양방향 I2C 절연 모듈 -ADuM1252
(I2C ISOLATOR 7 CLICK)
개요
- 본 제품은 양방향 I2C 절연 모듈 -ADuM1252입니다.
- ADuM1252 칩을 기반으로 디자인된 제품으로 최대 2Mhz SCL 데이터 전속속도의 양방향 I2C 인터페이스를 절연하여 줄 수 있습니다.
- 솔더 점퍼에 따라 3.3V/5V 시스템과 사용할 수 있습니다.
특징
-
HOW DOES IT WORK?
I2C Isolator 7 Click is based on the ADuM1252, an ultra-low power, bidirectional I2C isolator from Analog Devices. It features independent power supplies on both sides. Side 1 is reserved for 3.3V and 5V of mikroBUS™ socket rails, while side 2 can be supplied in a range of 1.71V up to 5.5V. To prevent latch-up action, its side 1 outputs comprise a special buffer that regulates the logic-low voltage, and the input logic-low threshold is lower than the output logic-low voltage. In addition, side 2 features conventional buffers that do not regulate logic-low output voltage.
I2C Isolator 7 Click uses a standard 2-Wire I2C interface to allow the host MCU to have an isolated bidirectional data transfer with a connected I2C device to the I2C terminals. As we mentioned, besides the I2C bus, the power supply is isolated, too. Places for optional pull-ups on the I2C bus are left unpopulated. You can solder resistors according to your needs.
This Click board™ can operate with either 3.3V or 5V logic voltage levels selected via the VCC SEL jumper. This way, both 3.3V and 5V capable MCUs can use the communication lines properly. Also, this Click board™ comes equipped with a library containing easy-to-use functions and an example code that can be used as a reference for further development.
SPECIFICATIONS
Type I2C,Isolators Applications Can be used for the development of applications based on transferring digital signals between circuits with different power domains at ambient temperatures On-board modules ADuM1252 - ultra-low power, bidirectional I2C isolator from Analog Devices Key Features Two bidirectional open-drain channels for applications such as I2C, wide independent supply range, especially for side 2, enhanced hot-swappable side 2 IO, strong current sinking, robust galvanic isolation of digital signals, ultra-low power consumption, and more Interface I2C ClickID Yes Compatibility mikroBUS™ Click board size M (42.9 x 25.4 mm) Input Voltage 3.3V or 5V,External
문서
연관제품
- 연관제품 1