Evaluate: MAX5417 /MAX5418 /MAX5419 19-3733 Rev 0 6/05 MAX5417L Evaluation Kit/Evaluation System General Description Features The MAX5417L evaluation system (EV system) consists Power-On Recall of Wiper Position from of a MAX5417L evaluation kit (EV kit) and a companion Nonvolatile Memory command module interface board (CMODUSB). 2.7V to 5.25V Single-Supply Operation The MAX5417L EV kit is an assembled and tested Selectable Device Address Input PC board that features the MAX5417L 50k, linear-taper 2 digital potentiometer. The MAX5417L IC features an inter- I C-Compatible Serial Interface nal nonvolatile EEPROM used to store the potentiometers Easy-to-Use Menu-Driven Software wiper position for initialization during power-up. The 2 Include Windows 98-/2000-/XP-Compatible EEPROM is programmed through the I C-compatible seri- Software and Demo PC Board al interface, transmitting at rates up to 400kbps. The MAX5417L is programmed with a factory-preset address Evaluate the MAX5417/MAX5418/MAX5419 and features an address input for a total of two unique Assembled and Tested address combinations. The MAX5417L EV kit can also be used to evaluate other versions of the MAX5417, MAX5418 (100k ), and MAX5419 (200k ) digital Ordering Information potentiometers. 2 I C TEMP IC The EV kit also includes Windows 98-/2000-/XP-compat- PART IN T ERF A C E RANGE PACKAGE ible software that provides a professional user interface IN C L U D ED for exercising the MAX5417Ls features. The program is M A X54 1 7 L EVKI T 0C to +70 C 8 TD FN- E P * No menu-driven and offers a graphical user interface (GUI) M A X54 1 7 L EVCM O D U 0C to +70 C 8 TD FN- E P * Yes complete with control buttons and a track bar. *EP = Exposed pad. The CMODUSB command module allows a personal Note: To evaluate the MAX5417M /N /P , MAX5418 , or 2 computer (PC) to use its USB port to emulate an I C 2- MAX5419 , request a free sample with the wire interface. Order the MAX5417LEVCMODU for a MAX5417LEVKIT. complete PC-based EV kit. Order the MAX5417LEVKIT Note: The MAX5417L EV kit software is provided with the 2 if a CMODUSB command module or an I C-compatible MAX5417LEVKIT. However, the CMODUSB command 2-wire interface system has already been purchased module is required to interface the EV kit to the computer with a Maxim EV system. when using the included software. Future Productcontact factory for availability. MAX5417LEVCMODU System Component List PART QTY DESCRIPTION MAX5417LEVKIT 1 MAX5417L EV kit 2 CMODUSB 1 I C interface board Windows is a registered trademark of Microsoft Corp. MAX5417LEVKIT Component List DESIGNATION QTY DESCRIPTION DESIGNATION QTY DESCRIPTION R1, R2 0 Not installed, resistors (0805) 0.1F 10%, 16V X7R ceramic C1 1 capacitor (0603) MAX5417LETA U1 1 TDK C1608X7R1C104K (8-pin, 3mm x 3mm TDFN-EP) None 1 Shunt (JU1) C2 0 N ot ins tall ed, ce ram i c capac i tor ( 0603) J1 1 2 x 10 right-angle receptacle None 1 MAX5417L PC board JU1 1 3-pin header Software disk (CD-ROM), None 1 MAX5417L EV kit JU2 0 Not installed, 2-pin header JU3 1 2-pin header Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct at 1-888-629-4642, or visit Maxims website at www.maxim-ic.com.MAX5417L Evaluation Kit/Evaluation System Component Supplier SUPPLIER PHONE FAX WEBSITE TDK 847-803-6100 847-390-4405 www.component.tdk.com Note: Indicate that you are using the MAX5417L when contacting this component supplier. 8) Turn on the power supply. Quick Start 9) Connect a USB cable from the computers USB port Recommended Equipment to the CMODUSB command module. Note: Do not Windows 98/2000/XP computer and a USB port connect a power source to the P1 connector on the USB cable (to connect the computers USB port to command module. The command module is pow- the CMODUSB command module) ered through the USB port. 5V/100mA DC power supply 10) Start the MAX5417L program by opening its icon in the Start menu. Ohmmeter 11) Observe as the program automatically detects the Procedure address of the MAX5417L and starts the main program. The MAX5417L EV kit is fully assembled and tested. 12) The MAX5417L EV kit is ready for additional testing. Follow the steps below to verify board operation. Do not turn on the power supply until all connections Detailed Description are completed: of Hardware 1) Carefully connect the boards by aligning the 20-pin The MAX5417L EV kit is an assembled and tested PC connector (J1) of the MAX5417L EV kit with the P3 board that evaluates the MAX5417L linear-taper digital 20-pin header on the CMODUSB command mod- potentiometer. The MAX5417L has an end-to-end resis- ule. Gently press them together. 2 tance of 50k. The I C interface is used to program the 2) Slide both CMODUSB command module SW1 dip potentiometer wiper among 256 tap positions. The switches to the ON position. Ensure that jumper J1 MAX5417L features an internal nonvolatile memory is installed in position 1-2, setting the command (EEPROM) used to store the wiper position for initializa- module for 5V operation. 2 tion during power-up. The I C-compatible serial inter- 3) Verify that a shunt is installed across pins 1-2 of face can communicate at rates up to 400kbps to jumper JU1 (device address = 0x52) on the program the nonvolatile and the volatile memory of the MAX5417L EV kit. MAX5417L. 4) Verify that a shunt is not installed on jumper JU3 on The MAX5417L is programmed with a factory-preset the MAX5417L EV kit. address and features a configurable address bit, A0, which can set the device address to one of two unique 5) Use the INSTALL.EXE program on the provided address combinations. The MAX5417L EV kit can also CD-ROM to copy the files and create icons in the be used to evaluate other 50k digital potentiometers Windows 98/2000/XP Start menu. (MAX5417M/N/P), each with their own unique factory 6) Connect the 5V DC power supply to the VDD and address. To evaluate the four versions of the MAX5418 GND pads on the MAX5417L EV kit board. (100k) or the four versions of the MAX5419 (200k) 7) Connect the ohmmeter across the L and W pads. digital potentiometers, IC replacement is required. 2 Evaluate: MAX5417 /MAX5418 /MAX5419