CS4373A Datasheet, PDF (17/34 Pages) Cirrus Logic – Low-power, High-performance Test DAC

3. SYSTEM DIAGRAMS
CS4373A
Geophone
or
Hydrophone
Sensor
Geophone
or
Hydrophone
Sensor
Geophone
or
Hydrophone
Sensor
Geophone
or
Hydrophone
Sensor
CS3301A
CS3302A
M
U
AMP
X
CS5371A
CS5372A
∆Σ
CS3301A
Modulator
CS3302A
M
U
AMP
X
CS3301A
CS3302A
M
U
AMP
CS5371A
X
CS5372A
∆Σ
CS3301A
Modulator
CS3302A
M
U
AMP
X
S w itch
SMwUitXch
MUX
CS5376A
Digital Filter
CS4373A
Test
DAC
Figure 5. System Diagram
System Telemetry
µController
or
Configuration
EEPROM
C o m m un icatio n
Interface
SENSOR
CH1 BUF
CH2 BUF
CH3 BUF
CH4 BUF
ELECTRONICS
CH1,2,3,4 OUT
VA+
VA-
2.5 V
VREF
SWITCH
CONTROL
VA+
0.1µF
VA-
0.1µF
VD
Analog
Switches
10nF
C0G
Route BUF as diff pair
CAP+
CAP-
BUF+
BUF-
MCLK
MSYNC
TDATA
10 Ω
100µF
Route OUT as diff pair
CS4373A
OUT+
MODE0
OUT-
MODE1
MODE2
Route VREF as diff pair _VREF+
VREF-
+
VA-
VA-
0.1µF
ATT0
ATT1
ATT2
DGND
VD
MCLK
MSYNC
TBSDATA
GPIO
GPIO
GPIO
GPIO
GPIO
GPIO
CS5376A
SIGNALS
Figure 6. Connection Diagram
DS699F2
17