Cirrus Logic CS4373A - Manual (Page 17)

CS4373A
DS699F2 17
3. SYSTEM DIAGRAMS
Figure 6. Connection Diagram
CS4373A
TDATA
CAP+
CAP-
BUF+
BUF-
OUT+
OUT-
MCLK
MSYNC
DGND
MODE1
MODE2
ATT0
ATT1
MODE0
ATT2
VA-
2.5 V
VREF
10 Ω
VREF+
VREF-
100µF
VA+
VA- VD
0.1µF 0.1µF
VD VA+
10nF
C0G
Analog
Switches
CH1 BUF
CH2 BUF
CH3 BUF
CH4 BUF
CH1,2,3,4 OUT
SWITCH
CONTROL
GPIO
CS5376A
SIGNALS
MCLK
MSYNC
TBSDATA
GPIO
GPIO
GPIO
GPIO
GPIO
ELECTRONICS
SENSOR
VA-
0.1µF
VA-
+
Route VREF as diff pair
Route OUT as diff pair
Route BUF as diff pair
∆Σ
M odulator
∆Σ
M odulator
Digital Filter
AM P
AM P
AM P
AM P
Geophone
or
Hydrophone
Sensor
Geophone
or
Hydrophone
Sensor
Geophone
or
Hydrophone
Sensor
Geophone
or
Hydrophone
Sensor
M
U
X
M
U
X
M
U
X
M
U
X
Test
DAC
µController
or
Configuration
EEPROM
Com m unication
Interface
CS3301A
CS3302A
CS5371A
CS5371A
CS5376A
CS4373A
System Telem etry
CS3301A
CS3302A
CS5372A
CS5372A
Sw itch
M UX Sw itch
M UX
CS3301A
CS3302A
CS3301A
CS3302A
Figure 5. System Diagram