Overview
The DS90LV047A device, produced by Texas Instruments, is a quad CMOS flow-through differential line driver designed for applications requiring ultra-low power dissipation and high data rates. This device supports data rates in excess of 400 Mbps (200 MHz) using Low Voltage Differential Signaling (LVDS) technology. It accepts low voltage TTL/CMOS input levels and translates them to low voltage (350 mV) differential output signals. The DS90LV047A features a flow-through pinout that simplifies PCB layout and includes a TRI-STATE function to disable the output stage, reducing power consumption to an ultra-low idle state of 13 mW typical.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | TSSOP (16 pins) | - |
| Operating Temperature Range | -40 to 85 | °C |
| Power Supply Design | 3.3 V | V |
| Differential Output Voltage | ±350 mV | mV |
| Typical Differential Skew | 300 ps | ps |
| Maximum Differential Skew | 400 ps | ps |
| Maximum Propagation Delay | 1.7 ns | ns |
| Power Dissipation (Static) | 13 mW | mW |
| Maximum Operating Frequency | 200 MHz | MHz |
Key Features
- >400-Mbps (200 MHz) Switching Rates
- Flow-Through Pinout Simplifies PCB Layout
- 300-ps Typical Differential Skew and 400-ps Maximum Differential Skew
- 1.7-ns Maximum Propagation Delay
- 3.3-V Power Supply Design
- ±350-mV Differential Signaling
- Low Power Dissipation (13 mW at 3.3-V Static)
- Interoperable With Existing 5-V LVDS Receivers
- High Impedance on LVDS Outputs on Power Down
- Conforms to TIA/EIA-644 LVDS Standard
- Industrial Operating Temperature Range (-40°C to +85°C)
- Available in Surface Mount SOIC and Low Profile TSSOP Package
- TRI-STATE Function to Disable Output Stage
Applications
- Multifunction Printers
- LVDS – LVCMOS Translation
- High Speed Point-to-Point Interface Applications
- Alternative to High Power Pseudo-ECL Devices
The DS90LV047A is particularly useful in scenarios where low power consumption and high data rates are critical, such as in high-speed data transmission systems and industrial environments.
Q & A
- What is the primary function of the DS90LV047A device?
The DS90LV047A is a quad CMOS flow-through differential line driver designed for applications requiring ultra-low power dissipation and high data rates using LVDS technology.
- What are the typical and maximum differential skew values for the DS90LV047A?
The typical differential skew is 300 ps, and the maximum differential skew is 400 ps.
- What is the maximum propagation delay of the DS90LV047A?
The maximum propagation delay is 1.7 ns.
- What is the power supply voltage for the DS90LV047A?
The power supply design is 3.3 V.
- How does the TRI-STATE function work on the DS90LV047A?
The TRI-STATE function allows the output stage to be disabled, reducing power consumption to an ultra-low idle state. The EN and EN* inputs are ANDed together to control the TRI-STATE outputs.
- What are the operating temperature ranges for the DS90LV047A?
The device operates within an industrial temperature range of -40°C to +85°C.
- Is the DS90LV047A compatible with existing 5-V LVDS receivers?
Yes, the DS90LV047A is interoperable with existing 5-V LVDS receivers.
- What type of packaging is available for the DS90LV047A?
The device is available in surface mount SOIC and low profile TSSOP packages.
- What is the maximum operating frequency of the DS90LV047A?
The maximum operating frequency is 200 MHz.
- How does the flow-through pinout benefit PCB layout?
The flow-through pinout simplifies PCB layout by allowing easy matching of electrical lengths of the differential pair trace lines between the driver and the receiver.
