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Part Number: ML6461
Description: The ML6461 is a multi-standard CCIR656 (4:2:2) video (input) composite and S-video (outputs) encoder f...
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ML6461
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General Description
ML6461 General Description
The ML6461 is a multi-standard CCIR656 (4:2:2) video (input) composite and S-video (outputs) encoder for NTSC systems. It is designed to provide a low cost, single-chip output interface for a variety of video applications including set-top decoders, DVD players, and other YCrCb to Y/C equipment.
The ML6461 accepts 8-bit YCrCb video in either CCIR656 or Square Pixel format and generates analog Y, C and CV waveforms complete with Closed Caption encoding.
The ML6461 includes output analog reconstruction filters, phase equalizer, and 6dB (2X gain) drivers. Gain scaling, sync, and Y+C mixing are performed at the output of the relevant 10-bit DAC, eliminating the gain mapping stages that require additional DAC bits. The result is Y SNR and granularity remain precisely the same as the source.
The ML6461 supports both master and slave timing operations. S-Video and multiple composite signals can be driven simultaneously into 75 loads.
ML6461 Maximum Ratings
AVCC, DVCC .................................................... 0.3 to 7V
Analog and Digital Inputs/Outputs ..0.3 to AVCC + 0.3V
Input current per pin .................................. 25 to 25mA
Storage Temperature ..................................65 to 150
Junction Temperature ..............................................120
Analog and Digital Inputs/Outputs ..0.3 to AVCC + 0.3V
Input current per pin .................................. 25 to 25mA
Storage Temperature ..................................65 to 150
Junction Temperature ..............................................120
ML6461 Features
· Closed Caption VBI encoder for line 21 and 284
· Handles SAV/EAV codes for CCIR656 Video
· Single clock input: 27MHz CCIR656, 24.54MHz Sq. Pix.
· Color subcarrier correction for overlay applications
· Onboard analog 7th-order reconstruction filters and 6dB drivers with differential gain/phase of 0.5%/0.5º
· Y, C, CV outputs drive both AC or DC coupled loads
· Multiple 75W line drivers for two composite outputs, channel modulator, and S-Video
· 2-wire serial control bus, or selectable presets for standalone operation
·Handles Japanese NTSC signals
· Handles SAV/EAV codes for CCIR656 Video
· Single clock input: 27MHz CCIR656, 24.54MHz Sq. Pix.
· Color subcarrier correction for overlay applications
· Onboard analog 7th-order reconstruction filters and 6dB drivers with differential gain/phase of 0.5%/0.5º
· Y, C, CV outputs drive both AC or DC coupled loads
· Multiple 75W line drivers for two composite outputs, channel modulator, and S-Video
· 2-wire serial control bus, or selectable presets for standalone operation
·Handles Japanese NTSC signals
ML6461 Connection Diagram
ML6461
PDF/DataSheet Download
- Datasheet: ML6461
- File Size: 342140 KB
- Manufacturer: MICRO-LINEAR [Micro Linear Corporation]
- Click here to Download
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