Video ICs

TVP5151PBSR

TVP5151PBSR - NTSC/PAL/SECAM Video Decoder | TI | 32-TQFP

The Texas Instruments TVP5151PBSR is an ultralow-power NTSC/PAL/SECAM video decoder that converts analog composite video signals into 8-bit ITU-R BT.656 digital video with embedded syncs, housed in a 32-pin TQFP (PBS) 5x5 mm package operating from 0C to +70C. A video decoder is a mixed-signal interface IC that sits at the front end of a video capture system, digitizing analog composite (CVBS) or S-Video signals so that a host processor, DSP, or video encoder can process them. Within the signal-chain hierarchy, it belongs to the video decoder family of interface ICs, bridging the analog broadcast world and the digital video processing domain. Key features include programmable output formats - 8-bit 4:2:2 with embedded syncs (ITU-R BT.656) or 8-bit 4:2:2 with discrete syncs - Macrovision copy protection detection, and complementary four-line adaptive comb filtering for both luminance and chrominance paths to reduce cross-luminance and cross-chrominance artifacts. A chrominance trap filter is also available as an alternative to comb filtering. The optimized architecture achieves ultralow power consumption, making the device especially suitable for battery-powered systems. A Genlock/real-time control (RTC) output is generated for synchronizing downstream video encoders, which simplifies the design of capture-and-display pipelines. Analog supply operates from 1.65V to 1.95V, and an I2C serial interface programs all decoder functions including input selection, contrast, brightness, saturation, and hue. Typical applications include cell phones and PDAs with video-in capability, portable media players and recorders, security/surveillance capture front ends, and set-top-box analog input ports. The 5x5 mm TQFP footprint suits space-constrained portable designs. Design consideration: the ultralow-power supply rails are tight (1.65V-1.95V analog core); plan a clean 1.8V LDO rail and follow the datasheet decoupling recommendations to preserve decoder signal-to-noise performance on the analog inputs. This page synthesizes distributor pricing, drop-in alternative data, and practical design notes not found in the manufacturer datasheet.