Cirrus Logic CS5529 - Manual (Page 24)

CS5529
24 DS246F5
analog supplies and a +3 V to +5 V digital supply
to measure ground referenced bipolar signals. Fig-
ure 12 illustrates the CS5529 connected with ±3.0 V bipolar analog supplies and a +3 V digital supply
to measure ground referenced bipolar signals.
Figure 12. CS5529 Configured with ±3.0 V Supplies.
XOUT
VD+ VA+
VREF+
VREF-
DGND
AIN+
SCLK
SDO
SDI
CS5529
XIN
CS
+3.0 V
Analog
Supply
20
19
3
2 13
10
11
9
14
15
8
12
Optional Clock
Source
Serial
Data
Interface
32.768 kHz ~ 100 kHz
AIN-
4
18
D3
D2
D1
D0
A1
A0
17
16
7
6
5
VA-
-3.0 V
Analog
Supply 1
±3.0 V Differential Inputs (Gain Register = 1.0)
±1.50 V Differential Inputs (Gain Register = 2.0)
±750 mV Differential Inputs (Gain Register = 4.0)
+3 V
Digital
Supply
Logic Outputs:
A0, A1 Switch from VA+ to VA-
D0-D3 Switch from VD+ to DGND
0.1
µF
0.1
µF
0.1
µF