A good PCB layout for the LMP90080 involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the analog signal sources. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
To ensure proper powering and decoupling, use a high-quality, low-ESR capacitor (e.g., 10uF ceramic) between the VCC and GND pins, and a 1uF capacitor between the AVCC and AGND pins. Also, use a separate power plane for the analog and digital supplies.
The recommended clock frequency for the LMP90080 is between 10 kHz and 100 kHz. However, the device can operate at frequencies up to 200 kHz, but with reduced performance.
To optimize noise performance, use a differential input configuration, keep the input signals close to the device, and use a common-mode filter (e.g., a 100nF capacitor) between the input pins. Additionally, use a low-noise power supply and minimize digital noise coupling.
The maximum input voltage range for the LMP90080 is ±5V, but it's recommended to keep the input voltage within ±3V for optimal performance and to prevent damage to the device.
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LMP90080MHE/NOPB Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
