Cirrus Logic CDB5528 - Manual (Page 6)

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