AGND
1.10k
R18
AGND
AGND
DNI
R13
AGND
BUS+
BUS-
BUS+
AGND
AGND
AGND
AGND
AGND
AGND
1
3
4
2
G
G
8 MHz
Y1
406I35D08M00000
AGND
AGND
TO/FROM Application
BUS +
BUS -
Receiver Filter
AGND
2.2µF
C5
20.0k
R6
0
R8
4.02
R16
8.25k
R15
0.22µF
C21
0.22µF
C22
DNI
R10
DNI
D1
J2
AGND
External CLK
AGND
1000pF
C3
0.1µF
C4
1000pF
C6
2200pF
C10
DNI
C12
220pF
C18
390pF
C16
470pF
C25
470pF
C24
33pF
C27
0.047µF
C23
0.022µF
C26
1000pF
C29
1000pF
C30
150pF
C28
0.022µF
C32
332k
R27
DNI
C2
VCCIO
RESET
CLKOUT
IRQ
DS1
DS2
RESET
CLKOUT
VCCIO
DS2
DS1
VinL
Q4
Q1
DNI
Q3
DNI
V_DIG
100k
R7
100k
R11
DNI
R1
0
R2
DAC8730_MOSI
DAC8730_CS
DAC8730_TX
DAC8730_RX
DAC8730_SCLK
DAC8730_SCLK
DAC8730_MISO
DAC8730_MISO
DAC8730_CS
DAC8730_MOSI
DAC8730_RX
DAC8730_TX
IRQ
V_DIG
TP3
TP5
TP1
AGND
TP2
TP4
~
3
+
1
~
4
-
2
D4
600 ohm
FB1
600 ohm
FB2
0.01µF
C31
BUS+
BUS-
TP6
VCCIO
0.47µF
C8
2.2µF
C1
2.2µF
C11
100k
R12
402k
R14
10µF
C13
10µF
C14
5.1k
R17
30k
R19
10.0
0.1%
R20
33.0k
0.1%
R21
33.0k
0.1%
R22
100k
0.1%
R23
100k
0.1%
R24
200k
R25
49.9k
R26
33k
R28
33k
R29
37.4k
R30
AGND
2.2µF
C15
VinL
AGND
0.1µF
C19
0.01µF
C20
100uH
L1
1
3
2
D2
BAT54A-7-F
DNI
R5
0
R3
0
R4
SCLK
29
OUT_OPA
1
SLEW2
56
UART_TX
27
CAP3
10
NC
13
BF_INP1
46
BF_OUT2
49
CAP5
52
SLEW1
55
GND
4
CAP1
7
VEE
16
VSHUNT_CFG
19
DCDC_FB
22
GND
25
CS
32
VCCIO
35
XTAL2
38
VCCIO_CFG1
41
CAP2
9
GND
12
REG_IN
45
BF_INN2
48
VPP
51
MOD_IN
54
+IN_OPA
3
VREF_OUT
6
MODE_SEL
15
VSHUNT
18
DCDC_SW
21
CAP4
24
SDI
31
CLK_OUT
34
VDIG
37
RES_EN
40
NC
8
GND
11
DRIVER1
44
BF_OUT1
47
BF_CMP_IN
50
MOD_OUT
53
-IN_OPA
2
PWM_OUT
5
NC
14
STARTUP
17
DCDC_IN
20
GND
23
SDO
30
RESET
33
REG_IN
36
XTAL1
39
GND
57
UART_RX
28
IRQ
26
VCCIO_CFG2
42
DRIVER2
43
U1
DAC8730RSHR
Q2
2
1
3
JP1
2
1
3
JP2
2
1
3
JP3
100pF
C17
36V
D3
CDSOD323-T36SC
DNI
R9
18pF
C7
18pF
C9
VinL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
J1
TSM-108-01-L-DV
VSHUNT
VSHUNT
AGND
Copyright © 2017, Texas Instruments Incorporated
BOOST-DAC8730-HART Documentation
13
SLAU699 – May 2017
Copyright © 2017, Texas Instruments Incorporated
BOOST-DAC8730-HART Evaluation Module
6
BOOST-DAC8730-HART Documentation
This section contains the complete bill of materials and schematic diagram for the BOOST-DAC8730-HART. Documentation information for the
SDM-USB-DIG platform is found in the
SDM-USB-DIG Platform User’s Guide
(
), available from the TI web site at
.
6.1
BOOST-DAC8730-HART Board Schematic
illustrates the BOOST-DAC8730-HART schematic.
Figure 13. BOOST-DAC8730-HART Board Schematic