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Maxim H.264 Video Decoder

Maxim MAX9530
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Maxim's 4-channel video decoder SoC allows direct connection to its family of H.264 processors, reducing cost by more than $1 per channel. MAX9530: a 4-channel analog-to-digital front-end for converting analog video and audio signals to the digital format required for compression. An on-chip memory controller is integrated to support a variety of output formats, including the optimal format for direct connection to Maxim's family of H.264 processors. This eliminates the need for the costly FPGA or interface logic required by competitive solutions.

When used together with Maxim's MG3500 H.264 video processor, the MAX9530 reduces system BOM cost by more than $1 per channel while delivering excellent system video quality for compression. The MAX9530 will thus enable a new generation of multicamera security DVRs that demand superb video quality, competitive cost, and the time-to-market advantages of an end-to-end single-source solution.
Meeting aggressive price targets for security DVRs.

In the video security market, large-scale deployments can involve hundreds of analog CCTV video cameras and microphones, each requiring analog-to-digital conversion for subsequent digital compression, recording, and transport over IP networks. To meet aggressive price targets in this market, system designers need a cost-effective solution for interfacing multiple video and audio channels to an H.264 video processor.

Typically, designers require an FPGA to interface the video decoder with the H.264 video processor. Costing around five dollars apiece, the FPGA can increase total installation cost by several hundred dollars in large-scale deployments.

Maxim's end-to-end solution for digital video compression: The MAX9530 was designed to eliminate this interface requirement by directly connecting to Maxim's MG3500 and other H.264 video processors. It performs all the digital conversions required for up to 4 channels of analog video and audio input.

Key Features

  • 4-channel NTSC/PAL video decoder with 54MHz, 10-bit ADCs and 5-line filter
  • Flexible video output with byte- or frame-interleaving modes at 27/54/108MHz
  • 4-channel audio ADC with 48kHz/16-bit capture and sample-rate conversion
  • 2-channel analog audio output
  • Digital audio input/output through I²S interfaces
  • Multichip cascade configuration with direct connection
  • Independent auto-equalizer processing for each video channel
  • Individual video scalers for each video channel