Cs5509 – Cirrus Logic CS5509 User Manual
Page 18
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CS5509
18
DS125F3
Figure 9b. System Connection Diagram Using Split Supplies
CS5509
+5V
Analog
Supply
VD+
VA+
VREF+
VREF-
GND
0.1 µF
0.1 µF
8
7
9
10
11
12
13
+
-
Analog
Signal
AIN+
AIN-
SCLK
SDATA
14
15
XIN
XOUT
16
DRDY
CAL
3
1
CS
CONV
2
6
BP/UP
4
5
32.768 kHz
Voltage
Reference
Optional
Clock
Source
Serial
Data
Interface
Control
Logic
+3.3V to +5V
Digital
Supply
Note: VD+ must never be more positive than VA+
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