Evaluate: MAX5128 19-0843 Rev 0 7/07 MAX5128 Evaluation Kit/Evaluation System General Description Features The MAX5128 evaluation kit (EV kit) is a fully assembled Powered and Controlled from Standard USB and tested surface-mount printed-circuit board (PCB) Interface (MAX5128EVCMAXQU+) that evaluates the MAX5128 22k , linear-taper digital 2.7V to 5.25V Single-Supply Operation potentiometer. The EV kit provides both a mechanical pushbutton-controlled interface and a microprocessor- Windows 98SE/2000/XP-Compatible Evaluation controlled interface. Software The MAX5128 evaluation system (EV system) consists Easy-to-Use Menu-Driven Software of the MAX5128 EV kit and the Maxim CMAXQUSB+ command module. The EV kit includes Windows Supports Pushbutton Inputs or CPU-Generated 98SE/2000/XP-compatible software that provides a pro- Inputs fessional user interface for exercising the MAX5128s Fully Assembled and Tested features. The program is menu driven and offers a graphical user interface (GUI) complete with control buttons and a track bar. Order the complete EV system (MAX5128EVCMAXQU+) for comprehensive evaluation of the MAX5128 using a PC. Order just the EV kit (MAX5128EVKIT+) if the CMAXQUSB+ module has already been purchased with a previous Maxim EV system. Ordering Information PART TEMP RANGE IC PACKAGE COMMAND MODULE MAX5128EVKIT+ 0C to +70C* 8 DFN (2mm x 2mm) Not included MAX5128EVCMAXQU+ 0C to +70C* 8 DFN (2mm x 2mm) CMAXQUSB+ +Denotes a lead-free and RoHS-compliant EV kit/EV system. *This limited temperature range applies to the EV kit PCB only. The MAX5128 IC temperature range is -40C to +85C. Note: The Maxim CMAXQUSB+ command module is required when using the MAX5128 EV kit software. Component List DESIGNATION QTY DESCRIPTION DESIGNATION QTY DESCRIPTION SW1, SW2 2 Momentary pushbutton switches 0.1F 20%, 16V X7R ceramic capacitor (0603) MAX5128ELA+ C1 1 U1 1 (8-pin DFN, 2mm x 2mm) Taiyo Yuden EMK107BJ104MA Murata GRM188R71C104K Dual CMOS switch debouncer C2, C3 0 Not installed, capacitors (0603) MAX6817EUT+T U2 1 (6-pin SOT23, 3mm x 3mm) Dual-row, 2 x 10 right-angle J1 1 receptacle Dual CMOS inverter JU1 1 2-pin header U3 1 Fairchild NC7WZ04P6X (6-pin SC70, 2mm x 2mm) (Top Mark: Z) JU2, JU3, JU4 3 3-pin headers R1, R2 2 100k 5% resistors (0603) 4 Shunts R3 1 4.7k 5% resistor (0603) 1 PCB: MAX5128 Evaluation Kit+ Windows is a registered trademark of Microsoft Corp. 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.MAX5128 Evaluation Kit/Evaluation System 3) Ensure that jumper JU1 (VDD select) of the Component Suppliers CMAXQUSB+ is set for 5V operation. SUPPLIER PHONE WEBSITE 4) For PC control, verify that shunts are installed in the following positions: Murata Mfg. Co., Ltd. 770-436-1300 www.murata.com Taiyo Yuden 800-348-2496 www.t-yuden.com JU1 Installed JU2 Installed across pins 1-2 Note: Indicate that you are using the MAX5128 when contact- ing these component suppliers. JU3 Installed across pins 1-2 JU4 Installed across pins 2-3 Quick Start 5) Connect the ohmmeter across the H and W pads. Recommended Equipment 6) Carefully connect the boards by aligning the 20-pin Before beginning, the following equipment is needed: connector (J1) of the MAX5128 EV kit with the 20- pin header (P3) on the CMAXQUSB+ command MAX5128 EV system: module. Gently press them together. MAX5128 EV kit CMAXQUSB+ command module (USB cable 7) Connect the USB cable from the PC to the EV kit included) board. A Building Driver Database window pops up in addition to a New Hardware Found message User-supplied Windows 98SE/2000/XP-compatible when installing the USB driver for the first time. If PC with a spare USB port you do not see a window that is similar to the one DC power supply, 5V at 100mA (optional) described above after 30s, remove the USB cable Digital multimeter (DMM) from the board and reconnect it. Administrator privi- leges are required to install the USB device driver Note: In the following sections, software-related items on Windows 98SE, 2000, and XP. Refer to the are identified by bolding. Text in bold refers to items TROUBLESHOOTING USB.PDF document includ- directly from the EV kit software. Text in bold and ed with the software if you have any problems dur- underlined refers to items from the Windows ing this step. 98SE/2000/XP operating system. 8) Follow the directions of the Add New Hardware Procedure Wizard to install the USB device driver. Choose the The MAX5128 EV kit is fully assembled and tested. Search for the best driver for your device option. Follow the steps below to verify board operation. Specify the location of the device driver to be Caution: Do not turn on the power supply until all C: Program Files MAX5128 (default installation connections are completed. directory) using the Browse button. 1) Visit the Maxim website (www.maxim-ic.com/evkit- 9) Start the EV kit software by opening its icon in the software) to download the latest version of the EV kit Start Programs menu. The EV kit software main software, 5128Rxx.ZIP. Save the EV kit software to a window appears, as shown in Figure 1. temporary folder and uncompress the ZIP file. 10) Wait until the program automatically detects the 2) Install the EV kit software on your computer by run- MAX5128. ning the INSTALL.EXE program inside the temporary 11) The MAX5128 EV kit is ready for evaluation. folder. The program files are copied and icons are created in the Windows Start Programs menu. 2 Evaluate: MAX5128