Analog Devices AD9776 Instruction Manual page 10

AD9776/AD9778/AD9779
CVDD18
CVDD18
CGND
CGND
CLK+
CLK–
CGND
CGND
CVDD18
CVDD18
CGND
AGND
SYNC_I+
SYNC_I–
DGND
DVDD18
P1D<13>
P1D<12>
P1D<11>
P1D<10>
P1D<9>
DGND
DVDD18
P1D<8>
P1D<7>
NC = NO CONNECT
Table 6. AD 9778 Pin Function Description
Pin No. Mnemonic Description
1 CVDD18 1.8 V Clock Supply
2 CVDD18 1.8 V Clock Supply
3 CGND Clock Common
4 CGND Clock Common
1
5 CLK+ Differential Clock Input
6 CLK– 1 Differential Clock Input
7 CGND Clock Common
8 CGND Clock Common
9 CVDD18 1.8 V Clock Supply
10 CVDD18 1.8 V Clock Supply
11 CGND Clock Common
12 AGND Analog Common
13 SYNC_I+ Differential Synchronization Input
14 SYNC_I– Differential Synchronization Input
15 DGND Digital Common
16 DVDD18 1.8 V Digital Supply
17 P1D <13> Port 1, Data Input D13 (MSB)
18 P1D <12> Port 1, Data Input D12
19 P1D <11> Port 1, Data Input D11
20 P1D <10> Port 1, Data Input D10
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
1
PIN 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
Figure 3. AD9778 Pin Configuration
ANALOG DOMAIN
DIGITAL DOMAIN
AD9778
TOP VIEW
(Not to Scale)
Pin No. Mnemonic
21 P1D <9>
22 DGND
23 DVDD18
24 P1D <8>
25 P1D <7>
26 P1D <6>
27 P1D <5>
28 P1D <4>
29 P1D <3>
30 P1D <2>
31 P1D <1>
32 DGND
33 DVDD18
34 P1D <0>
35 NC
36 NC
37 DATACLK
38 DVDD33
39 TXENABLE
40 P2D <13>
Rev. 0 | Page 10 of 56
75
I120
74 VREF
IPTAT
73
72 AGND
IRQ
71
70 RESET
69 CSB
SCLK
68
SDIO
67
SDO
66
65 PLL_LOCK
64 DGND
63 SYNC_O+
SYNC_O–
62
61 DVDD33
60 DVDD18
59 NC
58 NC
P2D<0>
57
56 P2D<1>
55 P2D<2>
54 DGND
53 DVDD18
P2D<3>
52
51 P2D<4>
Description
Port 1, Data Input D9
Digital Common
1.8 V Digital Supply
Port 1, Data Input D8
Port 1, Data Input D7
Port 1, Data Input D6
Port 1, Data Input D5
Port 1, Data Input D4
Port 1, Data Input D3
Port 1, Data Input D2
Port 1, Data Input D1
Digital Common
1.8 V Digital Supply
Port 1, Data Input D0
No Connect
No Connect
Data Clock Output
3.3 V Digital Supply
Transmit Enable
Port 2, Data Input D13 (MSB)