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Specifications
SKU: 477196
Digital Video Encoder
| Parameter | Description | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (Vcc) | Operating voltage range | 4.5 | - | 5.5 | V |
| Power Consumption | Typical power consumption at 5V | - | 350 | - | mW |
| Video Input Range | Differential input range for video signals | 0.2 | - | 1.0 | Vpp |
| Video Output Swing | Output swing for video signals | 0.5 | - | 1.0 | Vpp |
| Sync Level | Sync level relative to blanking level | -0.3 | - | -0.3 | V |
| Chroma Gain | Adjustable gain for chrominance signal | 0.5 | 1.0 | 1.5 | - |
| Luminance Bandwidth | Bandwidth for luminance signal | 6 | - | 8 | MHz |
| Chrominance Bandwidth | Bandwidth for chrominance signal | 3 | - | 4 | MHz |
| AGC Range | Automatic Gain Control range | 0 | - | 30 | dB |
| S/N Ratio (Video) | Signal-to-noise ratio for video | 50 | - | 60 | dB |
| S/N Ratio (Audio) | Signal-to-noise ratio for audio | 60 | - | 70 | dB |
| Audio Output Level | Line output level for audio | 0.5 | - | 2.0 | Vrms |
| Audio Frequency Response | Frequency response for audio | 20 | - | 20 | kHz |
| Operating Temperature | Range of operating temperatures | -40 | - | 85 | °C |
| Storage Temperature | Range of storage temperatures | -55 | - | 125 | °C |
Instructions for Using SAA7129H
Power Supply:
- Ensure the supply voltage is within the range of 4.5V to 5.5V.
- Connect the power supply to the Vcc pin and ground to the GND pin.
Video Input:
- Connect the video input signals to the appropriate pins (e.g., CVBS, Y/C, RGB).
- Ensure the input signal levels are within the specified range (0.2Vpp to 1.0Vpp).
Video Output:
- Connect the video output signals to the desired output pins (e.g., CVBS, Y/C, RGB).
- Adjust the chroma gain if necessary using the provided control.
Sync Level:
- The sync level is fixed at -0.3V relative to the blanking level.
Chroma Gain Adjustment:
- Use the chroma gain control to adjust the chrominance signal strength between 0.5 and 1.5.
Luminance and Chrominance Bandwidth:
- Set the bandwidth for luminance and chrominance signals as required (luminance: 6-8MHz, chrominance: 3-4MHz).
AGC Range:
- The AGC range can be adjusted from 0 to 30dB to optimize signal quality.
Audio Input and Output:
- Connect the audio input signals to the appropriate pins.
- The line output level for audio is adjustable between 0.5Vrms and 2.0Vrms.
- Ensure the frequency response is within the 20Hz to 20kHz range.
Temperature Considerations:
- Operate the device within the temperature range of -40°C to 85°C.
- Store the device within the temperature range of -55°C to 125°C.
Signal-to-Noise Ratio:
- Monitor the S/N ratio for both video and audio to ensure optimal performance (video: 50-60dB, audio: 60-70dB).
General Handling:
- Handle the device with care to avoid damage to the pins and internal components.
- Follow all recommended guidelines for ESD protection during handling and installation.
Inquiry - SAA7129H
