Datasheet

LTC2389-16
37
238916f
applications inFormation
Partial Schematic of Demo Board
VREF
PD/FDL CSL OB/2CL SER_PARL
BUSY D15 D14 D13
D10/SDOUT
D12 D7 D6 D5 D8 D3 D2 D1 D4 D0
OB/2CL
SER_PARL
VREF
MODE1 MODE0
A1 A0
D9/SDIN
D11/SCLK
V+
VCMX2
VCMX2
+9V_IN
+3.3V
+3.3V
V+
VCMX2
V-
V-
VCMX2
R25
(OPT)
R25
(OPT)
JP2
AC
DC
-IN
JP2
AC
DC
-IN
1
3
2
C6
0.1uF
C6
0.1uF
C12
10uF
C12
10uF
C7 1uF C7 1uF
C30
10uF
C30
10uF
U1A LTC2389-16
MODE0
4
MODE1
5
OB/2CL
6
A0
7
A1
8
D0
9
D1
10
D2
11
D3
12
D4
13
D5
14
D6
15
D7
16
D8
21
D9/SDIN
22
D10/SDOUT
23
D11/SCLK
24
D12
25
D13
26
D14
27
D15
28
BUSY
29
PD/FDL
30
CSL
31
RESET
32
PD
33
CNVSTL
34
REFOUT
37
REFIN
38
REFSENSE
39
-IN
42
+IN
43
VCM
36
R12
(OPT)
R12
(OPT)
R26
1K
0402
R26
1K
0402
C34
1uF
C34
1uF
U5 LTC6655BHMS8-4.096 U5 LTC6655BHMS8-4.096
SHDN
1
VIN
2
GND
3
GND
4
GND
5
VOUT_S
6
VOUT_F
7
GND
8
C10
10uF
C10
10uF
R10
(OPT)
0402
R10
(OPT)
0402
C19
1000pF
0805 C19
1000pF
0805
R16
10
R16
10
R20
0 Ohm
R20
0 Ohm
C32 (OPT) C32 (OPT)
C22
10uF
6.3V C22
10uF
6.3V
C29
1uF
C29
1uF
J3
AIN-
0V - 4.096V
J3
AIN-
0V - 4.096V
R7 (OPT)
0402
R7 (OPT)
0402
C33 (OPT) C33 (OPT)
R30 402
1%
R30 402
1%
C21
1uF
C21
1uF
J2
AIN+
0V - 4.096V
J2
AIN+
0V - 4.096V
R34
300 0402
R34
300 0402
R31
(OPT)
R31
(OPT)
R38
300
0402
R38
300
0402
C16 (OPT) C16 (OPT)
C18
(OPT)
C18
(OPT)
R24
1K
0402
R24
1K
0402
R41
0 Ohm
R41
0 Ohm
R28 10K
0402
R28 10K
0402
R11 (OPT) R11 (OPT)
JP1
AC
DC
+IN
JP1
AC
DC
+IN
1
3
2
R40 (OPT) R40 (OPT)
ON
SW1
219-4MST
CTS Electronic Components
ON
SW1
219-4MST
CTS Electronic Components
1 2 3 4
8 7 6 5
R36
10K
0402
R36
10K
0402
C17 ( OPT) C17 ( OPT)
C20
0.1uF
0402
C20
0.1uF
0402
+IN
-IN
OUT
U7A LT6201IS8
+IN
-IN
OUT
U7A LT6201IS8
3 2
1
4 8
C9
1uF
0805
C9
1uF
0805
C14
(OPT)
0805
C14
(OPT)
0805
C24
(OPT)
C24
(OPT)
R42
(OPT)
R42
(OPT)
C8
(OPT)
0805
C8
(OPT)
0805
R21
49.9
0402
R21
49.9
0402
JP3
EXT
INT
CM
JP3
EXT
INT
CM
1 3 2
R19
(OPT)
R19
(OPT)
C23
10uF
C23
10uF
R15
0 Ohm
R15
0 Ohm
C25
330pF
C25
330pF
R18
(OPT)
R18
(OPT)
C31
10uF
C31
10uF
E1
VREF
E1
VREF
C28
0.1uF
0402
C28
0.1uF
0402
R33
300 0402
R33
300 0402
R29 402
1%
R29 402
1%
R37
75
R37
75
E2
EXT_CM
E2
EXT_CM
R17
49.9
0402
R17
49.9
0402
R22
(OPT)
R22
(OPT)
R27 10 R27 10
R14
0 Ohm
R14
0 Ohm
R32
10K
0402
R32
10K
0402
C27
1uF
C27
1uF
C11
1000pF
0805 C11
1000pF
0805
C15
( OPT)
C15
( OPT)
R35
300 0402
R35
300 0402
R13 (OPT) R13 (OPT)
OUT
+IN
-IN
U7B
LT6201IS8
OUT
+IN
-IN
U7B
LT6201IS8
5 6
7
C26 330pF C26 330pF
R23 (OPT) R23 (OPT)
R9
(OPT)
0402
R9
(OPT)
0402
R8 0 Ohm 0402 R8 0 Ohm 0402
R39
10K
0402 R39
10K
0402
C13
(OPT)
C13
(OPT)
TP2
BUSY
TP2
BUSY
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
U2
NC7SVU04P5X
U2
NC7SVU04P5X
4 2
5 3
C4
0.1uF
C4
0.1uF
R6
49.9 1% 1206
R6
49.9 1% 1206
J1
CLK
100MHz MAX
3.3VPP
J1
CLK
100MHz MAX
3.3VPP
C5
0.1uF
C5
0.1uF
R3
33
R3
33
R1
33
R1
33
C3
0.1uF
C3
0.1uF
R4
1K
R4
1K
R2
1K
R2
1K
TP1
CNVSTL
TP1
CNVSTL
U4 NC7SVU04P5X U4 NC7SVU04P5X
42
5 3
R5
33
0402
R5
33
0402
C1
0.1uF
C1
0.1uF
C2
0.1uF
C2
0.1uF
U3 NC7SZ04P5X U3 NC7SZ04P5X
42
5 3
U6
NL17SZ74USG
U6
NL17SZ74USG
D
2
CP
1
Q
5
Q
3
VCC
8
PR
7
GND
4
CLR
6
CLK TO CPLD
CNVST_33 FROM CPLD
+3.3V
C35
0.1uF
0402
R43
0 Ohm
OVDD
18
VDD
19
VDD
3
VDD
47
VDD
46
VDD
45
VDD
40
VDD
2
GND
17
GND
1
GND
20
GND
35
GND
41
GND
44
GND
48
+5V
C42 0.1uF 0402
C41
10uF
C40 0.1uF 0402 C40 0.1uF 0402
C39 0.1uF 0402 C39 0.1uF 0402
C43 0.1uF 0402 C43 0.1uF 0402
C36
10uF
C36
10uF
C38 0.1uF 0402 C38 0.1uF 0402
C37 0.1uF 0402 C37 0.1uF 0402
U1B LTC2389-16