参数资料
型号: AD9887AKSZ-140
厂商: Analog Devices Inc
文件页数: 52/52页
文件大小: 0K
描述: IC INTRFACE ANALOG/DVI 160-MQFP
标准包装: 24
应用: 图形卡,VGA 接口
接口: 模拟和数字
电源电压: 3.15 V ~ 3.45 V
封装/外壳: 160-BQFP
供应商设备封装: 160-MQFP(28x28)
包装: 托盘
安装类型: 表面贴装
产品目录页面: 788 (CN2011-ZH PDF)
AD9887A
Rev. B | Page 9 of 52
Table 4. Pin Function Descriptions
Pin Type
Mnemonic
Description
Value
Pin No.
Interface
Analog Video Data Inputs
RAIN
Analog Input for Red Channel
0.0 V to 1.0 V
119
Analog
GAIN
Analog Input for Green Channel
0.0 V to 1.0 V
110
Analog
BAIN
Analog Input for Blue Channel
0.0 V to 1.0 V
100
Analog
Sync/Clock Inputs
HSYNC
Horizontal Sync Input
3.3 V CMOS
82
Analog
VSYNC
Vertical Sync Input
3.3 V CMOS
81
Analog
SOGIN
Sync-on-Green Input
0.0 V to 1.0 V
108
Analog
CLAMP
External Clamp Input (Optional)
3.3 V CMOS
93
Analog
COAST
PLL Coast Signal Input (Optional)
3.3 V CMOS
84
Analog
CKEXT
External Pixel Clock Input (to Bypass the PLL) to VDD
or Ground (Optional)
3.3 V CMOS
83
Analog
CKINV
ADC Sampling Clock Invert (Optional)
3.3 V CMOS
94
Analog
Sync Outputs
HSOUT
Horizontal Sync Output
3.3 V CMOS
139
Analog/Digital
VSOUT
Vertical Sync Output
3.3 V CMOS
138
Analog/Digital
SOGOUT
Sync-on-Green Slicer Output or Raw Hsync
3.3 V CMOS
140
Analog
Voltage References
REFOUT
Internal Reference Output (bypass with 0.1 μF to
Ground)
1.25 V
126
Analog
REFIN
Reference Input (1.25 V ± 10%)
1.25 V ± 10%
125
Analog
Clamp Voltages
RMIDSCV
Red Channel Midscale Clamp Voltage Output
0.5 V ± 50%
120
Analog
RCLAMPV
Red Channel Midscale Clamp Voltage Input
0.0 V to 0.75 V
118
Analog
GMIDSCV
Green Channel Midscale Clamp Voltage Output
0.5 V ± 50%
111
Analog
GCLAMPV
Green Channel Midscale Clamp Voltage Input
0.0 V to 0.75 V
109
Analog
BMIDSCV
Blue Channel Midscale Clamp Voltage Output
0.5 V ± 50%
101
Analog
BCLAMPV
Blue Channel Midscale Clamp Voltage Input
0.0 V to 0.75 V
99
Analog
PLL Filter
FILT
External Filter Connection (Component of PLL)
78
Analog
Power Supplies
VD
Main Power Supply
3.3 V ± 5%
51, 54, 55,
67, 68, 70,
96, 98,
104, 105,
107, 114,
115, 117,
123, 124,
127
Analog/Digital
VDD
Output Power Supply
3.3 V ± 5%
1, 11, 21,
31, 43,
132, 141,
151
Analog/Digital
PVD
PLL Power Supply
3.3 V ± 5%
75, 77,
79, 87, 88
Analog/Digital
GND
Ground
0 V
2, 12, 22,
32, 41, 42,
44, 52, 58,
61, 64, 69,
74, 76, 80,
85, 86, 95,
97, 102,
103, 106,
112, 113,
116, 121,
122, 128,
130, 131,
133, 142,
152
Analog/Digital
Serial Port
SDA
Serial Port Data I/O
3.3 V CMOS
92
Analog/Digital
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