1Pc CJMCU-1201 ADUM1201ARZ Digital Isolator Module Replace Optocouplers

The ADUM120X dual-channel digital isolator module is designed for reliable logic signal isolation in microcontroller systems, digital communication circuits, industrial control applications, and embedded electronics projects. It uses high-speed CMOS technology and chip-scale transformer isolation technology, offering improved performance, lower power consumption, and a compact size compared with traditional optocoupler-based isolation solutions.Product SpecificationsProduct Name: ADUM120X Dual-Channel Digital Isolator ModuleChannel Type: Dual-channel digital isolationTechnology: High-speed CMOS and chip-level transformer isolationOperating Voltage: 3–5V DCSide 1 Supply Voltage: 2.7V–5.5VSide 2 Supply Voltage: 2.7V–5.5VIsolation Voltage: 2500VOperating Temperature: Up to 125°CSignal Type: Digital logic signalTypical Logic Compatibility: 3.3V / 5V logic systemsTypical Applications: MCU isolation, UART isolation, GPIO isolation, industrial control, digital communication, signal isolationPin DefinitionsVDD1: Side 1 power supply, 2.7V–5.5VVOA: Side 1 Logic Output AVIB: Side 1 Logic Input BGND1: Side 1 Power Supply GroundGND2: Side 2 Power Supply GroundVOB: Side 2 Logic Output BVIA: Side 2 Logic Input AVDD2: Side 2 power supply, 2.7V–5.5V

• ADUM1201 Dual-Channel Digital Isolator Module: This CJMCU-1201 module is based on the ADUM1201ARZ digital isolator, providing dual-channel digital signal isolation for MCU communication, industrial control, sensor systems, data acquisition, and embedded electronics projects.
• Magnetic Isolation Alternative to Optocouplers: Using high-speed CMOS technology and chip-scale transformer isolation, the ADUM1201 offers advantages over traditional optocouplers in speed, power consumption, size, stability, and long-term reliability, without LED aging issues.
• 2500V Isolation for System Protection: With up to 2500V isolation voltage, the module helps isolate ground loops, common-mode noise, voltage differences, and interference between control circuits and field-side equipment, improving system safety and noise immunity.
• Compatible with 3V–5V Logic Systems: The module operates from 3–5V DC, making it suitable for common 3.3V and 5V microcontroller platforms such as Arduino, STM32, ESP32, Raspberry Pi Pico, and other digital control systems.
• Ideal for Digital Signal Isolation Applications: Suitable for isolating UART, GPIO, SPI control lines, PWM signals, pulse signals, and other digital logic signals. With an operating temperature of up to 125°C, it is a practical choice for industrial control, motor drive systems, power electronics, and communication isolation projects.