Figure 9, Illu, Cs5566 – Cirrus Logic CS5566 User Manual
Page 19

CS5566
DS806PP2
19
5/4/09
The following figure depicts the CS5566 device powered from a single 5V analog supply.
Figure 9. CS5566 Configured Using
a Single 5V Analog Supply
AIN-
AIN+
SMODE
CS
4
SCLK
4
SDO
RDY
CONV
BP/UP
MCLK
SLEEP
RST
TST
VREF-
VREF+
+4.096
Voltage
Reference
(NOTE 1)
+5 V
BUFEN
1. See Section 3.3 Voltage Reference for information on
required voltage reference performance criteria.
2. Locate capacitors so as to minimize loop length.
3. V1-, V2-, and VLR should be connected to the same
ground plane under the chip.
4. SCLK and SDO may require pull-down resistors in
some applications.
NOTES
0.1 µF
(V-) Buffers Off
(V+) Buffers On
0.1 µF
10 µF
V1+
V2+
V1-
V2-
VL
VLR
DCR
+5 V
+3.3 V to 1.8 V
0.1 µF
0.1 µF
X7R
0.1 µF
10
CS5566
49.9
47pF
4.99k
4700pF
C0G
49.9
47pF
4.99k
4700pF
C0G
+0.452 V
4.548 V
2.5 V
+4.548 V
+0.452 V
2.5 V
2.048 V
4.096 V
50
VLR2
47 µF
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