WM8940-6162-FL24-M-REV3 Schematic and Layout DOC TYPE: Schematic and Layout BOARD REFERENCE: WM8940-6162-FL24-M-REV3 BOARD TYPE: Customer Mini WOLFSON DEVICE(S): WM8940 DATE: April 2008 DOC REVISION: Rev 1.0 Customer Information 1 April 2008, Rev 1.0 WM8940-6162-FL24-M-REV3 Schematic and Layout Schematic Sheet 1: WM8940 Customer Information 2 April 2008, Rev 1.0 WM8940-6162-FL24-M-REV3 Schematic and Layout Bill Of Materials (BOM) Item RefDes Description Manufacturer Manufacturer's Part Number 1 U1 Silicon Surface Mount Microphone, Unamplified Knowles Acoustics SPM0102NE3-2 2 C2 C3 C4 C5 C6 C7 4.7uF 0603 SMD Ceramic Capacitor 6.3V X5R Murata GRM188R60J475KE19D 3 R11 33R 0603 SMD chip resistor 1% 0.063W Multicomp MC 0.063W 0603 1% 33R 4 R13 R15 47K 0603 SMD chip resistor 1% 0.063W Multicomp MC 0.063W 0603 1% 47K 5 R2 R3 R4 R6 R7 R8 R9 R10 R12 R14 R16 R17 R18 0R 0603 SMD chip resistor 1% 0.063W Multicomp MC 0.063W 0603 0R 6 C1 1uF 0805 SMD Ceramic Capacitor 10V X7R Multicomp N0805R105KCT 7 H8 H9 H11 H12 2x8 2.54mm pitch PCB Socket Strip VERTICAL SAMTEC SSQ-108-02-G-D 8 PCB1 PCB Wolfson Microelectronics WM8940-6162-FL24-M REV3 9 U2 WM8940 Mono Codec with Speaker Driver Wolfson Microelectronics WM8940GEFL/V 10 H1 J1 J2 J3 J4 1x2 PCB Pin Header 0.1" VERTICAL Harwin M20-9990245 11 TP25 TP26 TP27 TP28 TP29 TP30 1.32mm PCB Test Terminal BLACK VERO 20-2136 12 TP1 TP2 TP4 TP5 TP7 TP8 TP9 TP10 TP11 TP12 TP13 TP14 TP15 TP16 TP17 TP19 TP20 TP21 TP23 TP24 1.32mm PCB Test Terminal RED Vero 20-313141 Unpop Customer Information 3 April 2008, Rev 1.0 WM8940-6162-FL24-M-REV3 Schematic and Layout Layout Top Silkscreen Customer Information 4 April 2008, Rev 1.0 WM8940-6162-FL24-M-REV3 Schematic and Layout Layout Layer 2 Top Layer GND Plane Customer Information 5 April 2008, Rev 1.0 WM8940-6162-FL24-M-REV3 Schematic and Layout Layout Layer 3 Bottom Layer POWER Plane Customer Information 6 April 2008, Rev 1.0 WM8940-6162-FL24-M-REV3 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 Customer Information 7 April 2008, Rev 1.0 WM8940-6162-FL24-M-REV3 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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Any representations made, warranties given, and/or liabilities accepted by any person which differ from those contained in this datasheet or in Wolfson’s standard terms and conditions of sale, delivery and payment are made, given and/or accepted at that person’s own risk. Wolfson is not liable for any such representations, warranties or liabilities or for any reliance placed thereon by any person. ADDRESS: Wolfson Microelectronics plc Westfield House 26 Westfield Road Edinburgh EH11 2QB United Kingdom Tel :: +44 (0)131 272 7000 Fax :: +44 (0)131 272 7001 Email :: [email protected] Customer Information 8 April 2008, Rev 1.0