link to page 1 link to page 1 link to page 1 link to page 1 link to page 2 link to page 3 link to page 3 link to page 4 link to page 6 link to page 6 link to page 6 link to page 6 link to page 7 link to page 9 link to page 16 link to page 17 link to page 17 link to page 17 link to page 17 link to page 18 link to page 19 link to page 19 link to page 19 link to page 19 link to page 19 link to page 20 link to page 21 ADA4857-1/ADA4857-2Data SheetTABLE OF CONTENTS Features .. 1 Test Circuits ... 16 Applications ... 1 Applications Information .. 17 Connection Diagrams .. 1 Power-Down Operation .. 17 General Description ... 1 Capacitive Load Considerations .. 17 Revision History ... 2 Recommended Values for Various Gains .. 17 Specifications ... 3 Active Low-Pass Filter (LPF) .. 18 ±5 V Supply ... 3 Noise .. 19 +5 V Supply ... 4 Circuit Considerations .. 19 Absolute Maximum Ratings .. 6 PCB Layout ... 19 Thermal Resistance .. 6 Power Supply Bypassing .. 19 Maximum Power Dissipation ... 6 Grounding ... 19 ESD Caution .. 6 Outline Dimensions ... 20 Pin Configurations and Function Descriptions ... 7 Ordering Guide .. 21 Typical Performance Characteristics ... 9 REVISION HISTORY1/2017—Rev. C to Rev. D11/2008—Rev. 0 to Rev. A Changes to Figure 1 .. 1 Changes to Table 5 ... 7 Changes to Table 1 .. 3 Changes to Table 7 ... 8 Changes to Table 2 .. 4 Changes to Figure 32.. 13 Changes to Figure 5 .. 7 Added Figure 44; Renumbered Sequentially .. 15 Added Figure 40 and Figure 43; Renumbered Sequentially ... 14 Changes to Layout .. 15 Added Figure 44, Figure 45, Figure 46, Figure 47, Changes to Table 8 .. 16 and Figure 48 ... 15 Added Active Low-Pass Filter (LFP) Section ... 17 Changes to Power-Down Operation Section .. 17 Added Figure 48 and Figure 49; Renumbered Sequentially ... 17 Updated Outline Dimensions ... 20 Changes to Grounding Section .. 18 Changes to Ordering Guide .. 21 Exposed Paddle Notation Added to Outline Dimensions .. 19 Changes to Ordering Guide .. 20 9/2013—Rev. B to Rev. C Changes to Figure 1 and Figure 3 ... 1 5/2008—Revision 0: Initial Version Change to Figure 5 ... 7 Change to Figure 7 ... 8 Updated Outline Dimensions ... 20 Changes to Ordering Guide .. 20 8/2011—Rev. A to Rev. B Changes to Table 1 Conditions ... 3 Changes to Table 2 Conditions ... 4 Changes to Typical Performance Characteristics Conditions .. 9 Changes to Figure 18 .. 10 Changes to Figure 42 .. 15 Changes to Table 9 .. 16 Changes to Ordering Guide .. 20 Rev. D | Page 2 of 21 Document Outline FEATURES APPLICATIONS CONNECTION DIAGRAMS GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ±5 V SUPPLY +5 V SUPPLY ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS APPLICATIONS INFORMATION POWER-DOWN OPERATION CAPACITIVE LOAD CONSIDERATIONS RECOMMENDED VALUES FOR VARIOUS GAINS ACTIVE LOW-PASS FILTER (LPF) NOISE CIRCUIT CONSIDERATIONS PCB LAYOUT POWER SUPPLY BYPASSING GROUNDING OUTLINE DIMENSIONS ORDERING GUIDE