Questions for AD8235 In-AMP when SDN

Dear Sir/Madam,

Our customer asked the following questions.

1)What is the t1 and t2 time when AD8235 shutdown? (Refer to the following figure)

2)When AD8235 is shudowning, what is the Vout condition? Impedance high, correct?

I could not catch these on your datasheet.

Thanks Kaos