Simplified Block Diagram
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- Low Operating Voltage
- Internal Y/C Summer with Chroma Mute Capability
- AC- or DC-Coupled Inputs
- AC- or DC-Coupled Outputs
- Output Buffer Drives Two Terminated 75Ω Video Coax Cables
- SAG Correction Allows for Small Output Capacitors
- Low-Power Standby, 0.5µA at 3.0V
- CCD Cameras
- Digital Cameras
- Portable Media Players
- Security Cameras
The MAX11503 features include chroma mute, power save, and SAG correction. Chroma mute disables the chroma buffer. If the device is used to combine Y and C signals in a camera application, the chroma mute may be used in low-light situations. This removes all chroma including burst which causes a downstream composite video decoder to interpret the video signal as luminance only, thus improving image quality. SAG correction allows small output capacitors to be used in AC-coupled output applications.
The MAX11503 operates from a single 2.7V to 5.25V supply, is specified over the extended -40°C to +85°C temperature range, and is available in a small 8-pin µMAX® package.