Overview
The ADN4620BRSZ-RL, produced by Analog Devices Inc., is a dual-channel, signal isolated, low voltage differential signaling (LVDS) buffer. This device operates at data rates up to 2.5 Gbps and is designed to provide high-speed, galvanic isolation of LVDS signal chains. It integrates Analog Devices' iCoupler® technology, which is enhanced for high-speed operation, ensuring reliable and isolated high-speed clock and data links.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Data Rate | - | - | 2.5 Gbps | - | - |
| Propagation Delay | - | 2.15 ns | - | - | - |
| Isolation Voltage | - | - | 7.5 kV RMS / 3.75 kV RMS | - | - |
| Supply Current (Side 1) | 65 mA | 80 mA | - | - | f = 1.25 GHz, RL = 100 Ω |
| Supply Current (Side 2) | 55 mA | 65 mA | - | - | f = 1.25 GHz, RL = 100 Ω |
| Input Capacitance | - | 3.4 pF | - | - | From any input data pin to ground |
| Input to Output Capacitance | - | 2.2 pF | - | - | Frequency = 1 MHz |
| Package Type | - | - | 20-SSOP (0.209", 5.30mm Width) | - | - |
Key Features
- Complies with TIA/EIA-644-A LVDS signal levels
- Dual-channel configuration (ADN4620: 2 + 0, ADN4621: 1 + 1)
- Any data rate up to 2.5 Gbps switching with low jitter
- 5 Gbps total bandwidth across two channels
- Isolated high speed clock and data links
- Multigigabit serialization/deserialization (SERDES)
- PCB-to-PCB optical replacement (e.g., short reach fiber)
- Refresh mechanism to monitor input and output states
Applications
- High-speed data communication systems
- Multigigabit serialization/deserialization (SERDES)
- PCB-to-PCB optical replacement (e.g., short reach fiber)
- Isolated high-speed clock and data links
- Industrial control systems requiring galvanic isolation
- Medical devices and equipment needing high-speed, isolated data transfer
Q & A
- What is the maximum data rate of the ADN4620BRSZ-RL?
The ADN4620BRSZ-RL operates at data rates up to 2.5 Gbps. - What is the isolation voltage of the ADN4620BRSZ-RL?
The isolation voltage is 7.5 kV RMS / 3.75 kV RMS. - What package type is the ADN4620BRSZ-RL available in?
The device is available in a 20-SSOP (0.209", 5.30mm Width) package. - Does the ADN4620BRSZ-RL comply with any specific LVDS standards?
Yes, it complies with TIA/EIA-644-A LVDS signal levels. - What is the typical propagation delay of the ADN4620BRSZ-RL?
The typical propagation delay is 2.15 ns. - What is the purpose of the refresh mechanism in the ADN4620BRSZ-RL?
The refresh mechanism monitors the input and output states to ensure they remain the same in the absence of data transitions. - Can the ADN4620BRSZ-RL be used for multigigabit SERDES applications?
Yes, it is suitable for multigigabit serialization/deserialization (SERDES) applications. - Is the ADN4620BRSZ-RL suitable for medical devices?
Yes, it is suitable for medical devices and equipment that require high-speed, isolated data transfer. - What is the input capacitance of the ADN4620BRSZ-RL?
The input capacitance is 3.4 pF from any input data pin to ground. - Can the ADN4620BRSZ-RL replace optical links in PCB-to-PCB connections?
Yes, it can be used as a PCB-to-PCB optical replacement, such as for short reach fiber.
