Pin Configurations And Function Descriptions - Analog Devices AD9776A Manual

AD9776A/AD9778A/AD9779A

PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS

CVDD18
CVDD18
CGND
CGND
REFCLK+
REFCLK–
CGND
CGND
CVDD18
CVDD18
CGND
AGND
SYNC_I+
SYNC_I–
DGND
DVDD18
P1D11
P1D10
P1D9
P1D8
P1D7
DGND
DVDD18
P1D6
P1D5
NC = NO CONNECT
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 7. AD9776A 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.
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. AD9776A Pin Configuration
ANALOG DOMAIN
DIGITAL DOMAIN
AD9776A
TOP VIEW
(Not to Scale)
Pin
No. Mnemonic
17 P1D11
18 P1D10
19 P1D9
20 P1D8
21 P1D7
22 DGND
23 DVDD18
24 P1D6
25 P1D5
26 P1D4
27 P1D3
28 P1D2
29 P1D1
30 P1D0
31 NC
32 DGND
Rev. B | Page 10 of 56
75 I120
VREF
74
IPTAT
73
AGND
72
71 IRQ
RESET
70
CSB
69
SCLK
68
SDIO
67
66 SDO
65 PLL_LOCK
DGND
64
63 SYNC_O+
62 SYNC_O–
61 DVDD33
DVDD18
60
NC
59
58 NC
57 NC
NC
56
P2D0
55
54 DGND
53 DVDD18
52 P2D1
P2D2
51
Description
Port 1, Data Input D11 (MSB).
Port 1, Data Input D10.
Port 1, Data Input D9.
Port 1, Data Input D8.
Port 1, Data Input D7.
Digital Ground.
1.8 V Digital Supply.
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.
Port 1, Data Input D0 (LSB).
No Connect.
Digital Ground.