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Bill of Materials, PCB Layout, and Schematics
8.3 Schematics
This section provides the schematics for the ADS1263EVM.
J6
AVDD
1
AVDD
2
GND
GND
J3
AIN0
1
AIN1
2
AIN2
3
AIN3
4
5
AIN4
6
AIN5
7
AIN6
8
AIN7
AVDD
DNP
J4
1
AIN8
2
AIN9
DNP
GND
AINCOM
R21
1.00k
J5
1
AINCOM
2
REFOUT
GND
REFOUT
AVDD
DVDD
C2
1uF
A0
C1
A1
1uF
GND
A2
A3
A4
GND
A5
A6
A7
A8
A9
AINCOM
REFOUT
C20
1uF
GND
GND
Figure 8-2. ADS1263EVM ADC, Analog Input, EEPROM, and Digital Interface Circuits
30
ADS1263EVM-PDK Evaluation Module
Analog Inputs
REFP
R5
Input filtering
1.00k
CM f-3dB = 1.06 MHz
DM f-3dB = 50 kHz
GND
REFN
R6
1.00k
R7
1.00k
GND
R8
1.00k
R9
1.00k
R1
DNP
GND
4k
R3
R10
10M
1.00k
DNP
R2
REFOUT
620
R36
R4
DNP
0
10M
GND
R11
1.00k
R33
RT1
GND
DNP
DNP
10.0k
10k
R12
1.00k
R34
DNP
10.0k
AINCOM
GND
C21
R13
150pF
1.00k
GND
REFOUT
R14
1.00k
U1
6
9
AVDD
START
20
RESET/PWDN
19
11
DVDD
SCLK
12
DIN
21
13
R40
AIN0
DOUT/DRDY
22
14
AIN1
DRDY
23
10
AIN2
CS
R15
24
AIN3
CLKIN
25
15
AIN4
XTAL1/CLKIN
R16
26
AIN5
27
16
AIN6
XTAL2
R17
28
AIN7
1
4
AIN8
CAPP
R18
2
AIN9
C14
R19
3
5
4700pF
AINCOM
CAPN
R20
8
7
REFOUT
AVSS
17
18
BYPASS
DGND
C3
ADS1263IPWR
1uF
GND
Copyright © 2023 Texas Instruments Incorporated
TP14
A0
C4
150pF
C15
1600pF
C5
150pF
TP15
U2
A1
1
A0
TP16
A2
2
A1
C6
3
A2
150pF
4
C16
VSS
1600pF
C7
BR24G32FVT-3AGE2
150pF
TP17
A3
GND
TP18
A4
C8
150pF
C17
1600pF
C9
150pF
TP19
A5
TP20
A6
RESET/PWDN
C10
START
150pF
C18
DIN
C11
1600pF
150pF
TP21
A7
SCLK
DRDY
DOUT/DRDY
TP22
A8
C12
150pF
C19
TP3
C13
1600pF
150pF
TP2
3.3_EVM
A9
RESET/PWDN
START
49.9
ADC.START
DIN
49.9
ADC.RESET/PWDN
49.9
ADC.SCLK
ADC
SCLK
49.9
ADC.DIN
DRDY
49.9
ADC.DOUT/DRDY
DOUT/DRDY
49.9
ADC.DRDY
49.9
ADC.CS
EEPROM
EVM_ID_PWR
C23
R27
0.1uF
10.0k
8
VCC
GND
WP
7
WP
6
EVM_ID_SCL
SCL
5
EVM_ID_SDA
SDA
Digital Interface
DVDD
EVM_REG_5V5
J1
R22
R24
R25
2
1
2
1
100k
100k
100k
4
3
4
3
6
5
6
5
8
7
8
7
10
9
10
9
12
11
12
11
14
13
GND
14
13
16
15
16
15
18
17
18
17
20
19
20
19
22
21
CS
22
21
24
23
24
23
R23
49.9
26
25
26
25
CAP_CLK
28
27
28
27
30
29
30
29
32
31
32
31
34
33
34
33
36
35
36
35
38
37
38
37
40
39
40
39
42
41
42
41
3.3V_EVM
44
43
44
43
46
45
46
45
48
47
48
47
WP
50
49
50
49
52
51
52
51
EVM_ID_PWR
54
53
54
53
C22
EVM_ID_SDA
56
55
56
55
10uF
EVM_ID_SCL
58
57
58
57
R26
60
59
60
59
0
MP1
MP3
C24
GND
GND
MP2
MP4
GND
GND
GND
10uF
GND
GND
GND
J2
1
2
3
4
5
6
CS
7
8
9
10
11
12
13
14
GND
SBAU206B – APRIL 2015 – REVISED MAY 2023
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