CW_I_OUT_M
CW_I_OUT/AMPIN_P
CW_I_OUT_P
CW_I_OUT/AMPIN_M
CW_Q_OUT_M
CW_Q_OUT/AMPIN_P
CW_Q_OUT_P
CW_Q_OUT/AMPIN_M
OPAMP-
OPAMP-
Vocm
OPAMP+
CW_I_OUT_M
CW_I_OUT_P
Please make the
layout of I/O channels symmetric (
mirror matching)
CW_I_OUTP_INT
CW_I_OUTM_INT
CW_Q_OUTP_INT
CW_Q_OUTM_INT
49.9
R154
49.9
R157
49.9
R175
49.9
R172
49.9
R156
49.9
R174
CW I/V OUTPUT
3300pF
C220
3300pF
C225
3300pF
C231
3300pF
C236
1uF
C207
1uF
C212
1uF
C217
1uF
C215
0.1uF
C208
0.1uF
C209
0.1uF
C210
0.1uF
C211
0.1uF
C216
0.1uF
C214
22uF
C222
22uF
C224
22uF
C233
22uF
C235
CW_Q_OUT_M
CW_Q_OUT_P
1.0k
R177
DNP
1.0k
R167
DNP
1.0k
R159
DNP
1.0k
R150
DNP
CW_I_OUT_M
CW_I_OUT_P
U20_P5
U20_P6
U20_P7
CW_Q_OUT_P
CW_Q_OUT_M
C
W_
SE
_I
P
C
W_S
E
_Q
P
CW_I_OUT/AMPIN_P
CW_I_OUT/AMPIN_M
CW_Q_OUT/AMPIN_P
CW_Q_OUT/AMPIN_M
1200pF
C219
1200pF
C227
1200pF
C230
1200pF
C238
OPAMP+
OPAMP-
Vocm
Vocm
OPAMP+
OPAMP-
Vocm
Vocm
0
R179
DNP
0
R170
DNP
0
R151
DNP
0
R161
DNP
0
R153
0
R162
0
R169
0
R178
CW_Q_OUTP_INT
CW_I_OUTP_INT
CW_I_OUTM_INT
TP36
DNP
TP37
DNP
1uF
C229
DC_OUTM_QP
DC_INP_QP
1uF
C239
DC_OUTP_QP
DC_INM_QP
1uF
C218
DC_OUTM_IP
DC_INP_IP
1uF
C228
DC_OUTP_IP
DC_INM_IP
0
R165
DNP
0
R182
DNP
0
R147
DNP
0
R163
DNP
499
R152
499
R160
499
R171
499
R180
3
2
1
J55
STX-3000
1
2
3
4
5
J53
1
2
3
4
5
J57
1
2
3
J52
DNP
1
2
3
J54
DNP
1
2
3
J56
DNP
1
2
3
J58
DNP
TP38
1
2
3
4
5
6
7
8
9
V+
V-
CM
U16
1
2
3
4
5
6
7
8
9
V+
V-
CM
U18
THS4131CDGNR
1
2
3
4
8
U17A
5
6
7
4
8
U17B
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AGND
0
R145
0
R146
OPAMP+
OPAMP-
4.7µF
C223
4.7µF
C234
+VS
-VS
+VS
-VS
AGND
AGND
AGND
AGND
+VS
-VS
AGND
AGND
AGND
0
R148
0
R164
0
R166
0
R181
0
R155
0
R158
0
R173
0
R176
0
R149
0
R168
0.1µF
C213
3300pF
C226
3300pF
C221
3300pF
C232
3300pF
C237
CW_Q_OUTM_INT
10k
R143
10k
R144
OPAMP+
AFE5818 EVM Schematic
47
SLOU430A – December 2015 – Revised February 2016
Copyright © 2015–2016, Texas Instruments Incorporated
Hardware Reference
Figure 64. AFE5818 Rev C EVM Schematic 8 of 11