Our advantages    

Chinese manufacturing processes have undergone years of iteration, resulting in mature and reliable technologies. Many international corporations opt for production outsourcing in China. As an electronic components manufacturer in China, our products can fully replace those of major international brands in 99% of applications without the need for testing verification. Our products boast high consistency in quality, reasonable pricing, ample inventory, flexible supply, short lead times, and professional after-sales service.    

Description
The Polar SOP-8 Integrated Circuit (IC) is a compact and versatile semiconductor component designed to deliver efficient performance in various electronic applications. With its SOP-8 package format, this IC combines space-saving design with robust functionality, making it suitable for a wide range of circuit implementations.

Features

● With the built-in 32.768KHz crystal oscillator temperature compensation circuit provides high-accuracy clock output within the scope of

-40℃~85℃

● With the built-in crystal oscillator load capacitor, it supports the crystal oscillator frequency adjustment function

● It supports the high-speed I2C bus protocol (400KHz)

● Multiple interruption functions: includingtiming alarm interruption (settable parameters: week, day, hour, minute), fixed pe riod interruption and time updating interruption

● Programming realization of 32.768KHz/1024Hz/1Hz clock output

● It supports complete calendar functions during 2000-2099, and supports automatic adjustment of leap year

● I2C working voltage scope: 2.0V~5.5V; clock circuit working voltage scope: 1.6V~5.5V

● Low current power consumption: 2.3μA@3V(Typ)

General specifications

● Highly frequency stability:

● 25℃:±20ppm；(monthly deviation less than 55s)

● -40~85℃:±50ppm； (monthly deviation less than 136s)

● Built-in 12.5pF crystal load capacitor, in no need of calibration for output frequency

● Can slightly adjust the frequency through the configuration register: (0.75ppm/Step)

● Programmable to realize different frequency output functions:

● CLKOUT pin can drive 30pF capacitor load

● Optional output frequency: 32.768kHz, 1024Hz, 1Hz

● Abundant interruption functions:

● Fixed period interruption: set any period interruption between 1/4096s and 4095

● Timing alarm interruption: Can generate alarm interruption events in set week, day, hour or minute.

● Time updating interruption: Generate interruption alarm events with second updating or minute updating according to the set value.

● Automatic leap year adjustment function

Applications

● Consumer Electronics
● Communications
● Automotive Electronics
● Industrial Control