ADV7303AKST - 6-Channel 11-Bit Video DAC | Analog Devices
MPN: ADV7303AKST ✓ Hoạt độngADV7303AKST Tóm tắt
A video DAC is a mixed-signal semiconductor that converts digitally represented image data into analog television signals. The ADV7303AKST belongs to the video encoder and DAC hierarchy: it accepts digital video information, performs required signal generation, and provides six analog output channels. This integration can reduce the component count and board area in systems that previously required separate video-output converter stages.
The principal identified feature is six 11-bit DACs. Each converter provides a defined digital resolution for multiformat standard-definition, progressive-scan, and HDTV video generation. The device also supports PAL and NTSC video standards according to component listings, while its 64-LQFP package provides 64 electrical terminals for power, control, digital data, clocking, and analog-output connections.
At the system level, the six outputs allow a single encoder to serve several analog video destinations or support multi-channel signal generation. The 11-bit converter resolution provides a more detailed digital-to-analog transition than lower-resolution video output stages, while the multiformat architecture allows the same encoder family to address different television standards and progressive-scan equipment.
Typical applications include broadcast television equipment, SD and HDTV video production systems, professional video routers, television signal processing, monitoring infrastructure, and multichannel video test equipment. System integrators should verify signal timing, output standard configuration, DAC output levels, filtering, and synchronization against the manufacturer’s complete interface and application information before releasing production hardware.
A critical implementation consideration is that video output quality depends on the complete analog path, not only on the nominal DAC resolution. Keep output routing short, maintain a controlled ground reference, and implement the manufacturer-recommended power and bypass networks close to the device. Because no single replacement was confirmed for this exact package and function, board compatibility should be established through schematic and pin-level review rather than assumed from a similar device description.
The ADV7303AKST provides a compact six-channel video-output solution for systems requiring multiformat analog television generation. Its six 11-bit DACs, SD and progressive-scan capability, HDTV positioning, and 64-LQFP integration distinguish it from discrete video DAC arrangements and help reduce board complexity when a single multi-output encoder is preferable to separate converter channels.
Bộ thay thế dễ dàng lắp đặt cho ADV7303AKST — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Không có bộ thay thế dễ dàng lắp đặt sẵn có cho sản phẩm này.
Yêu cầu các bộ thay thếADV7303AKST Tỷ lệ tối đa & tính chất điện
| Product Type | Multiformat video encoder with DACs |
| Number of DACs | 6 channels |
| DAC Resolution | 11 bit per channel |
| Supported Video Formats | SD, progressive scan, and HDTV |
| Supported Video Standards | PAL and NTSC |
| Supply Voltage Options | 2.5 V or 3.3 V |
| Hộp | 64-lead LQFP |
| Package Body Size | 10 mm x 10 mm |
| Kiểu lắp đặt | Surface mount |
| Terminal Count | 64 terminals |
| Seated Height | 1.6 mm |
| Device Category | Encoders, decoders, and converters |
| Analog Output Type | Six 11-bit video DAC outputs |
Hướng dẫn cấu hình chân ADV7303AKST 10 mm x 10 mm
Cấu hình chân cho ADV7303AKST (10 mm x 10 mm gói). Thành phần số hiệu này có chân đầu vào, đầu ra và nguồn cung cấp. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết cấu hình chân bù, bù trừ và chân kích hoạt. Hoàn hảo cho điều kiện tín hiệu và mạch khuếch đại.
Không có dữ liệu chân cụ thể sẵn có cho ADV7303AKST.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
ADV7303AKST phù hợp cho 6 Áp dụngs: Broadcast Television Encoding, HDTV Video Production, Professional Video Routing, Television Signal Monitoring, Video Test and Measurement, SD and Progressive-Scan Video Infrastructure.
Broadcast Television Encoding
The ADV7303AKST fits broadcast encoding equipment that must generate several PAL or NTSC analog video outputs from digital source material. Its six 11-bit DAC channels consolidate multiple analog output stages into one 64-lead LQFP device, while multiformat SD and progressive-scan support gives integrators one platform for conventional interlaced and progressive workflows. The system should configure each channel and output level through the manufacturer-documented controls, then validate timing, pedestal, and signal amplitude using the target television format.
HDTV Video Production
ADV7303AKST is suitable for professional HDTV production equipment requiring high-resolution digital-to-analog conversion and multiple video outputs. Each of its six converters provides 11-bit resolution, giving the output stage more numerical granularity than lower-bit alternatives. Six channels also support monitoring, reference generation, multiview, and record paths within one encoder package. Production equipment should verify clock synchronization, source-format mapping, output filtering, and compliance across the complete video timing chain before deployment.
Professional Video Routing
The ADV7303AKST can reduce component count in professional video routers that need several PAL, NTSC, progressive-scan, or HDTV-format analog outputs. Six 11-bit DACs make it possible to place multiple encoded channels behind one encoder rather than repeating separate converter packages. Router designers should evaluate signal integrity from the digital source through each analog output, maintain consistent grounding across the video section, and confirm that cable and termination loads satisfy the manufacturer output recommendations.
Television Signal Monitoring
ADV7303AKST is appropriate for television monitoring and test equipment that must present several video formats for operator or automated inspection. The integrated six-channel DAC structure supports multi-output benches without requiring six separate video-output ICs, while support for multiformat SD, progressive-scan, and HDTV operation broadens the formats that can be generated. Practical implementations should define calibration procedures for output level and timing and should verify that each monitored channel uses the correct configuration and termination.
Video Test and Measurement
The six 11-bit DAC outputs of ADV7303AKST make the device useful in video test and measurement systems that generate multiple analog outputs for DUT characterization. Multiformat SD, progressive-scan, and HDTV capability enables a bench platform to cover several signal classes with one encoder. Test-system designers should characterize output amplitude, timing, channel-to-channel consistency, and termination sensitivity using their actual fixtures. Automatic test software should also treat DAC configuration and clock synchronization as part of the instrument calibration sequence.
SD and Progressive-Scan Video Infrastructure
ADV7303AKST fits legacy and transitional video infrastructure that must support standard-definition, progressive-scan, and HDTV signals through a common multiformat encoder. Its six integrated 11-bit converters allow several analog outputs to be generated from one mixed-signal package, which can simplify rack-panel and board layouts. For reliable deployment, verify the incoming digital format, pixel and synchronization timing, output filters, and grounding strategy. This is especially important when the system carries multiple outputs through long PCB routes or external video cabling.
Dữ liệu tham khảo kỹ thuật cho ADV7303AKST — 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 |
|---|---|
| Package | 64-lead LQFP, 10 mm x 10 mm |
| Brand | Analog Devices |
| Device Type | Multiformat video encoder with DACs |
| Number of DACs | 6 channels |
| — | 11 bit per channel |
| Video Support | SD, progressive scan, and HDTV |
| Video Standards | PAL and NTSC |
| Supply Voltage | 2.5 V or 3.3 V |
| Mounting Type | Surface mount |
| Terminal Count | 64 terminals |
Bảo phân biệt quan trọng
- Six integrated high-resolution DAC channels (vsA single-channel video DAC design)
- One package supports several television formats (vsA format-specific discrete encoder arrangement)
- Integrated encoding and analog output (vsA separate digital encoder plus external DAC stages)
Ghi chú thiết kế
Route the six analog video outputs as short and symmetrically as practical, with continuous grounds beneath the device and around the output network. Keep external video filtering and termination components close to their associated DAC outputs to reduce parasitic distortion. The 10 mm by 10 mm 64-lead LQFP package has closely spaced terminals, so assembly stencil design, solder-paste volume, and reflow profile should be validated for the exact board stack-up.
Use the power architecture and bypass arrangement specified in the Analog Devices manufacturer datasheet, placing high-frequency decoupling components directly beside the supply and ground terminals. Separate video-output return paths from noisy digital and clocking areas where the layout permits. Verify startup sequencing across 2.5 V and 3.3 V operating configurations because incorrect rail ordering can prevent reliable register access or cause analog outputs to remain outside their expected state.
Treat video timing, pixel clock, synchronization, and analog output paths as one signal-integrity system. Use controlled-impedance routing where digital interfaces operate at high clock rates, provide uninterrupted reference planes, and avoid routing synchronous signals beneath noisy DAC return paths. Confirm output levels, timing margins, channel synchronization, and termination behavior with the production load because cable and equipment impedance can materially affect analog video amplitude and edge quality.
Thông tin tuân thủ
Compliance status must be confirmed from the current Analog Devices product documentation and applicable declaration records. The ADV7303AKST is an industrial video encoder rather than an automotive-qualified device.
