Overview
The DS90LV001TMX/NOPB is an LVDS (Low-Voltage Differential Signaling) buffer produced by Texas Instruments. This device is designed to enhance system performance by allowing the receiver to be placed close to the main transmission line, thereby reducing the impact of 'stub length' or the distance between the transmission line and the unterminated receivers on individual cards. It operates on a single +3.3V supply and is compatible with both LVDS and LVPECL (Low-Voltage Positive Emitter-Coupled Logic) signals, making it versatile for various applications.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3.0 | 3.3 | 3.6 | V |
| Operating Free Air Temperature | -40 | +25 | +85 | °C |
| Differential Propagation Delay | 1.0 | 1.4 | 2.0 | ns |
| Differential Output Voltage (VOD) | 250 | 325 | 450 | mV |
| Output Jitter (pk-pk) | 100 | ps | ||
| Total Supply Current (ICC) | 47 | 70 | mA | |
| Package Type | SOIC-8, WSON-8 |
Key Features
- Single +3.3V supply operation
- LVDS receiver inputs accept LVPECL signals
- TRI-STATE outputs with output enable pin
- Fast propagation delay of 1.4 ns (typical)
- Low jitter of 100 ps (typical) at 800 Mbps
- Compatible with ANSI/TIA/EIA-644-A LVDS standard
- Industrial temperature range: -40°C to +85°C
- Available in 8-pin SOIC and WSON packages
Applications
The DS90LV001TMX/NOPB is particularly useful in applications where signal distribution across backplanes is critical. It can be used as a 'stub-hider' to improve system performance by reducing the effects of long stub lengths. Common applications include:
- Backplane stub-hider applications
- Cable repeater applications
- High-speed data transmission systems
- Industrial and automotive systems requiring reliable high-speed signaling
Q & A
- What is the primary function of the DS90LV001TMX/NOPB? The primary function is to act as an LVDS buffer, enhancing system performance by reducing the impact of stub lengths in signal distribution.
- What supply voltage does the DS90LV001TMX/NOPB operate on? It operates on a single +3.3V supply.
- Is the DS90LV001TMX/NOPB compatible with LVPECL signals? Yes, it can accept LVPECL signals in addition to LVDS signals.
- What is the typical propagation delay of the DS90LV001TMX/NOPB? The typical propagation delay is 1.4 ns.
- What is the typical output jitter of the DS90LV001TMX/NOPB at 800 Mbps? The typical output jitter is 100 ps.
- In what temperature range does the DS90LV001TMX/NOPB operate? It operates in the industrial temperature range of -40°C to +85°C.
- What package options are available for the DS90LV001TMX/NOPB? It is available in 8-pin SOIC and WSON packages.
- What is the purpose of the output enable pin? The output enable pin allows the user to place the LVDS output in TRI-STATE.
- Is the DS90LV001TMX/NOPB compliant with any specific LVDS standard? Yes, it is compliant with the ANSI/TIA/EIA-644-A LVDS standard.
- What are some common applications for the DS90LV001TMX/NOPB? Common applications include backplane stub-hider, cable repeater, and high-speed data transmission systems.
