AD9779BSVZ Datasheet, PDF (11/56 Pages) Analog Devices – Dual 12-/14-/16-Bit, 1 GSPS, Digital-to-Analog Converters

AD9776/AD9778/AD9779
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
CVDD18 1
CVDD18 2
CGND 3
CGND 4
CLK+ 5
CLK– 6
CGND 7
CGND 8
CVDD18 9
CVDD18 10
CGND 11
AGND 12
SYNC_I+ 13
SYNC_I– 14
DGND 15
DVDD18 16
P1D<13> 17
P1D<12> 18
P1D<11> 19
P1D<10> 20
P1D<9> 21
DGND 22
DVDD18 23
P1D<8> 24
P1D<7> 25
PIN 1
ANALOG DOMAIN
DIGITAL DOMAIN
AD9778
TOP VIEW
(Not to Scale)
75 I120
74 VREF
73 IPTAT
72 AGND
71 IRQ
70 RESET
69 CSB
68 SCLK
67 SDIO
66 SDO
65 PLL_LOCK
64 DGND
63 SYNC_O+
62 SYNC_O–
61 DVDD33
60 DVDD18
59 NC
58 NC
57 P2D<0>
56 P2D<1>
55 P2D<2>
54 DGND
53 DVDD18
52 P2D<3>
51 P2D<4>
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
NC = NO CONNECT
Figure 4. AD9778 Pin Configuration
Table 7. AD9778 Pin Function Description
Pin
Pin
No. Mnemonic
Description
No.
1
CVDD18
1.8 V Clock Supply.
21
2
CVDD18
1.8 V Clock Supply.
22
3
CGND
Clock Common.
23
4
CGND
Clock Common.
24
5
CLK+ ¹
Differential Clock Input.
25
6
CLK−¹
Differential Clock Input.
26
7
CGND
Clock Common.
27
8
CGND
Clock Common.
28
9
CVDD18
1.8 V Clock Supply.
29
10
CVDD18
1.8 V Clock Supply.
30
11
CGND
Clock Common.
31
12
AGND
Analog Common.
32
13
SYNC_I+
Differential Synchronization Input.
33
14
SYNC_I−
Differential Synchronization Input.
34
15
DGND
Digital Common.
35
16
DVDD18
1.8 V Digital Supply.
36
17
P1D<13>
Port 1, Data Input D13 (MSB).
37
18
P1D<12>
Port 1, Data Input D12.
38
19
P1D<11>
Port 1, Data Input D11.
39
20
P1D<10>
Port 1, Data Input D10.
40
Rev. A | Page 11 of 56
Mnemonic
P1D<9>
DGND
DVDD18
P1D<8>
P1D<7>
P1D<6>
P1D<5>
P1D<4>
P1D<3>
P1D<2>
P1D<1>
DGND
DVDD18
P1D<0>
NC
NC
DATACLK
DVDD33
TXENABLE
P2D<13>
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 (LSB).
No Connect.
No Connect.
Data Clock Output.
3.3 V Digital Supply.
Transmit Enable.
Port 2, Data Input D13 (MSB).