Wolfson WM9081-6222-CO28-M-REV2 Скачать руководство пользователя страница 15

Customer Information 

WM9081-6222-CO28-M-REV2

  

 

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May 2009, Rev 1.0 

 

Customer Information

 

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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. 

 

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.  The customer is solely responsible for its selection and use of Wolfson 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.   

 

Wolfson does not grant any licence (express or implied) under any patent right, copyright, mask work right or other intellectual 
property right of Wolfson covering or relating to any combination, machine, or process in which its products or services might be or 
are used.  Any provision or publication of any third party’s products or services does not constitute Wolfson’s approval, licence, 
warranty or endorsement thereof.  Any third party trade marks contained in this document belong to the respective third party 
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 

E-mail :: [email protected] 

Содержание WM9081-6222-CO28-M-REV2

Страница 1: ...ing flying wires or appropriate headers This document will cover both but performance data will be based on the Wolfson system with 6222 EV1 main board Configurations covered are listed below DAC play...

Страница 2: ...TION STAND ALONE 3 CONNECTION DIAGRAM 3 I O TABLE 4 SHORTING POINTS AND JUMPER LINKS TABLE 5 BOARD CONFIGURATION WITH 6222 EV1 REV1 MAIN BOARD 6 DAC PLAYBACK TO 4 SPEAKER CLASS D MAIN BOARD 6 DAC PLAY...

Страница 3: ...tion required to do this without risking damage to the device CONNECTION DIAGRAM Figure 1 below shows the connections required to power up and control the WM9081 Customer Mini Board Please refer to Ta...

Страница 4: ...tal and speaker grounds must always be within 0 3V of each other Control Interface SCLK H4 pin 6 SDIN ENA H4 pin 4 SDOUT ADDR0 H4 pin 8 CS ADDR1 4FS H4 pin 2 All control interface signals should swing...

Страница 5: ...o select Addr1 0 default Short SP5 to select Addr1 1 3 4 wire mode Open SP5 default Hardware mode Open SP5 to select Normal mode default Short SP5 to select 4FS mode SP6 Software mode Open SP6 default...

Страница 6: ...SPEAKER CLASS D MAIN BOARD The following section details board configuration for DAC playback to 4 speaker CLASS D MAIN board BLOCK DIAGRAM MIXER SPKVDD SPKGND AVDD AGND VMIDC DAC LINEOUT SDIN ENA SCL...

Страница 7: ...2 Board 6222 EV1 REV1 WM9081 6222 CO28 M REV2 Device Date Code WPF Input Path SPDIF_IN Input Signal 997Hz 24 bit 256fs fs 48kHz Output Path SPKOUT 4R1 10uH Load Output Reference 0dBrA 8 875 dBV Suppli...

Страница 8: ...Rev 1 0 Customer Information 8 DAC PLAYBACK TO 4 SPEAKER CLASS AB MINI BOARD The following section details board configuration for DAC playback to 4 speaker CLASS AB MINI board BLOCK DIAGRAM BOARD CON...

Страница 9: ...01_0100 SEQUENCE 5 PERFORMANCE PLOT Audio Precision 05 15 09 11 18 31 WM9081 DAC CLASS AB THD N v Amplitude Color Sweep Trace Line Style Thick Data Axis Comment 1 1 Red Solid 2 Anlr THD N Ampl Left A...

Страница 10: ...mer Information w May 2009 Rev 1 0 Customer Information 10 DAC PLAYBACK TO LINEOUT The following section details board configuration for DAC playback to LINEOUT BLOCK DIAGRAM BOARD CONFIGURATION USB D...

Страница 11: ...010_1010 SEQUENCE 3 PERFORMANCE PLOT Audio Precision 05 15 09 10 35 08 WM9081 DAC LINEOUT THD N v Amplitude Color Sweep Trace Line Style Thick Data Axis Comment 1 1 Red Solid 2 Anlr THD N Ampl Left A...

Страница 12: ...Rev 1 0 Customer Information 12 BYPASS IN1 TO 4 SPEAKER CLASS D MINI BOARD The following section details board configuration for Bypass IN1 to 4 speaker CLASS D MINI board BLOCK DIAGRAM BOARD CONFIGUR...

Страница 13: ...H 0001 LINEOUT_DISCH 0 LINEOUT_VROI 0 LINEOUT_CLAMP 1 0x0B 0x0186 Power Management 0BH 0186 TSHUT_ENA 1 TSENSE_ENA 1 TEMP_SHUT 0 LINEOUT_ENA 0 SPKPGA_ENA 1 SPK_ENA 1 DAC_ENA 0 0x0E 0x4003 Clock Contro...

Страница 14: ...ease contact the Wolfson Microelectronics Applications group through the following channels Email apps wolfsonmicro com Telephone Apps 44 0 131 272 7070 Fax 44 0 131 272 7001 Mail Applications Enginee...

Страница 15: ...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...

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