GENERAL DESCRIPTION

The ADV7185 is an integrated video decoder that automatically detects and converts a standard analog baseband television signal compatible with worldwide standards NTSC or PAL into 4:2:2 or 4:1:1 component video data compatible with 16-/8-bit CCIR601/CCIR656 or 10-/20-bit extended standards.

FEATURES

Analog Video to Digital YCrCb Video Decoder:

NTSC-(M/N), PAL-(B/D/G/H/I/M/N)

ADV?7185 Integrates Two 12-Bit ADCs

Clocked from a Single 27 MHz Crystal

Dual Video Clocking Schemes:

Line-Locked Clock Compatible (LLC)

Adaptive Digital Line Length Tracking (ADLLT?)

3-Line Chroma Comb Filter

Real-Time Clock and Status Information Output

Integrated AGC (Automatic Gain Control) and Clamping

Multiple Programmable Analog Input Formats:

CVBS (Composite Video)

SVHS (Y/C)

YCrCb Component (VESA, MII, SMPTE, and BetaCam)

6 Analog Input Video Channels

Real-Time Horizontal and Vertical Scaling

Automatic NTSC/PAL Identification

Differential Mode Video Input

Digital Output Formats (20-Bit Wide Bus):

YCrCb (4:2:2 or 4:1:1)

CCIR601/CCIR656 8-Bit or Extended 10-Bit

0.5 V to 2.0 V p-p Input Range

Differential Gain, 0.4 Typ

Differential Phase, 0.6o Typ

Programmable Video Controls:

Peak White/Hue/Brightness/Saturation/Contrast

CCIR/Square/4 FSC Pixel Operation

Simplified Digital Interface

On-Board Digital FIFO

Optimized Programmable Video Source Modes:

Broadcast TV

VCR/Camcorder

Security/Surveillance

Integrated On-Chip Video Timing Generator

Synchronous or Asynchronous Output Timing

Line-Locked Clock Output

Closed Captioning Passthrough Operation

Vertical Blanking Interval Support

Power-Down Mode

2-Wire Serial MPU Interface (I2C-Compatible)

5 V Analog 3.3 V Digital Supply Operation

80-Lead LQFP Package

APPLICATIONS

Projectors

Digital TVs

DVD-RAM Recorders and Players

PDP Displays

Video Decoders

Hybrid Analog/Digital Set-Top Boxes

Professional Equipment