WM8903-6201-FL40-M-REV1 Schematic and Layout DOC TYPE: SCHEMATIC AND LAYOUT BOARD REFERENCE: WM8903-6201-FL40-M-REV1 BOARD TYPE: Customer Mini WOLFSON DEVICE(S): WM8903 DATE: May 2009 DOC REVISION: Rev 1.1 1 May 2009, Rev 1.1 WM8903-6201-FL40-M-REV1 Schematic and Layout SCHEMATIC Sheet 1: WM8903 2 May 2009, Rev 1.1 WM8903-6201-FL40-M-REV1 Schematic and Layout Sheet 2: Analogue I/O & Test Points 3 May 2009, Rev 1.1 WM8903-6201-FL40-M-REV1 Schematic and Layout Sheet 3: Tables 4 May 2009, Rev 1.1 WM8903-6201-FL40-M-REV1 Schematic and Layout BILL OF MATERIALS (BOM) Item RefDes Description Manufacturer Manufacturer's Part Number 1 C9 C10 2.2uF 0603 SMD Ceramic Capacitor 10V X5R Murata GRM188R61A225KE34D 2 C4 C5 C6 C7 4.7uF 0603 SMD Ceramic Capacitor 6.3V X5R Murata GRM188R60J475KE19D 3 C8 2.2uF 0402 SMD Ceramic Capacitor 6.3V X5R Murata GRM155R60J225ME15D 4 MISC2 Lead-free label, 15mm round Brady 805794 5 H5 H6 H7 H8 1x2 PCB Pin Header 0.1" VERTICAL Harwin M20-9990245 6 C2 C3 0.1uF 0603 SMD Ceramic Capacitor 16V X7R Phycomp 06032R104K7B2 7 C11 C12 C13 C14 0.1uF 0402 SMD Ceramic Capacitor 16V X7R MuRata GRM155R71C104KA88D 8 R13 R14 R15 R16 20R 0603 SMD chip resistor 1% 0.063W Multicomp MC 0.063W 0603 1% 20R 9 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R17 0R 0603 SMD chip resistor 1% 0.063W Multicomp MC 0.063W 0603 0R 10 C1 1uF 0805 SMD Ceramic Capacitor 10V X7R Multicomp N0805R105KCT 11 LNK_H5 LNK_H6 LNK_H7 LNK_H8 0.1" OPEN JUMPER LINK RED Protech 22-3565 12 J1 2x10 way socket, mates with edge connector on 0.062" thick PCB SAMTEC MEC8-110-02-L-DV 13 H1 H2 H3 H4 2x10 2.54mm Socket Vertical Samtec SSQ-110-02-G-D 14 PCB1 PCB Kelan Circuits Ltd WM8903-6201-FL40-M-REV1 15 U1 Ultra Low Power Codec for Portable Audio Applications Wolfson Microelectronics WM8903GEFK 5 May 2009, Rev 1.1 WM8903-6201-FL40-M-REV1 Schematic and Layout Item RefDes Description Manufacturer Manufacturer's Part Number 16 R18 0R 0603 SMD chip resistor 1% 0.063W Multicomp MC 0.063W 0603 0R 17 SP1 Surface mount shorting point N/A N/A 18 TP1 TP2 TP3 TP4 TP5 TP6 TP7 TP8 TP9 TP11 TP12 TP13 TP14 TP15 TP16 TP17 TP18 TP19 TP20 TP21 TP22 TP23 TP25 TP26 TP27 TP28 TP29 TP30 TP31 TP32 TP33 TP34 TP35 TP36 TP37 TP38 TP41 TP42 TP43 TP44 1.32mm off-board connection point N/A N/A Unpop 6 May 2009, Rev 1.1 WM8903-6201-FL40-M-REV1 Schematic and Layout PCB LAYOUT Top Layer: Overview 7 May 2009, Rev 1.1 WM8903-6201-FL40-M-REV1 Schematic and Layout Top Layer: Silkscreen + Copper Top Layer: Copper 8 May 2009, Rev 1.1 WM8903-6201-FL40-M-REV1 Schematic and Layout Bottom Layer: Copper Bottom Layer: Silkscreen + Copper 9 May 2009, Rev 1.1 WM8903-6201-FL40-M-REV1 Schematic and Layout APPLICATION SUPPORT If you require more information or require technical support, please contact the Wolfson Microelectronics Applications group through the following channels: Email: Telephone Apps: Fax: Mail: [email protected] +44 (0) 131 272 7070 +44 (0) 131 272 7001 Applications Engineering at the address on the last page or contact your local Wolfson representative. Additional information may be made available on our web site at: http://www.wolfsonmicro.com 10 May 2009, Rev 1.1 WM8903-6201-FL40-M-REV1 Schematic and Layout IMPORTANT NOTICE Wolfson Microelectronics plc (“Wolfson”) products and services are sold subject to Wolfson’s terms and conditions of sale, delivery and payment supplied at the time of order acknowledgement. Wolfson warrants performance of its products to the specifications in effect at the date of shipment. Wolfson reserves the right to make changes to its products and specifications or to discontinue any product or service without notice. Customers should therefore obtain the latest version of relevant information from Wolfson to verify that the information is current. Testing and other quality control techniques are utilised to the extent Wolfson deems necessary to support its warranty. Specific testing of all parameters of each device is not necessarily performed unless required by law or regulation. 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