Evaluate: MAX9768 19-1222 Rev 0 11/07 MAX9768 Evaluation Kit/Evaluation System General Description Features The MAX9768 evaluation kit (EV kit) is a fully assembled Fully Tested PCB and tested printed-circuit board (PCB) that demon- 10W Output into 8 Load at 13V Power Supply strates the capabilities of the MAX9768 mono 10W Bridge-Tied Load (BTL) Output and Click-and-Pop Class D speaker amplifier with volume control. The Suppression MAX9768 EV kit also includes Windows 98SE/2000/XP- 2 Dual Mode Volume Control: Analog or I C compatible software that provides a simple graphical user interface (GUI) for exercising the features of the MAX9768. Dual Modulation Schemes: Fixed Frequency and Spread Spectrum The MAX9768 evaluation system (EV system) consists of the Shut-Down Mode and Speaker Mute Mode MAX9768 EV kit and a companion CMAXQUSB serial- interface board. The CMAXQUSB interface board allows On-Board LDO for Low-Voltage Analog Power 2 a PC to control an I C interface using its USB port. Order Supply the MAX9768 EV system (MAX9768EVCMAXQU+) for a Windows 98SE/2000/XP-Compatible Evaluation complete PC-based evaluation of the MAX9768. Order Software the MAX9768 EV kit (MAX9768EVKIT+) if you already EV System Includes USB Connectivity have a MAX9768-compatible serial interface. Ordering Information Windows is a registered trademark of Microsoft Corp. Dual Mode is a trademark of Maxim Integrated Products, Inc. PART TYPE Component Lists MAX9768EVKIT + EV Kit MAX9768 EV System MAX9768EVCMAXQU + EV System PART QTY DESCRIPTION +Denotes lead-free and RoHS-compliant. MAX9768EVKIT+ 1 MAX9768 EV kit Note: The MAX9768 EV kit software is designed for use with the complete EV system. The EV system includes both the CMAXQUSB+ 1 Serial-interface board Maxim CMAXQUSB interface board and the EV kit. If the Windows software will not be used, the EV kit board can be MAX9768 EV Kit purchased without the Maxim CMAXQUSB board. DESIGNATION QTY DESCRIPTION MAX9768 EV Kit (continued) MINIMAL COMPONENTS FOR CUSTOMER DESIGN DESIGNATION QTY DESCRIPTION 0.1F 10%, 16V X7R ceramic C1, C2 2 capacitors (0603) OPTIONAL COMPONENTS FOR CUSTOMER EVALUATION Murata GRM188R71C104K Not installed, ceramic capacitors C9, C10 0 1F 10%, 10V X7R ceramic (0603) C3, C5 2 capacitors (0603) 0.01F 10%, 50V X7R ceramic Murata GRM188R61A105K C11, C12 2 capacitors (0805) 0.47F 10%, 16V X7R ceramic Murata GRM216R71H103K C4 1 capacitor (0805) 0.22F 10%, 25V X7R ceramic Murata GRM21BR71C474K C13, C15 2 capacitors (1206) 1F 10%, 16V X7R ceramic Panasonic ECJ-3VB1E224K C6, C8 2 capacitors (0805) Murata GRM21BR71C105K 0.01F 10%, 16V X7R ceramic C14, C16, C20 3 capacitors (0603) 22F 20%, 16V aluminum Murata GRM188R71C103K C7, C21 2 electrolytic capacitor (C case) Panasonic EEEFC1C220R 1F 10%, 16V X7R ceramic R2, R3 2 20k 1% resistors (0603) C17 1 capacitor (0805) Murata GRM21BR71C105K Maxim 10W mono speaker amplifier with volume control 1F 10%, 10V X7R ceramic U1 1 MAX9768ETG+ (24-pin, 4mm x 4mm C18 1 capacitor (0603) x 0.8mm, TQFN-EP*) Murata GRM188R61A105K *EP = Exposed paddle. 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.MAX9768 Evaluation Kit/Evaluation System Component Lists (continued) MAX9768 EV Kit (continued) DESIGNATION QTY DESCRIPTION DESIGNATION QTY DESCRIPTION 100pF 5%, 50V C0G ceramic M axim 12V l ow - d r opout li near r egul at or U2 1 C19 1 capacitor (0603) MAX1726EUK33+ (5-pin SOT23) Murata GRM1885C1H101J 8 Shunts J1 1 2 x 10 right-angle female receptacle 0.250in x 0.500in 440 round nylon 4 J2 1 White RCA mono jack spacers J3J6 4 Binding posts, uninsulated 4 440 x 0.375in nylon machine screws JU1JU5 5 Single-row 3-pin headers 1 PCB: MAX9768 Evaluation Kit+ JU6 1 3-way-pin header JU7, JU8 2 2-pin headers MAX9768 EV Kit Files 60, 3A ferrite beads (0805) L1, L2 2 FILE DESCRIPTION Murata BLM21PG600SN1 Installs the EV kit files L3, L4 2 Shorted with 0 resistors (0603) INSTALL.EXE on your computer 22H, 1.9A inductors L5, L6 2 MAX9768.EXE Application program TDK SLF10145T-220M1R9PF FTD2XX.INF USB device driver file R1, R5 2 10k 5% resistors (0603) Uninstalls the EV kit R4 1 20 5% resistor (1206) UNINST.INI software 10k 20% thumbwheel USB driver installation R6 1 potentiometer TROUBLESHOOTING USB.PDF help file Panasonic EVL-HFAA05B14 directly from the EV kit software. Text in bold and Quick Start underlined refers to items from the Windows 98SE/ Recommended Equipment 2000/XP operating system. Before proceeding, the following equipment is needed: Procedure for Stand-Alone Operation 4.5V to 14V DC, 3A power supply The MAX9768 EV kit is fully assembled and tested. Audio source (i.e., CD player, 1V maximum output) RMS Follow the steps below to verify board operation for analog volume control. Do not turn on the power sup- 8 speaker ply until all connections are completed. MAX9768 EV system 1) On the MAX9768 EV kit, make sure the shunts are in MAX9768 EV kit the default positions (see Table 1). Maxim CMAXQUSB interface board 2) Connect the positive terminal of the 4.5V to 14V DC (USB cable included) power supply to the PV binding post, and the power- DD A user-supplied Windows 98SE/2000/XP PC with a supply ground terminal to the PGND binding post. spare USB port 3) Connect the 8 speaker across the FOUT+ and Note: In the following sections, software-related items FOUT- binding posts. are identified by bolding. Text in bold refers to items Component Suppliers SUPPLIER PHONE WEBSITE Murata Mfg. Co., Ltd. 770-436-1300 www.murata.com Panasonic Corp. 800-344-2112 www.panasonic.com TDK Corp. 847-803-6100 www.component.tdk.com Note: Indicate that you are using the MAX9768 when contacting these component suppliers. 2 Evaluate: MAX9768