CDB5521 Datasheet, PDF (5/28 Pages) Cirrus Logic – Evaluation Board and Software

CDB5521/22/23/24/28
+5V Analog
C14
0.1µF
J1
AIN1+
AIN1-
AIN2+
AIN2-
1
2
3
4
R17
301Ω C2
4700pF
R18
301Ω
R25
301Ω C3
4700pF
HDR1
HDR2
HDR8
R26
301Ω
HDR9
+5V Analog
U4
LT1019
C20
0.1µF
IN
OUT
GND ^TRIM
R24
49.9Ω
R7 ^C16
20kΩ ^0.1µF
+5V Analog
JP6
JP3
J2
REF+
REF-
R21
301Ω
JP4
JP5
R22
301Ω
C1
C41
4700pF _0.1µF
C40
0.1µF
R15
10Ω
C29
10µF
C32
0.1µF
C33
0.1µF
C34
0.1µF
C35
0.1µF
2 _VA+
C30
VD+ ^{14 10µF}
C15
0.1µF
1 _AGND
3 _AIN1+
XIN ^{10 JP7}
Y2
XOUT ¹¹
4 _AIN1-
U6
CS5521
CS ⁹
CS5522*
SDI ⁸
SDO ¹²
18 _AIN2+
SCLK ¹⁵
A0 ⁶
A1 ¹⁶
32.768kHz
To
Figure 3
17 _AIN2-
DGND ¹³
CPD ⁷
C9
0.033µF
20 _VREF+
19 _VREF-
HDR5
D2
1N4148
NBV ⁵
C22
10µF ₊
D3
1N4148
CPD
GND
337
D5
BAT85
HDR4
* CS5521 and CS5522 are interchangeable
-5V Analog
U2
LM337_LZ
VIN VOUT
C21
1µF ⁺
ADJ
R23
1kΩ
C11
R16
0.1µF ⁺
1kΩ
Figure 1. CS5522 Analog Section
DS317DB2
5