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Wolfson WM8738, User Handbook Manual

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Wolfson WM8738 User Handbook Manual Download Page 13

WM8738-EV1M

 

WOLFSON MICROELECTONICS LTD 

Rev 2.1 August 2002 

 

13 

 

 

WM8738-EV1B BILL OF MATERIAL 

Description

REF-DES

QTY

10uF 6.3 Dia 2.5 pitch Oscon Through Hole Cap. 16V 20%

C4 C6-7 C9 C13 C17 C51 C55-56

9

1uF 4 Dia 2 pitch Oscon Through Hole Cap. 25V 20%

C22 C48

2

0.01uF 0805 SMD Ceramic Capacitor 50V X7R

C50

1

0.1uF 0805 SMD Ceramic Capacitor 50V X7R

C1-3 C5 C8 C10-12 C14 C16 C18-20 C23 C27 
C32-38 C40 C43-44

25

180pF 0805 SMD Ceramic Capacitor 50V NPO

C29 C41

2

1nF 0805 SMD Ceramic Capacitor 50V NPO

C24 C39

2

220pF 0805 SMD Ceramic Capacitor 50V X7R

C31 C47 C58 C59

4

820pF 0805 SMD Ceramic Capacitor 50V NPO

C30 C46

2

82nF 0805 SMD Ceramic Capacitor 25V X7R

C49

1

1uF 1206 SMD Ceramic Capacitor 16V X7R

C25 C52 C53 C61

4

2.2nF 1206 SMD Ceramic Capacitor 50V NPO

C42

1

4.7nF 1206 SMD Ceramic Capacitor 50V COG

C21 C26 C54 C62

4

2x5 2.54mm Male PCB Header LoPro VERTICAL

J4

1

1x8 2.54mm pitch PCB Pin Header VERTICAL

J11 J15

2

2x6 2.54mm pitch PCB Pin Header VERTICAL

H1-2

2

JSK9-16-G0 PCB 1x3 Jumper Switch 0.1" Center-off VERTICAL

SW3-6 SW8-9

6

4mm Non-Insulated Panel Socket 16A

J1-3 J5-7 J10

7

Phono Socket PCB mount BLACK

J8

1

Phono Socket PCB mount  RED

J13 J16

2

Phono Socket PCB mount  WHITE

J12 J17

2

Phono Socket PCB mount  YELLOW

J14

1

SMB Connector PCB Mount 50 Ohm VERTICAL

J9

1

CD8427 96KHz Audio Transceiver

U3

1

DS1813 5V active Low Power-On-Reset chip SOT

U7

1

0R 1206 Resistor on 1210 Inductor site

L1-4 L6

5

3.3uH 1210 Surface Mount Inductor '1210A series'

L7

1

MC33078 Low Noise Dual Op-Amp SO

U5

1

0R 0805 SMD chip resistor 1% 0.1W

R2 R4 R5 R7 R12 R16 R42

7

100K 0805 SMD chip resistor 1% 0.1W

R20 R29 R39

3

10K 0805 SMD chip resistor 1% 0.1W

R1 R3 R6 R8 R21

5

47K 0805 SMD chip resistor 1% 0.1W

R13 R15 R17 R19 R23-24 R26 R30-33 R35

12

5k1 0805 SMD chip resistor 1% 0.125W

R34

1

620R 0805 SMD chip resistor 1% 0.1W

R11

1

680R 0805 SMD chip resistor 1% 0.1W

R22 R41 R45 R48

4

75R 0805 SMD chip resistor 1% 0.125W

R40

1

8K2 0805 SMD chip resistor 1% 0.1W

R25 R27-28 R36-38

6

SN74LVCC4245A Octal Dual Supply(5V, 3-5V) Transceiver SO

U2 U6

2

DIL Switch 4-Way Rocker

SW7

1

DIL Switch 6-Way Rocker

SW1

1

B3F1000 SPNO PCB mount switch

SW2

1

1.32mm PCB Test Terminal BLACK

TP1-6

6

2:1 Ratio 96KHz SPDIF Digital Audio transformer SOIC

T1

1

WM8738 Stereo ADC

U4

1

XC9536XL-15 3.3V 36 macrocell CPLD

U1

1

 
Note: 

1

 The audio transformer (T1) used on this board is manufactured by Scientific Conversion 

Inc. (

www.scientificonversion.com)

. 

Summary of Contents for WM8738

Page 1: ...s well as timing and data format requirements This evaluation platform has been designed to allow the user ease of use and give optimum performance in device measurement GETTING STARTED PACKING LIST T...

Page 2: ...x6 pin header H2 All WM8738 device pins are accessible for easy measurement via the 8 pin headers J11 J15 running up each side of the device BOARD INPUT Analogue input to the WM8738 is selectable via...

Page 3: ...4 5 6 OPEN 0 1 ON 1 2 3 4 0 1 SW7 J9 Figure 1 Interfaces HEADERS H1 SIGNAL J15 WM8738 SIGNAL 1 2 MCLK 1 1 DVDD 3 4 GND 2 2 SDOUT 5 6 SLAVE_LRC 3 3 BCLK 7 8 GND 4 4 FMT 9 10 SLAVE_BCLK 5 5 CAP 11 12 G...

Page 4: ...ter only selected SW8 Pins 1 2 SHORT Standard CS8427 BCLK selected Pins 2 3 SHORT Multi rate BCLK selected SW9 Pins 1 2 SHORT Standard CS8427 LRCLK selected Pins 2 3 SHORT Multi rate LRCLK selected J9...

Page 5: ...Pass Filter while putting the switch low short pins 2 3 will enable the internal digital High Pass Filter Figure 2 shows the basic getting started setup required to operate the board In this example...

Page 6: ...tup required if using an external MCLK In this example the data format is set to I2S digital HPF is active and the MCLK is running at 512fs H1 SW1 SW2 J11 J15 J5 J1 J2 J3 H2 J6 J7 J10 1 1 1 1 SW6 SW5...

Page 7: ...WM8738 EV1M WOLFSON MICROELECTONICS LTD Rev 2 1 August 2002 7 WM8738 EV1B SCHEMATIC Figure 4 Functional Diagram Figure 5 Digital Interface...

Page 8: ...WM8738 EV1M WOLFSON MICROELECTONICS LTD Rev 2 1 August 2002 8 Figure 6 Analogue Input Figure 7 Level Shift Buffer...

Page 9: ...WM8738 EV1M WOLFSON MICROELECTONICS LTD Rev 2 1 August 2002 9 Figure 8 Multi Rate Generator Figure 9 WM8738...

Page 10: ...WM8738 EV1M WOLFSON MICROELECTONICS LTD Rev 2 1 August 2002 10 Figure 10 Power...

Page 11: ...WM8738 EV1M WOLFSON MICROELECTONICS LTD Rev 2 1 August 2002 11 WM8738 EV1B PCB LAYOUT Figure 11 Top Layer Silkscreen Figure 12 Top Layer...

Page 12: ...WM8738 EV1M WOLFSON MICROELECTONICS LTD Rev 2 1 August 2002 12 Figure 13 Bottom Layer Figure 14 Bottom Layer Silkscreen...

Page 13: ...CB mount BLACK J8 1 Phono Socket PCB mount RED J13 J16 2 Phono Socket PCB mount WHITE J12 J17 2 Phono Socket PCB mount YELLOW J14 1 SMB Connector PCB Mount 50 Ohm VERTICAL J9 1 CD8427 96KHz Audio Tran...

Page 14: ...equire more information or require technical support please contact Wolfson Microelectronics Applications group through the following channels Email apps wolfsonmicro com Apps Telephone 44 131 272 707...

Page 15: ...product design WM does not warrant or represent that any license either express or implied is granted under any patent right copyright mask work right or other intellectual property right of WM cover...

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