0.1uF
C189
0.1uF
C185
0.1uF
C187
1uF
C186
0.1uF
C191
1uF
C190
0.1uF
C188
VCNTL_EXT
0.1uF
C200
CM_VCON_OPAMP
0.1uF
C192
0.1uF
C193
0.1uF
C199
0.1uF
C194
1uF
C195
0.1uF
C196
0.1uF
C197
1uF
C198
VCON SINGLE TO DIFFERENTIAL CONVERTER
10pF
C204
CS_TGC_PROFILE_0
TGC_PROF_1
AGND
10pF
C206
CS_TGC_PROFILE_1
TGC_PROF_2/DIG_CTRL
AGND
10pF
C203
CS_TGC_SLOPE
GND
10pF
C205
CS_TGC_UP_DOWN
GND
GND
CS_TGC_UP_DOWN
CS_TGC_SLOPE
CS_TGC_PROFILE_1
CS_TGC_PROFILE_0
DTGC CONTROL SIGNALS
0
R124
DNP
CM_VCON
TGC_UP_DOWN_EXT
TGC_SLOPE_EXT
200
R122
TP51
DNP
TP50
DNP
TP52
DNP
TP35
DNP
TGC_SLOPE/VCNTLP
TGC_UP_DN/VCNTLM
ATGC/DTGC Selection
VCNTLP
VCNTLM
TSW_GPIO_0
TSW_GPIO_1
TSW_GPIO_2
TSW_GPIO_3
0
R137
DNP
0
R138
DNP
0
R139
DNP
0
R140
DNP
TGC_PROF_2/DIG_CTRL
TGC_PROF_1
0
R141
DNP
0
R142
DNP
CPLD_UD
CPLD_SL
VCntl (AFE58xx18 Only)
DTGC(AFE58xx16 Only)
0
R130
DNP
0
R132
TGC_UP_DOWN_EXT
TGC_UP_DOWN_EXT
TGC_SLOPE_EXT
TGC_SLOPE_EXT
TGC_SLOPE_EXT
TGC_UP_DOWN_EXT
ATGC/DTGC
VCNTLP
OPAMP+
OPAMP-
OPAMP-
OPAMP+
OPAMP+
OPAMP-
200
R128
200
R131
0.1uF
C201
0.1uF
C202
CM_VCON_OPAMP
0
R123
49.9
R120
390
R114
390
R113
390
R119
390
R118
100
R135
100
R133
100
R136
100
R134
0
R127
DNP
0
R129
V
C
N
TL
P
V
C
N
T
L
M
0
R117
VCNTLP
VCNTLM
1.00Meg
R121
1.00Meg
R125
1
2
3
4
5
J48
1
2
3
4
5
6
J45
1
2
3
4
5
6
7
8
9
V+
V-
CM
U15
1k
R126
10k
R116
1
2
J47
1
2
J49
1
2
3
J46
4
1
2
3
J51
DNP
4
1
2
3
J50
DNP
4
7
6
3
2
U14A
NC
1
NC
5
NC
8
U14B
AGND
AGND
AGND
AGND
AGND
AGND
AGND
OPAMP+
OPAMP-
OPAMP+
AGND
AGND
OPAMP+
10k
R115
OPAMP+
OPAMP-
AGND
AFE5818 EVM Schematic
48
SLOU430A – December 2015 – Revised February 2016
Copyright © 2015–2016, Texas Instruments Incorporated
Hardware Reference
Figure 65. AFE5818 Rev C EVM Schematic 9 of 11