CDB5521/22/23/24/28
R15
10Ω
+5V Analog
C14
0.1µF
C29
10µF
2
1
VA+
AGND
VD+
16
C30
10µF
C15
0.1µF
U3
CS5523
CS5524
CS5528*
XIN
3
R17
301Ω
C2
4700pF
HDR1
C32
0.1µF
4
HDR2
C33
0.1µF
22
J1
AIN1+
AIN1-
AIN2+
AIN2-
AIN3+
AIN3-
AIN4+
AIN4-
1
2
3
4
5
6
7
8
R25
301Ω
C3
4700pF
HDR8
C34
0.1µF
21
HDR9
AIN1+/AIN1
12
JP7
Y2
32.768kHz
XOUT
AIN1-/AIN2
CS
SDI
SDO
SCLK
A0
A1
DGND
13
11
10
14
17
8
18
15
R18
301Ω
AIN2+/AIN3
To
Figure 3
AIN2-/AIN4
R26
301Ω
C35
0.1µF
5
AIN3+AIN5
R27
301Ω
C9
0.033µF
CPD
9
C4
4700pF
HDR11
C36
0.1µF
6
AIN3-/AIN6
R28
301Ω
HDR12 C37
0.1µF
20
AIN4+/AIN7
D2
1N4148
R29
301Ω
C31
4700pF
HDR13
C38
0.1µF
19
AIN4-/AIN8
NBV
7
D3
1N4148
CPD
GND
337
*
C22
10µF +
D5
BAT85
HDR4
R30
301Ω
+5V Analog
C20
0.1µF
IN
U4
LT1019
OUT
GND
TRIM
C16
R7 0.1µF
20kΩ
R24
49.9Ω
HDR14
C39
0.1µF
24
23
HDR5
VREF+
VREF-
-5V Analog
U2
LM337_LZ
VIN VOUT
ADJ
R23
1k
Ω
R16
1kΩ
+5V Analog
JP6
J2
REF+
REF-
JP5
R22
301Ω
C40
0.1µF
JP3
C1
4700pF
JP4
C41
0.1µF
* CS5523, CS5524 and CS5528
are interchangeable
R21
301Ω
C21
1µF +
C11
0.1µF
+
Figure 2. CS5524/28 Analog Section
6
DS317DB2
CIRRUS [ CIRRUS LOGIC ]
