ADV7129KS - 360 MHz Triple 8-Bit Video DAC | Analog Devices
部品番号: ADV7129KS ✓ 生産中ADV7129KS 概要
A video DAC is a digital-to-analog converter specifically optimized for reconstructing analog red, green, and blue video signals from digital pixel data. Within the broader hierarchy of DAC → converter IC → data-conversion semiconductor, it combines parallel digital input, color conversion, clock generation, reference circuitry, and three analog output channels in one monolithic device. This integration reduces the component count and simplifies synchronization in professional video, graphics, and imaging equipment.
The ADV7129KS supports 360 MHz operation in 24-bit true-color mode and uses an 8:1 input multiplexing arrangement. Its programmable 192-bit pixel port accommodates different pixel organizations, while the internal voltage reference and onboard PLL reduce external support circuitry. The DAC-to-DAC matching specification is typically 2% and is adjustable to 0.02%, according to the manufacturer datasheet.
The three 8-bit converters produce separate red, green, and blue analog outputs from shared pixel data. Eight-to-one multiplexing allows a compact digital interface to feed the high-speed converters, and the onboard PLL provides clocking from an external reference. The S-304 package is a 304-lead PQFP, and the ordering guide identifies ADV7129KS for the 0°C to +70°C temperature range.
Typical uses include high-resolution graphics systems, medical imaging, professional video equipment, digital signage, broadcast monitoring, and industrial imaging. The integrated reference and PLL are particularly useful where component count, synchronization, and analog-output matching matter more than low cost or minimal power consumption.
When designing around this DAC, preserve the high-speed pixel and clock routing implied by the 304-pin PQFP footprint and use controlled-impedance PCB layout. Differential clocking, short analog traces, suitable grounding, and decoupling close to the supply pins are essential for dependable output performance at the device's 360 MHz capability.
This page combines verified manufacturer specifications, distributor pricing, same-package replacement analysis, and practical PCB guidance to support component selection and board-level implementation.
ドロップイン代替品: ADV7129KS — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
この製品に利用可能なドロップイン代替品はありません。
代替品をリクエストADV7129KS 最大定格＆電気的特性
| Product Type | Triple 8-bit true-color video DAC |
| Maximum Pixel Clock | 360 MHz |
| True-Color Resolution | 24 bit |
| Pixel Port Width | 192 bit |
| Supported Screen Resolution | 2048 x 2048 at 24-bit true color |
| DAC Configuration | Triple 8-bit DAC |
| Input Multiplexing | 8:1 |
| Clocking | Onboard PLL |
| Analog Output Standard | RS-343A and RS-170 compatible |
| Digital Input Compatibility | TTL compatible |
| Internal Voltage Reference | Yes |
| DAC-to-DAC Matching | 2% typical, adjustable to 0.02% |
| 電源電圧 | +5 V |
| Process Technology | CMOS monolithic construction |
| パッケージ | 304-lead PQFP (S-304) |
| 実装タイプ | Surface mount |
| 動作温度 | 0°C to +70°C |
ADV7129KS 304-lead pqfp (s-304) ピン配置ガイド
ADV7129KS (304-lead pqfp (s-304) パッケージ) のピン配置。 このアナログコンポーネントは、入力、出力、および電源ピンを備えています。オフセットナル、補償、イネーブルピンの設定については、メーカーのデータシートを参照してください。信号調整やアンプ回路に最適です。
詳細なピン配置データはありません: ADV7129KS.
詳細は データシート をご参照ください。
主な用途
ADV7129KS の用途: 6 件s: High-Resolution Professional Graphics, Digital Medical Imaging, Broadcast Video Monitoring, Industrial Machine Vision, Digital Signage and Test Equipment, Imaging Workstation Display Cards.
High-Resolution Professional Graphics
The ADV7129KS fits legacy professional graphics systems that require a high-speed RGB DAC rather than a general-purpose converter. According to the Analog Devices datasheet, its 360 MHz operation, 24-bit true-color mode, programmable 192-bit pixel port, and triple 8-bit converters support resolution up to 2048 × 2048. It can sit between the graphics engine and analog display interface while the onboard PLL and internal reference reduce external support components. The principal tradeoff is the large 304-lead PQFP footprint and specialized +5 V architecture, which make it less attractive for modern compact display designs.
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Digital Medical Imaging
The ADV7129KS is technically suited to imaging architectures that convert parallel pixel data into three analog color channels, particularly where an established high-resolution video subsystem already uses its interface. The 360 MHz pixel rate, 24-bit true-color operation, programmable 192-bit port, internal reference, and onboard PLL allow substantial graphics functionality to be consolidated in one CMOS device. For medical equipment, engineers must independently validate image integrity, electromagnetic behavior, system risk controls, and temperature requirements because the verified data does not provide medical certification or AEC-Q100 qualification.
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Broadcast Video Monitoring
The ADV7129KS can generate RS-343A/RS-170-compatible red, green, and blue analog outputs for legacy broadcast monitoring, production, and test equipment. Its 360 MHz operating rate and triple 8-bit converter architecture support high-resolution true-color graphics, while the 8:1 multiplexing and programmable pixel port simplify the digital interface. The internal reference and onboard PLL also reduce component count compared with a discrete DAC and clock arrangement. Engineers should budget board area for the 304-lead PQFP and verify the exact analog output topology and loading requirements against the manufacturer datasheet.
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Industrial Machine Vision
The ADV7129KS is applicable to legacy machine-vision and industrial imaging controllers that need synchronized RGB analog output at high pixel rates. Its programmable 192-bit pixel port and 8:1 multiplexing can receive structured pixel data, while the onboard PLL and internal voltage reference simplify clocking and calibration. The 360 MHz capability and 24-bit true-color operation distinguish it from general-purpose DACs. However, the 0°C to +70°C ordering option limits environmental range, and industrial enclosure temperature, noise immunity, and long-term availability should be checked before production release.
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Digital Signage and Test Equipment
The ADV7129KS can provide legacy analog display drive in digital signage test systems, video test equipment, and graphics diagnostic platforms. Its triple 8-bit DACs support separate color outputs, and the 360 MHz rate enables high-resolution test patterns without requiring three unrelated converters. The internal voltage reference and onboard PLL are useful when repeatable system setup matters. The design tradeoff is that this is a specialized 304-lead PQFP part with a +5 V supply, so modern signage systems using LVDS or HDMI interfaces generally gain more from a display-interface controller than from an analog RGB DAC.
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Imaging Workstation Display Cards
The ADV7129KS is appropriate for legacy imaging workstation graphics cards that still require an analog RGB output at very high pixel rates. The manufacturer describes support for 2048 × 2048 at 24-bit true color, backed by a 192-bit programmable pixel port, 8:1 multiplexing, and 360 MHz operation. Consolidating three converters, the reference, and PLL into one device can simplify a multichannel video card. Designers should preserve the package's high pin count, use careful return-path planning, and confirm connector-level impedance and timing because those implementation details are not fully quantified in the supplied excerpts.
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おすすめ製品の概要
エンジニアリング参考データ: ADV7129KS — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 |
|---|---|
| Package | 304-lead PQFP (S-304) |
| Brand | Analog Devices |
| Maximum Pixel Clock | 360 MHz |
| True-Color Resolution | 24 bit |
| Pixel Port Width | 192 bit |
| DAC Configuration | Triple 8-bit DAC |
| Input Multiplexing | 8:1 |
| Clocking | Onboard PLL |
| Supply Voltage | +5 V |
| Operating Temperature | 0°C to +70°C |
設計ノート
The 360 MHz pixel rate makes return-path continuity and impedance control essential. Route clock and pixel nets as short, matched, controlled-impedance traces, avoid stubs and unnecessary layer transitions, and provide uninterrupted ground planes beneath high-speed regions. The 304-lead PQFP provides many supply and ground connections, but the supplied excerpt does not specify the pin-level assignment, so the complete Analog Devices datasheet must be used for every pad-level layout decision.
Use the manufacturer's recommended +5 V decoupling network and place the components physically close to the associated PQFP power pins. Separate high-current return paths from sensitive analog reference and output returns where the package permits. The verified data confirms a +5 V CMOS supply but omits current, power dissipation, and thermal resistance; estimate those values from the official datasheet before determining whether copper area or external thermal management is sufficient.
Keep the three analog video outputs away from high-speed digital routing and clocks, and terminate them in the impedance required by the connected RS-343A/RS-170 interface. If the outputs require filtering, account for component tolerance and the DAC's specified DAC-to-DAC matching, which is typically 2% and adjustable to 0.02%. Use measurement equipment with adequate bandwidth to validate rise time and channel skew after layout.
Do not substitute a generic DAC solely because it offers three channels or a similar maximum clock rate. Compatibility depends on the 192-bit pixel organization, 8:1 multiplexing scheme, programmable interface, onboard PLL, internal reference, analog output behavior, package footprint, and exact pinout. Also account for the manufacturer statement that this specialized part is not automatically available to order and should be confirmed with a local sales office.
コンプライアンス情報
The verified excerpts do not state RoHS, REACH, lead-free, halogen-free, or conflict-minerals status. No AEC-Q100 qualification evidence is provided; the verified ordering guide identifies the ADV7129KS as a 0°C to +70°C commercial-temperature option.
