EVAL-ADAU1401EB AD [Analog Devices], EVAL-ADAU1401EB Datasheet - Page 14

• Manufacturer Part Number: EVAL-ADAU1401EB
• Description: SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs
• Manufacturer: AD [Analog Devices]

ADAU1401
SYSTEM BLOCK DIAGRAM
INPUT SIGNALS
ADCs
AUDIO ADC
PIN INTERFACES
MULTIPURPOSE
22pF
3.3nF
SETTINGS
10µF
DACs
PLL
3.3V
+
22pF
3MHz TO 25MHz
100Ω
18kΩ
18kΩ
18kΩ
475Ω
56nF
100nF
ADC0
ADC1
ADC_RES
FILTA
MP0
MP1
MP2
MP3
MP4
MP5
MP6
MP7
MP8
MP9
MP10
MP11
PLL_LF
PLL_MODE0
PLL_MODE1
MCLKI
OSCO
100nF
100nF
100nF
10µF
+
IOVDD
Figure 12. System Block Diagram
Rev. 0 | Page 14 of 52
AGND
PVDD
ADAU1401
DGND
3.3V
AVDD
100nF
10µF
PGND
+
DVDD
ADDR1/CDATA/WB
VDRIVE
REGULATOR
3.3V TO 1.8V
CLATCH/WP
SELFBOOT
SDA/COUT
CIRCUIT
SCL/CCLK
ADDR0
VOUT0
VOUT1
VOUT2
VOUT3
RESET
FILTD
RSVD
CM
10µF
10µF
+
+
MICROCONTROLLER,
DAC OUTPUT FILTERS
(ACTIVE OR PASSIVE)
RESET LOGIC
AND/OR SELFBOOT
EEPROM,
100nF
100nF
LOGIC