About ISO7321CDR IC
Manufacturer: Texas Instruments Product Category: Digital Isolators RoHS: Details Series: ISO7321C Mounting Style: SMD/SMT Package/Case: SOIC-8 Number of Channels: 2 Channel Polarity: Unidirectional Data Rate: 25 Mb/s Isolation Voltage: 3000 Vrms Isolation Type: Galvanic Isolation Supply Voltage - Max: 5.5 V Supply Voltage - Min: 3 V Operating Supply Current: 3.7 mA Propagation Delay Time: 33 ns Minimum Operating Temperature: - 40 C Maximum Operating Temperature: + 125 C Packaging: Reel Packaging: Cut Tape Packaging: MouseReel Brand: Texas Instruments Forward Channels: 1 Channel Moisture Sensitive: Yes Pd - Power Dissipation: 56 mW Product Type: Digital Isolators Reverse Channels: 1 Channel Shutdown: No Shutdown 2500 Subcategory: Interface ICs Unit Weight: 540 mgRobust Signal IsolationISO7321CDR delivers reinforced isolation up to 2500 Vrms, effectively safeguarding low-voltage digital logic from high-voltage environments. This single-channel isolator ensures data signals are protected against electrical surges and ground differences, crucial for safety in industrial controls, automotive systems, and medical instrumentation. Its high CMTI performance further mitigates risks from transient voltages.
High-Speed, Low-Latency PerformanceEngineered for demanding data transmission, ISO7321CDR supports data rates up to 25 Mbps with a low typical propagation delay of 8 ns. This rapid response is essential for real-time signal processing and precise control in automation and monitoring systems, guaranteeing swift and synchronized data flow without compromising isolation integrity.
FAQ's of ISO7321CDR IC:
Q: How is the ISO7321CDR typically integrated into electronic systems?
A: The ISO7321CDR is designed for surface mount installation on printed circuit boards (PCBs), allowing straightforward integration into digital logic circuits that require isolation, such as industrial controllers, automotive modules, or medical devices.
Q: What advantages does the ISO7321CDR offer over conventional digital isolators?
A: This IC features reinforced isolation (2500 Vrms), high CMTI (>50 kV/s), and very low propagation delay (8 ns typical), providing robust protection against transients and rapid signal transmission. Its SOIC-8 package also makes it a space-saving, RoHS compliant, and easy-to-mount solution.
Q: Where can the ISO7321CDR be used for optimal performance?
A: ISO7321CDR excels in environments prone to electrical noise and voltage transients, such as factory automation, automotive control systems, and critical medical electronics, where signal isolation is paramount for system safety and reliability.
Q: What is the process for using ISO7321CDR in signal isolation?
A: Connect the digital input from the logic subsystem to the IC's input and retrieve the isolated output on the opposite side, ensuring that each side uses a separate ground. The IC allows reliable transfer of digital signals across the isolation barrier without direct electrical connection.
Q: When should the ISO7321CDR be selected for a design?
A: Choose this digital isolator when your project demands high isolation voltage, rapid data rate (up to 25 Mbps), low propagation delay, and robust immunity to common mode transients, particularly in harsh industrial, automotive, or healthcare applications.
Q: What ESD protections are supported by the ISO7321CDR?
A: The ISO7321CDR provides 4 kV Human Body Model ESD protection, helping shield both the device and connected circuits from electrostatic discharge damage.
Q: What are the main benefits of using ISO7321CDR in electronic designs?
A: Key benefits include ensured data integrity via high isolation voltage, robust transient immunity, very low channel-to-channel crosstalk, and ease of integration with both CMOS and TTL logic families, supporting high-speed communication in compact, lightweight form.