Texas Instruments AMC7834, Руководство пользователя, Страница: 23 / 32

A
D
C
1
4
8
AVCC
14
A
D
C
4
4
5
A
G
N
D
1
1
7
REF_ADC/CMP
42
R
E
F
_
IN
2
0
39
D
A
C
1
2
3
A
V
D
D
1
2
6
VCLAMP2
29
32
AGND3
35
A
U
X
D
A
C
1
1
5
A
U
X
D
A
C
2
1
6
A
D
C
3
4
6
A
D
C
2
4
7
A
G
N
D
4
4
3
A
V
D
D
2
4
4
R
E
F
_
O
U
T
2
1
A
G
N
D
2
2
2
PA_ON
40
PAVDD
41
37
SENSE1-
38
A
V
S
S
2
5
D
A
C
4
2
8
SENSE4-
31
VCLAMP1
30
34
SENSE2-
36
D
A
C
3
2
7
SENSE3-
33
DGND
11
CS
8
RESET
5
ALARMOUT
2
DVDD
13
A
U
X
D
A
C
3
1
8
A
U
X
D
A
C
4
1
9
D
A
C
2
2
4
IOVDD
12
SDI
9
DACTRIG
6
SCLK
7
SLEEP1
3
DIGTEST
1
SDO
10
SLEEP2
4
D
2
-
4
9
D
2
+
5
0
D
1
-
5
1
D
1
+
5
2
G
P
IO
4
5
3
G
P
IO
3
5
4
G
P
IO
2
5
5
G
P
IO
1
5
6
P
A
D
AMC7834IRTQ
U1
C19
NI
0 R24
C20
NI
0 R25
C21
NI
0 R26
C22
NI
0 R27
0 R8
C1
NI
3
1
2
MMBT3904
Q1
3
1
2
MMBT3906
Q2
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15
17
19
16
18
20
J6
SCL
GPIO0
SDA
INT
SDI
VDUT
ALARMOUT
SLEEP1
SLEEP2
RESET
DACTRIG
TOUT
1000pF
C5
1000pF
C6
GPIO1
GPIO2
GPIO3
GPIO4
GND GND
C15
NI
C16
NI
0 R18
0 R19
C17
NI
C18
NI
0 R22
0 R23
GND
GND
C14 NI
GND
GND
GND
SDI
GND
ALARMOUT
SLEEP1
SLEEP2
RESET
DACTRIG
ALARMOUT
SLEEP1 SLEEP2
RESET DACTRIG
SCLK
CS
SDO
SDI
SCLK CS
SDO
GND
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15
17
19
16
18
20
J5
GND
GND
1
2
3
JP5
1
2
3
JP3
1
2
3
JP4
1
2
3
JP2
0 R7
0 R5
0 R3
C2
NI
C3
NI
C4
NI
1
2
3
JP9
1
2
3
JP8
GND GND
1 2
J1
1 2
J2
REF_IN
REF_OUT
REF_IN
REF_OUT
REF_ADC/CMP
REF_ADC/CMP
GND
GND GND
C10
0.1uF
GND
C11
0.1uF
VDD
VCC
VDD
C12
0.1uF
VSS
GND
C13
0.1uF
GND
GND
VDD
C7
0.1uF
IOVDD
C9
0.1uF
V
D
D
VD
D
100k
R20
100k
R21
4.7μF
C8
VCLAMP2
VCLAMP1
SENSE4-
SENSE3-
SENSE2-
SENSE1-
ADC1
ADC2
ADC3
ADC4
1
2
3
JP1
GND
1
2
3
JP7
VDD
0 R1
0 R2
0 R4
0 R6
1
2
3
JP10
10.0k
R9
10.0k
R10
10.0k
R11
10.0k
R12
10.0k
R13
10.0k
R14
10.0k
R15
IOVDD
IOVDD
2.5V REF
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15
17
19
21
23
25
27
29
31 16
18
20
22
24
26
28
30
32
J3
PA_ON
PAVDD_EX
PA_ON
PAVDD_EX
1 2
JP6
REF_ADC/CMP 2.5V REF
VSS
DIGTEST
DIGTEST
VDUT
274k
R16
274k
R17
1
3
5
6
4
2
7
9
10
8
12 11
14 13
16 15
18 17
20 19
J4
SD Mini Dig
10.0k
R57
TP1
www.ti.com
AMC7834EVM Documentation
23 SLAU608B – December 2014 – Revised May 2016
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Copyright © 2014–2016, Texas Instruments Incorporated
AMC7834 Evaluation Module
6 AMC7834EVM Documentation
This section contains the schematic diagrams and complete BOM for the AMC7834EVM. Documentation information for the SDM-USB-DIG
platform can be found in the
SDM-USB-DIG Platform User’s Guide ( SBOU136 ), available at the TI website at www.ti.com .
6.1 AMC7834EVM Board Schematic
Figure 30 and Figure 31 illustrate the EVM schematic.
Figure 30. AMC7834EVM Schematic (1 of 2)