Datasheet

AD9248
Rev. B | Page 27 of 48
DUTAVDD
AVDD
AVDD
R36 10kΩ
JP6
R41
5kΩ
R51 5kΩ
AVDD
C1
10μF
6.3V
AVDD
R44 5kΩ
C34
10μF
6.3V
VIN+_B
VIN–_B
VIN–_A
OTRA DA13 DA12 DA11 DA10 DA9 DA8 DA7 DA6 DA5 DA4 DA3 DA2 DA1 OTRB DB13 DB12 DB11 DB10 DB9
DB7 DB6 DB5 DB4 DB3 DB2 DB1
D1
2
1
DUTAVDD
DUTDRVDD
R4 10kΩ
DB0
DB8 DA0
AGND;4 AVDD;8
U4
2
1
3
AGND;4 AVDD;8
U4 OUT
5
7
6
VIN+_A
C35 0.1μF
C37
0.1μF
C38 0.1μF
C36
0.1μF
R3 5.49kΩ
R5
5kΩ
C30
0.1μF
C29
0.1μF
0.1μF
R43 5kΩ
R6 5kΩ
R38 5kΩ
U1
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
32 31 30 29 28 27 26 25
48
24
1
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
23 22 21 20 19 18 17 16 15 14 13 12 11 10
9 8 7 6 5 4 3 2
C12
10μF
6.3V
TP9
WHT
JP7
AVDD
CLKAO
DUTCLKB
DUTCLKA
R37
10kΩ
C52
0.01μF
1.2V
AD822
AD822
AD9248
VIN+_A VIN–_A AVSS2 AVDD2 REFT_A REFB_A VREF SENSE REFB_B REFT_B AVDD3 AVSS3 VIN–_B VIN+_B AVSS4 AVDD4 CLK_B DUTYEN DFS PDWN_B D0_B (LSB)
D5_A D4_A D3_A
D2_A
D1_A
D0_A (LSB)
DRVDD2
DRVSS2
OTR_B
(MSB) D13_B
D12_B
D11_B
D10_B
D9_B
D8_B
AVSS1 D1_B
D6_A
D2_B D3_B D4_B DRVSS1 DRVDD1 D5_B D6_B D7_B
D7_A
D8_A
D9_A
DRVDD3
DRVSS3
D10_A
D11_A
D12_A
(MSB) D13_A
OTR_A
PDWN_A
MUX_SELECT
SHARED_REF
CLK_A
AVDD1
OEB_A
OEB_B
C31
JP11
JP12
JP2 JP3
JP4
JP1
C57
0.01μF
JP5
C32 0.1μF
C39
0.1μF
C40
0.1μF
C33
10μF
6.3V
CW
JP35
JP8
C24 0.1μF
C25 0.001μF
C26 0.1μF
C13 0.001μF
C14 0.1μF
C11 10μF 6.3V
C23 0.001μF
JP23
JP27
JP29
JP28
JP10
C22 0.1μF
C15 0.001μF
C17 0.1μF
C18 0.001μF
C19 0.001μF
C20 0.1μF
C21 0.001μF
C16 0.1μF
JP9
C2 10μF 6.3V
AVDD
+IN
–IN
OUT
+IN
–IN
04446-041
Figure 42. Evaluation Board Schematic (Continued)