adau1442 Analog Devices, Inc., adau1442 Datasheet - Page 88

• Manufacturer Part Number: adau1442
• Description: Sigmadsp Digital Audio Processor With Flexible Audio Routing Matrix
• Manufacturer: Analog Devices, Inc.

TYPICAL APPLICATION SCHEMATICS
SELF BOOT MEMORY
1
2
3
4
A0
A1
A2
GND
24AA256
VCC
SCL
SDA
WP
8
7
6
5
D3V3
D3V3
BULK BYPASS CAPACITORS
2.2kΩ
AVDD
+
IOVDD
IOVDD
D3V3
10μF
2.2kΩ
PVDD
100nF
100nF
+
10μF
100nF
100nF
IOVDD
DVDD
+
10μF
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
1
2
3
4
5
6
7
8
9
DVDD
DGND
IOVDD
BCLK3
LRCLK3
SDATA_IN2
BCLK2
LRCLK2
SDATA_IN1
BCLK1
LRCLK1
SDATA_IN0
BCLK0
DGND
IOVDD
LRCLK0
MP11
MP10
MP9
MP8
ADDR0
CLATCH
SCL/CCLK
SDA/COUT
ADDR1/CDATA
DVDD
+
10μF
Figure 64. Self-Boot Application Schematic
100nF
DVDD
IOVDD
Rev. PrA | Page 88 of 92
1kΩ
DVDD
ADAU1442/ADAU1445/ADAU1446
SWITCH
BOOT
SELF
10kΩ
IOVDD
DVDD
D3V3
100nF
100nF
1kΩ
REGULATOR
100nF
IOVDD
100nF
DVDD
DVDD
22pF
100nF
PVDD
22pF
AVDD
100nF
1.5kΩ
33nF
IOVDD
PVDD
100nF
SDATA_OUT5
SDATA_OUT6
SDATA_OUT7
SDATA_OUT8
1.8nF
DVDD
SDATA_IN8
MP0/ADC0
MP1/ADC1
MP2/ADC2
MP3/ADC3
PLL LOOP
LRCLK10
LRCLK11
CLKOUT
FILTER
LRCLK9
BCLK10
BCLK11
BCLK8
BCLK9
RESET
IOVDD
IOVDD
DVDD
DGND
DGND
PLL0
PLL1
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
DVDD
100nF
100nF
IOVDD
IOVDD
D3V3
RESET
100nF
100nF