Texas Instruments AFE5818, User Manual

Page: 40 / 63

120 ohm
FB1
120 ohm
FB2
120 ohm
FB3
120 ohm
FB6
120 ohm
FB7
120 ohm
FB10
120 ohm
FB13
332
R6
GND
GND
22uF
C2
22uF
C1
22uF
C10
22uF
C9
22uF
C18 22uF
C15
22uF
C21
+5V_SRC
+5V IN
Super Red
D2
Super Red
D4
TP8
TP4
TP10
DNP
TP11 TP12 TP13 TP14
+3.3VA +1.8VD +5V_SRC
+1.8VD
+3.3VA
GND
120 ohm
FB15
22uF
C24
22uF
C23
30k
R2
0.1uF
C3
0.1uF
C5
0.1uF
C11
0.1uF
C16
0.1uF
C17
0.1uF
C20
0.1uF
C22
470pF
C14
GND
+1.8V
+1.2V
AVDD_H
+5VA
+5V IN
+5V IN
+5V IN
+5V IN
+5V IN
AVDD_M
AFE Power Supply
-5V IN
+5V IN
GND
GND
-5V IN
Input Power Connector
120 ohm
FB14
120 ohm
FB4
120 ohm
FB5
120 ohm
FB9
120 ohm
FB8
GND
22uF
C6
22uF
C4
-5V IN
22uF
C12
-5VSS
LMKBUF_VCC
OPAMP+
+3.3VD
0.1uF
C7
0.1uF
C8
0.1uF
C13
LMK +5V IN
LMK and CW Power Supply
CW -5V
OPAMP-
+5V IN
TP1
TP3
Device Vout R13 R14 C25
AFE58xx16 1.9V 1.66k 3.01k 280pF
AFE58xx18 3.3V 5.1k 3.01k 158pF
3.01k
R14
5.1k
R13
+5VA
+5VA
160pF
C25
1
2
3
J2
Orange
D1
Red
D3
TP2
IN
2
EN
1
OUT
4
NR/FB
5
GND
6
GND
3
U5
TPS79601DCQR
IN
2
EN
1
OUT
4
NR/FB
5
GND
6
GND
3
U3
TPS79601DCQR
GND
GND
EN
1
IN
2
OUT
4
NR
5
3
GND
6
U2
TPS79633DCQR
1
3
2
J1
1
2
3
J3
IN
2
EN
1
OUT
4
NR/FB
5
GND
6
GND
3
U10
TPS79618DCQR
AVDD_M
AVDD_H
DVDD_1.2
DVDD_1.8
AVDD_1.8
120 ohm
FB16
TP15
TP5
TP6
AGND
120 ohm
FB12
120 ohm
FB11
DNP IN
2
EN
1
OUT
4
NR/FB
5
GND
6
GND
3
U4
TPS79601DCQR
AGND
3.01k
R5
5.1k
R4
160pF
C19
AGND
AGND
TP9
TP7
DNP
AGND
OPAMP-
GND AGND
TP16 TP17
0
R7
0
R8
0
R9
AGND
AGND
0 R1
332
R10 196
R12
510
R11
GND
AFE5818 EVM Schematic
www.ti.com
40 SLOU430A – December 2015 – Revised February 2016
Submit Documentation Feedback
Copyright © 2015–2016, Texas Instruments Incorporated
Hardware Reference
E.2 AFE5818 EVM Schematic
Figure 57 through Figure 67 illustrate the EVM schematics.
Figure 57. AFE5816 Rev C EVM Schematic 1 of 11