Overview
The SN65LVDS049PWRG4, produced by Texas Instruments, is a dual flow-through LVDS (Low-Voltage Differential Signaling) differential driver-receiver pair. This device is designed to achieve high-speed signaling rates of up to 400 Mbps, making it suitable for various high-speed data transmission applications. The SN65LVDS049 operates from a single 3.3-V supply and is compliant with the TIA/EIA-644-A standard, ensuring reliable and efficient data transfer over controlled impedance media such as printed-circuit board traces, backplanes, or cables.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3.0 | 3.3 | 3.6 | V |
| Signaling Rate | - | - | 400 | Mbps |
| Driver Channel-to-Channel Skew | - | 50 ps | - | ps |
| Receiver Channel-to-Channel Skew | - | 50 ps | - | ps |
| Driver Propagation Delay | 1.3 ns | 1.4 ns | 2 ns | ns |
| Receiver Propagation Delay | 1.4 ns | 1.9 ns | 2 ns | ns |
| Operating Temperature Range | -40°C | - | 85°C | °C |
| Package Type | - | - | 16-Pin TSSOP | - |
Key Features
- Compliant with TIA/EIA-644-A standard
- Up to 400-Mbps signaling rates
- Flow-through pinout for easy PCB layout
- 50-ps driver and receiver channel-to-channel skew (typical)
- Internal fail-safe biasing of receiver inputs
- High-impedance disable for all outputs
- ESD protection exceeds 10 kV
- Single 3.3-V power supply
- Low power consumption with high-impedance supply current when disabled
Applications
- Point-to-point baseband data transmission over controlled impedance media such as PCB traces, backplanes, or cables
- Full-duplex LVDS communications of clock and data
- Wireless base stations
- Desktop computers
- High-speed data transmission in various industrial and consumer electronics
Q & A
- What is the maximum signaling rate of the SN65LVDS049?
The SN65LVDS049 can achieve signaling rates of up to 400 Mbps.
- What is the operating voltage range of the SN65LVDS049?
The device operates from a single supply voltage ranging from 3.0 V to 3.6 V.
- What is the typical driver channel-to-channel skew of the SN65LVDS049?
The typical driver channel-to-channel skew is 50 ps.
- Does the SN65LVDS049 have ESD protection?
- What type of package is the SN65LVDS049 available in?
The device is available in a 16-Pin TSSOP package.
- What is the purpose of internal fail-safe biasing in the receiver inputs?
The internal fail-safe biasing places the outputs into a known high state for unconnected differential inputs.
- Can the SN65LVDS049 be used for full-duplex communications?
- What are some common applications of the SN65LVDS049?
- How does the SN65LVDS049 handle high-frequency power supply noise?
Bypass capacitors are recommended to address high-frequency power supply noise and ensure stable power distribution.
- What is the operating temperature range of the SN65LVDS049?
The device operates over a temperature range from -40°C to 85°C.
