ADM690AARN

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ADM690AARN

+BOM

IC SUPERVISOR 1 CHANNEL 8SOIC

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Specifications

Attribute Value
PartStatus Obsolete
DigiKeyProgrammable Not Verified
Type Battery Backup Circuit
NumberofVoltagesMonitored 1
Voltage-Threshold 4.65V
Output Push-Pull, Totem Pole
Reset Active Low
ResetTimeout 140ms Minimum
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 8-SOIC
BaseProductNumber ADM690

Overview

Description

The ADM690AARN is a precision voltage supervisor and reset IC designed for monitoring power supply voltages in microcontroller and microprocessor systems. It ensures that the system operates reliably by generating a reset signal when the supply voltage drops below a specified threshold. This prevents erroneous operation during power-up or brownout conditions.
Key features of the ADM690AARN include a programmable reset assertion time, low supply current, and a wide operating voltage range. It typically includes additional functions like watchdog timers and manual reset inputs, enhancing system reliability. The device is packaged in a compact 8-lead SOIC format, making it suitable for space-constrained applications.
Overall, the ADM690AARN is ideal for use in consumer electronics, automotive systems, and industrial applications where reliable operation during voltage fluctuations is critical.

Equivalent

The ADM690AARN is a supervisory circuit primarily used for monitoring power supply voltage levels. Equivalent products include the MAX810, MCP100, and LM393 These alternatives also provide voltage monitoring and reset functions for microcontrollers and systems. Always verify specific features like voltage thresholds and reset timing to ensure compatibility with your application.

Features

The ADM690AARN is a precision voltage supervisor designed for monitoring power supply voltages. Key features include:
1. Voltage Monitoring: It offers multiple voltage monitoring thresholds, typically around 1.5V to 5V, providing flexibility for various applications.
2. Low Power Consumption: The device operates with minimal power draw, making it suitable for battery-operated devices.
3. Active-Low Output: It provides an active-low output signal when the monitored voltage falls below the set threshold, enabling easy interfacing with microcontrollers.
4. Reset Delay: The ADM690AARN includes a built-in reset delay to prevent false triggering during power-up or transient conditions.
5. Temperature Range: It operates over a wide temperature range, typically from -40°C to +125°C, ensuring reliability in harsh environments.
6. Package Options: Available in space-saving packages, suitable for various PCB layouts.
These features make the ADM690AARN ideal for consumer electronics, industrial equipment, and automotive applications where reliable voltage supervision is critical.

Pinout

The ADM690AARN is an integrated circuit that combines a microprocessor supervisory function with a watchdog timer. It comes in a 16-pin package.
Pin Count: 16 pins
Key Functions:
1. VCC Monitor: Monitors the supply voltage and provides a reset signal when the voltage drops below a preset threshold.
2. Reset Output: Generates a reset output when the supply voltage falls below the specified level or when the watchdog timer expires.
3. Watchdog Timer: Provides a timing function to ensure that the microprocessor is operating correctly and resets it if it fails to respond.
4. Manual Reset Input: Allows for manual resetting of the system.
5. Active Low Reset: The reset output is active low, ensuring that the system is held in reset during power-up or when faults are detected.
This versatile device is crucial for ensuring reliable operation in microprocessor-based systems.

Manufacturer

The ADM690AARN is manufactured by Analog Devices, Inc. Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company focuses on providing innovative solutions for various industries, including telecommunications, automotive, healthcare, and industrial automation. Established in 1965 and headquartered in Norwood, Massachusetts, Analog Devices is known for its commitment to quality and cutting-edge technology, developing products that enhance performance in electronic systems. The ADM690AARN is a voltage supervisor with a watchdog timer, commonly used in power management applications to ensure proper operation and reliability of electronic devices.

Application

The ADM690AARN is a voltage monitor and supervisory circuit primarily used in power management applications. Its key areas include:
1. Microprocessor and Microcontroller Monitoring: Ensures proper operation by monitoring supply voltages.
2. Battery Backup Systems: Manages voltage levels to prevent system failures during power loss.
3. Consumer Electronics: Enhances reliability in devices like computers and smartphones.
4. Telecommunications Equipment: Maintains stable operation in networking devices.
5. Industrial Automation: Monitors voltage in control systems to ensure safe operation.
Overall, it is essential for systems requiring reliable voltage supervision and reset capabilities.

Package

The ADM690AARN is packaged in a 14-lead TSSOP (Thin Shrink Small Outline Package). This compact package type is designed for space-efficient applications in electronic circuits.

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