Texas Instruments recommends a star-ground configuration with a single-point ground connection to minimize noise and ensure stability. Additionally, keep the input and output capacitors close to the device and use a low-impedance path for the output capacitor to reduce noise and oscillation.
To ensure stability, use a minimum output capacitance of 10uF with an ESR of less than 1 ohm, and a minimum input capacitance of 1uF. Also, keep the input and output capacitors close to the device and use a low-impedance path for the output capacitor. Avoid using ceramic capacitors with high ESL (Equivalent Series Inductance) as they can cause oscillation.
The maximum allowed voltage on the input pin of the LM4040BIM7-2.5 is 12V. Exceeding this voltage can cause damage to the device. It's recommended to use a voltage regulator or a voltage limiter to ensure the input voltage remains within the specified range.
Yes, the LM4040BIM7-2.5 can be used as a voltage reference for an ADC or DAC. Its low noise and high stability make it suitable for precision applications. However, ensure that the output voltage is within the specified range of the ADC or DAC, and that the load current is within the recommended range of the LM4040BIM7-2.5.
The power dissipation of the LM4040BIM7-2.5 can be calculated using the formula: Pd = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current. Ensure that the calculated power dissipation is within the recommended range specified in the datasheet to avoid overheating and damage to the device.
LM4040BIM7-2.5 datasheet
by Texas Instruments
