WM8973-EV1M
w
Rev 1.0, February 2005
39
ADDITIONAL WM8973-EV1B SETUP RECOMMENDATIONS
ADC TO DAC LOOPBACK
Setting up the WM8973-EV1 in loopback mode allows an analogue signal to be applied to
L/RLINE_IN1, passed through the ADC, looped into the DAC and output on the L/ROUT
outputs.
MO
N
O
OU
T
OU
T3
LO
U
T
2
RO
U
T
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
RO
U
T
1
LO
U
T
1
1
Figure 32 Recommended ADC to DAC Loopback Setup
Note:
Pin 6 of H1 MUST be linked to pin 9 of H2. A digital input must also be applied to U3
or J19 so that the correct clocks are supplied to the WM8973.
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...
