LTC2234I Просмотр технического описания (PDF) - Linear Technology
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производитель
LTC2234I Datasheet PDF : 24 Pages
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LTC2234
APPLICATIO S I FOR ATIO
Evaluation Circuit Schematic of the LTC2234
VCC
CLOCKOUT JP1
VCC
CLOCKOUT
R19
OPT
ANALOG
INPUT J1
C1
0.1µF
T1*
R1*
R2
24.9Ω
C2*
C3
0.1µF
VCM
R5
50Ω
R4
24.9Ω
R6*
C4
0.1µF
C5
1µF
C7
2.2µF
C8
1µF
VDD
VDD
C6
0.1µF
C9
0.1µF
CLK
C10
0.1µF
SHDN CLK
C12 JP2
0.1µF
C13
0.1µF
C11
33pF
C15
2.2µF
1 U1 LTC2234* 20
AIN+ CLOCKOUT
2
AIN–
21
NC
3
REFHA
24
NC
4
REFHA
25
D0
13
GND
26
D1
15
GND
29
D2
5
REFLB
30
D3
6
REFLB
31
D4
7
REFHB
34
D5
8
REFHB
35
D6
9
REFLA
36
D7
10
REFLA
39
D8
46
VDD
40
D9
47
VDD
41
OF
11
VDD
12
VDD
14
VDD
16 ENC+
17 ENC–
37
OVDD
33
OVDD
28
OVDD
23
OVDD
38
OGND
18
SHDN
32
OGND
19
OEL
27
OGND
44
VCM
22
OGND
43
SENSE
48
GND
42
MODE
45
GND
JP3
JP4
SENSE
MODE
VDD
VDD
VDD
VDD
R12
VCM
1k
2/3VDD
VCM
EXT
R13
REF
1k
1/3VDD
EXT
REF
C24
R14
1k
GND
0.1µF
GND
49
C21
0.1µF
C20
0.1µF
C22
0.1µF
C19
0.1µF
VCC
R17
C27 105k
10µF
6.3V R18
100k
U6 LT1763
1
2
3
4
OUT IN
ADJ GND
GND GND
BYP SHDN
8
7
6
5
VDD
C23
J3 0.1µF
ENCODE
INPUT
C18
0.1µF
T2
ETC1-1T
R16
100Ω
C28
C34
0.01µF
1µF
34 GND
U3
28
GND
45 GND
VCC 39 GND
42 VCC
31
VCC
21
GND
15
GND
25 2LE
48 1LE
18
VCC
10
GND
24 2OE
4
GND
1 1OE
47 1D1
7
VCC
2
1Q1
46 1D2
44 1D3
43 1D4
41 1D5
40 1D6
38 1D7
37 1D8
36 2D1
35 2D2
33 2D3
32 2D4
30 2D5
29 2D6
27 2D7
26 2D8
3
1Q2
5
1Q3
6
1Q4
8
1Q5
9
1Q6
11
1Q7
12
1Q8
13
2Q1
14
2Q2
16
2Q3
17
2Q4
19
2Q5
20
2Q6
22
2Q7
23
2Q8
RN1D 33Ω
RN1C 33Ω
RN1B 33Ω
RN1A 33Ω
RN2D 33Ω
RN2C 33Ω
RN2B 33Ω
RN2A 33Ω
RN3D 33Ω
RN3C 33Ω
RN3B 33Ω
RN3A 33Ω
PI74VCX16373A
1
2
C33
0.1µF
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
VCC
NC7SV86P5X 5 1
4 U5 2
3
C16
0.1µF
C17
0.1µF
1
2
3
4
A0
A1
A2
A3
U4 VCC
WP
SCL
SDA
8
7
6
5
24LC025
5 NC7SV86P5X
4
U2
R3
3
33Ω
R10 R9 R8
10k 10k 10k
39
40
37
38
35
36
33
34
31
32
29
30
27
28
25
26
23
24
21
22
19
20
17
18
15
16
13
14
11
12
9
10
7
8
5
6
3
4
1
2
3201S-40G1
2234 AI01
VDD
VCC
GND
VDD
C25 3.3V
C29
C30
C31
C32
4.7µF
PWR
0.1µF
0.1µF
0.1µF
0.1µF
GND
VCC
CLK
R15
100Ω
CLK
C26
0.1µF
Assembly Type
DC751A-I
DC751A-J
DC751A-K
DC751A-L
*Version Type
U1
LTC2224IUK
LTC2234IUK
LTC2224IUK
LTC2234IUK
R1, R6
24.9Ω
24.9Ω
12.4Ω
12.4Ω
C2
12pF
12pF
8.2pF
8.2pF
T1
ETC1-1T
ETC1-1T
ETC1-1-13
ETC1-1-13
2234fa
21
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