ADA4930-1/ADA4930-2Data SheetPIN CONFIGURATIONS AND FUNCTION DESCRIPTIONSSSSS1–V–V–V–V111NS1S1UT16151413+I–FB–V–VPD–O242322212019–FB 112 PD–IN1 118 +OUT1+IN 211 –OUTADA4930-1+FB1 217 VOCM1–IN 3TOP VIEW10 +OUT+VS1 3ADA4930-216 –VS2(Not to Scale)TOP VIEW15 –V+FB 49V+VS1 4S2OCM(Not to Scale)–FB2 514 PD25678+IN2 613 –OUT2SSSS+V+V+V+V789101112222NOTESN2BS2S2MT1. EXPOSED PADDLE. THE EXPOSED PAD IS NOT–IU+F+V+VOCELECTRICALLY CONNECTED TO THE DEVICE. IT IS 05 V 0 +OTYPICALLY SOLDERED TO GROUND OR A POWER 9- PLANE ON THE PCB THAT IS THERMALLY CONDUCTIVE. 920 NOTES 0 1. EXPOSED PADDLE. THE EXPOSED PAD IS NOT 6 ELECTRICALLY CONNECTED TO THE DEVICE. IT IS -00 TYPICALLY SOLDERED TO GROUND OR A POWER 9 20 PLANE ON THE PCB THAT IS THERMALLY CONDUCTIVE. 09 Figure 5. ADA4930-1 Pin Configuration Figure 6. ADA4930-2 Pin Configuration Table 9. ADA4930-1 Pin Function DescriptionsTable 10. ADA4930-2 Pin FunctionDescriptionsPin No.MnemonicDescriptionPin No.MnemonicDescription 1 −FB Negative Output for Feedback 1 −IN1 Negative Input Summing Node 1. Component Connection. 2 +FB1 Positive Output Feedback Pin 1. 2 +IN Positive Input Summing Node. 3, 4 +VS1 Positive Supply Voltage 1. 3 −IN Negative Input Summing Node. 5 −FB2 Negative Output Feedback Pin 2. 4 +FB Positive Output for Feedback 6 +IN2 Positive Input Summing Node 2. Component Connection. 7 −IN2 Negative Input Summing Node 2. 5 to 8 +VS Positive Supply Voltage. 8 +FB2 Positive Output Feedback Pin 2. 9 VOCM Output Common-Mode Voltage. 9, 10 +VS2 Positive Supply Voltage 2. 10 +OUT Positive Output for Load Connection. 11 VOCM2 Output Common-Mode Voltage 2. 11 −OUT Negative Output for Load Connection. 12 +OUT2 Positive Output 2. 12 PD Power-Down Pin. 13 −OUT2 Negative Output 2. 13 to 16 −VS Negative Supply Voltage. 14 PD2 Power-Down Pin 2. EPAD Exposed Paddle. The exposed pad is not 15, 16 −VS2 Negative Supply Voltage 2. electrically connected to the device. It is 17 V typically soldered to ground or a power OCM1 Output Common-Mode Voltage 1. plane on the PCB that is thermally 18 +OUT1 Positive Output 1. conductive. 19 −OUT1 Negative Output 1. 20 PD1 Power-Down Pin 1. 21, 22 −VS1 Negative Supply Voltage 1. 23 −FB1 Negative Output Feedback Pin 1. 24 +IN1 Positive Input Summing Node 1. EPAD Exposed Paddle. The exposed pad is not electrically connected to the device. It is typically soldered to ground or a power plane on the PCB that is thermally conductive. Rev. C | Page 8 of 25 Document Outline Features Applications General Description Functional Block Diagrams Revision History Specifications 3.3 V Operation 3.3 V VOCM to VO, cm Performance 3.3 V General Performance 5 V Operation 5 V VOCM to VO, cm Performance 5 V General Performance Absolute Maximum Ratings Thermal Resistance Maximum Power Dissipation ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Test Circuits Operational Description Definition of Terms Differential Voltage Common-Mode Voltage Balance Theory of Operation Analyzing an Application Circuit Setting the Closed-Loop Gain Estimating the Output Noise Voltage Impact of Mismatches in the Feedback Networks Input Common-Mode Voltage Range Minimum RG Value Setting the Output Common-Mode Voltage Calculating the Input Impedance for an Application Circuit Terminating a Single-Ended Input Terminating a Single-Ended Input in a Single-Supply Applications Input Common-Mode Adjustment with DC Biased Source Input Common-Mode Adjustment with Resistors Layout, Grounding, and Bypassing High Performance ADC Driving Outline Dimensions Ordering Guide