WM8973-EV1M
w
Rev 1.0, February 2005
34
DESCRIPTION
REFERENCE QUANTITY
620R 0805 SMD chip resistor 1% 0.1W
R55
1
680R 0805 SMD chip resistor 1% 0.1W
R33
1
75R 0805 SMD chip resistor 1% 0.125W
R42
1
Unpopulated 0805 resistor site
R2 R14 R19 R34 R37-39 R44-45
R49-50 R53-54 R76-77 R79 R81
17
DIL Switch 6-Way Rocker
SW3
1
B3F1000 SPNO PCB mount switch
SW6
1
1.32mm PCB Test Terminal BLACK
TP1 TP5-9
6
1.32mm PCB Test Terminal RED
TP2-4
3
Unpop 1.32mm PCB Test Terminal
TP10
1
TORX176 Digirtal Audio Optical Receiver
U3
1
2:1 Ratio 96KHz SPDIF Digital Audio transformer SOIC
(1)
U6
1
TN0200T N- Channel MOSFET SOT23
Q1-3
3
WM8973L Stereo CODEC for Portable Audio QFN
U1
1
Table 13 WM8973-EV1M Bill of Materials
Note:
1
The audio transformer used on this board is manufactured by Scientific Conversion Inc.
(
www.scientificonversion.com)
.
Содержание WM8973-EV1B
Страница 1: ...WM8973 EV1M Evaluation Board User Handbook Rev 1 0...
Страница 3: ...WM8973 EV1M w Rev 1 0 February 2005 3 EVALUATION SUPPORT 44 IMPORTANT NOTICE 45 ADDRESS 45...
Страница 21: ...WM8973 EV1M w Rev 1 0 February 2005 21 SCHEMATIC LAYOUT Figure 13 Functional Diagram...
Страница 22: ...WM8973 EV1M w Rev 1 0 February 2005 22 Figure 14 Digital Input...
Страница 23: ...WM8973 EV1M w Rev 1 0 February 2005 23 Figure 15 Software Control...
Страница 24: ...WM8973 EV1M w Rev 1 0 February 2005 24 Figure 16 Level Shift...
Страница 25: ...WM8973 EV1M w Rev 1 0 February 2005 25 Figure 17 Analogue Input...
Страница 26: ...WM8973 EV1M w Rev 1 0 February 2005 26 Figure 18 WM8973...
Страница 27: ...WM8973 EV1M w Rev 1 0 February 2005 27 Figure 19 Analogue Output...
Страница 28: ...WM8973 EV1M w Rev 1 0 February 2005 28 Figure 20 Power...
Страница 29: ...WM8973 EV1M w Rev 1 0 February 2005 29 WM8973 EV1B PCB LAYOUT Figure 21 Top Layer Silkscreen...
Страница 30: ...WM8973 EV1M w Rev 1 0 February 2005 30 Figure 22 Top Layer...
Страница 31: ...WM8973 EV1M w Rev 1 0 February 2005 31 Figure 23 Bottom Layer...
Страница 32: ...WM8973 EV1M w Rev 1 0 February 2005 32 Figure 24 Bottom Layer Silkscreen...
