TVP5151PBSR - NTSC/PAL/SECAM Video Decoder | TI | 32-TQFP
Référence : TVP5151PBSR ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $3.33 | $3,33 |
| 10 | $3 | $30,00 |
| 100 | $2.7 | $270,00 |
| 500 | $2.45 | $1 225,00 |
| 1 000 | $2.2 | $2 200,00 |
TVP5151PBSR Présentation
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.
Alternatives de remplacement direct pour TVP5151PBSR — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec TVP5151PBSR (même facteur de forme et même empreinte) — différant par Analog Supply Voltage, Output Format, Power Consumption, Video Standards.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
TVP5151PBS
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
TVP5151IPBSR
✅ Remplacement direct✓ En stock
$4.35 / unité
Voir la fiche technique →TVP5151IPBS
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
TVP5151PBSR Spécifications
| Type | Video Decoder |
| Video Standards | NTSC / PAL / SECAM |
| Output Format | 8-bit ITU-R BT.656 (4:2:2 embedded sync) or 4:2:2 discrete sync |
| Applications | Cell Phones, PDA, Players |
| Analog Supply Voltage | 1.65 V to 1.95 V |
| Output Interface | 8-bit parallel video with I2C control |
| Special Features | Macrovision copy protection detection, adaptive comb filter, Genlock/RTC output |
| Boîtier / Format | 32-TQFP (PBS), 5x5 mm |
| Type de montage | Surface Mount |
| Température de fonctionnement | 0C to +70C |
| Control Interface | I2C serial interface |
| Sync Output | Embedded syncs or discrete syncs; Genlock/RTC output |
| Power Consumption | Ultralow power (optimized architecture) |
| Color Filtering | Four-line adaptive comb filter; optional chroma trap filter |
Guide de configuration des broches du TVP5151PBSR 32-tqfp (pbs), 5x5 mm
Configuration des broches du TVP5151PBSR (boîtier 32-tqfp (pbs), 5x5 mm). La numérotation des broches, les fonctions et les schémas de connexion sont définis dans la fiche technique du fabricant. Consultez-la pour l'empreinte exacte et les directives de soudage.
Aucune donnée de brochage détaillée disponible pour TVP5151PBSR.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
TVP5151PBSR convient pour 6 applications: Cell Phone Video Input, Portable Media Players and Recorders, Security and Surveillance Capture Front Ends, Set-Top Box Analog Input Port, PDA and Handheld Capture Accessories, Industrial Video Monitoring Equipment.
Cell Phone Video Input
In camera-phone and smartphone designs with an analog video-in path, the TVP5151PBSR digitizes NTSC/PAL/SECAM CVBS from accessory sources such as external cameras or composite inputs into 8-bit ITU-R BT.656 with embedded syncs, feeding the baseband or application processor directly without external sync logic. Its optimized architecture delivers ultralow power consumption, a decisive factor for battery-operated handsets, and the 5x5 mm 32-TQFP (PBS) package minimizes PCB area inside slim form factors. The I2C control interface allows the host to adjust brightness, contrast, saturation, and hue under software control.
Recommandé
Portable Media Players and Recorders
Handheld media players and pocket video recorders accept composite video from external sources, and the TVP5151PBSR is explicitly targeted at 'players' applications in the TI datasheet. The decoder converts the analog input into 8-bit 4:2:2 with embedded or discrete syncs for direct connection to a compression engine or memory interface. Four-line adaptive comb filtering on both luminance and chrominance paths reduces cross-luminance and cross-chrominance artifacts, improving recorded picture quality on real-world broadcast signals. Macrovision copy protection detection supports compliance requirements, and the Genlock/RTC output synchronizes downstream video encoders during playback pipelines.
Recommandé
Security and Surveillance Capture Front Ends
Analog CCTV cameras output NTSC/PAL composite video, and surveillance DVR front ends use the TVP5151PBSR to convert these signals into 8-bit BT.656 streams for compression and network transmission. The decoder's complementary four-line adaptive comb filter suppresses dot crawl and cross-color artifacts typical of broadcast signals, delivering cleaner frames before H.264-class encoding. Its commercial 0C to +70C rating suits indoor NVR equipment; outdoor installations should use the industrial-grade TVP5151IPBSR variant, which is pin-to-pin compatible. Multi-channel systems instantiate one decoder per channel, each controlled via a shared I2C bus with distinct addresses.
Recommandé
Set-Top Box Analog Input Port
Set-top boxes and TV front-end boards retain composite and S-Video inputs for legacy sources, and the TVP5151PBSR provides the mixed-signal bridge between those analog inputs and the digital video processing SoC. The programmable output format - ITU-R BT.656 with embedded syncs or 4:2:2 with discrete syncs - matches common SoC video input interfaces without glue logic. The Genlock/real-time control output synchronizes downstream video encoders for pass-through viewing, minimizing latency and frame tearing. Macrovision detection enforces copy protection policy at the input stage, a standard requirement for consumer STB certification.
Recommandé
PDA and Handheld Capture Accessories
PDAs and handheld terminals that accept composite video from document cameras, inspection scopes, or vehicle rear-view sources use the TVP5151PBSR as the capture front end. Ultralow power operation preserves battery runtime in always-ready capture modes, while the 32-TQFP (PBS) 5x5 mm footprint fits compact handheld main boards. The I2C host interface programs input selection and image controls, and the embedded-sync BT.656 output connects to processor video-in ports with a minimal 8-bit data bus plus clock - fewer traces than wider YCbCr interfaces, easing routing on high-density portable layouts.
Recommandé
Industrial Video Monitoring Equipment
Test instrumentation, machine-vision retrofits, and industrial monitors that still ingest analog composite video benefit from the TVP5151PBSR's deterministic BT.656 output and simple I2C integration. For deployments outside the standard part's 0C to +70C range - factory floors, unheated cabinets, outdoor panels - the pin-compatible TVP5151IPBSR industrial variant should be specified instead, requiring no PCB change. The discrete-sync output mode supports host processors lacking embedded-sync parsing, and the adaptive comb filter improves readability of on-screen text overlays from legacy cameras. Decoupling per the datasheet power recommendations preserves noise margin near motor drives and switching supplies.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour TVP5151PBSR — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | TVP5151PBS | TVP5151IPBSR | TVP5151IPBS |
|---|---|---|---|---|
| Package | 32-TQFP (PBS) 5x5 mm | 32-TQFP (PBS) - same | 32-TQFP (PBS) - same | 32-TQFP (PBS) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Video Standards | NTSC / PAL / SECAM | NTSC / PAL / SECAM | NTSC / PAL / SECAM | NTSC / PAL / SECAM |
| Output Format | 8-bit ITU-R BT.656 / 4:2:2 discrete sync | 8-bit ITU-R BT.656 / 4:2:2 discrete sync | 8-bit ITU-R BT.656 / 4:2:2 discrete sync | 8-bit ITU-R BT.656 / 4:2:2 discrete sync |
| Analog Supply | 1.65 V to 1.95 V | 1.65 V to 1.95 V | 1.65 V to 1.95 V | 1.65 V to 1.95 V |
| Operating Temperature | 0C to +70C | 0C to +70C | Extended industrial range (per TI datasheet) | Extended industrial range (per TI datasheet) |
| Packing Format | Tape & Reel | Tray | Tape & Reel | Tray |
| Macrovision Detection | Yes | Yes | Yes | Yes |
Principaux différenciateurs
- Ultralow power architecture optimized for battery products (vs TVP5151IPBSR)
- Embedded-sync BT.656 output removes glue logic (vs TVP5151PBS)
- Macrovision copy protection detection built in (vs Generic video decoder ICs)
Notes de conception
The TVP5151PBSR analog core requires 1.65V to 1.95V per the datasheet and distributor listings; design a dedicated low-noise 1.8V rail using an LDO rather than sharing a buck rail with digital loads. Place 10uF bulk plus 0.1uF ceramic capacitors at each supply pin as close to the 32-TQFP body as possible. Estimated: a shared rail with 100 mV of switching ripple directly degrades CVBS capture signal-to-noise, since the analog front end rejects it by only the device's intrinsic PSRR. Follow the datasheet power-supply decoupling section for pin-specific values.
Keep the composite video input traces short, matched, and referenced to a continuous ground plane; route them away from the 8-bit BT.656 output bus and its clock, whose simultaneous switching injects noise into the high-impedance analog front end. Use 75-ohm input termination with AC coupling as shown in the datasheet typical application circuit. The exposed 5x5 mm TQFP has a center thermal pad region - connect it to ground per the TI layout guideline to reduce ground bounce on the digital outputs.
Three frequent mistakes with this family: (1) operating the commercial-grade TVP5151PBSR below 0C in outdoor equipment - specify the pin-compatible TVP5151IPBSR industrial variant instead; (2) assuming the TVP5151IZQC 48-pin PBGA variant is interchangeable - it is a different package and footprint, requiring PCB rework; (3) omitting the I2C address strap configuration when instantiating multiple decoders on one control bus, which causes bus contention at power-up. Always re-read the register map in the latest TI datasheet revision before porting firmware from the older TVP5150.
Informations de conformité
RoHS/REACH status not stated in the provided verified web data; confirm on the TI.com TVP5151 product quality page before procurement.
