AD9887A Analog Devices, Inc., AD9887A Datasheet - Page 9

• Manufacturer Part Number: AD9887A
• Description: Dual Interface For Flat Panel Displays
• Manufacturer: Analog Devices, Inc.

Table 4. Pin Function Descriptions
Pin Type
Analog Video Data Inputs
Sync/Clock Inputs
Sync Outputs
Voltage References
Clamp Voltages
PLL Filter
Power Supplies
Serial Port
Mnemonic
R
G
B
HSYNC
VSYNC
SOGIN
CLAMP
COAST
CKEXT
CKINV
HSOUT
VSOUT
SOGOUT
REFOUT
REFIN
R
R
G
G
B
B
FILT
V
V
PV
GND
SDA
AIN
AIN
MIDSC
CLAMP
MIDSC
CLAMP
D
DD
AIN
MIDSC
CLAMP
D
V
V
V
V
V
V
Description
Analog Input for Red Channel
Analog Input for Green Channel
Analog Input for Blue Channel
Horizontal Sync Input
Vertical Sync Input
Sync-on-Green Input
External Clamp Input (Optional)
PLL Coast Signal Input (Optional)
External Pixel Clock Input (to Bypass the PLL) to V
or Ground (Optional)
ADC Sampling Clock Invert (Optional)
Horizontal Sync Output
Vertical Sync Output
Sync-on-Green Slicer Output or Raw Hsync
Internal Reference Output (bypass with 0.1 μF to
Ground)
Reference Input (1.25 V ± 10%)
Red Channel Midscale Clamp Voltage Output
Red Channel Midscale Clamp Voltage Input
Green Channel Midscale Clamp Voltage Output
Green Channel Midscale Clamp Voltage Input
Blue Channel Midscale Clamp Voltage Output
Blue Channel Midscale Clamp Voltage Input
External Filter Connection (Component of PLL)
Main Power Supply
Output Power Supply
PLL Power Supply
Ground
Serial Port Data I/O
Rev. B | Page 9 of 52
DD
Value
0.0 V to 1.0 V
0.0 V to 1.0 V
0.0 V to 1.0 V
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
1.25 V
1.25 V ± 10%
0.5 V ± 50%
0.0 V to 0.75 V
0.5 V ± 50%
0.0 V to 0.75 V
0.5 V ± 50%
0.0 V to 0.75 V
3.3 V ± 5%
3.3 V ± 5%
3.3 V ± 5%
0 V
3.3 V CMOS
Pin No.
119
110
100
82
81
108
93
84
83
94
139
138
140
126
125
120
118
111
109
101
99
78
51, 54, 55,
67, 68, 70,
96, 98,
104, 105,
107, 114,
115, 117,
123, 124,
127
1, 11, 21,
31, 43,
132, 141,
151
75, 77,
79, 87, 88
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
92
Interface
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog/Digital
Analog/Digital
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog/Digital
Analog/Digital
Analog/Digital
Analog/Digital
Analog/Digital
AD9887A