Analog Devices AD9776A Manual page 14

AD9776A/AD9778A/AD9779A
CVDD18
CVDD18
CGND
CGND
REFCLK+
REFCLK–
CGND
CGND
CVDD18
CVDD18
CGND
AGND
SYNC_I+
SYNC_I–
DGND
DVDD18
P1D15
P1D14
P1D13
P1D12
P1D11
DGND
DVDD18
P1D10
P1D9
NOTES
1. FOR OPTIMAL THERMAL PERFORMANCE, THE EXPOSED
PAD SHOULD BE SOLDERED TO THE GROUND PLANE FOR
THE 100-LEAD, THERMALLY ENHANCED TQFP PACKAGE.
Table 9. AD9779A Pin Function Descriptions
Pin
No. Mnemonic Description
1 CVDD18 1.8 V Clock Supply.
2 CVDD18 1.8 V Clock Supply.
3 CGND Clock Ground.
4 CGND Clock Ground.
5 REFCLK+ Differential Clock Input.
6 REFCLK− Differential Clock Input.
7 CGND Clock Ground.
8 CGND Clock Ground.
9 CVDD18 1.8 V Clock Supply.
10 CVDD18 1.8 V Clock Supply.
11 CGND Clock Ground.
12 AGND Analog Ground.
13 SYNC_I+ Differential Synchronization Input.
14 SYNC_I− Differential Synchronization Input.
15 DGND Digital Ground.
16 DVDD18 1.8 V Digital Supply.
17 P1D15 Port 1, Data Input D15 (MSB).
18 P1D14 Port 1, Data Input D14.
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 5. AD9779A Pin Configuration
ANALOG DOMAIN
DIGITAL DOMAIN
AD9779A
TOP VIEW
(Not to Scale)
Pin
No. Mnemonic
19 P1D13
20 P1D12
21 P1D11
22 DGND
23 DVDD18
24 P1D10
25 P1D9
26 P1D8
27 P1D7
28 P1D6
29 P1D5
30 P1D4
31 P1D3
32 DGND
33 DVDD18
34 P1D2
35 P1D1
36 P1D0
Rev. B | Page 14 of 56
75 I120
VREF
74
73 IPTAT
72 AGND
IRQ
71
RESET
70
CSB
69
SCLK
68
SDIO
67
SDO
66
PLL_LOCK
65
64 DGND
63 SYNC_O+
SYNC_O–
62
DVDD33
61
60 DVDD18
59 P2D0
58 P2D1
P2D2
57
P2D3
56
55 P2D4
54 DGND
DVDD18
53
P2D5
52
51 P2D6
Description
Port 1, Data Input D13.
Port 1, Data Input D12.
Port 1, Data Input D11.
Digital Ground.
1.8 V Digital Supply.
Port 1, Data Input D10.
Port 1, Data Input D9.
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.
Digital Ground.
1.8 V Digital Supply.
Port 1, Data Input D2.
Port 1, Data Input D1.
Port 1, Data Input D0 (LSB).