AD9985 Просмотр технического описания (PDF) - Analog Devices
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AD9985 Datasheet PDF : 32 Pages
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AD9985
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
GND 1
GREEN <7> 2
GREEN <6> 3
GREEN <5> 4
GREEN <4> 5
GREEN <3> 6
GREEN <2> 7
GREEN <1> 8
GREEN <0> 9
GND 10
VDD 11
BLUE <7> 12
BLUE <6> 13
BLUE <5> 14
BLUE <4> 15
BLUE <3> 16
BLUE <2> 17
BLUE <1> 18
BLUE <0> 19
GND 20
PIN 1
INDICATOR
AD9985
TOP VIEW
(Not to Scale)
60 GND
59 VD
58 REF BYPASS
57 SDA
56 SCL
55 A0
54 RAIN
53 GND
52 VD
51 VD
50 GND
49 SOGIN
48 GAIN
47 GND
46 VD
45 VD
44 GND
43 BAIN
42 VD
41 GND
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
Table 4. Complete Pinout List
Pin Type
Mnemonic
Inputs
RAIN
GAIN
BAIN
HSYNC
VSYNC
SOGIN
CLAMP
COAST
Outputs
Red [7:0]
Green [7:0]
Blue [7:0]
DATACK
HSOUT
VSOUT
SOGOUT
References
REF BYPASS
MIDSCV
Power Supply
FILT
VD
VDD
PVD
GND
Control
SDA
SCL
A0
Figure 2. Pin Configuration
Function
Analog Input for Converter R
Analog Input for Converter G
Analog Input for Converter B
Horizontal SYNC Input
Vertical SYNC Input
Input for Sync-on-Green
Clamp Input (External CLAMP Signal)
PLL COAST Signal Input
Outputs of Converter Red, Bit 7 is the MSB
Outputs of Converter Green, Bit 7 is the BSB
Outputs of Converter Blue, Bit 7 is the BSB
Data Output Clock
HSYNC Output (Phase-Aligned with DATACK)
VSYNC Output (Phase-Aligned with DATACK)
Sync-on-Green Slicer Output
Internal Reference Bypass
Internal Midscale Voltage Bypass
Connection for External Filter Components
for Internal PLL
Analog Power Supply
Output Power Supply
PLL Power Supply
Ground
Value
0.0 V to 1.0V
0.0 V to 1.0V
0.0 V to 1.0V
3.3 V CMOS
3.3 V CMOS
0.0 V to 1.0 V
3.3 V CMOS
3.3 V CMOS
3.3 V CMOS
3.3 V CMOS
3.3 V CMOS
3.3 V CMOS
3.3 V CMOS
3.3 V CMOS
3.3 V CMOS
1.25 V
3.3 V
3.3 V
3.3 V
0V
Serial Port Data I/O
Serial Port Data Clock (100 kHz Maximum
Serial Port Address Input 1
3.3 V CMOS
3.3 V CMOS
3.3 V CMOS
Pin No.
54
48
43
30
31
49
38
29
70–77
2–9
12–19
67
66
64
65
58
37
33
39, 42, 45, 46, 51, 52, 59, 62
11, 22, 23, 69, 78, 79
26, 27, 34, 35
1, 10, 20, 21, 24, 25, 28, 32, 36, 40, 41,
44, 47, 50, 53, 60, 61, 63, 68, 80
57
56
55
Rev. 0 | Page 8 of 32
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