Overview
The DS90LV804TSQX from Texas Instruments is a 4-channel, 800 Mbps Low-Voltage Differential Signaling (LVDS) buffer/repeater designed to enhance signal integrity in high-speed data transmission systems. This device is particularly useful in large systems where signals are distributed across cables, and maintaining signal quality is crucial. The DS90LV804TSQX features integrated input and output terminations, which help minimize board space and improve system performance.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Data Rate per Channel | 800 | Mbps |
| Input/Output Termination | 100Ω | Ohms |
| Supply Voltage (VDD) | 3.15 to 3.45 | V |
| Operating Temperature Range | -40 to +85 | °C |
| ESD Protection on LVDS Outputs | 12 kV | - |
| Package Type | WQFN (Leadless Leadframe Package) | - |
| Number of Channels | 4 | - |
| Power Consumption | Very Low | - |
Key Features
- High-Speed Data Rate: Supports up to 800 Mbps per channel.
- Integrated Terminations: Features on-chip 100Ω input and output terminations to improve signal integrity and reduce external component count.
- Compatibility: Compatible with LVDS, CML, and LVPECL input and output signals.
- Low Power Consumption: Operates with very low power consumption, making it suitable for power-sensitive applications.
- TRI-STATE Mode: An output enable pin allows the device to enter a TRI-STATE mode, disabling the LVDS outputs and internal biasing for low power operation.
- Industrial Temperature Range: Operates over an industrial temperature range of -40°C to +85°C.
- Small Footprint: Available in a small WQFN package, ideal for high-density PCBs.
Applications
The DS90LV804TSQX is optimized for point-to-point backplane and cable applications, making it suitable for various high-speed data transmission scenarios, including:
- High-speed data communication systems.
- Industrial automation and control systems.
- Telecommunication equipment.
- Medical imaging and diagnostic equipment.
- High-performance computing and data storage systems.
Q & A
- What is the data rate supported by the DS90LV804TSQX?
The DS90LV804TSQX supports up to 800 Mbps per channel.
- What type of terminations does the DS90LV804TSQX feature?
The device features integrated 100Ω input and output terminations.
- What is the operating temperature range of the DS90LV804TSQX?
The device operates over an industrial temperature range of -40°C to +85°C.
- What is the purpose of the TRI-STATE mode in the DS90LV804TSQX?
The TRI-STATE mode allows the device to disable the LVDS outputs and internal biasing, reducing power consumption.
- What types of signals is the DS90LV804TSQX compatible with?
The device is compatible with LVDS, CML, and LVPECL input and output signals.
- What is the package type of the DS90LV804TSQX?
The device is available in a WQFN (Leadless Leadframe Package).
- How many channels does the DS90LV804TSQX support?
The device supports 4 channels.
- What is the ESD protection level on the LVDS outputs of the DS90LV804TSQX?
The device has 12 kV ESD protection on the LVDS outputs.
- Can the DS90LV804TSQX be used in multipoint or multidrop signaling applications?
No, the device is optimized for point-to-point backplane and cable applications and is not intended for multipoint or multidrop signaling.
- How does the DS90LV804TSQX improve signal integrity?
The device improves signal integrity through integrated terminations, low output skew and jitter, and by minimizing the effects of Near End Crosstalk (NEXT).
