reset.

Disadvantages: - Limited supply voltage range (1.2V to 5.5V). - Fixed number of reset threshold and timeout options.

Working Principles

The ADM708ARM operates by continuously monitoring the power supply voltage. When the voltage falls below the specified threshold, the device asserts a reset signal, indicating that the system should be reset. The reset signal remains active until the voltage rises above the threshold or a manual reset is triggered. The adjustable options allow customization of the threshold voltage and timeout period according to specific application requirements.

Detailed Application Field Plans

The ADM708ARM is commonly used in various applications where reliable voltage monitoring is crucial for system stability. Some potential application fields include:

1. Microcontrollers: Ensuring proper operation by monitoring the power supply voltage.
2. Industrial Control Systems: Preventing malfunctions due to voltage fluctuations.
3. Automotive Electronics: Protecting sensitive components from voltage drops.
4. Battery-Powered Devices: Extending battery life by implementing efficient power management.
5. Communication Systems: Maintaining stable operation during power supply variations.

Detailed and Complete Alternative Models

1. MAX708: Similar voltage supervisor IC with adjustable reset threshold and timeout options.
2. LTC2937: Precision voltage monitor with programmable reset threshold and timeout features.
3. TPS3808: Ultra-low-power voltage supervisor with fixed reset threshold and adjustable timeout.
4. MCP101: Voltage supervisor IC with fixed reset threshold and timeout options.
5. NCP302: Low-power voltage detector with adjustable reset threshold and timeout capabilities.

These alternative models offer similar functionality to the ADM708ARM and can be considered based on specific application requirements.

Word count: 446 words