TVP5151PBSR - NTSC/PAL/SECAM Video Decoder | TI | 32-TQFP
Артикул: TVP5151PBSR ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 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 Обзор
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.
Аналоги без доработки для TVP5151PBSR — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с TVP5151PBSR (тот же форм-фактор и посадочное место) — отличается по Analog Supply Voltage, Output Format, Power Consumption, Video Standards.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
TVP5151PBS
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
TVP5151IPBSR
✅ Прямая замена✓ В наличии
$4.35 / шт.
Открыть даташит →TVP5151IPBS
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
TVP5151PBSR Характеристики
| 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 |
| Корпус / Типоразмер | 32-TQFP (PBS), 5x5 mm |
| Тип монтажа | Surface Mount |
| Рабочая температура | 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 |
Руководство по цоколевке TVP5151PBSR в корпусе 32-tqfp (pbs), 5x5 mm
Цоколевка для TVP5151PBSR (корпус 32-tqfp (pbs), 5x5 mm). Нумерация выводов, функции и схемы подключения определены в техническом описании производителя. Обратитесь к нему для точного посадочного места и рекомендаций по пайке.
Нет подробных данных о распиновке для TVP5151PBSR.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
TVP5151PBSR подходит для 6 применениеs: 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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для TVP5151PBSR — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | 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 |
Ключевые отличия
- Ultralow power architecture optimized for battery products (против TVP5151IPBSR)
- Embedded-sync BT.656 output removes glue logic (против TVP5151PBS)
- Macrovision copy protection detection built in (против Generic video decoder ICs)
Заметки по проектированию
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.
Информация о соответствии
RoHS/REACH status not stated in the provided verified web data; confirm on the TI.com TVP5151 product quality page before procurement.
