Description:Analog to Digital Converters - ADC Multi-Channel, Low Power 24-Bit Sensor AFE with True Continuous Background Calibration 28-HTSSOP -40 to 125
Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general high-frequency PCB design guidelines, such as using a solid ground plane, minimizing trace lengths, and using 50-ohm transmission lines for signal traces.
To ensure accurate gain and phase matching between channels, it's recommended to use a single resistor value for all channels, and to match the resistor values to within 0.1% tolerance. Additionally, use a common voltage reference and ensure that the layout is symmetrical to minimize any differences between channels.
The LMP90098MHX/NOPB is specified to operate from -40°C to 125°C, but it's recommended to derate the device's performance at higher temperatures to ensure reliability and prevent thermal shutdown.
The LMP90098MHX/NOPB has built-in ESD protection, but it's still recommended to follow proper ESD handling procedures during assembly and testing, such as using an ESD wrist strap or mat, and storing the device in an ESD-safe environment.
The recommended power-up sequence is to apply the analog supply voltage (AVDD) first, followed by the digital supply voltage (DVDD), and then the clock signal. This ensures that the device powers up correctly and minimizes the risk of latch-up or other issues.
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LMP90098MHX/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.
