Analog Multiplexer 74HC4051

In reading the signal from upto 8 current sensors, only 6 available) I need to use an analog multiplexer.   I must use I2C A4 A5 (to PCA9685) to select the PWM servo driver.   The multiplexer will select 1 of 8 inputs and route it an analog input on the Nano   Also the current I am measuting is 60Hz so I must sample each input for about 1/2 sec to actually calculate the current being drawn.   This polling and