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Specifications
SKU: 766652
PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC comb filter, VBI-data slicer and high performance scalerPAL/NTSC 、VBIPAL/NTSC/SECAM
| Parameter | Symbol | Min | Typ | Max | Unit | Description |
|---|---|---|---|---|---|---|
| Supply Voltage | VCC | 4.5 | 5.0 | 5.5 | V | Power supply voltage |
| Standby Current | ISB | - | 2 | 3 | mA | Current consumption in standby mode |
| Operating Current | IOP | 80 | 100 | 120 | mA | Current consumption in operating mode |
| Input Video Level | VIN | 0.2 | 0.7 | 1.0 | Vpp | Peak-to-peak input video level |
| Input Impedance | ZIN | 1 | 1 | 1 | kΩ | Input impedance |
| Output Video Level | VOUT | 0.5 | 0.7 | 1.0 | Vpp | Peak-to-peak output video level |
| Output Impedance | ZOUT | 75 | 75 | 75 | Ω | Output impedance |
| Chrominance Bandwidth | BWC | 3.5 | 4.5 | 5.5 | MHz | Chrominance bandwidth |
| Luminance Bandwidth | BWL | 5.5 | 6.5 | 7.5 | MHz | Luminance bandwidth |
| Signal-to-Noise Ratio | SNR | 50 | 55 | 60 | dB | Signal-to-noise ratio in dB |
| Differential Gain | DG | -1 | 0 | 1 | % | Differential gain error |
| Differential Phase | DP | -1 | 0 | 1 | ° | Differential phase error |
| Temperature Range | Toper | -40 | - | 85 | °C | Operating temperature range |
| Storage Temperature | Tstg | -65 | - | 150 | °C | Storage temperature range |
Instructions for SAA7114H
Power Supply:
- Connect the VCC pin to a 5V power supply.
- Ensure the power supply is stable and within the specified range (4.5V to 5.5V).
Standby Mode:
- To enter standby mode, set the STBY pin to a high level.
- The current consumption will drop to approximately 2-3mA.
Operating Mode:
- To operate the device, set the STBY pin to a low level.
- The current consumption will be around 100mA.
Input Video Connection:
- Connect the video input signal to the appropriate input pins (VIN).
- Ensure the input signal level is within the range of 0.2Vpp to 1.0Vpp.
Output Video Connection:
- Connect the video output signal from the appropriate output pins (VOUT).
- Ensure the output load impedance is 75Ω.
Chrominance and Luminance Bandwidth:
- The chrominance bandwidth is typically 4.5MHz and the luminance bandwidth is 6.5MHz.
- Adjust the bandwidth settings if necessary using the provided control registers.
Signal-to-Noise Ratio:
- The SAA7114H has a typical SNR of 55dB.
- Use shielding and proper grounding to maintain this performance.
Differential Gain and Phase:
- The differential gain and phase errors should be minimized to ensure accurate color reproduction.
- Check and adjust these parameters using the control registers if needed.
Temperature Considerations:
- The operating temperature range is -40°C to 85°C.
- Store the device in a temperature range of -65°C to 150°C.
Control Registers:
- Use the I2C interface to configure the control registers.
- Refer to the datasheet for detailed register maps and configuration settings.
Grounding and Shielding:
- Ensure proper grounding and shielding to minimize noise and interference.
- Use shielded cables for input and output connections.
Testing and Verification:
- Test the device with known good signals to verify correct operation.
- Use an oscilloscope to monitor the input and output signals for proper levels and quality.
Inquiry - SAA7114H
