LTC1608AIG View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1608AIG' PDF : 20 Pages View PDF
LTC1608
APPLICATIO S I FOR ATIO
E5
3V
R6 JP1
E1
10Ω
E2
–5V
OVDD
C28
22µF
5V + C13
+ C12
22µF
22µF
C7 E6
1µF GND 5V
E3
VREF
C11
AIN+
2.2µF AIN–
U1 LTC1608
1 AIN+
AVDD1 36 5V
R3
10Ω
C6
1µF
2 AIN–
35
AVDD2
3
34
C5 1µF
VREF
VSS
C10 22µF 4
33
REFCOMP SHDN
5
32
AGND
CS
6
31
AGND CONV
7
30
C9 5V
AGND
8
RD
29
1µF
AGND
OVDD
E4
GND
9
DVDD
10
28
OGND
27
C4 1µF
DGND BUSY
11
26
D15
D0
12
25
D14
D1
13
24
D13
D2
14
23
D12
D3
15
22
D11
D4
16
21
D10
D5
17
20
D9
D6
18
19
D8
D7
R5
10k
OVDD
5V
C21
0.1µF
C27
100pF
R7
J3
AIN+
50Ω
3+
8
R17
C14
U4A
1
10k
1000pF 2
LT1469
–4
C20
0.1µF
R11 R13
50Ω 50Ω
C17
–5V
C25
10pF
100pF
R8 402Ω
C15 10pF
C18
10pF R15 C16 10pF
100Ω
C24
100pF
OVDD
U5
TC7SH08FUTE85L
C8
0.1µF
JP3 R4 10k
R2
10k
AIN+
(U1-1)
U2 MC74HC574ADT
1
OE
2
D0
20
VCC
19
Q0
3
18
D1 Q1
4
17
D2 Q2
5
16
D3 Q3
6
15
D4 Q4
7
14
D5 Q5
8
13
D6 Q6
9
12
D7 Q7
10
11
GND CLK
C3 0.1µF
OVDD
U3 74HC574
1
OE
2
D0
20
VCC
19
Q0
3
18
D1 Q1
4
17
D2 Q2
5
16
D3 Q3
6
15
D4 Q4
7
14
D5 Q5
8
13
D6 Q6
9
12
D7 Q7
10
11
GND CLK
R1
51k
OVDD
J2
CONVERT
START
C1
0.1µF
E7
GND
J1
CONN20
1
3
5
CLK
MSB
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
LSB
39
OVDD
JP2
U6
TC7SH04F
C26
1000pF
R9
6–
402Ω
R12 R14
R10
U4B
7
50Ω 50Ω
AIN–
J4
AIN–
50Ω
5
LT1469
+
R16
C19
C22
100pF
C23
100pF
(U1-2)
10k
1000pF
Figure 17a. LTC1608 Suggested Evaluation Circuit Schematic
16
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