WM7121-1701-MS4-M-REV1 Schematic and Layout

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.
Wolfson warrants
arrants performance of its products
prod cts to the specifications in effect at the date of shipment.
shipment Wolfson reser
reserves
es the right to make changes to its prod
products
cts 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.
In order to minimise risks associated with customer applications, the customer must use adequate design and operating safeguards to minimise inherent or procedural hazards.
Wolfson is not liable for applications assistance or customer product design.
design The customer is solely responsible for its selection and use of Wolfson products
products. Wolfson is not liable
for such selection or use nor for use of any circuitry other than circuitry entirely embodied in a Wolfson product.
Wolfson’s products are not intended for use in life support systems, appliances, nuclear systems or systems where malfunction can reasonably be expected to result in personal
injury, death or severe property or environmental damage. Any use of products by the customer for such purposes is at the customer’s own risk.
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Wolfson’s
Wolfson
s approval,
approval licence
licence, warranty or endorsement thereof
thereof. Any third party trade marks contained in this document belong to the respective third party owner
owner.
Reproduction of information from Wolfson datasheets is permissible only if reproduction is without alteration and is accompanied by all associated copyright, proprietary and other
notices (including this notice) and conditions. Wolfson is not liable for any unauthorised alteration of such information or for any reliance placed thereon.
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 :: apps@wolfsonmicro.com
Customer Information
8
January 2013, Rev 1.0