AD9776A Analog Devices, AD9776A Datasheet - Page 12

• Manufacturer Part Number: AD9776A
• Description: Dual 12-Bit, 1 GSPS, Digital-to-Analog Converter
• Manufacturer: Analog Devices

Specifications of AD9776A

• Resolution (bits): 12bit
• Dac Update Rate: 1GSPS
• Dac Settling Time: n/a
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: Par

AD9776A/AD9778A/AD9779A
Table 8. AD9778A Pin Function Descriptions
Pin
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Mnemonic
CVDD18
CVDD18
CGND
CGND
REFCLK+
REFCLK−
CGND
CGND
CVDD18
CVDD18
CGND
AGND
SYNC_I+
SYNC_I−
DGND
DVDD18
P1D13
P1D12
NC = NO CONNECT
NOTES
1. FOR OPTIMAL THERMAL PERFORMANCE, THE EXPOSED
PAD SHOULD BE SOLDERED TO THE GROUND PLANE FOR
Description
1.8 V Clock Supply.
1.8 V Clock Supply.
Clock Ground.
Clock Common.
Differential Clock Input.
Differential Clock Input.
Clock Ground.
Clock Ground.
1.8 V Clock Supply.
1.8 V Clock Supply.
Clock Ground.
Analog Ground.
Differential Synchronization Input.
Differential Synchronization Input.
Digital Ground.
1.8 V Digital Supply.
Port 1, Data Input D13 (MSB).
Port 1, Data Input D12.
THE 100-LEAD, THERMALLY ENHANCED TQFP PACKAGE.
REFCLK+
REFCLK–
SYNC_I+
SYNC_I–
CVDD18
CVDD18
CVDD18
CVDD18
DVDD18
DVDD18
P1D13
P1D12
P1D11
P1D10
CGND
CGND
CGND
CGND
CGND
AGND
DGND
DGND
P1D9
P1D8
P1D7
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
1
3
9
2
4
5
6
7
8
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 4. AD9778A Pin Configuration
Rev. B | Page 12 of 56
(Not to Scale)
AD9778A
TOP VIEW
ANALOG DOMAIN
DIGITAL DOMAIN
Pin
No.
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
Mnemonic
P1D11
P1D10
P1D9
DGND
DVDD18
P1D8
P1D7
P1D6
P1D5
P1D4
P1D3
P1D2
P1D1
DGND
DVDD18
P1D0
NC
NC
Description
Port 1, Data Input D11.
Port 1, Data Input D10.
Port 1, Data Input D9.
Digital Ground.
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 Ground.
1.8 V Digital Supply.
Port 1, Data Input D0 (LSB).
No Connect.
No Connect.
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
NC
NC
P2D0
P2D1
P2D2
DGND
DVDD18
P2D3
P2D4