RTC-4701NB:B3 ROHS

Product Overview

Category: Electronic Component
Use: Timekeeping and Real-Time Clock (RTC)
Characteristics: High precision, low power consumption
Package: Surface Mount Device (SMD)
Essence: Accurate timekeeping and real-time clock functionality
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Timekeeping Accuracy: ±2ppm at 25°C
• Battery Backup Voltage: 1.8V to 5.5V
• Clock Frequency: 32.768kHz
• I2C Bus Interface: Supports Standard and Fast mode
• Alarm Function: Programmable alarms with interrupt capability
• Power Management: Automatic switchover to battery backup
• Oscillator Stop Detection: Detects and reports oscillator failure

Detailed Pin Configuration

The RTC-4701NB:B3 ROHS has the following pin configuration:

1. VCC: Power supply voltage input
2. GND: Ground reference
3. SDA: Serial Data Line for I2C communication
4. SCL: Serial Clock Line for I2C communication
5. SQW/INT: Square Wave Output or Interrupt Output
6. RST: Reset Input
7. BAT: Battery Backup Input
8. X1: Crystal connection terminal
9. X2: Crystal connection terminal

Functional Features

1. Accurate Timekeeping: The RTC-4701NB:B3 ROHS provides precise timekeeping with a high accuracy of ±2ppm.
2. Low Power Consumption: Designed for energy efficiency, it consumes minimal power during operation.
3. Battery Backup: The device supports battery backup, ensuring uninterrupted timekeeping during power outages.
4. Alarm Function: Programmable alarms with interrupt capability allow for timely notifications or system wake-up calls.
5. Power Management: It automatically switches to battery backup when the main power supply is unavailable.
6. Oscillator Failure Detection: The RTC-4701NB:B3 ROHS can detect and report any failure in the oscillator.

Advantages and Disadvantages

Advantages: - High precision timekeeping - Low power consumption - Battery backup ensures uninterrupted operation - Programmable alarms with interrupt capability - Automatic switchover to battery backup

Disadvantages: - Limited temperature range (-40°C to +85°C) - Requires an external crystal for clock generation

Working Principles

The RTC-4701NB:B3 ROHS utilizes an internal oscillator and a real-time counter to keep track of time. It relies on an external crystal for clock generation, which ensures accurate timekeeping. The device communicates with the host microcontroller through the I2C bus interface, allowing for easy integration into various systems. In case of a power outage, the RTC-4701NB:B3 ROHS seamlessly switches to battery backup mode, ensuring continuous timekeeping.

Detailed Application Field Plans

The RTC-4701NB:B3 ROHS finds applications in various fields, including:

1. Consumer Electronics: Used in digital clocks, watches, and home appliances that require accurate timekeeping.
2. Industrial Automation: Integrated into control systems, data loggers, and industrial timers for precise time synchronization.
3. Automotive: Incorporated into car infotainment systems, dashboard clocks, and vehicle tracking devices.
4. Medical Devices: Utilized in medical equipment such as patient monitors, infusion pumps, and diagnostic instruments.
5. Internet of Things (IoT): Integrated into IoT devices for time synchronization and event scheduling.

Detailed and Complete Alternative Models

1. RTC-4702NB:B3 ROHS: Similar to RTC-4701NB:B3 ROHS with extended temperature range (-40°C to +105°C).
2. RTC-4703NB:B3 ROHS: Enhanced version with additional features like temperature compensation and non-volatile memory.
3. RTC-4704NB:B3 ROHS: Low-power variant designed for battery-operated devices with extended battery life.

These alternative models offer similar functionality but cater to specific requirements or operating conditions.

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