Overview
The ADN4620BRSZ is a 3.75 kV RMS, dual-channel Low Voltage Differential Signaling (LVDS) isolator produced by Analog Devices Inc. This component integrates Analog Devices' iCoupler® technology, combining a 2-channel isolator with LVDS receivers and drivers into a single, 20-lead SSOP package. It is designed to operate at high data rates of up to 2.5 Gbps with low jitter, making it suitable for applications requiring high-speed data transmission and galvanic isolation.
Key Specifications
| Parameter | Value |
|---|---|
| Isolation Voltage | 3.75 kV RMS |
| Data Rate | Up to 2.5 Gbps |
| Package Type | 20-lead SSOP |
| Power Supply (Side 1) | 1.8 V (VDD1), 3.3 V (VIO1) |
| Power Supply (Side 2) | 1.8 V (VDD2), 3.3 V (VIO2 for ADN4621 only) |
| Jitter Performance | <1 ps rms for random jitter |
| Ground and Power Planes | Separate ground and power planes for each side |
Key Features
- Isolated ground planes (logic side and bus side)
- High-speed layout supporting 2.5 Gigabit operation
- Precision jitter measurements (<1 ps rms for random jitter)
- Convenient connections through SMA terminals
- Jumper-selectable refresh mode to correct output state
- Termination resistors on all LVDS receivers
- Refresh function to ensure correct output state at power-up
Applications
The ADN4620BRSZ is ideal for various high-speed data transmission applications that require galvanic isolation, such as industrial control systems, medical devices, automotive systems, and high-speed data acquisition systems. Its ability to operate at high data rates and maintain low jitter makes it suitable for applications where reliable and fast data transfer is critical.
Q & A
- What is the isolation voltage of the ADN4620BRSZ?
The isolation voltage of the ADN4620BRSZ is 3.75 kV RMS. - What is the maximum data rate supported by the ADN4620BRSZ?
The ADN4620BRSZ supports data rates up to 2.5 Gbps. - What type of package does the ADN4620BRSZ come in?
The ADN4620BRSZ comes in a 20-lead SSOP package. - What are the power supply requirements for the ADN4620BRSZ?
The ADN4620BRSZ requires 1.8 V power on both sides (VDD1 and VDD2) and 3.3 V power for LVDS receivers on Side 1 (VIO1) and Side 2 (VIO2 for ADN4621 only). - How does the ADN4620BRSZ manage jitter?
The ADN4620BRSZ achieves precision jitter measurements of less than 1 ps rms for random jitter. - What is the purpose of the refresh mode in the ADN4620BRSZ?
The refresh mode ensures the correct output state at power-up and can be disabled to reduce internal switching noise and provide even lower jitter. - What are the benefits of separate ground and power planes in the ADN4620BRSZ?
The separate ground and power planes enable galvanic isolation between both sides of the device, enhancing safety and reliability in high-speed data transmission applications. - How do you connect to the ADN4620BRSZ?
Connections are made through SMA terminals. - What equipment is needed to evaluate the ADN4620BRSZ using the evaluation kit?
A signal generator, oscilloscope, and power supply are required to evaluate the ADN4620BRSZ using the evaluation kit. - What is the significance of the iCoupler technology in the ADN4620BRSZ?
The iCoupler technology integrates a 2-channel isolator with LVDS receivers and drivers into a single package, enhancing the component's functionality and efficiency.
