Overview

The ISL79987 and ISL79988 integrate four, high-quality NTSC/PAL/SECAM video decoders that convert analog composite video signals 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. The ISL79987 and ISL79988 use a 4H-comb filter for separating luminance and chrominance to reduce cross noise artifacts, and proprietary clamp and gain controllers. 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 ISL79987 and ISL79988 an ideal solution for the demands of automotive around view applications.

ISL79987_ISL79988 Functional Diagram
ISL79987_ISL79988 Functional Diagram
  • 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 signals
  • 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
  • Standard virtual identification channel support
  • Non-standard pseudo virtual channel support
  • One or two data lanes
  • YUV422 or RGB565 output format

Digital Output

  • Supports standard ITU-R BT.656 format or time multiplexed output with 27/54/108MHz
  • Output voltage 1.8V to 3.3V

Miscellaneous

  • Low power consumption
  • Power save and power-down mode
  • Short-to-battery detection
  • Short-to-ground detection
  • Two wire MPU serial bus interface
  • Supports real time control interface
  • Single 27MHz crystal for all operations
  • 1.2V/3.3V power supply
  • 48 Ld QFN package
  • ISL79987ARZ and ISL79988ARZ are AEC-Q100 qualified

Documentation

= Featured Documentation
Type Title Date
Datasheet - Short-form
ISL79987, ISL79988 Data Short
PDF 205 KB
Datasheet
ISL79987, ISL79988 Datasheet
Log in to Download PDF 3.33 MB
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Design & Development

ECAD Models

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Product Options

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