Multi-format Video Encoder Six 12-Bit Noise Shaped Video® DACs

The ADV7340/ADV7341 are high speed, digital-to-analog video encoders in a 64-lead LQFP package. Six high speed, NSV, 3.3 V, 12-bit video DACs provide support for composite (CVBS), S-Video (Y/C), and component (YPrPb/RGB) analog outputs in either standard definition (SD), enhanced definition (ED), or high definition (HD) video formats.

The ADV7340/ADV7341 each have a 30-bit pixel input port that can be configured in a variety of ways. SD video formats are supported over a SDR interface and ED/HD video formats are supported over SDR and DDR interfaces. Pixel data can be supplied in either the YCrCb or RGB color spaces.

The parts also support embedded EAV/SAV timing codes, external video synchronization signals, and the I2C communication protocol.

In addition, simultaneous SD and ED/HD input and output are supported. 216 MHz (SD and ED) and 297 MHz (HD) oversampling ensures that external output filtering is not required, while full-drive DACs ensure that external output buffering is not required.

Cable detection and DAC auto power-down features keep power consumption to a minimum.

Applications

* DVD recorders and players

* High definition Blu-ray DVD players

* HD-DVD players

* 1.8V/3.3V interface support

* 74.25 MHz 20-/30-bit high definition input support

* Compliant with SMPTE 274 M (1080i), 296 M (720p), and 240 M (1035i)

* 6 Noise Shaped Video (NSV) 12-bit video DACs

* NTSC M, PAL B/D/G/H/I/M/N, PAL 60 support

* NTSC and PAL square pixel operation (24.54 MHz/29.5 MHz)

* Multiformat video input support

* Multiformat video output support Composite

* (CVBS) and S-Video (Y/C)

* Component YPrPb (SD, ED, and HD)

* Component RGB (SD, ED, and HD)

* Simultaneous SD and ED/HD operation

* EIA/CEA-861B compliance support

* Programmable features Luma and chroma filter responses

* Copy generation management system (CGMS)