Datasheet

AD9248
Rev. B | Page 25 of 48
LQFP EVALUATION BOARD SCHEMATICS
B
TP8
BLK
TP2
BLK
AVDDIN
AVDD
RED
TP1
10μH
L2
DUTAVDDIN
TB1
DUTAVDD
TP3
RED
10μH
L1
BLK
TP4 RED
TP5
10μHL4
DVDDIN
AGND
TB1
AGND
DRVDDIN
TB1 TB1 TB1
DVDD
DUTDRVDD
TP7
RED
BLK
TP6
10μH
L3
R2
33Ω
AGND;7 AVDD;14
U8
12
U8
AGND;7 AVDD;14
10
U8
8
JP26
3
2
WHT TP16
74VHC04 74VHC04 74VHC04
B
13 11 9
JP25
2
13
R1
33Ω
JP24
R54
0Ω
TP17 WHT
CLKAO
U9
AGND;7 AVDD;14
12
AGND;7 AVDD;14
U9
10
74VHC04 74VHC04
U9
AGND;7 AVDD;14
9
74VHC04
U9
AGND;7 AVDD;14
3
AGND;7 AVDD;14
U9
6
AGND;7 AVDD;14
U9
2
1
74VHC04 74VHC04 74VHC04
R53
49.9Ω
S6
R32 10kΩ
R42 500Ω
C84
0.1μF
CLKA
CW
CW
R31 10kΩ
AVDD
R34 500Ω
R35
500Ω
C77
0.1μF
R52 49.9Ω
C73 10μF 6.3V
S5
C79 0.1μF
CLKB
AVDD
C74 10μF 6.3V
C80 0.1μF
U8
AGND;7 AVDD;14
5
AGND;7 AVDD;14
U8
43
U8
AGND;7 AVDD;14
74VHC04 74VHC04 74VHC04
AGND;7 AVDD;14
1
DATACLKB
13 11
AVDD
R33
500Ω
DUTCLKA
5
DATACLKA
DUTCLKB
C42
22μF
25V
C46
0.1μF
C41
22μF
25V
C45
0.1μF
C44
22μF
25V
C48
0.1μF
C43
22μF
F25V
C47
0.1μF
R55
0Ω
8
4
A
A
1
2
1
2
3
TB1
5
4
6
6
04446-039
Figure 40. Evaluation Board Schematic