MAX690RCSA+T
Product Overview
- Category: Integrated Circuits (ICs)
- Use: Real-Time Clock (RTC) with Battery Backup
- Characteristics:
- Low power consumption
- Wide operating voltage range
- Small package size
- High accuracy timekeeping
- Package: Surface Mount, 8-SOIC (0.154", 3.90mm Width)
- Essence: The MAX690RCSA+T is a real-time clock IC that provides accurate timekeeping and battery backup functionality.
- Packaging/Quantity: Tape & Reel (TR), 2,500 pieces per reel
Specifications
- Supply Voltage Range: 1.8V to 5.5V
- Operating Temperature Range: -40°C to +85°C
- Timekeeping Accuracy: ±2 minutes per month at 25°C
- Battery Backup Voltage Range: 1.2V to 5.5V
- Battery Backup Current: 600nA (typical)
Detailed Pin Configuration
The MAX690RCSA+T has the following pin configuration:
| Pin Name | Description | |----------|-------------| | VCC | Power supply input | | GND | Ground | | X1 | Crystal oscillator input | | X2 | Crystal oscillator output | | RST | Reset output | | CE | Chip enable input | | SDA | Serial data input/output | | SCL | Serial clock input |
Functional Features
- Real-time clock with battery backup
- Automatic switchover to battery power during power loss
- Programmable alarm and timer functions
- I2C-compatible serial interface for easy integration with microcontrollers
- Power-on reset and watchdog timer functionality
Advantages and Disadvantages
Advantages: - Low power consumption extends battery life - Wide operating voltage range allows for flexibility in power supply options - Small package size saves board space - High accuracy timekeeping ensures precise timing requirements
Disadvantages: - Limited timekeeping accuracy at extreme temperatures - Requires an external crystal oscillator for operation
Working Principles
The MAX690RCSA+T is a real-time clock IC that utilizes an internal oscillator and an external crystal to keep track of time. It operates on a low power supply voltage and can switch to battery backup mode during power loss. The IC communicates with a microcontroller through an I2C-compatible serial interface, allowing for easy integration into various systems.
Detailed Application Field Plans
The MAX690RCSA+T is commonly used in applications where accurate timekeeping is essential, such as:
- Industrial automation systems
- Medical devices
- Automotive electronics
- Consumer electronics
- Security systems
Detailed and Complete Alternative Models
- DS1307 - Real-Time Clock IC by Maxim Integrated
- PCF8563 - Real-Time Clock IC by NXP Semiconductors
- MCP7940N - Real-Time Clock IC by Microchip Technology
- DS3231 - Extremely Accurate I2C RTC IC by Maxim Integrated
These alternative models offer similar functionality and can be considered as alternatives to the MAX690RCSA+T based on specific application requirements.
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기술 솔루션에 MAX690RCSA+T 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of MAX690RCSA+T in technical solutions:
Q: What is the MAX690RCSA+T? A: The MAX690RCSA+T is a microprocessor supervisory circuit that monitors the power supply voltage of a system and generates a reset signal when the voltage falls below a predefined threshold.
Q: What is the purpose of using the MAX690RCSA+T in a technical solution? A: The MAX690RCSA+T ensures reliable operation of microprocessors and other digital ICs by providing a reset signal during power-up, power-down, or brownout conditions.
Q: How does the MAX690RCSA+T work? A: The MAX690RCSA+T continuously monitors the power supply voltage and asserts a reset signal when the voltage drops below a certain level. It keeps the reset signal active until the voltage rises above the threshold.
Q: What is the operating voltage range of the MAX690RCSA+T? A: The MAX690RCSA+T operates with a supply voltage range of 1.2V to 5.5V.
Q: Can the MAX690RCSA+T be used with different microprocessors and digital ICs? A: Yes, the MAX690RCSA+T can be used with a wide range of microprocessors and digital ICs as long as their supply voltage is within the operating range of the MAX690RCSA+T.
Q: Does the MAX690RCSA+T have any adjustable parameters? A: Yes, the MAX690RCSA+T has an adjustable reset threshold voltage that can be set using external resistors.
Q: Can the MAX690RCSA+T be used in battery-powered applications? A: Yes, the low supply current and wide operating voltage range of the MAX690RCSA+T make it suitable for battery-powered applications.
Q: Does the MAX690RCSA+T have any additional features? A: Yes, the MAX690RCSA+T includes a manual reset input and a watchdog timer that can be used to monitor system activity.
Q: What is the package type of the MAX690RCSA+T? A: The MAX690RCSA+T is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.
Q: Are there any application notes or reference designs available for using the MAX690RCSA+T? A: Yes, Maxim Integrated provides application notes and reference designs on their website that can help with the implementation of the MAX690RCSA+T in various technical solutions.
Please note that the answers provided here are general and may vary depending on specific requirements and use cases. It is always recommended to refer to the datasheet and documentation provided by the manufacturer for accurate information.