MAX5474 MAXIM [Maxim Integrated Products], MAX5474 Datasheet
MAX5474
Related parts for MAX5474
MAX5474 Summary of contents
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... General Description The MAX5474 evaluation kit (EV kit assembled and tested printed-circuit board (PCB) that evaluates the MAX5474 IC. The MAX5474 is a 32-tap, 50kΩ non- volatile, linear-taper digital potentiometer. Windows 2000/XP/Vista-compatible software is available to pro- vide a convenient user interface for exercising the MAX5474 features ...
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... QFN-EP, 10mm x 10mm) Component Suppliers SUPPLIER PHONE Murata Mfg. Co., 770-436-1300 www.murata.com Ltd. Panasonic Corp. 800-344-2112 www.panasonic.com TDK Corp. 847-803-6100 www.component.tdk.com Note: Indicate that you are using the MAX5474 when contacting these component suppliers. 2 _______________________________________________________________________________________ Component List (continued) DESIGNATION U7 — ...
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... Refer to the USB_Driver_Help.PDF doc- ument for additional information. Procedure 9) Start the MAX5474 EV kit software by opening its icon in the Start | Programs menu. 10) The software automatically searches for the MAX5474. After successful connection, the EV kit soft- ware main window appears in the upper-left corner of the window ...
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... Detailed Description of Hardware The MAX5474 EV kit demonstrates the MAX5474, a 32- tap, 50kΩ nonvolatile, linear-taper digital potentiometer IC’s features. The EV kit uses a MAX5474 8-pin SOT23 package on a proven two-layer PCB design. The MAX5474 EV kit provides two options to power the MAX5474 IC. It can operate from the 3.3V supply gener- ated from the USB interface circuit, or from a user-sup- plied 2 ...
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... MAX5474. Table 5 lists the functions of switches SW1, SW2, and SW3 for stand-alone operation. Refer to the Truth Table in the MAX5474 IC data sheet for specific switch sequence. Table 5. Stand-Alone Operation for SW1, SW2, SW3 Switch Functions (CS, U/D, ...
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... USB connection is detected. The software Wiper Position and Wiper Input are ini- tialized to midscale position at startup. Software initial- ization sets the volatile register of the MAX5474 IC to midscale. The NV memory remains unchanged. If the USB connection is not detected, the software prompts the user to retry, exit the program, or enter the demo mode ...
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... GND SW3 OUT Figure 3a. MAX5474 EV Kit Schematic (Sheet _______________________________________________________________________________________ MAX5474 Evaluation Kit Problem: Software reports it cannot find the inter- face circuit. • Is the interface circuit power LED lit? • Is the USB cable connected? • Has Windows plug-and-play detected the board? Bring up Control Panel--> ...
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... U8 VL GND MAX3374E 5 8 U2_61 I VL1 O VCC1 U8_8 C16 VL2 O VCC2 1μF Figure 3b. MAX5474 EV Kit Schematic (Sheet _______________________________________________________________________________________ +5V +5V +3. 0.1μF 0.1μF 0.1μ +2.5V VCC VCC VCCIO ...
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... Figure 4. MAX5474 EV Kit Component Placement Guide—Component Side _______________________________________________________________________________________ MAX5474 Evaluation Kit 9 ...
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... MAX5474 Evaluation Kit Figure 5. MAX5474 EV Kit PCB Layout—Component Side 10 ______________________________________________________________________________________ ...
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... Figure 6. MAX5474 EV Kit PCB Layout—Solder Side Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. ...