Texas Instruments recommends a 4-layer PCB with a solid ground plane, and to keep the signal traces as short as possible. Additionally, it's recommended to use a 50-ohm impedance-controlled trace for the high-speed signals.
To ensure reliable operation in high-temperature environments, it's recommended to follow the thermal design guidelines provided by Texas Instruments, including using a heat sink and ensuring good airflow around the device. Additionally, the device should be operated within its specified temperature range of -40°C to 85°C.
Texas Instruments recommends using a Thevenin termination scheme for the high-speed signals, with a 50-ohm resistor in series with a 50-ohm terminator to VCC or GND. This helps to reduce signal reflections and improve signal integrity.
To troubleshoot issues with the DS90LV049HMTX/NOPB, it's recommended to use a combination of tools such as oscilloscopes, logic analyzers, and signal generators to analyze the signal quality and device behavior. Additionally, Texas Instruments provides a range of application notes and technical documentation to help troubleshoot common issues.
The DS90LV049HMTX/NOPB requires a specific power sequencing to ensure reliable operation. The recommended power-up sequence is to apply VCC first, followed by the input signals. The power-down sequence should be reversed, with the input signals removed before VCC.
DS90LV049HMTX/NOPB datasheet
by Texas Instruments
