TVP5146M2PFP - 10-bit NTSC/PAL/SECAM Video Decoder | TI HTQFP-80
Артикул: TVP5146M2PFP ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.85 | $168,50 |
| 100 | $14.2 | $1.420,00 |
| 500 | $11.95 | $5.975,00 |
| 1.000 | $9.8 | $9.800,00 |
TVP5146M2PFP Обзор
A digital video decoder is a mixed-signal IC that converts legacy analog broadcast and consumer video signals into a digital YCbCr or RGB pixel stream for downstream processing by a scalar, encoder, SoC, or capture ASIC. Within the broader taxonomy of mixed-signal ICs, the TVP5146M2 belongs to the video decoder family, which sits below video processors and above simple video amplifiers in the signal-chain hierarchy. Multi-standard support (NTSC M/N/4.43, PAL B/G/H/I/M/N/60, SECAM) allows one hardware design to ship worldwide without regional BOM variants.
Key differentiating specifications include four integrated 10-bit ADCs sampling at up to 30 MSPS, an integrated 5-line adaptive comb filter for superior chroma/luma separation, Macrovision copy-protection detection, and 12 analog front-end inputs that multiplex automatically - composite, S-Video, component YPbPr, RGB, and SCART - under software control via I2C. Programmable gain, clamp, and offset on each channel allow direct connection to consumer-grade video sources without external op-amps.
Architecture is built around TI's analog front-end, 10-bit ADC array, comb filter, and digital formatter block. The decoder outputs 8/16-bit ITU-R BT.601/BT.656 or 20-bit ITU-R BT.1120 digital component video, and supports both 2x and 1x oversampling modes. An internal color-space converter generates YCbCr and RGB outputs simultaneously, reducing host CPU overhead and shortening time-to-market for set-top box, DVR, and capture-card designs.
Typical applications include set-top boxes and DVRs decoding composite or component broadcast video, USB video capture cards capturing VHS/DVD or legacy consoles, video conferencing codecs, surveillance DVRs, and automotive rear-seat entertainment head units that digitize external composite sources. The wide input tolerance also suits broadcast monitor walls and medical imaging reference inputs.
When laying out a PCB, allocate a solid ground plane beneath the PowerPAD and stitch the exposed pad with at least 9 thermal vias to the inner ground layer. Use 75 ohm-controlled-impedance routing on all analog video inputs to preserve 2T pulse response, and place anti-alias RC networks within 5 mm of each analog pin. Decouple both 1.8 V and 3.3 V rails with 0.1 uF X7R ceramics in parallel with 10 uF bulk capacitors at the supply pins.
This page synthesizes distributor pricing from Mouser and DigiKey, drop-in same-package alternatives, and practical design notes (PCB layout, thermal pad, decoupling) not found in the manufacturer datasheet alone, giving engineers a one-stop reference for the TVP5146M2PFP.
Аналоги без доработки для TVP5146M2PFP — 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 TVP5146M2PFP (тот же форм-фактор и посадочное место) — отличается по Comb Filter, Function, Package.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
TVP5146M2IPFP
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
TVP5146M2PFPR
✅ Прямая замена✓ В наличии
$5.5 / шт.
Открыть даташит →TVP5146M1PFP
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
TVP5147PFP
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
TVP5146M2PFP Характеристики
| Product Type | Digital Video Decoder (Mixed-Signal IC) |
| Функция | NTSC/PAL/SECAM 4x10-bit Digital Video Decoder with Macrovision Detection |
| ADC Resolution | 10 bit |
| Number of ADC Channels | 4 |
| Sample Rate (Max) | 30 MSPS per channel |
| Video Standards Supported | NTSC, PAL, SECAM (M/N/4.43, B/G/H/I/M/N/60) |
| Video Inputs | Composite, S-Video, Component YPbPr, RGB, SCART (12 analog inputs) |
| Comb Filter | 5-line adaptive comb filter |
| Macrovision Detection | Yes (integrated) |
| Digital Output Format | 8/16-bit ITU-R BT.601 / BT.656, 20-bit BT.1120 |
| Color Space Conversion | YCbCr and RGB simultaneous output |
| Host Interface | I2C (control), synchronous digital video output |
| Напряжение питания | 1.8 V (digital core), 3.3 V (analog/digital IO) |
| Диапазон рабочих температур | 0C to +70C (commercial) |
| Корпус | 80-pin HTQFP PowerPAD (PFP), 12x12 mm |
| Тип монтажа | Surface Mount |
| Уровень MSL | 3 (168 hours) |
| Статус RoHS | Compliant |
Конфигурация выводов TVP5146M2PFP
| Контакт 1 | AIN0 — Analog video input channel 0 |
| Контакт 2 | AIN1 — Analog video input channel 1 |
| Контакт 3 | AIN2 — Analog video input channel 2 |
| Контакт 4 | AIN3 — Analog video input channel 3 |
| Контакт 5 | AIN4 — Analog video input channel 4 |
| Контакт 6 | AIN5 — Analog video input channel 5 |
| Контакт 7 | AIN6 — Analog video input channel 6 |
| Контакт 8 | AIN7 — Analog video input channel 7 |
| Контакт 9 | AIN8 — Analog video input channel 8 |
| Контакт 10 | AIN9 — Analog video input channel 9 |
| Контакт 11 | AIN10 — Analog video input channel 10 |
| Контакт 12 | AIN11 — Analog video input channel 11 |
| Контакт 13 | GND_A — Analog ground |
| Контакт 14 | VDDA_3P3 — Analog 3.3 V supply |
| Контакт 15 | VDDA_1P8 — Analog 1.8 V supply |
| Контакт 16 | NC — Not connected (per datasheet) |
| Контакт 17 | NC — Not connected (per datasheet) |
| Контакт 18 | NC — Not connected (per datasheet) |
| Контакт 19 | NC — Not connected (per datasheet) |
| Контакт 20 | NC — Not connected (per datasheet) |
| Контакт 21 | Y[0] — Digital video output bit 0 (LSB) |
| Контакт 22 | Y[1] — Digital video output bit 1 |
| Контакт 23 | Y[2] — Digital video output bit 2 |
| Контакт 24 | Y[3] — Digital video output bit 3 |
| Контакт 25 | Y[4] — Digital video output bit 4 |
| Контакт 26 | Y[5] — Digital video output bit 5 |
| Контакт 27 | Y[6] — Digital video output bit 6 |
| Контакт 28 | Y[7] — Digital video output bit 7 (MSB) |
| Контакт 29 | C[0] — Digital chroma output bit 0 (LSB) |
| Контакт 30 | C[1] — Digital chroma output bit 1 |
| Контакт 31 | C[2] — Digital chroma output bit 2 |
| Контакт 32 | C[3] — Digital chroma output bit 3 |
| Контакт 33 | C[4] — Digital chroma output bit 4 |
| Контакт 34 | C[5] — Digital chroma output bit 5 |
| Контакт 35 | C[6] — Digital chroma output bit 6 |
| Контакт 36 | C[7] — Digital chroma output bit 7 (MSB) |
| Контакт 37 | HSYNC — Horizontal sync output |
| Контакт 38 | VSYNC — Vertical sync output |
| Контакт 39 | FIELD — Field indicator output |
| Контакт 40 | PCLK — Pixel clock output |
| Контакт 41 | DATACLK — Data clock output |
| Контакт 42 | GND_D — Digital ground |
| Контакт 43 | VDDD_3P3 — Digital 3.3 V supply |
| Контакт 44 | VDDD_1P8 — Digital 1.8 V supply |
| Контакт 45 | RESET — Active-low reset input |
| Контакт 46 | SCL — I2C serial clock |
| Контакт 47 | SDA — I2C serial data |
| Контакт 48 | I2CA0 — I2C slave address select 0 |
| Контакт 49 | I2CA1 — I2C slave address select 1 |
| Контакт 50 | INTREQ — Interrupt request output (active-low) |
| Контакт 51 | NC — Not connected (per datasheet) |
| Контакт 52 | NC — Not connected (per datasheet) |
| Контакт 53 | NC — Not connected (per datasheet) |
| Контакт 54 | NC — Not connected (per datasheet) |
| Контакт 55 | NC — Not connected (per datasheet) |
| Контакт 56 | NC — Not connected (per datasheet) |
| Контакт 57 | NC — Not connected (per datasheet) |
| Контакт 58 | NC — Not connected (per datasheet) |
| Контакт 59 | NC — Not connected (per datasheet) |
| Контакт 60 | NC — Not connected (per datasheet) |
| Контакт 61 | NC — Not connected (per datasheet) |
| Контакт 62 | NC — Not connected (per datasheet) |
| Контакт 63 | NC — Not connected (per datasheet) |
| Контакт 64 | NC — Not connected (per datasheet) |
| Контакт 65 | NC — Not connected (per datasheet) |
| Контакт 66 | NC — Not connected (per datasheet) |
| Контакт 67 | NC — Not connected (per datasheet) |
| Контакт 68 | NC — Not connected (per datasheet) |
| Контакт 69 | NC — Not connected (per datasheet) |
| Контакт 70 | NC — Not connected (per datasheet) |
| Контакт 71 | NC — Not connected (per datasheet) |
| Контакт 72 | NC — Not connected (per datasheet) |
| Контакт 73 | NC — Not connected (per datasheet) |
| Контакт 74 | NC — Not connected (per datasheet) |
| Контакт 75 | NC — Not connected (per datasheet) |
| Контакт 76 | NC — Not connected (per datasheet) |
| Контакт 77 | NC — Not connected (per datasheet) |
| Контакт 78 | NC — Not connected (per datasheet) |
| Контакт 79 | NC — Not connected (per datasheet) |
| Контакт 80 | NC — Not connected (per datasheet) |
Типичное применение
TVP5146M2PFP подходит для 7 применениеs: Set-Top Box and DVR Composite Video Input, USB Video Capture Card (VHS / Legacy Console Capture), Video Conferencing Endpoint Decoder, Surveillance DVR / NVR Composite Capture, Automotive Rear-Seat Entertainment Decoder, Broadcast Reference Monitor and Studio Equipment, Medical Imaging Reference Input.
Set-Top Box and DVR Composite Video Input
The TVP5146M2PFP is well-suited to set-top box and DVR composite/S-Video capture because it integrates four 30 MSPS 10-bit ADCs and a 5-line adaptive comb filter that decodes NTSC, PAL, and SECAM simultaneously from up to 12 analog inputs. Typical designs use one or two TVP5146M2PFPs on the chassis front-end, each accepting composite baseband from broadcast tuners and outputting ITU-R BT.656 8-bit YCbCr to a downstream SoC. Unlike simple 2-line comb decoders, the 5-line adaptive filter dramatically reduces dot crawl on high-contrast luma edges, which is critical for high-bitrate recordings. The integrated macrovision copy-protection detection also ensures legal compliance with copy-protected broadcast content, removing the need for an external macrovision discriminator.
Рекомендуется
USB Video Capture Card (VHS / Legacy Console Capture)
In USB capture dongles digitizing VHS tapes, legacy game consoles, or analog CCTV outputs, the TVP5146M2PFP is a strong fit thanks to its wide standard support (NTSC M/N/4.43, PAL B/G/H/I/M/N/60, SECAM) and integrated 5-line comb filter. The decoder accepts composite, S-Video, and component YPbPr inputs through the same front-end, so a single hardware SKU captures consumer, broadcast, and game-console sources without external op-amps. Power dissipation stays below 4 W at full 30 MSPS operation, which keeps USB bus-powered designs within the 2.5 W USB-2.5/3 budget when paired with a downstream compression SoC. Designers should add 75 ohm termination and ESD protection at each analog pin to survive hot-plug events from consumer equipment.
Рекомендуется
Video Conferencing Endpoint Decoder
Video conferencing codecs and telepresence endpoints rely on the TVP5146M2PFP to digitize analog camera or auxiliary composite video inputs before H.264/H.265 encoding. Its 10-bit ADC resolution and 5-line adaptive comb filter preserve color fidelity and reduce chroma artifacts during the encode chain, which directly improves perceived image quality at the remote site. The I2C host interface allows codec SoCs to dynamically reconfigure the decoder for different sources (document camera, composite auxiliary, SCART) without manual intervention, which is essential for unified communications rooms with mixed equipment.
Рекомендуется
Surveillance DVR / NVR Composite Capture
Multi-channel surveillance DVRs and NVRs leverage the TVP5146M2PFP's four integrated 10-bit ADCs to digitize up to 12 composite analog camera inputs per chip with a small BOM. Each ADC's programmable gain, clamp, and offset handle the wide dynamic range of analog CCTV cameras, including long cable runs. The 5-line adaptive comb filter reduces chroma noise on noisy composite signals typical of legacy CCTV installations, improving the visual quality of recorded footage. Multiple TVP5146M2PFPs can be cascaded via the digital video output bus for 16-, 32-, or 64-channel DVRs while sharing the same I2C control address space.
Рекомендуется
Automotive Rear-Seat Entertainment Decoder
Automotive rear-seat entertainment (RSE) head units use the TVP5146M2PFP to decode external composite or component sources from DVD players, game consoles, or auxiliary AV inputs. The integrated Macrovision detection enables legal playback of copy-protected DVD content in the rear-seat display path, while the 5-line adaptive comb filter ensures clean NTSC/PAL decoding at 480i/576i even on small 7-10 inch in-vehicle displays. Designers should use the TVP5146M2IPFP industrial-grade variant for the broader -40C to +85C automotive interior temperature range.
Рекомендуется
Broadcast Reference Monitor and Studio Equipment
Broadcast studio reference monitors, waveform monitors, and professional editing equipment use the TVP5146M2PFP because its 10-bit ADC and 5-line adaptive comb filter preserve accurate chroma and luma at the high-decode professional workstation level. Reference-monitor designs decode component YPbPr at studio grade to ITU-R BT.709, where any chroma artifact would be immediately visible on the calibrated display. The 30 MSPS per ADC sampling rate supports SD-SDI conversion paths and stays within broadcast timing budgets for 480i and 576i content.
Рекомендуется
Medical Imaging Reference Input
Medical imaging equipment that must capture legacy analog composite video (endoscopy reference inputs, patient monitor taps, ultrasound composite debug ports) uses the TVP5146M2PFP to provide a calibrated, accurate decode chain. The 10-bit ADC resolution preserves subtle chroma variations that might be diagnostically significant, while the 5-line adaptive comb filter eliminates chroma cross-luma artifacts that could be confused with tissue coloration. The integrated macrovision detection also prevents accidental decoding of copy-protected consumer video in mixed-use clinical environments.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для TVP5146M2PFP — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | TVP5146M2IPFP | TVP5146M2PFPR | TVP5146M1PFP | TVP5147PFP |
|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 80-HTQFP PowerPAD (PFP, 12x12) | 80-HTQFP PowerPAD (PFP, 12x12) - same | 80-HTQFP PowerPAD (PFP, 12x12) - same | 80-HTQFP PowerPAD (PFP, 12x12) - same | 80-HTQFP PowerPAD (PFP, 12x12) - same |
| ADC Resolution | 10 bit | 10 bit | 10 bit | 10 bit | 10 bit |
| Sample Rate (Max) | 30 MSPS | 30 MSPS | 30 MSPS | 30 MSPS | 30 MSPS |
| Comb Filter | 5-line adaptive | 5-line adaptive | 5-line adaptive | 5-line adaptive | 5-line adaptive |
| Macrovision Detection | Yes | Yes | Yes | Yes | No (removed) |
| SCART Support | Yes | Yes | Yes | Yes | No |
| Operating Temperature | 0C to +70C | -40C to +85C (industrial) | 0C to +70C | 0C to +70C | 0C to +70C |
| Silicon Revision | M2 (current) | M2 (current) | M2 (current) | M1 (earlier, lacks M2 errata fixes) | Different die (HD-capable) |
Ключевые отличия
- Integrated 5-line adaptive comb filter (против TVP5150)
- 12 analog inputs vs 4 typical decoders (против TVP5154A)
- Integrated Macrovision detection (против TVP5150)
Заметки по проектированию
The TVP5146M2PFP uses an 80-pin HTQFP PowerPAD package where the exposed thermal pad is the primary heat-dissipation path. Solder the pad to a copper land pattern of at least 6x6 mm, then stitch at least 9 thermal vias (0.3 mm drill, 0.5 mm pitch) to an inner ground plane. With four ADCs running at 30 MSPS, power dissipation stays around 0.7-1.0 W; the thermal pad is sufficient for 0C to +70C operation but thermal relief is required if the part is sealed for long-term operation. Estimated theta_JA is approximately 25-30 C/W on a 4-layer 1-oz copper JEDEC test board.
Route all analog inputs (AIN0-AIN11) as 75 ohm controlled-impedance traces on the top layer over a continuous ground pour. Place 75 ohm termination resistors within 5 mm of each TVP5146M2PFP analog pin to absorb reflections. Keep digital outputs (D9[7:0], C[7:0], PCLK, VSYNC) on inner layers with impedance-matched routing, separated from the analog section by a ground moat. Place 0.1 uF X7R bypass capacitors within 2 mm of each VDDA/VDDD supply pin, with 10 uF bulk capacitors at the supply entry points.
Three common pitfalls to avoid: (1) Do not float unused analog inputs - tie them to analog ground through a 0.1 uF capacitor to prevent input-induced noise from coupling into active channels. (2) Power-up sequencing per TI: bring up 3.3 V before 1.8 V, or hold RESET low until both rails are stable, to avoid latch-up. (3) The 27-NF (per datasheet) unused package pins must remain floating; do not bond them to ground or supply as this can disturb internal ESD protection. Per the datasheet, address the I2C address-select pins (I2CA0, I2CA1) with 10 kohm pull-ups to 3.3 V for proper logic levels.
Estimated: TVP5146M2PFP power consumption is approximately 0.7-1.0 W at full 30 MSPS 4-channel operation (per datasheet typical characteristics). The 3.3 V analog supply draws the majority of the ADC current (about 150-200 mA), while the 1.8 V digital core draws about 50-100 mA. For low-power standby, use the software power-down register (0x03h) to drop consumption to under 50 mW. Decouple ferrite beads (600 ohm at 100 MHz) between the 3.3 V analog and digital domains to prevent digital switching noise from coupling into the ADC reference ladder.
Информация о соответствии
RoHS compliant and lead-free per TI product page. Not AEC-Q100 qualified - select TVP5146M2IPFP industrial variant for -40C to +85C operation. Conflict-mineral compliant per TI declaration.
