ADM6339BARJZ-RL7

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Supervisor

Characteristics: - Monitors the power supply voltage and generates a reset signal when the voltage falls below a specified threshold - Provides a reliable way to ensure proper system operation by preventing erratic behavior during power-up and power-down sequences - Can be used in various electronic devices, such as microcontrollers, digital cameras, and communication systems

Package: SOT-23-5

Essence: The ADM6339BARJZ-RL7 is a voltage supervisor IC that helps maintain stable operation of electronic devices by monitoring the power supply voltage.

Packaging/Quantity: The ADM6339BARJZ-RL7 is typically sold in reels containing 3000 units.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.32V, 2.93V, 3.08V, 4.38V, or 4.63V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ADM6339BARJZ-RL7 has a total of five pins:

1. VCC: Power supply input pin (+1.6V to +5.5V)
2. GND: Ground reference pin
3. RESET: Active-low reset output pin
4. MR: Manual reset input pin (active-low)
5. N/C: No connection pin (not internally connected)

Functional Features

• Monitors the power supply voltage continuously
• Generates an active-low reset signal when the voltage drops below the specified threshold
• Provides a manual reset option through the MR pin
• Offers a fixed reset timeout period to ensure proper system initialization

Advantages and Disadvantages

Advantages: - Ensures reliable system operation during power-up and power-down sequences - Small package size allows for space-efficient designs - Wide supply voltage range enables compatibility with various systems

Disadvantages: - Fixed reset timeout period may not be suitable for all applications - Limited number of available reset threshold voltage options

Working Principles

The ADM6339BARJZ-RL7 operates by continuously monitoring the power supply voltage. When the voltage falls below the specified threshold, the IC generates an active-low reset signal. This signal can be used to reset the microcontroller or other components in the system, ensuring a controlled and reliable startup.

Additionally, the ADM6339BARJZ-RL7 provides a manual reset option through the MR pin. When this pin is pulled low, it forces the reset output to go low, regardless of the monitored voltage level.

Detailed Application Field Plans

The ADM6339BARJZ-RL7 can be used in various electronic devices where stable power supply voltage is critical. Some potential application fields include:

1. Microcontrollers: Ensuring proper initialization and preventing erratic behavior during power-up.
2. Digital Cameras: Maintaining stable operation and preventing data corruption during power fluctuations.
3. Communication Systems: Guaranteeing reliable communication by resetting the system in case of power disturbances.

Detailed and Complete Alternative Models

1. MAX809: Voltage supervisor IC with adjustable reset threshold voltage and timeout period.
2. TPS3839: Ultra-low-power voltage supervisor IC with programmable reset threshold voltage and timeout period.
3. LTC2910: Precision voltage supervisor IC with adjustable reset threshold voltage and watchdog timer functionality.

These alternative models offer similar voltage monitoring and reset functions but provide additional features or flexibility depending on specific application requirements.

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