WM7121-1701-MS4-M-REV1 Schematic and Layout DOC TYPE: SCHEMATIC AND LAYOUT BOARD REFERENCE: WM7121-1701-MS4-M-REV1 BOARD TYPE: Customer Mini WOLFSON DEVICE(S): WM7121 DATE: January 2013 DOC REVISION: Rev 1.0 Customer Information 1 January 2013, Rev 1.0 WM7121-1701-MS4-M-REV1 Schematic and Layout SCHEMATIC Customer Information Sheet 1: WM7121 2 January 2013, Rev 1.0 WM7121-1701-MS4-M-REV1 Schematic and Layout BILL OF MATERIALS(BOM) Item RefDes Description 1 2 3 4 5 C2 R1 R4 R2 U1 0 1uF 0603 SMD Ceramic Capacitor 16V X7R 0.1uF 0R 0603 SMD chip resistor 1% 0.063W 0R 0603 SMD chip resistor 1% 0.063W 0R 0805 SMD chip resistor 1% 0.1W WM7121 Top Port Analogue Silicon Microphone 6 PCB1 PCB Unpop 7 8 9 10 Manufacturer Phycomp Multicomp Multicomp Multicomp Wolfson Microelectronics ZOT Engineering J1 1x10 0.8mm Top Side Edge Finger Connector J2 1x10 0.8mm Bottom Side Edge Finger Connector TP1, TP2, 1.0mm PCB Hole test point TP3, TP4 TP5 TP6 TP4,TP5,TP6 R3 0R 0603 SMD chip resistor 1% 0.063W Customer Information Multicomp 3 Manufacturer's Part Number 2238 786 15649 MC 0.063W 0603 0R MC 0.063W 0603 0R MC 0.1W 0805 0R WM7121 WM7121-1701-MS4-M-REV1 WM7121 1701 MS4 M REV1 MC 0.063W 0603 0R January 2013, Rev 1.0 WM7121-1701-MS4-M-REV1 Schematic and Layout PCB LAYOUT Top Layer: Overview Customer Information 4 January 2013, Rev 1.0 WM7121-1701-MS4-M-REV1 Schematic and Layout Top Layer: Silkscreen + Copper Customer Information Top Layer: Copper 5 January 2013, Rev 1.0 WM7121-1701-MS4-M-REV1 Schematic and Layout Layer 2: Copper Customer Information Layer 3: Copper 6 January 2013, Rev 1.0 0 WM7121-1701-MS4-M-REV1 Schematic and Layout TECHNICAL SUPPORT If you require more information or require technical support, please contact the nearest Wolfson Microelectronics regional office: http://www.wolfsonmicro.com/contact or one of our global distributors: http://www.wolfsonmicro.com/distribution Customer Information 7 January 2013, Rev 1.0 WM7121-1701-MS4-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. 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