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6-Channel SD/ED/HD Video Filter with Charge Pump
Model: ADA4424-6
- 3 SD channels; 18 MHz typical
- 1 dB bandwidth (BW)
- 3 ED/HD channels; 25 MHz/34 MHz typical 1 dB BW
- Fixed gain of 6.2 dB (2.042 V/V)
- Onboard negative supply for output coupling without capacitors
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The ADA4424-6 is a high performance video reconstruction filter specifically designed for consumer applications. It consists of a standard definition (SD) section with two fifth-order Butterworth filters, and a high definition (HD) section with three fifth-order filters. The SD section contains an internal Y/C summer for CVBS output, whereas the HD section provides selectable corner frequencies for either extended definition (ED) or HD signals. The ADA4424-6 filter/buffer section operates from a single 3.3 V supply. Full support for D-terminal (EIAJ RC-5237 D5) and S1/S2 signaling is provided, along with a dedicated 5 V supply pin. Separate enable pins are provided for the SD and HD sections. The luma channels (Y_IN, HY_IN) of the ADA4424-6 are capable of detecting and cancelling dc input offsets of up to 1.1 V. Four distinct modes of detection/cancellation are available. The output drivers on the ADA4424-6 feature rail-to-rail outputs with 6.2 dB gain. An on-board charge pump allows the outputs to swing up to 1.4 V below ground, eliminating the need for large coupling capacitors. Each output is capable of driving two 75 Ohm doubly terminated cables. The ADA4424-6 is available in a 38-lead TSSOP and operates in the extended industrial temperature range of -40°C to +85°C.
- 3 SD channels; 18 MHz typical
- 1 dB bandwidth (BW)
- 3 ED/HD channels; 25 MHz/34 MHz typical 1 dB BW
- Fixed gain of 6.2 dB (2.042 V/V)
- Onboard negative supply for output coupling without capacitors
- Minimal dc offset at the output pins
- Internal summation of Y and C channels for CVBS output
- Flexible input DC offset cancellation for luma channels
- D- terminal (EIAJ RC-5237 D5) and S-terminal (S1/S2) support
- Capable of driving two (2) back-terminated 75 Ohm video loads simultaneously
- Separate power-down pins for SD and ED/HD sections
- 38-lead TSSOP package
- Sony Green Partner Environmental Quality Approval Program compliant
- Applications include DVD players and recorders, Set-top boxes, Projectors, Personal video recorders
- Processor Type - Video
- Spec Sheet available - Yes
- Max Pos Supply: 5.25 V
- Supply Current: 93 mA
- Standard: CV
- Resolution: 1080i
- Operating Temperature (Maximum): 185 F
- Operating Temperature (Minimum): -40 F
- Current Draw: 0.09 Amps
6-Channel SD/ED/HD Video Filter with Charge Pump
251 kb
- Data Sheet
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Contact in regards to this product:
Analog Devices, Inc.
Model: ADA4424-6
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