Analog Devices AD5758, User Manual

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EVAL-AD5758 User Guide UG-1268
Rev. 0 | Page 13 of 20
EVALUATION BOARD SCHEMATICS AND ARTWORK
OPTIONAL RC FILTER ON REFOUT
C_DCDC - SURFACE MT & THROUGH-HOLE OPTIONS
TESTPOINTS:
IF = 2MA
PLACE SMD & THROUGH-HOLE OPTIONS
THROUGH-HOLE C_COMP IN GOLD PINS
USE FOOTPRINT THAT CAN ACCOMMODATE 120/0805/0603 ON C21
OPTION TO DRIVE VDPC+ WITH AVDD1 (BYPASS POSITIVE DC-DC)
WHITE = GROUND
RED = POWER
BLACK = SIGNAL
VF = 1.8V
TH RSET = +/1% TOL, +/-50PPM/DEGC
SMD RSET = +/-0.1% TOL, +/-25PPM/DEGC
13.7K
1/10W
1/4W
69157-102
GND
REFGND
GND
13.7K
0.1
1
2.2UF
1727010
220PF
100V
0.1UF
50V
C0402H22
GND
50V
32QH50A15050
GND
DNI
DNI
DNI
DNI
2.2UF
4.7UF
C0402H22
GND
GND
1K
500
2.2UF
R0603
TLMS1000GS08
C0402H22
50V
0.1UF
C0402H22
50V
0.1UF
2.2UF
C0402H22
47UH
4.7UF 50V
0.1UF
REFGND
GND
0.1UF
REGOUT_
C18
C16
C21
VDPC+
JP6
C17 C14
R8
C19
R6
C10
CLKOUT
C15
C12
R9
C23
L2
REGOUT
DS1
R5
C20
AD5758
C13
VLOGIC
C_HART
+VSENSE
-VSENSE
A
V
DD1
AVSS
SDI
VI_OUT
AV
SS
VLDO
NI
C
/SYNC
VI
O
U
T_I
N
T
SDO
SCLK
RA
CCOMP
/FAULT
SW+
VDPC+
/LDAC
/RESET
CLKOUT
ADO
AD1
REFIN
REFOUT
REFOUT_DUT
AVDD2
RB
VLOGIC
1
1
12
1
1 2
C
A
1 2 3
4
5
6
7
9
10
11
12
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31 32
PA
D
13
8
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN IN IN
IN
IN
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
GND
GND
GND
16710
-013
Figure 17. AD5758 Schematic