I am using an Analog Devices LT1236 Precision Reference (5V) in my AVR project (datasheet). I am supplying 7.5 volts on Vin and receiving 4.71 on Vout. This is my first time using this chip and I have read the datasheet but surely I have not comprehended it all. Since 4.71 volts is well below the margin of error given (0.05%), what could cause this result? I am leaning toward needing to trim the output voltage as stated on page 7 of the datasheet, but I don't fully grasp how to do that. Is that the correct direction to head?
Any help or pointers would be appreciated,