Texas Instruments THS4012 manual

May 1999 Mixed-Signal Products

User’s Guide

SLOU041

Contents

Main Page Preface Related Documentation From Texas Instruments THS4012 DUAL LOW-NOISE HIGH-SPEED OPERATIONAL AMPLIFIER FCC Warning Trademarks Page Contents Figures Tables Chapter 1 General Topic Page 1.1 Feature Highlights 1.2 Description Figure 11.THS4012 Evaluation Module SLOP230 THS4012 EVM Board THS4012 EVM Noninverting Operation 1-4 1.3 THS4012 EVM Noninverting Operation G 5and 1 Figure 12.THS4012 EVM Schematic Noninverting Operation Noninverting Gain Page 1.4 Using the THS4012 EVM In The Noninverting Mode (J3/J5) (J1/J4) THS4012 EVM Inverting Operation 1-7 1.5 THS4012 EVM Inverting Operation Figure 13.THS4012 EVM Schematic Inverting Operation Page 1.6 Using the THS4012 EVM In The Inverting Mode (J3/J5) (J1/J2) THS4012 EVM Differential Input 1-10 1.7 THS4012 EVM Differential Input The THS4012 EVM is shipped preconfigured for dual-channel, single-ended 1.7.1 Differential Input, Noninverting Operation Figure 14.THS4012 EVM Schematic Differential Input (Noninverting Operation) 1.7.2 Differential Input, Inverting Operation THS4012 EVM Differential Input 1-12 Figure 15.THS4012 EVM Schematic Differential Input (Inverting Operation) G 4 82 4and Page 1.8 Using the THS4012 EVM With Differential Inputs across (J1 across J5) 1.10 THS4012 EVM Performance Figure 16.THS4012 EVM Frequency Response with Gain = 2 Figure 17.THS4012 EVM Phase Response with Gain = 2 1.11 General High-Speed Amplifier Design Considerations 1.12 General PowerPAD Design Considerations Figure 18.PowerPAD PCB Etch and Via Pattern Figure 19.Maximum Power Dissipation vs Free-Air Temperature Page Page Reference THS4012 EVM Complete Schematic 2-2 2.1 THS4012 EVM Complete Schematic X Figure 21.THS4012 EVM Schematic THS4012 Dual High-Speed Operational Amplifier EVM Parts List 2.2 THS4012 Dual High-Speed Operational Amplifier EVM Parts List Table 21.THS4012 EVM Parts List THS4012 EVM Board Layouts 2.3 THS4012 EVM Board Layouts Figure 22.THS4012 EVM Component Placement Silkscreen and Solder Pads SLOP230 THS4012 EVM Board