Texas Instruments ADS9224REVM-PDK, Руководство пользователя, Страница: 27 / 34

GND
G
re
e
n
APT2012LZGCK
D1
10.0k
LDO_IN_5V5
R68
0
EVM_REG_5V5
R58
LDO_IN_5V5
GND
0 R62
R65 0
0 R66
0
DNP
R67
DNP
GND
GND
GND
GND
0.1
R60
TP20
DVDD
TP17
GND
COMPONENTS MARKED 'DNP' SHOULD NOT BE POPULATED.
LDO_IN_5V5
TP18 TP19
1
A0
2
A1
A2
3
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
U6
BR24G32FVT-3AGE2
WP
EVM_ID_PWR
GND
10.0k
EVM_ID_PWR
R55
EVM_ID_PWR
0.1uF
C35
GND
0.1uF
C36
GND
EVM_ID_SCL
Positive Supply
EVM_ID_SDA
EEPROM
Power
0 R64
0
DNP
R63
DNP
WP
GND
10µF
C30
47uF
C33
conn J1
Connected pg 1,
Origin pg 1, conn J1
Origin Positive
Supply section
Origin pg 1, conn J1
Origin pg 1, conn J1
GND
Origins pg 1, conn J1
1uF
DNP C32
GND
1.00k
R59
DNP
GND
REF_IN
REFERENCE (Not populated for ADS9224R variant):
1
OUT
NC
2
3
SENSE
4
6P4V2
5
6P4V1
6
3P2V
7
GND
8
1P6V
9
0P8V
10
0P4V
11
0P2V
0P1V
12
EN
13
NR
14
IN
15
IN
16
NC
17
NC
18
NC
19
OUT
20
PAD
21
U4
JP5
TPS7A4700RGWR
0
P
.22
R61
DN
GND
VA
VA
VA
2
VIN
REF5025AIDGKR
3
TEMP GND
4
5
TRIM/NR
6
VOUT
U5A
DNP
DNC
1
NC
7
REF5025AIDGKR
DNC
8
U5B
DNP
10µF
DNP C34
1µF
C31
CF+
1
5
LM7705MM/NOPB
VSS
6
VOUT
7
CRES
CF-
8
4
VDD
SD
3
2
VSS
U8
10µF
C47
GND
GND
0
R74
4.7µF
EVM_REG_5V5
C43
JP7
GND
10.0k
R71
4.7µF
EVM_REG_5V5
C46
GND
0
R72
22µF
C44
GND
0.47uF
C45
TP21
1
2 3
JP8
VS-
GND
FDA NEGATIVE SUPPLY
D3
1N4148WT
D2
1N4148WT
GND
0
R75
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ADS9224REVM Bill of Materials, PCB Layout, and Schematics
27 SBAU315A – July 2018 – Revised June 2019
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ADS9224REVM-PDK
Figure 21. ADS9224REVM Schematic Diagram 2