Power-Supply Monitor with Reset The MAX702ESA+ is a low-power, CMOS-based, real-time clock (RTC) manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Manufacturer:** Maxim Integrated (now Analog Devices)
- **Part Number:** MAX702ESA+
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)
- **Supply Voltage Range:** 2.7V to 5.5V
- **Operating Temperature Range:** -40°C to +85°C
- **Timekeeping Current:** 400nA (typical)
- **Clock Accuracy:** ±2 minutes per month at 25°C
- **Interface:** Serial I²C (Inter-Integrated Circuit)
- **Integrated 32.768kHz Crystal Oscillator:** Supports external crystal
- **Battery Backup Support:** Switches to backup supply automatically
- **Alarm Function:** Programmable with interrupt output
- **Power-On Reset (POR) Monitor:** Ensures proper initialization
### **Descriptions:**
The MAX702ESA+ is a low-power RTC designed for battery-backed or low-power applications. It provides accurate timekeeping with minimal power consumption, making it suitable for portable and embedded systems. The device includes an I²C interface for communication with microcontrollers and supports an external crystal for timekeeping.
### **Features:**
- **Ultra-Low Power Consumption:** 400nA timekeeping current extends battery life.
- **Wide Voltage Range:** Operates from 2.7V to 5.5V.
- **I²C Serial Interface:** Simplifies communication with host systems.
- **Battery Backup Support:** Seamless switch to backup power.
- **Programmable Alarm:** Generates interrupts for time-based events.
- **Power-On Reset (POR):** Ensures reliable startup.
- **Compact 8-Pin SOIC Package:** Space-efficient for PCB designs.
This information is based solely on the manufacturer's datasheet and technical documentation.
