Overview
The DS90LV804TSQ/NOPB is a high-speed, 4-channel LVDS (Low Voltage Differential Signaling) buffer/repeater produced by Texas Instruments (TI). This device is designed to enhance signal integrity in large systems where signals are distributed across cables, ensuring reliable data transmission at speeds up to 800 Mbps. The DS90LV804TSQ/NOPB features internal input and output terminations, which eliminate the need for external components and improve signal quality, especially over longer cables. It operates from a single 3.3V supply and is packaged in a compact WQFN (Leadless Leadframe Package) with 32 pins, making it suitable for various applications requiring high-speed data transmission with low noise and efficient power usage.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Function | Buffer | Protocols | LVDS |
| Number of transmitters | 4 | Number of receivers | 4 |
| Supply voltage (V) | 3.3 | Signaling rate (MBits) | 800 |
| Input signal | CML, LVDS, LVPECL | Output signal | LVDS |
| Operating temperature range (°C) | -40 to +85 | Package type | WQFN (RTV)-32 |
| ESD protection on LVDS outputs | 12 kV | Power consumption | Very low |
Key Features
- 800 Mbps Data Rate per Channel: Supports high-speed serial communication.
- Low Output Skew and Jitter: Ensures high signal integrity.
- LVDS/CML/LVPECL Compatible Input, LVDS Output: Versatile input compatibility with LVDS output.
- On-Chip 100Ω Input and Output Termination: Reduces external component count and improves signal integrity.
- 12 kV ESD Protection on LVDS Outputs: Enhances device reliability.
- Single 3.3V Supply: Simplifies system integration.
- Very Low Power Consumption: Energy-efficient design for prolonged device lifespan.
- Industrial -40 to +85°C Temperature Range: Suitable for use in varying ambient conditions.
- Small WQFN Package Footprint: Minimizes board space and improves system performance.
- Output Enable Pin for TRI-STATE Mode: Allows low power mode and output tri-state functionality.
Applications
- Video Systems: For converting signals between CMOS/TTL and providing noise immunity.
- High-Speed Data Transmission: In industrial automation, automotive integration, and medical equipment.
- Signal Conversion & System Integration: Across various industries where reliable signal processing is crucial.
Q & A
- What is the primary function of the DS90LV804TSQ/NOPB?
The DS90LV804TSQ/NOPB is a 4-channel 800 Mbps LVDS buffer/repeater designed to enhance signal integrity in high-speed data transmission applications.
- What is the operating temperature range of the DS90LV804TSQ/NOPB?
The device operates within an industrial temperature range of -40°C to +85°C.
- What types of input signals does the DS90LV804TSQ/NOPB support?
The device supports CML, LVDS, and LVPECL input signals.
- What is the significance of the internal 100Ω termination resistors?
The internal 100Ω termination resistors improve signal integrity by eliminating the need for external components and placing the terminations close to the receiver inputs and driver outputs.
- How does the TRI-STATE mode function in the DS90LV804TSQ/NOPB?
The TRI-STATE mode, activated by the EN input, powers off and disables all input and output buffers and internal bias circuitry, placing the outputs in a tri-state condition.
- What is the power supply requirement for the DS90LV804TSQ/NOPB?
The device operates from a single 3.3V supply.
- What is the package type and pin count of the DS90LV804TSQ/NOPB?
The device is packaged in a WQFN (RTV) package with 32 pins.
- What are the key applications of the DS90LV804TSQ/NOPB?
The device is used in video systems, high-speed data transmission in industrial automation and medical equipment, and signal conversion and system integration across various industries.
- Does the DS90LV804TSQ/NOPB have ESD protection?
Yes, the device has 12 kV ESD protection on the LVDS outputs.
- How does the DS90LV804TSQ/NOPB contribute to energy efficiency?
The device features very low power consumption, which helps prolong its lifespan and reduce energy costs.
