Three-Channel, Standard-Definition Video Filters
SD Video Filter Buffers with Improved Stop-Band Attenuation and 12kV ESD Protection
DescriptionThe MAX11501/MAX11502 integrated filters offer three 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 MAX11501/MAX11502 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 typical -3dB bandwidth of 8.6MHz (MAX11501) and 8.9MHz (MAX11502) and offer either a flat passband response (MAX11501) or a +0.8dB peaking passband response (MAX11502) on all 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 of below 1V after the backmatch resistor.
The MAX11501/MAX11502 operate from a single +5V supply and are available in the upper commercial 0°C to +85°C temperature range. These devices are available in small 8-pin SO packages.
- Three-Channel 5th-Order 9MHz Filter for Standard-Definition Video
- +6dB Output Buffers
- Transparent Input Clamp
- AC- or DC-Coupled Inputs
- AC- or DC-Coupled Outputs
- Flat Passband Response (MAX11501)
- +0.8dB Peaking Passband Response (MAX11502) on All Channels
- 12kV HBM ESD Protection on Outputs
- Single +5V Power Supply
- Small 8-Pin SO Package
- Digital Video Recorders (DVRs)
- DVD Players
- Personal Video Recorders
- Security Video Systems
- Set-Top Box Receivers
- Video On-Demand
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