Overview
The SN65LVCP22, produced by Texas Instruments, is a high-speed 2x2 LVDS (Low-Voltage Differential Signaling) crosspoint switch. This device is designed to provide greater than 1000 Mbps operation for each path, making it suitable for high-speed data transmission applications. The SN65LVCP22 supports various configurations such as 2:1 multiplexing, 1:2 demultiplexing, repeating, and 1:2 signal splitting, as well as LVPECL/CML to LVDS level translation on each channel. This flexibility makes it an ideal component for fault-tolerant switch systems in optical networking, wireless infrastructure, and data communications.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3 | 3.3 | 3.6 | V |
| Operating Temperature (TA) | -40 | 85 | °C | |
| Data Rate | >1000 Mbps | Mbps | ||
| Peak-to-Peak Jitter (PRBS 223-1 Pattern) | 50 ps | ps | ||
| Propagation Delay Time | 0.65 ns | ns | ||
| Switch Time | 1.7 ns | ns | ||
| Output Skew (Channel-to-Channel) | 10 ps | 50 ps | ps | |
| Total Power Dissipation | <200 mW | 300 mW | mW | |
| Package Options | SOIC, TSSOP |
Key Features
- High-speed operation greater than 1000 Mbps for each path.
- Supports LVDS, LVPECL, and CML signals.
- Configurable as 2:1 multiplexer, 1:2 demultiplexer, repeater, or 1:2 signal splitter.
- Low-jitter fully differential data path with 50 ps (typ) peak-to-peak jitter with PRBS 223-1 pattern.
- Less than 200 mW (typ) total power dissipation.
- Output channel-to-channel skew is less than 10 ps (typ) and 50 ps (max).
- Fast switch time of 1.7 ns (typ) and fast propagation delay of 0.65 ns (typ).
- Inter-operates with TIA/EIA-644-A LVDS standard.
- Operating temperature range from -40°C to 85°C.
Applications
- Base Stations
- Add/Drop Multiplexers
- Protection Switching for Serial Backplanes
- Network Switches/Routers
- Optical Networking Line Cards/Switches
- Clock Distribution
Q & A
- What is the SN65LVCP22 used for?
The SN65LVCP22 is a 2x2 LVDS crosspoint switch used for high-speed data transmission applications, including fault-tolerant switch systems in optical networking, wireless infrastructure, and data communications.
- What are the supported signal types by the SN65LVCP22?
The SN65LVCP22 supports LVDS, LVPECL, and CML signals.
- What are the configurable modes of the SN65LVCP22?
The device can be configured as a 2:1 multiplexer, 1:2 demultiplexer, repeater, or 1:2 signal splitter.
- What is the typical peak-to-peak jitter of the SN65LVCP22?
The typical peak-to-peak jitter is 50 ps with a PRBS 223-1 pattern.
- What is the total power dissipation of the SN65LVCP22?
The total power dissipation is less than 200 mW (typ) and 300 mW (max).
- What are the package options for the SN65LVCP22?
The device is available in SOIC and TSSOP packages.
- What is the operating temperature range of the SN65LVCP22?
The operating temperature range is from -40°C to 85°C.
- Does the SN65LVCP22 comply with any industry standards?
Yes, it inter-operates with the TIA/EIA-644-A LVDS standard.
- What are some common applications of the SN65LVCP22?
Common applications include base stations, add/drop multiplexers, protection switching for serial backplanes, network switches/routers, optical networking line cards/switches, and clock distribution.
- How fast is the switch time of the SN65LVCP22?
The switch time is typically 1.7 ns.
- What is the propagation delay time of the SN65LVCP22?
The propagation delay time is typically 0.65 ns.
