Evaluates: MAX9943 19-5086 Rev 0 12/09 MAX9943 Evaluation Kit General Description Features The MAX9943 evaluation kit (EV kit) is a fully assembled S Flexible Input and Output Configurations and tested PCB that evaluates the MAX9943 high- S +6V to +38V Single Supply Range voltage, precision, low drift, and low-power op amp. S 3V to 19V Dual Supply Range S Fully Assembled and Tested Ordering Information PART TYPE MAX9943EVKIT+ EV Kit +Denotes lead(Pb)-free and RoHS compliant. Component List DESIGNATION QTY DESCRIPTION DESIGNATION QTY DESCRIPTION R3 1 0I Q5% resistor (0603) 10FF Q20%, 25V tantalum C1, C2 2 capacitors (C size) Not installed, 1W through-hole R4 0 AVX TAJC106M025R resistor 0.1FF Q10%, 50V X7R ceramic High-voltage, precision, low- C3, C4 2 capacitors (0603) U1 1 power op amp (6 TDFN-EP*) Murata GRM188R71H104K Maxim MAX9943ATT+ C5 0 Not installed, capacitor (0603) VCC, VEE 2 Multipurpose test points, red GND 5 Multipurpose test points, black PCB: MAX9943 EVALUATION 1 KIT+ JU1, JU2 2 3-pin headers OUT, VIN-, VIN+ 3 Multipurpose test points, white *EP = Exposed pad. R1, R2 2 1kI Q5% resistors (0603) Component Suppliers SUPPLIER PHONE WEBSITE AVX Corporation 843-946-0238 www.avxcorp.com Murata Electronics North America, Inc. 770-436-1300 www.murata-northamerica.com Note: Indicate that you are using the MAX9943 when contacting these component suppliers. Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.MAX9943 Evaluation Kit 9) Connect the positive input of the oscilloscope to the Quick Start OUT test point. Required Equipment 10) Connect the negative input of the oscilloscope to MAX9943 EV kit the GND test point. +15V power supply (VCC) 11) Enable the VCC and VEE power supplies. -15V power supply (VEE) 12) Enable the waveform-generator output. Waveform generator 13) Verify that V = 2 x V or a 6V sine wave. OUT VIN+ P-P Oscilloscope Procedure Detailed Description of Hardware The MAX9943 EV kit is fully assembled and tested. Follow the steps below to verify board operation: Power Supplies The MAX9943 EV kit can operate with dual supplies from 1) Verify that all jumpers are in their default positions, Q3V to Q19V, or with a single supply from +6V to +38V as shown in Table 1. with respect to ground. Appropriate bypass capacitors 2) Set the VCC power-supply output to +15V. Disable are provided to the VCC and VEE power-supply inputs. the output. Input and Output Configurations 3) Set the VEE power-supply output to -15V. Disable The EV kit provides jumpers JU1 and JU2 for flexible the output. input configurations. For noninverting-amplifier configu- 4) Set the waveform-generator output to 1kHz sine ration, place shunts on pins 1-2 of JU1 and pins 2-3 of wave, V = +3V. Disable the output. P-P JU2. For inverting-amplifier configuration, place shunts 5) Connect the positive terminal of the VCC power on pins 1-2 of JU2 and pins 2-3 of JU1. Table 1 summa- supply to the VCC test point. Connect the ground rizes the functions of JU1 and JU2. terminal of the VCC power supply to the GND test Capacitive-Load Driving point. The EV kit provides the C5 and R3 footprints for optional 6) Connect the negative terminal of the VEE power capacitive-load driving circuit. C5 simulates the capaci- supply to the VEE test point. Connect the ground tive load while R3 acts as the isolation resistor to improve terminal of the VEE power supply to the GND test the op amps stability at higher capacitive loads. For point. additional details, refer to the Capacitive Load Stability section in the MAX9943 IC data sheet. 7) Connect the waveform-generator output to the VIN+ test point. 8) Connect the waveform-generator ground to the GND test point. Table 1. Jumper Descriptions (JU1, JU2) SHUNT CONFIGURATION JUMPER DESCRIPTION POSITIONS JU1 1-2* R2 V = 1+ x V OUT VIN+ Noninverting R1 JU2 2-3* where V is the voltage applied at the VIN+ test point. VIN+ JU1 2-3 R2 V = x V OUT VIN- Inverting R1 JU2 1-2 where V is the voltage applied at the VIN- test point. VIN- *Default position. 2 Evaluates: MAX9943