WM8956-6158-FL32-M-REV1 Schematic and Layout DOC TYPE: SCHEMATIC AND LAYOUT BOARD REFERENCE: WM8956-6158-FL32-M BOARD TYPE: Customer Mini WOLFSON DEVICE(S): WM8956 DATE: March 2009 DOC REVISION: Rev 1.1 Customer Information 1 March 2009, Rev 1.1 WM8956-6158-FL32-M-REV1 Schematic and Layout SCHEMATIC Customer Information Sheet 1: WM8956 2 March 2009, Rev 1.1 WM8956-6158-FL32-M-REV1 Schematic and Layout Sheet 2: Analogue Outputs Customer Information 3 March 2009, Rev 1.1 WM8956-6158-FL32-M-REV1 Schematic and Layout Sheet 3: Reference Tables Customer Information 4 March 2009, Rev 1.1 WM8956-6158-FL32-M-REV1 Schematic and Layout BILL OF MATERIALS (BOM) Item RefDes Description Manufacturer Manufacturer's Part Number 1 J3 3.5mm Jack Socket 6.5mm Centre Height Technik Industrial TSH-3565-PBT-TIC-T 2 J4 Silicon Surface Mount Microphone, Unamplified Knowles Acoustics SPM0102NE3-2 3 C9 C13 C14 C17 C20 C21 C26 4.7uF 0603 SMD Ceramic Capacitor 6.3V X5R Murata GRM188R60J475KE19D 4 MISC2 Lead-free label, 15mm round Brady 805794 5 J1 J2 PCB mount 1X2 terminal block for 2.5mm wire guage LUMBERG KRM 02 6 C16 C18 C19 0.1uF 0603 SMD Ceramic Capacitor 16V X7R Phycomp 06032R104K7B2 7 C22 C24 220pF 0603 SMD Ceramic Capacitor 50V NPO AVX 06035A221JAT2A 8 TP19 TP22 TP23 TP25 TP33 TP34 TP35 TP36 1.32mm PCB Test Terminal RED Vero 20-313141 9 C28 C29 C30 C31 22nF 1206 SMD Ceramic Capacitor 50V COG Murata GRM3195C1H223JA01D 10 R19 R26 10k 0603 SMD chip resistor 1% 0.063W Multicomp MC 0.063W 0603 1% 10K 11 R13 33k 0603 SMD chip resistor 1% 0.063W Multicomp MC 0.063W 0603 1% 33K 12 R10 33R 0603 SMD chip resistor 1% 0.063W Multicomp MC 0.063W 0603 1% 33R 13 FB1 FB2 FB3 FB4 0R 0603 SMD chip resistor 1% 0.063W Multicomp MC 0.063W 0603 0R 14 R1 R2 R3 R5 R6 R7 R8 R9 R11 R12 R15 R16 R17 R18 R20 R21 R22 R23 R24 R25 R27 0R 0603 SMD chip resistor 1% 0.063W Multicomp MC 0.063W 0603 0R 15 R28 R29 R30 R31 220R 1206 SMD chip resistor 1% 0.125W Multicomp MC 0.125W 1206 1% 220R 16 C27 1uF 0805 SMD Ceramic Capacitor 10V X7R Multicomp N0805R105KCT 17 H1 H2 H3 H4 2x8 2.54mm pitch PCB Socket Strip VERTICAL SAMTEC SSQ-108-02-G-D 18 C23 C25 220uF 4V SMD Tantalum Capacitor case P Vishay 298D227X0004P2T 19 PCB1 PCB Kelan Circuits Ltd WM8956-6158-FL32-M-REV1 20 U1 Wolfson WM8956 Hi-Fi DAC 32 pin QFN Wolfson Microelectronics WM8956GEFL Customer Information 5 March 2009, Rev 1.1 WM8956-6158-FL32-M-REV1 Schematic and Layout Item RefDes Description Manufacturer Manufacturer's Part Number 21 L1 L2 L3 L4 10uH Shielded SM Power 1.1A Inductor ' LPS4018 series' Coilcraft LPS4018-103ML 22 H5 H6 H7 H8 1x2 PCB Pin Header 0.1" VERTICAL Harwin M20-9990245 23 C2 C5 680nF 0805 SMD Ceramic Capacitor 50V X7R KEMET C0805C684K5RAC 24 C1 C3 C4 C6 220pF 0603 SMD Ceramic Capacitor 50V NPO AVX 06035A221JAT2A 25 C7 C8 C11 C12 22pF 0603 SMD Ceramic Capacitor 50V NPO Phycomp 2238 867 15229 26 TP37 TP38 TP39 TP40 TP41 TP42 1.32mm PCB Test Terminal BLACK VERO 20-2136 27 R4 R14 0R 0603 SMD chip resistor 1% 0.063W Multicomp MC 0.063W 0603 0R 28 SP1 SP2 SP3 SP4 SP5 SP6 SP7 SP8 SP9 SP10 Surface mount shorting point N/A N/A 29 TP1 TP2 TP3 TP4 TP5 TP6 TP7 TP8 TP10 TP11 TP12 TP13 TP14 TP15 TP17 TP18 TP26 TP27 TP29 TP30 TP31 TP32 1.32mm off-board connection point N/A N/A Unpop Customer Information 6 March 2009, Rev 1.1 WM8956-6158-FL32-M-REV1 Schematic and Layout PCB LAYOUT Top Layer: Overview Customer Information 7 March 2009, Rev 1.1 WM8956-6158-FL32-M-REV1 Schematic and Layout Top Layer: Silkscreen + Copper Customer Information Top Layer: Copper 8 March 2009, Rev 1.1 WM8956-6158-FL32-M-REV1 Schematic and Layout Layer 2: Copper Customer Information Layer 3: Copper 9 March 2009, Rev 1.1 WM8956-6158-FL32-M-REV1 Schematic and Layout Bottom Layer: Copper Customer Information Bottom Layer: Silkscreen + Copper 10 March 2009, Rev 1.1 WM8956-6158-FL32-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 Customer Information 11 March 2009, Rev 1.1 WM8956-6158-FL32-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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