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AD9785 Datasheet(PDF) 9 Page - Analog Devices

Part # AD9785
Description  Dual 12-/14-/16-Bit 800 MSPS DAC with Low Power 32-Bit Complex NCO
PDF  64 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9785 Datasheet(HTML) 9 Page - Analog Devices

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AD9785/AD9787/AD9788
Rev. 0 | Page 9 of 64
74
VREF
73
IPTAT
72
AGND
69
SPI_CSB
70
RESET
71
IRQ
75
I120
68
SCLK
67
SPI_SDIO
66
SPI_SDO
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]
65
PLL_LOCK
PIN 1 INDICATOR
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
2
CVDD18
3
CGND
4
CGND
7
CGND
6
REFCLK–
5
REFCLK+
1
CVDD18
8
CGND
9
CVDD18
10
CVDD18
12
AGND
13
SYNC_I+
14
SYNC_I–
15
DGND
16
DVDD18
17
P1D[13]
18
P1D[12]
19
P1D[11]
20
P1D[10]
21
P1D[9]
22
DGND
23
DVDD18
24
P1D[8]
25
P1D[7]
11
CGND
AD9787
TOP VIEW
(Not to Scale)
ANALOG DOMAIN
DIGITAL DOMAIN
NC = NO CONNECT
Figure 3. AD9787 Pin Configuration
Table 7. AD9787 Pin Function Descriptions
Pin No.
Mnemonic
Description
1, 2, 9, 10
CVDD18
1.8 V Clock Supply.
3, 4, 7, 8, 11
CGND
Clock Common.
5
REFCLK+
Differential Clock Input, Positive.
6
REFCLK−
Differential Clock Input, Negative.
12, 72, 77, 79, 81, 82, 85,
88, 91, 94, 95, 97, 99
AGND
Analog Common.
13
SYNC_I+
Differential Synchronization Input, Positive.
14
SYNC_I−
Differential Synchronization Input, Negative.
15, 22, 32, 44, 54, 64
DGND
Digital Common.
16, 23, 33, 43, 53, 60
DVDD18
1.8 V Digital Supply.
17
P1D[13]
Port 1, Data Input D13 (MSB).
18
P1D[12]
Port 1, Data Input D12.
19
P1D[11]
Port 1, Data Input D11.
20
P1D[10]
Port 1, Data Input D10.
21
P1D[9]
Port 1, Data Input D9.
24
P1D[8]
Port 1, Data Input D8.
25
P1D[7]
Port 1, Data Input D7.
26
P1D[6]
Port 1, Data Input D6.
27
P1D[5]
Port 1, Data Input D5.
28
P1D[4]
Port 1, Data Input D4.
29
P1D[3]
Port 1, Data Input D3.
30
P1D[2]
Port 1, Data Input D2.



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