AD9887 View Datasheet(PDF) -

AD9887

Pin

Type

Pin

Name

Analog Video

Inputs

External

Sync/Clock

Inputs

RAIN

GAIN

BAIN

HSYNC

VSYNC

SOGIN

CLAMP

COAST

CKEXT

CKINV

Sync Outputs

HSOUT

VSOUT

SOGOUT

Voltage

Reference

REFOUT

REFIN

Clamp Voltages

PLL Filter

RMIDSCV

RCLAMPV

GMIDSCV

GCLAMPV

BMIDSCV

BCLAMPV

FILT

Power Supply

VD

VDD

PVD

GND

Serial Port

(2-Wire

Serial Interface)

SDA

SCL

A0

A1

Data Outputs

Red B[7:0]

Green B[7:0]

Blue B[7:0]

Red A[7:0]

Green A[7:0]

Blue A[7:0]

Data Clock

Outputs

DATACK

DATACK

Sync Detect

Scan Function

No Connect

SCDT

SCANIN

SCANOUT

SCANCLK

NC

Digital Video

Data Inputs

Digital Video

Clock Inputs

Data Enable

Rx0+

Rx0–

Rx1+

Rx1–

Rx2+

Rx2–

Rxc+

Rxc–

DE

Control Bits

CTL[0:3]

RTERM

RTERM

Table I. Complete Pinout List

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

External Pixel Clock Input (to Bypass the PLL) to VDD or Ground

ADC Sampling Clock Invert

HSYNC Output Clock (Phase-Aligned with DATACK)

VSYNC Output Clock (Phase-Aligned with DATACK)

Sync on Green Slicer Output

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

Connection for External Filter Components for Internal PLL

Analog Power Supply

Output Power Supply

PLL Power Supply

Ground

Serial Port Data I/O

Serial Port Data Clock (100 kHz Max)

Serial Port Address Input 1

Serial Port Address Input 2

Port B/Odd Outputs of Converter “Red,” Bit 7 Is the MSB

Port B/Odd Outputs of Converter “Green,” Bit 7 Is the MSB

Port B/Odd Outputs of Converter “Blue,” Bit 7 Is the MSB

Port A/Even Outputs of Converter “Red,” Bit 7 Is the MSB

Port A/Even Outputs of Converter “Green,” Bit 7 Is the MSB

Port A/Even Outputs of Converter “Blue,” Bit 7 Is the MSB

Data Output Clock for the Analog and Digital Interface

Data Output Clock Complement for the Analog Interface Only

Sync Detect Output

Input for SCAN Function

Output for SCAN Function

Clock for SCAN Function

These Pins Should be Left Unconnected

Digital Input Channel 0 True

Digital Input Channel 0 Complement

Digital Input Channel 1 True

Digital Input Channel 1 Complement

Digital Input Channel 2 True

Digital Input Channel 2 Complement

Digital Data Clock True

Digital Data Clock Complement

Data Enable

Decoded Control Bits

Sets Internal Termination Resistance

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%

0.0 V to 0.75 V

0.0 V to 0.75 V

0.0 V to 0.75 V

3.3 V ± 10%

3.3 V ± 10%

3.3 V ± 10%

0V

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

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

Pin

Number Interface

119

Analog

110

Analog

100

Analog

82

Analog

81

Analog

108

Analog

93

Analog

84

Analog

83

Analog

94

Analog

139

Both

138

Both

140

Analog

126

Analog

125

Analog

120

Analog

118

Analog

111

Analog

109

Analog

101

Analog

99

Analog

78

Analog

Both

Both

Both

Both

92

Both

91

Both

90

Both

89

Both

153–160

13–20

33–40

143–150

3–10

23–30

Both

Both

Both

Both

Both

Both

134

Both

135

Both

136

Both

129

Both

45

Both

50

Both

71–73 Both

62

Digital

63

Digital

59

Digital

60

Digital

56

Digital

57

Digital

65

Digital

66

Digital

137

Digital

46–49 Digital

53

Digital

REV. 0

–7–

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