Overview
The DS90LV049H is a dual CMOS differential line driver-receiver pair designed by Texas Instruments. This device is optimized for applications requiring ultra-low power dissipation, exceptional noise immunity, and high data throughput. It supports data rates in excess of 400 Mbps using Low Voltage Differential Signaling (LVDS) technology. The DS90LV049H operates from a single 3.3-V power supply and is available in a low-profile 16-pin TSSOP package, facilitating easy PCB layout with its flow-through pinout.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VDD) | 3.0 | 3.3 | 3.6 | V |
| Switching Rates | - | - | 400 | Mbps |
| Driver Channel-to-Channel Skew | - | 50 | - | ps |
| Receiver Channel-to-Channel Skew | - | 50 | - | ps |
| Differential Output Voltage (VOD) | 250 | 350 | 450 | mV |
| Offset Voltage (VOS) | 1.125 | 1.23 | 1.375 | V |
| Power Dissipation (Static) | - | 70 | - | mW |
| Junction-to-Ambient Thermal Resistance (RθJA) | - | 109.9 | - | °C/W |
Key Features
- Up to 400-Mbps switching rates
- Flow-through pinout simplifies PCB layout
- 50-ps typical driver and receiver channel-to-channel skew
- 3.3-V single power supply design
- TRI-STATE output control for low idle power state
- Internal fail-safe biasing of receiver inputs
- Low power dissipation (70 mW at 3.3 V static)
- High impedance on LVDS outputs on power down
- Conforms to TIA/EIA-644-A LVDS standard
- Available in low-profile 16-pin TSSOP package
Applications
- Board-to-Board Communication
- Test and Measurement
- Motor Drives
- LED Video Walls
- Wireless Infrastructure
- Telecom Infrastructure
- Multi-Function Printers
- NIC Cards
- Rack Servers
- Ultrasound Scanners
Q & A
- What is the maximum switching rate of the DS90LV049H?
The DS90LV049H supports switching rates in excess of 400 Mbps.
- What type of signaling does the DS90LV049H use?
The DS90LV049H uses Low Voltage Differential Signaling (LVDS) technology.
- What is the typical power dissipation of the DS90LV049H at 3.3 V?
The typical power dissipation is 70 mW at 3.3 V static.
- Does the DS90LV049H have TRI-STATE output control?
Yes, the DS90LV049H supports TRI-STATE output control for a low idle power state.
- What is the purpose of the internal fail-safe biasing in the DS90LV049H?
The internal fail-safe biasing places the receiver outputs to a known high state for floating receiver inputs.
- What is the recommended termination resistor value for the DS90LV049H?
The recommended termination resistor value is between 90 Ω and 110 Ω.
- What is the operating temperature range of the DS90LV049H?
The operating temperature range is from -40°C to +85°C.
- What type of package is the DS90LV049H available in?
The DS90LV049H is available in a low-profile 16-pin TSSOP package.
- Does the DS90LV049H conform to any specific LVDS standard?
Yes, the DS90LV049H conforms to the TIA/EIA-644-A LVDS standard.
- What are some common applications of the DS90LV049H?
Common applications include board-to-board communication, test and measurement, motor drives, LED video walls, and more.
