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SAA7114H
Consumer device
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SAA7114H 數據表
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詳細說明
The SAA7114 is a video capture device for applications at the image port of Video Graphics Array (VGA) controllers. The SAA7114 is a combination of a two-channel analog preprocessing circuit includingsource selection, anti-aliasing filter and Analog-to-Digital Converter (ADC), an automatic clamp and gain control, a Clock Generation Circuit (CGC), a digital multistandard decoder containing two-dimensional chrominance/luminance separation by an adaptive comb filter and a high performance scaler, including variable horizontal and vertical up and downscaling and a brightness, contrast and saturation control circuit. Features■ Six analog inputs, internal analog source selectors, e.g. 6 × CVBS or (2 × Y/C and 2 × CVBS) or (1 × Y/C and 4 × CVBS)■ Two analog preprocessing channels in differential CMOS style inclusive built-in analog anti-alias filters■ Fully programmable static gain or Automatic Gain Control (AGC) for the selected CVBS or Y/C channel■ Automatic Clamp Control (ACC) for CVBS, Y and C■ Switchable white peak control■ Two 9-bit video CMOS ADCs, digitized CVBS or Y/C signals are available on the expansion port■ On-chip line-locked clock generation in accordance with “ITU 601”■ Digital Phase-Locked Loop (PLL) for synchronization and clock generation from all standards and non-standard video sources e.g. consumer grade VTR■ Requires only one crystal (32.11 MHz or 24.576 MHz) for all standards■ Horizontal and vertical sync detection■ Automatic detection of 50 Hz and 60 Hz field frequency, and automatic switching between PAL and NTSC standards■ Luminance and chrominance signal processing for PAL B, G, D, H, I and N, combination PAL N, PAL M, NTSC M, NTSC-Japan, NTSC 4.43 and SECAM■ Adaptive 2/4-line comb filter for two dimensional chrominance/luminance separation:◆ Increased luminance and chrominance bandwidth for all PAL and NTSC standards◆ Reduced cross color and cross luminance artefacts■ PAL delay line for correcting PAL phase errors■ Independent Brightness Contrast Saturation (BCS) adjustment for decoder part■ User programmable sharpness control■ Independent gain and offset adjustment for raw data pathApplication■ Desktop video■ Multimedia■ Digital television■ Image processing■ Video phone applications
主要特徵
- Six analog inputs, internal analog source selectors, e.g. 6 × CVBS or (2 × Y/C and 2 × CVBS) or (1 × Y/C and 4 × CVBS) Two analog preprocessing channels in differential CMOS style inclusive built-in analog anti-alias filters Fully programmable static gain or Automatic Gain Control (AGC) for the selected CVBS or Y/C channel Automatic Clamp Control (ACC) for CVBS, Y and C Switchable white peak control Two 9-bit video CMOS ADCs, digitized CVBS or Y/C signals are available on the expansion port On-chip line-locked clock generation in accordance with “ITU 601” Digital Phase-Locked Loop (PLL) for synchronization and clock generation from all standards and non-standard video sources e.g. consumer grade VTR Requires only one crystal (32.11 MHz or 24.576 MHz) for all standards Horizontal and vertical sync detection Automatic detection of 50 Hz and 60 Hz field frequency, and automatic switching between PAL and NTSC standards Luminance and chrominance signal processing for PAL B, G, D, H, I and N, combination PAL N, PAL M, NTSC M, NTSC-Japan, NTSC 4.43 and SECAM Adaptive 2/4-line comb filter for two dimensional chrominance/luminance separation: Increased luminance and chrominance bandwidth for all PAL and NTSC standards Reduced cross color and cross luminance artefacts PAL delay line for correcting PAL phase errors Independent Brightness Contrast Saturation (BCS) adjustment for decoder part User programmable sharpness control Independent gain and offset adjustment for raw data path
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Rohs Code | Yes | Part Life Cycle Code | Transferred |
| Reach Compliance Code | HTS Code ! | 8542.39.00.01 | |
| JESD-30 Code | S-PQFP-G100 | JESD-609 Code | e3 |
| Number of Terminals | 100 | Operating Temperature-Max | 70 °C |
| Operating Temperature-Min | Package Body Material | PLASTIC/EPOXY | |
| Package Code | QFP | Package Equivalence Code | QFP100,.63SQ,20 |
| Package Shape | SQUARE | Package Style | FLATPACK |
| Power Supplies ! | 3.3 V | Qualification Status ! | Not Qualified |
| Surface Mount ! | YES | Technology | CMOS |
| Temperature Grade ! | COMMERCIAL | Terminal Finish | Matte Tin (Sn) |
| Terminal Form ! | GULL WING | Terminal Pitch ! | 0.5 mm |
| Terminal Position | QUAD |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is SAA7114H?
The SAA7114H is a video input processor designed by NXP Semiconductors (formerly Philips Semiconductors). It is commonly used in video capture and processing applications, such as surveillance systems, video converters, and digital video recorders.
How Does SAA7114H Work?
The SAA7114H processes incoming analog video signals from various sources, such as cameras or VCRs, and converts them into digital data. It incorporates features like image enhancement, color processing, and synchronization to ensure high-quality video output. The processor is versatile and can handle multiple video formats and resolutions.
How Many Pins does SAA7114H have and What are the Functions of the Pinout Configuration?
The SAA7114H is typically available in a 80-pin PQFP (Plastic Quad Flat Package) package. The pinout configuration includes:
- VD: Decoupling supply voltage pins.
- VDD: The digital supply voltage pin.
- VDDA: The analog supply voltage pin.
- XTI, XTO: Crystal oscillator pins for clock generation.
- YINP, YINN: Analog luminance (Y) input pins.
- CINP, CINN: Analog chrominance (C) input pins.
- VSYNC, HSYNC, FIELD: Vertical sync, horizontal sync, and field ID output pins.
- SDA, SCL: I2C bus interface pins for control and configuration.
What are the Pros and Cons of SAA7114H?
Pros:
- Video Processing Capabilities: Offers comprehensive video processing features for high-quality output.
- Compatibility: Supports multiple video formats and resolutions for versatile applications.
- Integrated Functions: Includes image enhancement and synchronization functions for simplified system design.
- I2C Interface: Easy control and configuration through the I2C bus interface.
- Reliable Manufacturer: Designed by NXP Semiconductors, a reputable semiconductor company.
Cons:
- Complexity: May require expertise in video processing for optimal configuration and usage.
- Package Size: The 80-pin PQFP package may be large for space-constrained designs.
- Power Consumption: Depending on the application, power consumption may be a consideration.
Are There Any Equivalents/Alternatives to SAA7114H for Recommendation?
- The ADV7280 from Analog Devices is a comparable video input processor with similar functionalities.
- Alternatives to the SAA7114H include the TW9900 from Intersil and the MAX9526 from Maxim Integrated.
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