CDB5521/22/23/24/28
R15
10
Ω
+5V Analog
C14
0.1µF
C29
10µF
C30
10µF
C15
0.1µF
2
14
VA+
VD+
XIN
1
AGND
JP7
10
11
3
4
AIN1+
AIN1-
AIN2+
AIN2-
Y2
32.768kHz
R17
C32
0.1µF
HDR1
HDR2
HDR8
HDR9
C2
4700pF
301
Ω
XOUT
J1
U6
CS5521
CS5522*
1
2
3
4
9
8
12
15
6
AIN1+
AIN1-
AIN2+
AIN2-
CS
SDI
SDO
SCLK
A0
R18
C33
0.1µF
301
Ω
To
Figure 3
18
17
R25
C34
0.1µF
16
A1
C3
4700pF
Ω
301
13
7
DGND
CPD
R26
C35
0.1µF
C9
0.033µF
301
Ω
U4
LT1019
+5V Analog
R24
49.9
Ω
20
19
D2
1N4148
C20
0.1µF
IN
OUT
TRIM
VREF+
VREF-
C16
0.1µF
R7
GND
20k
Ω
HDR5
D3
1N4148
+5V Analog
JP3
CPD
GND
JP6
HDR4
5
NBV
C1
4700pF
337
C41
0.1µF
J2
R21
REF+
REF-
D5
BAT85
301
Ω
C22
10µF
JP4
+
JP5
C40
0.1µF
R22
301
* CS5521 and CS5522 are interchangeable
Ω
-5V Analog
C21
U2
LM337_LZ
VIN VOUT
ADJ
R23
1k
+
1µF
Ω
R16
1k
C11
0.1µF
+
Ω
Figure 1. CS5522 Analog Section
DS317DB2
5
CIRRUS [ CIRRUS LOGIC ]
