7
dc919af
DEMO MANUAL DC919A
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
SCHEMATIC DIAGRAM
INPUT
ANALOG
INPUT
ENCODE
+3.3V
VDD
GND
VDD
OPEN
SENSE
PGA
VDD
GND
VDD
OVP
GND
SHDN
GND
VDD
VDD
GND
DITH
OGND
RAND
GND
DCIN+
40
DC919A-A
Assembly Type
DC < Ain < 70MHz
*
0.01uF
LTC2205CUK
INPUT FREQUENCY
65
LTC2204CUK
16
LTC2207CUK
VERSION TABLE
16
25
DC919A-C
DC919A-E
LTC2203CUK
DC919A-B
DC919A-F
DC919A-D
16
U1
80
16
LTC2202CUK
16
Bits
105
LTC2206CUK
MspsR33
0 OHM
0 OHM
0.01uF
0.01uF
0.01uF
DC < Ain < 70MHz
DC < Ain < 70MHz
DC < Ain < 70MHz
DC < Ain < 70MHz
DC < Ain < 70MHz 16 10
14
105
DC919A-G
LTC2207CUK-14
DC919A-H LTC2206CUK-14
0.01uF
0.01uF
DC < Ain < 70MHz
DC < Ain < 70MHz 14 80
14 65
DC919A-I
LTC2205CUK-14
DC919A-J LTC2201CUK
0.01uF
0 OHM
DC < Ain < 70MHz
DC < Ain < 70MHz 16 20
VDD
VDD
VDD
OVP
VDD
OVP
OVP
OVP
OVP
VDD
VDD
SIZE
SCALE:
CAGE CODE
DWG NO
REV
SHEET
OF
FILENAME:
TITLE
CONTRACT NO.
APPROVALS
DATE
DRAWN
CHECKED
APPROVED
ENGINEER
DESIGNER
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
7+,6&,5&8,7,635235,(7$5<72/,1($57(&+12/2*<$1'
6833/,(')2586(:,7+/,1($57(&+12/2*<3$576
/,1($57(&+12/2*<+$60$'($%(67())25772'(6,*1$
&,5&8,77+$70((76&86720(56833/,('63(&,),&$7,216
+2:(9(5,75(0$,167+(&86720(565(63216,%,/,7<72
9(5,)<3523(5$1'5(/,$%/(23(5$7,21,17+($&78$/
$33/,&$7,21&20321(1768%67,787,21$1'35,17('
&,5&8,7%2$5'/$<2870$<6,*1,),&$17/<$))(&7&,5&8,7
3(5)250$1&(255(/,$%,/,7<&217$&7/,1($5
7(&+12/2*<$33/,&$7,216(1*,1((5,1*)25$66,67$1&(
&86720(5127,&(
A
DC919A
Tuesday, April 17, 2012
1
1
June Wu 4/14/05
D. Redmayne
4/14/05
16 BIT HIGH SPEED ADC
LTC2203 FAMILY
SIZE
SCALE:
CAGE CODE
DWG NO
REV
SHEET
OF
FILENAME:
TITLE
CONTRACT NO.
APPROVALS
DATE
DRAWN
CHECKED
APPROVED
ENGINEER
DESIGNER
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
7+,6&,5&8,7,635235,(7$5<72/,1($57(&+12/2*<$1'
6833/,(')2586(:,7+/,1($57(&+12/2*<3$576
/,1($57(&+12/2*<+$60$'($%(67())25772'(6,*1$
&,5&8,77+$70((76&86720(56833/,('63(&,),&$7,216
+2:(9(5,75(0$,167+(&86720(565(63216,%,/,7<72
9(5,)<3523(5$1'5(/,$%/(23(5$7,21,17+($&78$/
$33/,&$7,21&20321(1768%67,787,21$1'35,17('
&,5&8,7%2$5'/$<2870$<6,*1,),&$17/<$))(&7&,5&8,7
3(5)250$1&(255(/,$%,/,7<&217$&7/,1($5
7(&+12/2*<$33/,&$7,216(1*,1((5,1*)25$66,67$1&(
&86720(5127,&(
A
DC919A
Tuesday, April 17, 2012
1
1
June Wu 4/14/05
D. Redmayne
4/14/05
16 BIT HIGH SPEED ADC
LTC2203 FAMILY
SIZE
SCALE:
CAGE CODE
DWG NO
REV
SHEET
OF
FILENAME:
TITLE
CONTRACT NO.
APPROVALS
DATE
DRAWN
CHECKED
APPROVED
ENGINEER
DESIGNER
TECHNOLOGY
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900
Fax: (408)434-0507
7+,6&,5&8,7,635235,(7$5<72/,1($57(&+12/2*<$1'
6833/,(')2586(:,7+/,1($57(&+12/2*<3$576
/,1($57(&+12/2*<+$60$'($%(67())25772'(6,*1$
&,5&8,77+$70((76&86720(56833/,('63(&,),&$7,216
+2:(9(5,75(0$,167+(&86720(565(63216,%,/,7<72
9(5,)<3523(5$1'5(/,$%/(23(5$7,21,17+($&78$/
$33/,&$7,21&20321(1768%67,787,21$1'35,17('
&,5&8,7%2$5'/$<2870$<6,*1,),&$17/<$))(&7&,5&8,7
3(5)250$1&(255(/,$%,/,7<&217$&7/,1($5
7(&+12/2*<$33/,&$7,216(1*,1((5,1*)25$66,67$1&(
&86720(5127,&(
A
DC919A
Tuesday, April 17, 2012
1
1
June Wu 4/14/05
D. Redmayne
4/14/05
16 BIT HIGH SPEED ADC
LTC2203 FAMILY
R31
0
R31
0
C1
0.1uF
C1
0.1uF
RN4B 33RN4B 33
R14
5.1
R14
5.1
R6
open
R6
open
C20
10uF
6.3V
C20
10uF
6.3V
U2
74VCX245BQX
U2
74VCX245BQX
T/R
1
A0
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
GND
10
B7
11
B6
12
B5
13
B4
14
B3
15
B2
16
B1
17
B0
18
OE
19
VCC
20
R2
10K
R2
10K
RN1C 33RN1C 33
C26
0.1uF
C26
0.1uF
U4
NC7SV86P5X
U4
NC7SV86P5X
1
2
4
53
R28
33
R28
33
C21
0.01uF
C21
0.01uF
U6
24LC025
U6
24LC025
A0
1
A1
2
A2
3
A3
4
SDA
5
SCL
6
WP
7
VCC
8
+ C27
100uF
6.3V
opt.
+ C27
100uF
6.3V
opt.
J2J2
C13
0.1uF
C13
0.1uF
RN2A 33RN2A 33
E1E1
U7
LT1763
U7
LT1763
OUT
1
ADJ
2
GND
3
BYP
4
SHDN
5
GND
6
GND
7
IN
8
R18
10K
R18
10K
RN3B 33RN3B 33
JP3JP3
1
2
3
R26
10
R26
10
C23
4.7uF
C23
4.7uF
R22
105K
R22
105K
R32
0
R32
0
RN3A 33RN3A 33
C19
0.1uF
C19
0.1uF
R13
open
R13
open
U3
74VCX245BQX
U3
74VCX245BQX
T/R
1
A0
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
GND
10
B7
11
B6
12
B5
13
B4
14
B3
15
B2
16
B1
17
B0
18
OE
19
VCC
20
RN2C 33RN2C 33
R25
1
R25
1
RN2D 33RN2D 33
R24
open
R24
open
C5
8.2pF
C5
8.2pF
R21
10K
R21
10K
J1
3201S-40G1
J1
3201S-40G1
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
37
37
38
38
39
39
40
40
C16
0.1uF
C16
0.1uF
JP1JP1
1
2
3
R5
33
R5
33
RN3C 33RN3C 33
C28
0.1uF
C28
0.1uF
E3E3
R8
51
R8
51
R7 1KR7 1K
C15
0.1uF
C15
0.1uF
C9
0.1uF
C9
0.1uF
R23
100K
R23
100K
R19
10K
R19
10K
RN2B 33RN2B 33
JP2JP2
1
2
3
R33
*
R33
*
OSC1
opt.
OSC1
opt.
EN
1
GND
2
Fo
3
Vdd
4
T1
ETC1-1T
T1
ETC1-1T
4
5 1
3
2
EXPOSED PAD
U1
*
EXPOSED PAD
U1
*
Sense
1
Vcm
2
Vdd
3
Vdd
4
GND
5
Ain+
6
Ain-
7
GND
8
GND/ENC+
9
GND/ENC-
10
GND
11
Vdd
12
Vdd
13
GND
15
SHDN
16
OVdd
37
D12
39
OF
43
MODE
45
RAND
46
PGA
47
GND
48
CLKOUT-
29
CLKOUT+
30
GND
49
DITH
17
D0
18
Vdd
14
D1
19
D2
20
D3
21
D4
22
OGND
23
OVdd
24
OVdd
25
D5
26
D6
27
D7
28
OGND
31
D8
32
D9
33
D10
34
D11
35
OVdd
36
OGND
38
D13
40
D14
41
D15
42
OE
44
C8
2.2uF
C8
2.2uF
R1
10K
R1
10K
RN1D 33RN1D 33
C22
1.0uF
C22
1.0uF
C25
0.1uF
C25
0.1uF
R3 1KR3 1K
C17
0.1uF
C17
0.1uF
R12
open
R12
open
E4E4
R29
1K
R29
1K
C14
0.1uF
C14
0.1uF
RN3D 33RN3D 33
C3
8.2pF
C3
8.2pF
JP4JP4
1
2
3
R27
10
R27
10
JP5JP5
1
2
3
RN4A 33RN4A 33
U5
NC7SV86P5X
U5
NC7SV86P5X
1
2
4
53
RN4D 33RN4D 33
RN1B 33RN1B 33
J3J3
RN4C 33RN4C 33
R11
open
R11
open
C18
0.1uF
C18
0.1uF
R20
10K
R20
10K
C7
8.2pF
C7
8.2pF
J4J4
JP6JP6
1
2
3
R10
5.1
R10
5.1
R17
10K
R17
10K
RN1A 33RN1A 33
R9
open
R9
open
R30
open
R30
open
C4
open
C4
open
C6 openC6 open
R4 openR4 open
C2
2.2uF
C2
2.2uF