ADV7180BSTZ - 10-Bit SDTV Video Decoder | Analog Devices
MPN: ADV7180BSTZ ✗ Cuối đờiADV7180BSTZ Tóm tắt
A video decoder is an integrated circuit that reconstructs digital luminance and chrominance data from composite or component analog video. Its role within the video signal chain is to perform analog-to-digital conversion, color demodulation, and filtering before passing standardized component data to an encoder, scaler, capture controller, or display processor. The ADV7180 supports worldwide analog television standards and produces data compatible with the 8-bit ITU-R BT.656 interface.
Key features include a 10-bit ADC with 4× oversampling for composite video, 2× oversampling for Y/C mode, and 2× oversampling for YPrPb input. Three video input channels include on-chip antialiasing filtering. The decoder provides full-featured VBI data slicing with WST teletext support, automatic standard detection, a 2-wire I2C-compatible control interface, power-down operation, and an ultralow sleep mode.
The ADV7180 architecture separates analog input conditioning, clock recovery, demodulation, and digital output stages. Its three-input architecture allows a single decoder to serve composite video and Y/C sources without changing the board layout. The 8-bit BT.656 output connects directly to many MPEG encoders, codecs, and mobile video processors. A 57.27 MSPS sampling capability supports standard-definition television conversion while the on-chip antialias filter reduces unwanted out-of-band energy before digitization.
Typical applications include analog surveillance camera capture, video-in-a-video processing, industrial inspection equipment, consumer video conversion, mobile video accessories, and broadcast monitoring. The decoder is especially useful when an existing NTSC, PAL, or SECAM source must be interfaced to an ITU-R BT.656 encoder or digital video processor.
Designers should pay particular attention to analog input termination, grounding, clock generation, I/O voltage compatibility, and register configuration. The 1.0 V analog input range leaves limited headroom for signal conditioning, so source amplitude and clamp levels must be checked against the input specification before PCB layout is released.
This page organizes lifecycle status, electrical characteristics, package details, cross-reference candidates, and practical integration considerations. It also highlights the differences between the ADV7180 and the ADV7120, ADV7123, and MAX9526 families so that legacy and redesign decisions can be made with the correct technical trade-offs.
Bộ thay thế dễ dàng lắp đặt cho ADV7180BSTZ — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
ADV7120KSTZ30-REEL
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ADV7123JST240-REEL
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MAX9526AEI/V+
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
ADV7180BSTZ Thông số kỹ thuật
| Product Type | 10-Bit, 4× Oversampling SDTV Video Decoder |
| Supported Analog Standards | NTSC, PAL, and SECAM |
| Video Input Channels | 3 channels |
| ADC Resolution | 10 bit |
| Composite Video Oversampling | 4× |
| Y/C Oversampling | 2× |
| YPrPb Oversampling | 2× per channel |
| Maximum Sampling Rate | 57.27 MSPS |
| Analog Input Signal Range | 1.0 V |
| Analog, PLL, and Digital Core Supply | 1.8 V |
| I/O Supply Range | 1.8 V to 3.3 V |
| Digital Output Interface | 8-bit ITU-R BT.656 serial, 4:2:2 component video |
| Control Interface | 2-wire serial MPU interface, I2C compatible |
| VBI Support | Full-featured VBI data slicer with WST teletext support |
| Hộp | 64-lead LQFP, 10 mm × 10 mm |
| Kiểu lắp đặt | Surface mount |
| Commercial Temperature Grade | -10°C to +70°C |
| Industrial and Automotive Temperature Grade | -40°C to +85°C |
| Power Management | Power-down mode and ultralow sleep mode current |
| Lifecycle Recommendation | Not recommended for new designs |
Hướng dẫn cấu hình chân ADV7180BSTZ 64-lead lqfp, 10 mm × 10 mm
Cấu hình chân cho ADV7180BSTZ (64-lead lqfp, 10 mm × 10 mm gói). Số thứ tự chân, chức năng và sơ đồ kết nối được xác định trong tài liệu thông số kỹ thuật của nhà sản xuất. Tham khảo nó để biết footprint và hướng dẫn hàn chính xác.
Không có dữ liệu chân cụ thể sẵn có cho ADV7180BSTZ.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
ADV7180BSTZ phù hợp cho 6 Áp dụngs: Analog Security Camera Video Capture, Video-In-A-Video Conversion, Broadcast and Teletext Monitoring, Industrial Visual Inspection Equipment, Mobile Video Accessory and Capture Adapter, Legacy Broadcast Service and Repair Equipment.
Analog Security Camera Video Capture
The ADV7180BSTZ is suitable for decoding the composite NTSC or PAL output of an analog surveillance camera before it reaches a digital capture controller. Its automatic standard detection removes the need for separate analog and digital standards configuration, while the 10-bit conversion path and 4× composite-video oversampling preserve detail for compression and recording. The 8-bit ITU-R BT.656 output can feed an encoder or DSP directly. Because the analog input range is only 1.0 V, the camera amplifier, termination, coupling network, and grounding must be designed carefully to avoid clipping and prevent switching noise from appearing as picture artifacts.
Được đề xuất
Video-In-A-Video Conversion
The ADV7180BSTZ can convert one composite source into digital component data for a video-in-a-video or picture-in-picture processing path. Its three input channels provide flexibility when the product must accept composite, Y/C, or YPrPb sources, while automatic NTSC, PAL, and SECAM detection supports equipment intended for international markets. The decoder’s BT.656 output simplifies connection to an encoder or scaling engine. Firmware must configure the active input, output timing, and embedded-control signals consistently with the downstream pipeline, and the 1.0 V analog input requirement must be checked against every source amplifier.
Được đề xuất
Broadcast and Teletext Monitoring
The ADV7180BSTZ fits professional monitoring equipment that must decode analog television signals and recover VBI data. Its full-featured VBI slicer supports WST teletext extraction in addition to picture decoding, and the automatic NTSC, PAL, and SECAM detection allows one hardware design to cover multiple broadcast standards. The decoded 4:2:2 data can be analyzed by an FPGA or codec, while SDA and SCLK provide a simple host-control path for configuration and status. Board layout should isolate the analog input path from the digital processor and provide a stable reference clock to minimize recovery errors.
Được đề xuất
Industrial Visual Inspection Equipment
The ADV7180BSTZ can serve as the standard-definition video front end in inspection systems that receive analog camera or broadcast-style composite video. The decoder’s 10-bit ADC and 4× oversampling help preserve low-level image detail before digital enhancement and measurement algorithms run downstream. Automatic standard detection simplifies equipment configuration across regions, and the BT.656 output is widely understood by FPGA and DSP platforms. For industrial use, the design must accommodate the industrial temperature option where required and maintain careful analog grounding because supply and switching noise can appear directly as vertical noise in the reconstructed image.
Được đề xuất
Mobile Video Accessory and Capture Adapter
The ADV7180BSTZ can bridge legacy analog video accessories into modern digital pipelines through its ITU-R BT.656 output. The interface is compatible with many MPEG encoders, codecs, and mobile video processors, allowing the decoder to be used in portable conversion, capture, and media-capture accessories. The low core supply of 1.8 V and selectable 1.8 V to 3.3 V I/O supply facilitate mixed-voltage integration, while ultralow sleep operation supports energy-conscious designs. Firmware must account for the device’s legacy register model and confirm that the downstream processor accepts the exact BT.656 timing and embedded-control configuration.
Được đề xuất
Legacy Broadcast Service and Repair Equipment
The ADV7180BSTZ is a practical choice for repairing and testing equipment that still receives NTSC, PAL, or SECAM video. Its automatic standard detection and VBI data slicing allow a technician to examine picture and ancillary data through a common service interface, while the 64-lead LQFP package is familiar in established broadcast electronics. The decoder also provides sleep and power-down modes that can help control consumption in portable test instruments. Because the product is not recommended for new designs, procurement should focus on maintaining existing installed equipment rather than creating additional long-term designs.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ADV7180BSTZ — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | ADV7120KSTZ30-REEL | ADV7123JST240-REEL | MAX9526AEI/V+ |
|---|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices | Maxim Integrated |
| Package | 64-lead LQFP (10 mm × 10 mm) | 64-lead LQFP (10 mm × 10 mm) | 64-lead LQFP (10 mm × 10 mm) | 64-lead LQFP (10 mm × 10 mm) |
| Product Type | 10-Bit, 4× Oversampling SDTV Video Decoder | Analog video decoder | Analog video decoder | Video processing IC |
Bảo phân biệt quan trọng
- Three analog inputs with automatic worldwide standard detection (vsADV7120KSTZ30-REEL)
- Integrated 4× composite-video oversampling and VBI slicing (vsMAX9526AEI/V+)
- Documented 1.8 V core operation with 1.8 V to 3.3 V I/O flexibility (vsADV7123JST240-REEL)
Ghi chú thiết kế
Keep the analog input route short, shielded from digital clocks, and referenced to a clean analog ground. The ADV7180 accepts a 1.0 V analog input range, so verify source amplitude, termination, coupling capacitors, and any clamping network against the input characteristic curves in the manufacturer data sheet. Place the required bypass capacitors at their associated supply pins and route the clock away from the composite-video traces.
Use the manufacturer’s 64-lead LQFP land pattern and follow the data sheet’s analog, digital, and power-ground partitioning. Separate the analog input and PLL regions from the high-speed serial output and processor bus to reduce crosstalk in the decoded image. Confirm pin 1 orientation against the package drawing before fabrication, and check the exposed thermal pathway when the decoder is placed near a warm processor.
The 8-bit ITU-R BT.656 output carries pixel data and synchronization on a continuous clock. Route SCLK and the data outputs as a controlled group, observe the data sheet’s timing limits at the receiving device, and provide series damping if reflections are visible on the digital outputs. Firmware must correctly configure the embedded-control and field/line timing conventions so that the downstream encoder does not treat valid data as unsynchronized.
Thông tin tuân thủ
The manufacturer product page and data sheet identify the product as not recommended for new designs. Explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, and conflict-minerals statements were not present in the cited product information.
