CDB5521 Datasheet, PDF (6/28 Pages) Cirrus Logic – Evaluation Board and Software

CDB5521/22/23/24/28
R15
10Ω
+5V Analog
J1
AIN1+
AIN1-
AIN2+
AIN2-
AIN3+
AIN3-
AIN4+
AIN4-
1
2
3
4
5
6
7
8
C14
0.1µF
C29
10µF
R17
301Ω C2
4700pF
R18
301Ω
R25
301Ω C3
4700pF
R26
301Ω
R27
301Ω C4
4700pF
R28
301Ω
HDR1 ^C32
0.1µF
HDR2 ^C33
0.1µF
HDR8 ^C34
0.1µF
HDR9 ^C35
0.1µF
HDR11 ^C36
0.1µF
HDR12 ^C37
0.1µF
2 _VA+
1 _AGND
U3
CS5523
CS5524
CS5528*
C30
VD+ ^{16 10µF}
C15
0.1µF
3 _AIN1+/AIN1
XIN ¹²
JP7
4 _AIN1-/AIN2
22 _AIN2+/AIN3
XOUT ¹³
Y2
32.768kHz
CS ¹¹
SDI ¹⁰
SDO ¹⁴
SCLK ¹⁷
A0 ⁸
A1 ¹⁸
To
Figure 3
21 _AIN2-/AIN4
DGND ¹⁵
5 _AIN3+AIN5
6 _AIN3-/AIN6
CPD ⁹
C9
0.033µF
D2
1N4148
R29
301Ω C31
4700pF
R30
301Ω
+5V Analog
U4
LT1019
C20
0.1µF
IN
OUT
GND ^TRIM
R24
49.9Ω
C16
R7 0.1µF
20kΩ
HDR13 ^C38
0.1µF
HDR14 ^C39
0.1µF
20 _AIN4+/AIN7
19 _AIN4-/AIN8
24 _VREF+
23 _VREF-
HDR5
+5V Analog
JP6
JP3
J2
REF+
REF-
R21
301Ω
JP4
JP5
R22
301Ω
C1
C41
4700pF _0.1µF
C40
0.1µF
* CS5523, CS5524 and CS5528
are interchangeable
NBV ⁷
C22
10µF ₊
D3
1N4148
CPD
GND
337
*
D5
BAT85
-5V Analog _U2
LM337_LZ
VIN VOUT
C21
1µF ⁺
ADJ
R23
1kΩ
C11
R16
0.1µF ⁺
1kΩ
HDR4
Figure 2. CS5524/28 Analog Section
6
DS317DB2