Part Status Confirmation

hello Analog,

I need your support,

 We are looking this part number "AD640BD"  at this link https://www.analog.com/en/products/ad640.html#product-samplebuy. we are unable to locate Exact part number. could you please tell us the part validity whether the part is "Active/Discontinued " if the part is valid please provide the supported datasheet.

part number

AD640BD

Thank you in advance your time !

Bharti Saini