link to page 9 ADG508A/ADG509ADENA0NCA1GN3212019A0 116 A1V4PIN 118SSVDDIDENTIFIEREN 215 GNDS1A 517 S1BVADG509ASS314 VADG509ADDNC 616 NCTOP VIEWS1A 4TOP VIEW13 S1B(Not to Scale)(Not to Scale)S2A 715 S2BS2A 512 S2BS3A 814 S3BS3A 611 S3BS4A 710 S4B910111213 06 08 0 NC = NO CONNECT 0 DA 1- 8 1- 9DBAB 05 DANCDB 005 00 S4S4 0 Figure 6. ADG509A DIP, SOIC Figure 7. ADG509A PLCC Table 6. ADG509A Pin Function DescriptionPin NumberDIP/SOIC PLCC/LCCMnemonic Description 1 2 A0 Logic Control Input. 2 3 EN Active High Digital Input. When low, the device is disabled and all switches are off. When high, Ax logic inputs determine on switches. 3 4 VSS Most Negative Power Supply Potential in Dual Supplies. In single-supply applications, it can be connected to ground. 4 5 S1A Source Terminal 1A. Can be an input or an output. 5 7 S2A Source Terminal 2A. Can be an input or an output. 6 8 S3A Source Terminal 3A. Can be an input or an output. 7 9 S4A Source Terminal 4A. Can be an input or an output. 8 10 DA Drain Terminal A. Can be an input or an output. 9 12 DB Drain Terminal B. Can be an input or an output. 10 13 S4B Source Terminal 4B. Can be an input or an output. 11 14 S3B Source Terminal 3B. Can be an input or an output. 12 15 S2B Source Terminal 2B. Can be an input or an output. 13 17 S1B Source Terminal 1B. Can be an input or an output. 14 18 VDD Most Positive Power Supply Potential. 15 19 GND Ground (0 V) Reference. 16 20 A1 Logic Control Input. N/A 1 NC No Connect. N/A 6 NC No Connect. N/A 11 NC No Connect. N/A 16 NC No Connect. Table 7. ADG509A Truth Table A1A0ENOn Switch Pair X1 X1 0 None X 0 0 1 1 0 1 1 2 1 0 1 3 1 1 1 4 1 X = don’t care. Rev. D | Page 9 of 16 Document Outline FEATURES FUNCTIONAL BLOCK DIAGRAMS GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS DUAL SUPPLY SINGLE SUPPLY ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS SINGLE-SUPPLY OCTAL DAC APPLICATION OUTLINE DIMENSIONS ORDERING GUIDE