EVAL-ADA4625-2ARDZ User Guide UG-1481 One Technology Way P.O. Box 9106 Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 Fax: 781.461.3113 www.analog.com Evaluation Board User Guide for the ADA4625-2 Low Noise, Fast Settling, Single Supply, RRO, JFET Op Amp The design of this evaluation board emphasizes simplicity and ease FEATURES of use. This evaluation board is a two layer board that Full featured evaluation board for the ADA4625-2 accommodates edge mounted Subminiature Version A (SMA) Enables quick prototyping connectors on the inputs and outputs. The SMA connectors User defined circuit configuration provide efficient connection to test equipment or other circuitry. Edge mounted SMA connector provisions Easy connection to test equipment and other circuits The evaluation board ground plane, component placement, and power supply bypassing are optimized for maximum circuit EVALUATION KIT CONTENTS flexibility and performance. The exposed pad of the ADA4625-2 EVAL-ADA4625-2ARDZ evaluation board is connected to the ground plane on the evaluation board to enhance thermal and noise performance. The evaluation EQUIPMENT NEEDED board uses a combination of surface mount technology (SMT) 1 signal generator component case size 0603, with the exception of the C2 and C6 1 dual-output dc power supply bypass capacitors, which have a maximum standard size of 1206. 1 oscilloscope with a bandwidth of at least 20 MHz The evaluation board features a variety of unpopulated resistor 2 SMA to Bayonet Neill-Concelman (BNC) male cables and capacitor pads that provide the user with multiple choices 3 banana plug to hook plug cables and extensive flexibility for different application circuits and 1 3 inch test hook jumper (optional) configurations, such as active loop filters, transimpedance 1 SMA short (optional) amplifiers (TIAs), and charge amplifiers. DOCUMENTS NEEDED Consult the ADA4625-2 data sheet for full details. The data sheet ADA4625-2 data sheet must be used in conjunction with this user guide when using the evaluation board. GENERAL DESCRIPTION This user guide describes the evaluation board for the ADA4625-2 low noise, fast settling, single-supply, rail-to-rail output (RRO), junction field effect transistor (JFET) op amp in an 8-lead small outline integrated circuit (SOIC) package with an exposed pad. PLEASE SEE THE LAST PAGE FOR AN IMPORTANT WARNING AND LEGAL TERMS AND CONDITIONS. Rev. 0 Page 1 of 7 UG-1481 EVAL-ADA4625-2ARDZ User Guide TABLE OF CONTENTS Features .............................................................................................. 1 Power Supply Configuration........................................................4 Evaluation Kit Contents ..................................................................... 1 Initial Configuration .....................................................................4 Equipment Needed ........................................................................... 1 Power-Up Procedure .....................................................................4 Documents Needed .......................................................................... 1 Evaluation Board Schematics...........................................................5 General Description ......................................................................... 1 Evaluation Board Layouts ............................................................6 Revision History ............................................................................... 2 Ordering Information .......................................................................7 Evaluation Board Photographs ....................................................... 3 Bill of Materials ..............................................................................7 Evaluation Board Quick Start Procedure ...................................... 4 Overview ........................................................................................ 4 REVISION HISTORY 6/2019Revision 0: Initial Version Rev. 0 Page 2 of 7