LTC2482 FUNCTIONAL BLOCK DIAGRAM 2 VREF VCC 3 GND 1 IN+ REF+ 4 SCK IN+ 9 3RD ORDER SERIAL SD0 7 $3 INTERFACE IN– CS 5 6 IN– REF– f AUTOCALIBRATION O 10 AND CONTROL INTERNAL GND OSCILLATOR 8 2482 FD TEST CIRCUITS VCC 1.69k SDO SDO 1.69k CLOAD = 20pF CLOAD = 20pF Hi-Z TO VOH Hi-Z TO VOL VOL TO VOH VOH TO VOL V 2482 TC01 OH TO Hi-Z V 2482 TC02 OL TO Hi-Z 2482fc 9