link to page 10 link to page 11 link to page 11 link to page 10 ADA4661-2Data SheetPIN CONFIGURATIONS AND FUNCTION DESCRIPTIONSOUT A 18 V+–IN A 27 OUT BADA4661-2+IN A 3TOP VIEW6 –IN BOUT A(Not to Scale)18V+V– 45 +IN B–IN A 2ADA4661-2 7 OUT BTOP VIEW+IN A 36–IN B(Not to Scale)NOTES 004 005 1. CONNECT THE EXPOSED PAD TO V– ORV–45+IN B 1366- LEAVE IT UNCONNECTED. 1366- 1 1 Figure 4. Pin Configuration, 8-Lead MSOP Figure 5. Pin Configuration, 8-Lead LFCSP Table 7. Pin Function DescriptionsPin No.18-Lead MSOP 8-Lead LFCSP Mnemonic Description 1 1 OUT A Output, Channel A. 2 2 −IN A Negative Input, Channel A. 3 3 +IN A Positive Input, Channel A. 4 4 V− Negative Supply Voltage. 5 5 +IN B Positive Input, Channel B. 6 6 −IN B Negative Input, Channel B. 7 7 OUT B Output, Channel B. 8 8 V+ Positive Supply Voltage. N/A 92 EPAD Exposed Pad. For the 8-lead LFCSP only, connect the exposed pad to V− or leave it unconnected. 1 N/A means not applicable. 2 The exposed pad is not shown in the pin configuration diagram, Figure 5. Rev. 0 | Page 10 of 32 Document Outline Features Applications General Description Pin Connection Diagrams Revision History Specifications Electrical Characteristics—18 V Operation Electrical Characteristics—10 V Operation Electrical Characteristics—3.0 V Operation Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Applications Information Input Stage Gain Stage Output Stage Maximum Power Dissipation Rail-to-Rail Input and Output Comparator Operation EMI Rejection Ratio Current Shunt Monitor Active Filters Capacitive Load Drive Noise Considerations with High Impedance Sources Outline Dimensions Ordering Guide