Texas Instruments ADS7042EVM-PDK, Руководство пользователя

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5.3 Schematic
Figure 5-8 shows the schematic for the ADS704X-5XEVM.
EVM_CAP EVM_REG_5V5 EVM_ID_PWR
EVM_ID_SDA
EVM_ID_SCL
WP
EVM_ID_PWR EVM_ID_PWR
EVM_ID_SDA
EVM_ID_SCL
EVM_REG_5V5
EVM_ID_PWR
SDO_A
SCLK_AB
AGND
AGND
AGND AGND AGND
AGND
AGND
AGND
AGND AGND
A0
1
A1
2
A2
3
VSS
4
SDA
5
SCL
6
WP
7
VCC
8
U4
BR24G32FVT-3AGE2
1
1
3
3
5
5
7
7
9
9
11
11
13
13
15
15
17
17
19
19
21
21
23
23
25
25
27
27
29
29
31
31
33
33
35
35
37
37
39
39
41
41
43
43
45
45
47
47
49
49
51
51
53
53
55
55
57
57
59
59
2
2
4
4
6
6
8
8
10
10
12
12
14
14
16
16
18
18
20
20
22
22
24
24
26
26
28
28
30
30
32
32
34
34
36
36
38
38
40
40
42
42
44
44
46
46
48
48
50
50
52
52
54
54
56
56
58
58
60
60
GND
MP1
GND
MP2
GND
MP3
GND
MP4
J4
QTH-030-01-L-D-A
VBIAS
AGND
10uF
C1
10uF
C2
10uF
C3
2
1
3
S1
CAS-120TA
TP1
49.9 R15
49.9 R17
49.9 R16 SDO_B
SCLK_AB
CS_B
0 R10
DNP
EVM_ID_WP
EVM_ID_WP
CS_B
1
2
3
4
5
6
OPA836IDBVR
U6
V+
8
V-
4
OPA2836QDGKRQ1
U7C
AGND
16.0
R25
16.0
R27
300pF
C17
EVM_DVDD
AGND
0
R12
0
R11
49.9 R18
49.9 R20
49.9 R19 SDO_A
SCLK_AB
CS_A
AGND
AGND
SDO_B
CS_A
AVDD
OPA_VDD
OPA_VDD
OPA_VSS
100k
R7
100k
R9
1.00k
R23
1.00k
R24
1.00k
R29
1.00k
R30
AVDD
AGND
AGND
OPA_VSS
EVM_REG_5V5
EVM_DVDD
AGND
0
R22
0
R21
AGND
AVDD
0
R2
0
R8
0
R1
0
R6
1
2
3
JP4
JP3
0 R37
DNP
IN
1
EN
3
BYPASS
4
FB
5
OUT
6
2
GND
TPS79101DBVR
U1
IN
1
EN
3
BYPASS
4
FB
5
OUT
6
2
GND
TPS79101DBVR
U2
15pF
C19
15pF
C5
51.1k
R33
30.1k
R34
30.1k
R32
59.0k
R31
OPA_VDD
10V
10uF
C7
10V
10uF
C20
AGND
AGND
JP2
AGND
JP1
AGND
U3_AINM
U3_AVDD
U3_DVDD
U3_SCLK
U3_SDO
U3_CS
U5_AVDD
U5_DVDD
U5_SCLK
U5_SDO
U5_CS
U5_AINP
U5_AINM
AGND
U3_AVDD
U3_DVDD
U3_SCLK
U3_SDO
U3_CS
U3_AINP
U3_AINM
U5_AVDD
U5_DVDD
U5_SCLK
U5_SDO
U5_CS
U5_AINP
U5_AINM
AGND
AGND
U3_AINP
0
R39
DNP
10.0k
R26
10.0k
R28
0
R4
5
6
7
B
OPA2836QDGKRQ1
U7B
2
3
1
A
OPA2836QDGKRQ1
U7A
1 2
3 4
5 6
7 8
9 10
JP5
TSW-105-07-G-D
OPA_VDD
AGND
OPA_VSS
AVDD
0
R40
AINM
1.00k
R36
1.00k
R35
470
R41
EVM_REG_5V5
AGND
CS
4
SDO
3
SCLK
2
DVDD
1
GND
8
AVDD
7
AINP
6
AINM
5
ADS7042IDCUR
U3
AGND
100
R42
VBIAS
CS
1
SDO
2
SCLK
3
DVDD
4
GND
5
AVDD
6
AINP
7
AINM
8
ADS7042IRUGR
U8
DNP
AVDD
7
DVDD
1
CS
4
AINM
5
AINP
6
SCLK
2
SDO
3
GND
8
ADS7044IDCUR
U9
DNP
CS
1
SDO
2
SCLK
3
DVDD
4
GND
5
AVDD
6
AINP
7
AINM
8
ADS7057IRUGR
U5
1
2 3 4 5
J1
1
2 3 4 5
J2
1
2 3 4 5
J3
10nF
C18
100nF C12
DNP
100nF
C22
100nF
C13
100nF
C10
10nF
C21
10nF
C14
1µF
C4
1µF
C6
1µF
C8
1µF
C9
1µF
C15
1µF
C16
Green
D1
100k
R5
301k
R3
AVDD/4
AGND
16.0
R14
16.0
R38
300pF
C11
Replace R43 and R44 with 100nF
capacitors when OPA_VSS ≠ AGND
0
R43
0
R44
100nF C23
DNP
100nF C24
DNP
1
3
2
4
8
OPA2320AIDGKR
U10A
7
5
6
4
8
OPA2320AIDGKR
U10B
AGND
100nF
C25
OPA_VDD
OPA_VDD
0
R45
DNP
AGND
AVDD/2
AVDD/4
VBIAS
AINM
AVDD/2
0
R13
EVM_DVDD EVM_CAP
Figure 5-8. ADS704X-5XEVM Schematic
www.ti.com Bill of Materials, Layout, and Schematic
SBAU382 – NOVEMBER 2021
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ADS7042EVM-PDK, ADS7049-Q1EVM-PDK, and ADS7057EVM-PDK
Evaluation Module
23
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