The REF5050ID is a sensitive device and requires careful layout and placement to minimize noise and ensure accurate performance. TI recommends placing the device close to the analog-to-digital converter (ADC) and using a solid ground plane to reduce noise. Additionally, keep the input and output traces short and away from high-frequency signals.
The REF5050ID has a relatively high output voltage noise of 100 μVpp. To minimize the impact of this noise, use a low-pass filter or a capacitor in parallel with the output to reduce the noise. Additionally, consider using a voltage regulator with a low noise output to further reduce the noise.
The REF5050ID can operate with an input voltage range of 4.5 V to 18 V. However, for optimal performance, TI recommends operating the device within the 5 V to 15 V range. Operating outside this range may affect the device's accuracy and stability.
To ensure stability and accuracy over temperature, use a high-quality, low-ESR capacitor (e.g., X5R or X7R) for the output capacitor (COUT). Additionally, consider using a thermistor or other temperature-sensing device to compensate for temperature-related drift. Finally, ensure the device is operated within the recommended temperature range of -40°C to 125°C.
Yes, the REF5050ID is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive applications and is designed to operate in harsh environments. However, ensure you follow proper design and layout guidelines to minimize the risk of failure.
REF5050ID datasheet
by Texas Instruments
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