Four-Channel, Standard-Definition Video Filters
SD Video Filter Buffer with Improved Stop-Band Attenuation and 12kV ESD Protection
DescriptionThe MAX11504/MAX11505 integrated filters offer four channels of 5th order filters for standard-definition video and include +6dB output buffers on each channel. These video filters are ideal for anti-aliasing and DAC smoothing in applications such as set-top boxes, security systems, digital video recorders (DVRs), DVD players, and personal video recorders.
The MAX11504/MAX11505 video inputs feature a transparent clamp compatible with AC- and DC-coupled input signals and allow DAC outputs to be directly coupled. The 5th order filters provide a bandwidth of 8.6MHz (typical). The MAX11504 offers a flat passband response on all channels. The MAX11505 offers a 0.8dB peaking passband response on Channel 1, resulting in a bandwidth of 8.9MHz (typical) and a flat passband response on all other channels.
Each channel includes an output buffer with a gain of +6dB capable of driving a full 2VP-P video signal into two standard 150Ω (75Ω back terminated) video loads. The buffers drive either AC- or DC-coupled loads and assure a blanking level below 1V after the back-match resistor.
The MAX11504/MAX11505 operate from a single +5V supply and are available in the 0°C to +70°C commercial temperature range. These devices are available in small 10-pin µMAX® packages.
- Four-Channel 5th Order Filter for Standard-Definition Video
- +6dB Output Buffers
- Transparent Input Clamp
- AC- or DC-Coupled Inputs
- AC- or DC-Coupled Outputs
- Output Buffers Can Drive Two Standard 150Ω Video Loads
- 12kV HBM ESD Protection on Outputs
- Flat Passband Response (MAX11504)
- 0.8dB Peaking Passband Response on Channel 1 (MAX11505)
- Single +5V Power Supply
- Small 10-Pin µMAX Package
- Digital Video Recorders
- DVD Players
- Personal Video Recorders
- Security Video Systems
- Set-Top Boxes
- Video On-Demand
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