AD9779 Analog Devices, AD9779 Datasheet - Page 13

• Manufacturer Part Number: AD9779
• Description: Dual 16-Bit, 1 GSPS, Digital-to-Analog Converter
• Manufacturer: Analog Devices

Specifications of AD9779

• Resolution (bits): 16bit
• Dac Update Rate: 1GSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: Yes
• Dac Type: Current Out
• Dac Input Format: Par

Table 8. AD9779 Pin Function Descriptions
Pin
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Mnemonic
CVDD18
CVDD18
CGND
CGND
CLK+
CLK−
CGND
CGND
CVDD18
CVDD18
CGND
AGND
SYNC_I+
SYNC_I−
DGND
DVDD18
P1D<15>
P1D<14>
P1D<13>
P1D<12>
P1D<11>
1
1
SYNC_I+
P1D<15>
P1D<14>
P1D<13>
P1D<12>
P1D<11>
P1D<10>
SYNC_I–
CVDD18
CVDD18
CVDD18
CVDD18
DVDD18
DVDD18
P1D<9>
CGND
CGND
CGND
CGND
CGND
AGND
DGND
DGND
CLK+
CLK–
Description
1.8 V Clock Supply.
1.8 V Clock Supply.
Clock Common.
Clock Common.
Differential Clock Input.
Differential Clock Input.
Clock Common.
Clock Common.
1.8 V Clock Supply.
1.8 V Clock Supply.
Clock Common.
Analog Common.
Differential Synchronization Input.
Differential Synchronization Input.
Digital Common.
1.8 V Digital Supply.
Port 1, Data Input D15 (MSB).
Port 1, Data Input D14.
Port 1, Data Input D13.
Port 1, Data Input D12.
Port 1, Data Input D11.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
1
2
3
4
5
6
7
8
9
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
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
PIN 1
Figure 5. AD9779 Pin Configuration
Rev. A | Page 13 of 56
(Not to Scale)
AD9779
TOP VIEW
ANALOG DOMAIN
DIGITAL DOMAIN
Pin
No.
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
Mnemonic
DGND
DVDD18
P1D<10>
P1D<9>
P1D<8>
P1D<7>
P1D<6>
P1D<5>
P1D<4>
P1D<3>
DGND
DVDD18
P1D<2>
P1D<1>
P1D<0>
DATACLK
DVDD33
TXENABLE
P2D<15>
P2D<14>
P2D<13>
Description
Digital Common.
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 Common.
1.8 V Digital Supply.
Port 1, Data Input D2.
Port 1, Data Input D1.
Port 1, Data Input D0 (LSB).
Data Clock Output.
3.3 V Digital Supply.
Transmit Enable.
Port 2, Data Input D15 (MSB).
Port 2, Data Input D14.
Port 2, Data Input D13.
AD9776/AD9778/AD9779
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
I120
VREF
IPTAT
AGND
IRQ
RESET
CSB
SCLK
SDIO
SDO
PLL_LOCK
DGND
SYNC_O+
SYNC_O–
DVDD33
DVDD18
P2D<0>
P2D<1>
P2D<2>
P2D<3>
P2D<4>
DGND
DVDD18
P2D<5>
P2D<6>