ltc2222cuk-trpbf Linear Technology Corporation, ltc2222cuk-trpbf Datasheet - Page 25

• Manufacturer Part Number: ltc2222cuk-trpbf
• Description: Ltc2223 - 12-bit, 80msps Adcs
• Manufacturer: Linear Technology Corporation

APPLICATIO S I FOR ATIO
ANALOG
INPUT
V
V
C27
10µF
6.3V
V
V
EXT
REF
CM
DD
CM
DD
C10
0.1µF
R19
OPT
C7
2.2µF
R17
105k
R18
100k
J1
V
V
DD
SENSE
CC
V
V
EXT
REF
JP3
0.1µF
0.1µF
CM
DD
0.1µF
C1
C12
0.1µF
C3
R5
50
(2.5V)
C22
0.01µF
C28
T1*
SHDN
GND
V
C13
0.1µF
C5
1µF
C8
1µF
1
2
3
4
R12
R13
R14
DD
U6
1k
1k
1k
OUT
ADJ
GND
BYP
V
LT1763
DD
JP2
C4
0.1µF
CLK
CLK
U
SHDN
GND
GND
IN
2/3V
1/3V
R2
24.9
R4
24.9
MODE
GND
V
JP4
DD
8
7
6
5
DD
DD
R1*
R6*
C11
33pF
U
C6
0.1µF
C9
0.1µF
C15
2.2µF
V
DD
0.1µF
C34
1µF
ENCODE
C24
C2*
INPUT
13
15
10
46
47
11
12
14
16
17
18
19
44
43
42
1
2
3
4
5
6
7
8
9
U1
J3
W
A
A
REFHA
REFHA
GND
GND
REFLB
REFLB
REFHB
REFHB
REFLA
REFLA
V
V
V
V
V
ENC
ENC
SHDN
OEL
V
SENSE
MODE
IN
IN
DD
DD
DD
DD
DD
CM
+
–
+
–
0.1µF
C23
LTC2222*
GND
Evaluation Circuit Schematic of the LTC2222
49
CLKOUT
R16
100Ω
OGND
OGND
OGND
OGND
OV
OV
OV
OV
GND
GND
D10
D11
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
OF
DD
DD
DD
DD
ETC1-1T
0.1µF
0.1µF
0.1µF
0.1µF
T2
U
20
21
24
25
26
29
30
31
34
35
36
39
40
41
37
33
28
23
38
32
27
22
48
45
C21
C20
C19
C18
C26
0.1µF
V
CC
R15
100Ω
V
CLK
CLK
CC
NC7SV86P5X
34
45
39
42
25
48
24
47
46
44
43
41
40
38
37
36
35
33
32
30
29
27
26
1
U3
Assembly Type
DC751A-A
DC751A-B
DC751A-C
DC751A-D
DC751A-E
DC751A-F
DC751A-G
DC751A-H
*Version Type
GND
GND
GND
V
2LE
1LE
2OE
1OE
1D1
1D2
1D3
1D4
1D5
1D6
1D7
1D8
2D1
2D2
2D3
2D4
2D5
2D6
2D7
2D8
CC
PI74VCX16373A
4
U5
V
CC
3
5
GND
GND
GND
GND
GND
GND
1
2
1Q1
1Q2
1Q3
1Q4
1Q5
1Q6
1Q7
1Q8
2Q1
2Q2
2Q3
2Q4
2Q5
2Q6
2Q7
2Q8
V
V
V
CC
CC
CC
C16
0.1µF
28
31
21
15
18
10
4
7
2
3
5
6
8
9
11
12
13
14
16
17
19
20
22
23
V
V
CC
DD
RN1D 33Ω
RN1C 33Ω
RN1B 33Ω
RN1A 33Ω
RN2D 33Ω
RN2C 33Ω
RN2B 33Ω
RN2A 33Ω
RN3D 33Ω
RN3C 33Ω
RN3B 33Ω
RN3A 33Ω
LTC2222
LTC2223
LTC2232
LTC2233
LTC2222
LTC2223
LTC2232
LTC2233
CLKOUT
C25
4.7µF
U1
V
3.3V
PWR
GND
DD
LTC2222/LTC2223
JP1
1
2
3
4
U4
D10
D11
A0
A1
A2
A3
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
24LC025
V
0.1µF
CC
C33
C29
0.1µF
SDA
SCL
V
WP
R1, R6
CLKOUT
C17
0.1µF
24.9Ω
24.9Ω
24.9Ω
24.9Ω
12.4Ω
12.4Ω
12.4Ω
12.4Ω
CC
8
7
6
5
1
2
U2
V
C30
0.1µF
CC
R10
10k
5
3
NC7SV86P5X
4
R9
10k
33Ω
R3
8.2pF
8.2pF
8.2pF
8.2pF
C31
0.1µF
12pF
12pF
12pF
12pF
C2
R8
10k
39
37
35
33
31
29
27
25
23
21
19
17
15
13
11
9
7
5
3
1
C32
0.1µF
3201S-40G1
ETC1-1-13
ETC1-1-13
ETC1-1-13
ETC1-1-13
ETC1-1T
ETC1-1T
ETC1-1T
ETC1-1T
25
T1
22223fa
40
38
36
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2