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4-Channel Differential Input Video Decoder with MIPI-CSI2 Output for Around View Applications

Product Status: Mass Production


The ISL79985, ISL79986 integrates four high quality NTSC/PAL/SECAM video decoders that convert the analog composite video signal to digital component YCbCr data for automotive applications. Each channel contains a 10-bit ADC that supports single-ended, differential, and pseudo differential composite video inputs, proprietary clamp and gain controllers, thus, utilizes a 4H-comb filter for separating luminance and chrominance to reduce cross noise artifacts. Integrated short-to-battery and short-to-ground detection, advanced image enhancement capabilities such as the programmable Automatic Contrast Adjustment (ACA), and the MIPI-CSI2/ITU-R BT.656 output interface make the ISL79985, ISL79986 an ideal solution for demanding automotive around view applications.


    Analog Video Decoder
  • Software selectable analog input control allows for combinations of single-ended CVBS and differential CVBS
  • Integrated four video analog anti-aliasing filters and 10-bit CMOS ADCs with differential and single-ended inputs
  • Fully programmable static gain or automatic gain control for the Y-channel
  • Programmable white peak control for the Y-channel
  • 4-H adaptive comb filter Y/C separation
  • PAL delay line for color phase error correction
  • Digital subcarrier PLL for accurate color decoding
  • Digital horizontal PLL for synchronization processing and pixel sampling
  • Advanced synchronization processing and sync detection for handling non-standard and weak signal
  • Automatic color control and color killer
  • Chroma IF compensation
  • Programmable output cropping

    Video Processing
  • Automatic Contrast Adjustment (ACA)
  • Programmable hue, brightness, saturation, contrast and sharpness.
  • Image enhancement with peaking and CTI

    MIPI Output
  • MIPI CSI-2 Version 1.1 compliant unidirectional output format
  • Standard virtual channel support
  • One or two data lanes
  • YUV422 or RGB565 output format

  • Low power consumption
  • Power save and power-down mode
  • Short-to-battery detection
  • Short-to-ground detection
  • 2-wire MPU serial bus interface
  • Single 27MHz crystal for all operations
  • 1.2V/3.3 V power supply
  • 48 Ld QFN package
  • AEC-Q100


Basic Information
Production Status
Mass Production
# of Inputs
# of Channels/Device
Video DAC
Comb Filter
Bus/Output Interface
MIPI-CSI2 v1.1
Analog Output
Qualification Level
Video Decoder
Temperature Range
-40 to +105

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