A good PCB layout for the LM4040CIM3-2.5 involves placing the device close to the power source, using a solid ground plane, and keeping the input and output traces short and separate to minimize noise and ensure stability.
To ensure proper bypassing, place a 1-10uF ceramic capacitor between the VIN and GND pins, and a 100nF-1uF capacitor between the VOUT and GND pins, as close to the device as possible.
The maximum allowed voltage on the VIN pin of the LM4040CIM3-2.5 is 12V, but it's recommended to keep it below 10V for optimal performance and reliability.
Yes, the LM4040CIM3-2.5 can be used as a voltage reference for an ADC or DAC, but ensure that the output current is within the device's specifications (up to 10mA) and that the output voltage is within the required range of the ADC or DAC.
The power dissipation of the LM4040CIM3-2.5 can be calculated using the formula: Pd = (VIN - VOUT) x IOUT, where Pd is the power dissipation, VIN is the input voltage, VOUT is the output voltage, and IOUT is the output current.
LM4040CIM3-2.5 datasheet
by Texas Instruments
