Datasheet

AD9271
Rev. B | Page 45 of 60
06304-086
SCHEMATICS AND ARTWORK
AIN CHB AIN CHA AIN CHC
AIN CHD
6
14
25
3
T10 4
ADT1-1WT +
3
52
41 6
ADT1-1WT +
T10 2
3
52
41 6
ADT1-1WT +
T10 3
6
14
25
3
T10 1
ADT1-1WT +
R12 2 0-DN P
0-DN P R11 3R15 0
0-DN P R10 4 0-DN P
CT D
CT C
CT B
CTA
R16 0 49.9
C11 5
0.1UF
0.1UF
C12 4
R12 1 0
C10 6 22PF 0.1UF-DN P
C10 8
22PF C10 2 C10 4
0.1UF-DN P
C12 0
0.1UF-DN P
0.1UF-DN P
C11 9
C11 8
0.1UF-DN P
0.1UF-DN P
C11 7
GND D
GND A
J10 1
R12 8 49.9-DN P
49.9-DN P R11 9
49.9-DN P R11 0
R10 1 49.9-DN P
LGA LI A LOSW A LO- A
0
R10 5
R10 8
200
R10 7
1K-DN P
C10 3
0.1UF
0-DN P
R15 4
0-DN P R10 9R1 0 6
0
0 R13 0
R10 2
0
R14 9 0
AVD D
10K-DN P R14 2 R14 1 10K-DN P
49.9 R15 8
CT A
0 R13 7
R13 2
0
0.1UF
C12 1 C10 1
0.1UF
0.1UF
C10 5 C12 2
0.1UF
0
R16 2
R11 2 0
GND B
J10 2
CT B
R15 9 49.9
10K-DN P R14 3 R14 4 10K-DN P
AVD D
0 R13 8
0
R11 1
R15 1 0
0 R11 5 R11 8
0-DN P
R15 5
0-DN P
0.1UF
C10 7
1K-DN P
R11 6
200
R11 7
R11 4
0
LO- B LOSW B LI B LGB LGD
LI D LOSW D LO- D
0
R12 3
R13 5
200
R13 4
1K-DN P
0-DN P
R15 7
0-DNP R13 6R13 3
0
0 R15 3
R12 9
0
R14 0 0
AVD D
10K-DN P R14 8 R14 7 10K-DN P
49.9 R16 1
CT D
J10 4
0 R13 1
R16 4
0
C11 3
0.1UF
0.1UF
C10 9 C12 3
0.1UF
0
R16 3
GND C
J10 3
CT C
10K-DN P R14 5 R14 6 10K-DN P
AVD D
0 R13 9
0
R10 3
R15 2 0
0 R124 R127
0-DN P
R15 6
0-DN P
0.1UF
C11 1
1K-DN P
R12 5
200
R12 6
R12 0
0
LO- C LOSW C LI C LG C
C11 2 0.1UF-DN P22PF
C11 0
C11 4 22PF 0.1UF-DN P
C11 6
Figure 75. Evaluation Board Schematic, DUT Analog Input Circuits