The recommended input capacitor value is 0.1uF to 10uF, depending on the input voltage and noise requirements. A larger capacitor value can help to filter out noise and improve stability, but may also increase the startup time.
Yes, the LM385Z-1.2 can be used as a voltage reference for an ADC, but it's essential to consider the noise and temperature coefficient specifications to ensure accurate ADC conversions. Additionally, the output impedance of the LM385Z-1.2 should be considered when selecting the ADC input impedance.
To ensure stability, follow the recommended PCB layout guidelines, keep the input and output capacitors close to the device, and avoid long traces or wires. Additionally, ensure that the input voltage is within the recommended range, and the output current is within the specified limit.
The maximum output current of the LM385Z-1.2 is 10mA. Exceeding this limit can cause the device to overheat or become unstable. If a higher output current is required, consider using a buffer amplifier or a voltage regulator with a higher current capability.
The LM385Z-1.2 is rated for operation up to 125°C, but its accuracy and stability may degrade at higher temperatures. If operation above 125°C is required, consider using a more specialized voltage reference device designed for high-temperature applications.
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LM385Z-1.2 Overview
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