CS5505/6/7/8
CS5505/6/7/8
+10V
Analog
Supply
+5V
Analog
Supply
0.1
0.1
µ
F
µ
F
(2)
17
20
VA+
VD+
Optional
Clock
Source
5
6
XIN
4
8
Calibration
Control
CAL
XOUT
M/SLP
32.768 kHz
Bipolar/
Unipolar
Input Select
7
Sleep Mode
BP/UP
CS5505/6
AIN1+
Control
and
Output Mode
Select
9
10
12
13
Analog*
Signal
Sources
21
22
AIN2+
AIN3+
AIN4+
Serial
Data
Interface
SCLK
SDATA
11
Signal
Ground
AIN-
23
2
1
*Unused analog inputs
should be tied to AIN-
DRDY
CS
14
Control
Logic
+
VREF+
A0
A1
Voltage
Reference
24
(1)
15
16
3
-
VREF-
CONV
DGND
19
VREFOUT
Unused Logic
inputs must be
connected to
VA-
18
VD+ or DGND.
Note: (1) To use the internal 2.5 volt reference see Figure 6.
(2) VD+ must never exceed VA+. Examine power-up conditions.
Figure 16. CS5505/6 System Connection Diagram Using External Reference,
Dual Supply, +10V Analog, +5V Digital
Schematic & Layout Review Service
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Schematic & Layout
Before Building Your Board.
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Call Applications Engineering.
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