Overview
The SN65LVDS22PWR, produced by Texas Instruments, is a dual multiplexed Low-Voltage Differential Signaling (LVDS) repeater. This device is designed to enhance signal integrity and extend the reach of LVDS signals in high-speed data transmission applications. It operates from a single 3.3-V supply and is compliant with the ANSI TIA/EIA-644-1995 standard. The SN65LVDS22PWR is characterized by its ability to handle clock rates up to 200 MHz and data rates up to 250 Mbps, making it suitable for various high-speed data transmission scenarios.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 3.3 | V |
| Differential Output Voltage Magnitude | 247 - 454 | mV |
| Load Resistance | 100 Ω | Ω |
| Propagation Delay Time | 4 ns (Typ) | ns |
| Input Capacitance | 3 | pF |
| Operating Temperature Range | -40°C to 85°C | °C |
| ESD Protection | 12 kV | kV |
| Power Dissipation at 400 Mbps | 150 mW | mW |
| Input Current (A or B inputs) | 1.2 μA (VI = 2.4 V) | μA |
| High-Impedance Output Current | ±1 μA | μA |
Key Features
- Meets or exceeds the requirements of ANSI TIA/EIA-644-1995 standard.
- Designed for clock rates up to 200 MHz and data rates up to 250 Mbps.
- Pin compatible with SN65LVDS122 and SN65LVDT122.
- ESD protection exceeds 12 kV on bus pins.
- Operates from a single 3.3-V supply.
- Low-voltage differential signaling with output voltages of 350 mV into a 100-Ω load.
- Multiplexer control signals allow for splitter or signal routing functions.
- Open-circuit fail-safe receiver.
- LVTTL levels are 5 V tolerant.
Applications
The SN65LVDS22PWR is intended for use in both point-to-point baseband (single termination) and multipoint (double termination) data transmissions over controlled impedance media. This includes applications such as printed-circuit board traces, backplanes, or cables. The device is suitable for various high-speed data transmission scenarios where signal integrity and reliability are critical.
Q & A
- What is the primary function of the SN65LVDS22PWR?
The SN65LVDS22PWR is a dual multiplexed LVDS repeater designed to enhance and extend LVDS signals in high-speed data transmission applications. - What standard does the SN65LVDS22PWR comply with?
The SN65LVDS22PWR complies with the ANSI TIA/EIA-644-1995 standard. - What is the maximum clock rate supported by the SN65LVDS22PWR?
The device supports clock rates up to 200 MHz. - What is the typical propagation delay time of the SN65LVDS22PWR?
The typical propagation delay time is 4 ns. - What is the operating temperature range of the SN65LVDS22PWR?
The operating temperature range is from -40°C to 85°C. - Does the SN65LVDS22PWR have ESD protection?
Yes, the device has ESD protection that exceeds 12 kV on bus pins. - What is the power dissipation of the SN65LVDS22PWR at 400 Mbps?
The power dissipation at 400 Mbps is 150 mW. - Is the SN65LVDS22PWR pin compatible with other TI devices?
Yes, it is pin compatible with SN65LVDS122 and SN65LVDT122. - What type of signaling does the SN65LVDS22PWR use?
The device uses low-voltage differential signaling (LVDS). - What are the typical applications of the SN65LVDS22PWR?
The device is used in high-speed data transmission applications over controlled impedance media such as printed-circuit board traces, backplanes, or cables.
