The recommended PCB layout for the LM4041AIM3-1.2-T involves placing the device close to the power supply bypass capacitors, using a solid ground plane, and keeping the input and output traces short and separate to minimize noise and parasitic inductance.
To ensure stability, make sure to follow the recommended PCB layout, use a minimum output capacitance of 10uF, and avoid using long output traces or wires that can introduce parasitic inductance. Additionally, ensure that the input voltage is within the recommended range and that the device is properly decoupled.
Although the datasheet specifies an absolute maximum input voltage of 12V, it's recommended to limit the input voltage to 10V to ensure reliable operation and prevent damage to the device.
The LM4041AIM3-1.2-T is rated for operation up to 125°C, but its accuracy and stability may degrade at higher temperatures. If your application requires operation above 125°C, consider using a more specialized voltage reference or consulting with Maxim Integrated Products' technical support.
The output voltage tolerance of the LM4041AIM3-1.2-T is specified as ±1.5% at 25°C. To calculate the output voltage tolerance over temperature, refer to the datasheet's temperature coefficient specifications and calculate the total error budget accordingly.
LM4041AIM3-1.2-T datasheet
by Maxim Integrated Products
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