ADV7182WBCPZ - 10-Bit 4-Channel SDTV Video Decoder | Analog Devices
MPN: ADV7182WBCPZ ✗ پایان تولیدADV7182WBCPZ نمای کلی
A video decoder is a signal-chain IC inside the broader video processing hierarchy: composite or component analog video enters the device, is sampled by an internal analog-to-digital converter, demodulated and color-decoded, and is delivered as digital pixel data to a host processor, scaler, or encoder. Video decoders sit between legacy analog AV infrastructure and modern digital video pipelines, and they typically fall under interface and video processing ICs rather than generic data converters.
Key features of the ADV7182 include one 10-bit ADC with 4x oversampling per channel for CVBS, Y/C, and YPrPb operation, four analog input channels with on-chip antialiasing filtering, and support for fully differential, pseudo-differential, and single-ended CVBS video inputs. Analog input range extends up to 4 V, and the decoded output is compatible with the 8-bit ITU-R BT.656 serial interface format. A host I2C interface provides register control, and the device automatically detects and locks to the incoming video standard.
Architecturally, the device integrates analog front end, ADC, demodulator, color processing, and digital output in one silicon die, which removes the need for external sync separators and separate A/D stages. Automatic standard detection means the same board supports NTSC, PAL, and SECAM sources without firmware changes, and the 4:2:2 output format drops chroma resolution by half while preserving full luma detail, matching the expected data rate of the ITU-R BT.656 link.
Typical applications include professional broadcast and studio equipment, industrial video inspection and machine vision cameras, security and surveillance camera control paths, automotive infotainment rear-view camera decoding, video walls and matrix switchers, and legacy CVBS-to-digital video gateways where an eight-bit digital output stream is required.
A key design consideration is that the ADV7182 is flagged by Analog Devices as not recommended for new designs, so new programs should confirm the current recommended decoder family before committing to a new PCB footprint. The 32-LFCSP footprint also demands careful routing of the differential analog video inputs away from digital clocks and switching regulators.
This page consolidates the manufacturer data sheet highlights, drop-in replacement options within the same 32-LFCSP footprint, interface and package guidance, and practical application notes so that engineers can qualify or replace the part without first rebuilding the full design context.
جایگزین‌های drop-in برای ADV7182WBCPZ — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای ADV7182WBCPZ (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package.
ADV7182A
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
ADV7280WBCPZ
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ADV7391BCPZ
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←ADV7182WBCPZ-RL
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
ADV7182CBCPZ
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
ADV7182WBCPZ مشخصات
| Product Type | 10-Bit SDTV Video Decoder with Differential Inputs |
| ADC Resolution | 10-bit |
| Oversampling | 4x per channel (CVBS, Y/C, YPrPb) |
| Analog Video Input Channels | 4 |
| Supported Video Standards | NTSC, PAL, SECAM |
| Supported Input Formats | CVBS (composite), Y/C (S-Video), YPrPb (component) |
| Input Architecture | Fully differential, pseudo-differential, and single-ended CVBS video inputs |
| Maximum Analog Input Voltage | up to 4 V |
| Anti-Aliasing Filter | On-chip |
| Output Pixel Format | 4:2:2 component video |
| Serial Output Format | 8-bit ITU-R BT.656 |
| Host Control Interface | I2C |
| بسته‌بندی | 32-LFCSP (5x5 mm) |
| نوع نصب | Surface Mount |
| MSL | 3 (168 hours) |
| RoHS Compliance | RoHS3 Compliant |
| REACH Status | REACH Unaffected |
| Datasheet Revision | Rev. C |
| Datasheet Length | 96 pages |
| Product Lifecycle Recommendation | Not recommended for new designs |
راهنمای پیکربندی پین ADV7182WBCPZ 32-lfcsp (5x5 mm)
پیکربندی پین برای ADV7182WBCPZ (پکیج 32-lfcsp (5x5 mm)). شماره‌گذاری پایه‌ها، عملکردها و نمودارهای اتصال در دیتاشیت سازنده تعریف شده است. برای footprint دقیق و دستورالعمل‌های لحیم‌کاری به آن مراجعه کنید.
داده پین‌آوت تفصیلی موجود نیست برای ADV7182WBCPZ.
به دیتاشیت برای پیکربندی کامل پین‌ها.
کاربردهای معمول
ADV7182WBCPZ مناسب است برای 6 کاربردs: Broadcast Studio and Professional Video Monitoring, Industrial Machine Vision and Video Inspection, Security and Surveillance Camera Control, Automotive Infotainment and Rear-View Camera Decoding, Video Wall and Matrix Switcher Infrastructure, Legacy CVBS to Digital Video Gateway.
Broadcast Studio and Professional Video Monitoring
The ADV7182WBCPZ suits professional monitoring and studio preview chains where legacy analog composite or component feeds still arrive from cameras and distribution frames. Its single 10-bit ADC running at 4x oversampling per channel, combined with on-chip anti-aliasing filtering across four analog input channels, lets one decoder serve several sources without an external analog mux, and the 4:2:2 output over the 8-bit ITU-R BT.656 interface drops directly into frame grabs, waveform monitors, and rasterizers. A key trade-off is that the ITU-R BT.656 link carries only 8-bit parallel pixel data, so a full 10-bit internal pipeline is truncated at the output stage; the extra internal resolution helps capture headroom and gain alignment, but downstream gains must assume 8-bit accuracy.
پیشنهادی
Industrial Machine Vision and Video Inspection
Machine vision cameras and inspection cells that still deliver composite or S-Video baseband benefit from the ADV7182WBCPZ because the four independent analog input channels with on-chip anti-aliasing filters allow multiple camera outputs to be decoded on a single board. The decoder automatically detects NTSC, PAL, or SECAM, so a plant running mixed standards does not need separate decoders per camera, and the differential input architecture suits the balanced coax runs typical of industrial camera cabling. The practical constraint is the analog front end: because the accepted input range extends only to about 4 V, industrial sites with long unshielded cable runs generally need attenuation, clamping, and surge protection ahead of the decoder to keep transients out of the ADC.
پیشنهادی
Security and Surveillance Camera Control
In surveillance camera control units and DVR front ends, the ADV7182WBCPZ recovers the analog composite stream from legacy cameras and hands the host a clean digital video path over ITU-R BT.656, isolating the processor from baseband timing problems. Automatic NTSC/PAL/SECAM detection matters most here, since install sites mix camera vintages and standards without documentation. Because the decoder runs four analog channels from one ADC, it also reduces the analog mux count in multi-camera DVRs, cutting board area compared with discrete decoder-per-camera designs. The design trade-off is the not-recommended-for-new-designs status: for new surveillance platforms, verify the current recommended decoder family, while for maintaining installed equipment the part remains a practical support solution.
پیشنهادی
Automotive Infotainment and Rear-View Camera Decoding
Automotive head units that accept legacy CVBS camera feeds rely on the ADV7182WBCPZ to convert the composite signal into a digital stream the infotainment SoC can process for display and recording. The fully differential or pseudo-differential input configuration suits the shielded twisted-pair cabling used in vehicle camera links, and the wide supported input format set keeps the design flexible across NTSC and PAL camera variants. The device is supplied in a compact 32-LFCSP (5x5 mm) package, which matters when board area behind the head unit is constrained. The key constraint for automotive work is that the ADV7182 is flagged as not recommended for new designs, so production programs should confirm the currently recommended decoder family and the applicable AEC-Q100 grade before releasing a design.
پیشنهادی
Video Wall and Matrix Switcher Infrastructure
Video wall controllers and matrix switcher backplanes that must ingest multiple analog sources use the ADV7182WBCPZ to decode up to four analog inputs into digital streams that the switch fabric routes to displays. The single 10-bit ADC with 4x oversampling and on-chip anti-aliasing filtering is valuable in rack-mounted systems where a separate analog front end card per source would be costly. Decoded 4:2:2 data over ITU-R BT.656 also matches the parallel pixel interfaces typical of scaler and FPGA video pipelines in this equipment class. The trade-off is the fixed 8-bit parallel output word, which limits chroma and luma quantization at the link, so applications requiring full 10-bit color depth need an SDRAM capture path downstream rather than relying on the byte-parallel output.
پیشنهادی
Legacy CVBS to Digital Video Gateway
Gateway and converter products that bridge aging analog video infrastructure to modern IP pipelines fit the ADV7182WBCPZ well, because the decoder takes composite or S-Video in and delivers a standard 4:2:2 ITU-R BT.656 stream that can be captured by small FPGAs or application processors. The 32-LFCSP (5x5 mm) footprint is compact enough for half-width plug-in cards and small edge appliances, and the four input channels allow one board to serve quad CVBS sources for a multi-camera gateway. Designers should note that the decoder does not perform scaling or de-interlacing; those functions remain in downstream logic, which means the gateway still needs its own scaler or an FPGA performing that work. Automatic standard detection also removes the need for user-selectable region settings in installed gateways.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای ADV7182WBCPZ — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | ADV7182A | ADV7280WBCPZ | ADV7391BCPZ | ADV7182WBCPZ-RL | ADV7182CBCPZ |
|---|---|---|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Package | 32-LFCSP (5x5 mm) | 32-LFCSP (5x5 mm) - same footprint | 32-LFCSP (5x5 mm) - same footprint | 32-LFCSP (5x5 mm) - same footprint | 32-LFCSP (5x5 mm) - same footprint | 32-LFCSP (5x5 mm) - same footprint |
| Device Type | Video Decoder | Video Decoder | Video Decoder | Video Encoder | Video Decoder | Video Decoder |
تفاوت‌های کلیدی
- Direct same-pinout, software-compatible migration path (در مقابلADV7182A)
- Four analog channels decoded by one 10-bit ADC (در مقابلADV7182WBCPZ-RL)
- Receive-side decoder with differential input support (در مقابلADV7391BCPZ)
- Automatic worldwide standard detection (در مقابلADV7280WBCPZ)
یادداشت‌های طراحی
Route the differential analog video inputs as a tightly coupled pair over a continuous ground plane, keep via count to a minimum, and avoid stubs. The on-chip anti-aliasing filter acts on the signal after it reaches the pins, so any noise injected into the traces upstream of the ADC cannot be recovered later. Place the input network and the decoder as close together as possible and keep the analog video nets away from switching regulator inductors, clock lines, and parallel data buses.
Separate the analog and digital supply rails and join their returns at a single point near the device so that ADC reference currents do not share a path with digital switching noise. Terminate unused supply pins as shown in the data sheet, and place bulk and high-frequency decoupling capacitors directly at the supply pins. Because the accepted analog input range extends only to about 4 V, size any input attenuator or clamp network so that hot-plug and surge transients on unprotected coax inputs never exceed that limit.
Estimated: with a 5 mm x 5 mm LFCSP on a 4-layer board, the exposed ground pad is the primary heat path, and typical dissipation for a single active 10-bit ADC in this class of device stays below about 1 W. Providing a full pad with a grid of thermal vias to the ground plane keeps the junction rise modest without any external heatsink. Verify the real dissipation using the data sheet power dissipation table for your analog and digital supply voltages before locking the thermal design.
Do not assume that the internal 10-bit pipeline means a 10-bit output. The serial interface delivers an 8-bit ITU-R BT.656 word, so downstream gain alignment must be designed for 8-bit accuracy. Also do not omit the I2C firmware step: the decoder does not lock to a standard until it is configured, and a board that powers up without the host writing the register sequence will show no valid video even though the analog path is correct.
اطلاعات انطباق
Listed as RoHS3 compliant and REACH unaffected with MSL 3 (168 hours). AEC-Q100 grade, lead-free status, halogen-free status, and conflict-minerals declarations are not stated in the available product information and are therefore recorded as unknown.
