ADV7301AKST - 12-Bit Video Encoder | Analog Devices
料号： ADV7301AKST ✓ 量产中ADV7301AKST 概述
A video encoder is an interface IC that converts digital video signals into analog video outputs suitable for display and broadcast equipment. This device combines digital video processing with six 12-bit digital-to-analog converters, allowing multiple analog outputs to be produced without requiring six separate external DACs. In the broader hierarchy, it belongs to the video interface and signal-conversion IC category, combining video encoding, DAC output, and analog-video generation in one package.
The six 12-bit DAC channels provide 4096 possible quantization levels per output, supporting detailed reconstruction of composite and component video signals. The 108 MHz processing clock supports multiformat operation identified by Analog Devices for PAL and NTSC systems. Operation from 2.5 V and 3.3 V supplies also makes the device suitable for conventional consumer and set-top-box power architectures.
The ADV7301AKST integrates encoded video generation with six NSV DAC outputs instead of separating those functions into independent components. This integration can simplify a multichannel analog-video output section, shorten interstage connections, and reduce board area. The 64-LQFP package exposes the control, digital-video, clock, power, synchronization, and analog-output functions required for a complete encoder implementation.
Typical uses include DVD players, set-top boxes, video-conversion equipment, and professional video systems that require multiple analog outputs. It is particularly relevant when a design needs PAL or NTSC-compatible analog video generation alongside a digital video source. The operating-temperature range of 0°C to 70°C targets commercial equipment rather than extended industrial or automotive environments.
The principal design consideration is board-level implementation of high-speed digital-video and analog-video signals. Controlled impedance routing, short clock paths, careful grounding, and isolation between digital switching activity and sensitive video outputs are necessary for stable picture quality. Output filtering, termination, and connector design must also follow the analog video requirements of the target system.
This product overview combines the manufacturer-defined encoder features, package information, supported standards, and application guidance with practical PCB considerations for evaluating the ADV7301AKST in multichannel analog-video equipment.
直接替换替代料： ADV7301AKST ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
ADV7300A
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ADV7301A
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ADV7301AKST 规格参数
| Product Type | Multiformat SD, progressive-scan and HDTV video encoder |
| DAC Count | 6 |
| DAC Resolution | 12 bit |
| DAC Architecture | NSV |
| Internal Processing Clock | 108 MHz |
| Supply Voltage Options | 2.5 V and 3.3 V |
| 工作温度范围 | 0°C to 70°C |
| Supported Video Standards | PAL and NTSC |
| Signal Type | Analog video output |
| Primary Applications | DVD equipment and set-top boxes |
| Package Type | 64-LQFP |
| Package Dimensions | 10 mm x 10 mm |
| 安装类型 | Surface mount |
| Terminal Count | 64 |
ADV7301AKST 10 mm x 10 mm 引脚配置指南
ADV7301AKST（10 mm x 10 mm 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： ADV7301AKST.
请参阅 数据手册 以查看完整引脚配置。
典型应用
ADV7301AKST 适用于 6 应用s: DVD Player Video Output, Set-Top Box Analog Video, Progressive-Scan Video Conversion, Multichannel Analog Video Output, Video Test and Conversion Equipment, Professional Video Interface Equipment.
DVD Player Video Output
The ADV7301AKST fits DVD-player video-output sections that require several analog signals from one encoder. Its six 12-bit NSV DACs provide 4096 quantization levels per channel, while the 108 MHz processing clock supports the multiformat operation associated with SD and progressive-scan video. The integrated converter arrangement reduces the number of separate video-DAC packages needed when composite, component, or other analog outputs are required. Use the 64-LQFP device with controlled-impedance digital routing, short clock connections, and a quiet ground reference. The 2.5 V and 3.3 V supply options align with common consumer-video logic levels, but final clocking, filtering, and connector requirements remain application-specific.
Set-Top Box Analog Video
The ADV7301AKST is appropriate for a set-top box that converts processed digital video into PAL or NTSC-compatible analog outputs. Six 12-bit NSV DAC channels allow a multi-output design to use a single encoder package rather than several discrete conversion stages. Its 108 MHz internal processing clock provides the timing resource for multiformat SD and progressive-scan operation. The 0°C to 70°C commercial temperature range suits indoor consumer equipment. PCB implementation should separate digital-video traces from sensitive analog outputs, maintain continuous ground planes, and place output-network components close to the associated DAC pins to limit pickup and signal degradation.
Progressive-Scan Video Conversion
Progressive-scan equipment requiring multiple analog outputs can use the ADV7301AKST to combine the encoder and six 12-bit DAC outputs in one 64-LQFP device. The 108 MHz processing clock is the key timing parameter for progressive-scan signal generation, while each DAC channel preserves 12-bit output resolution. Integrating the conversion functions reduces long inter-package analog connections and can improve implementation consistency. The design must still accommodate the required video standard, clock synchronization, filtering, output impedance, and connector loading. Place decoupling close to the supply terminals, route clock signals away from output circuitry, and use a defined analog return path to minimize visible artifacts.
Multichannel Analog Video Output
The ADV7301AKST fits multichannel analog-video systems because it offers six NSV 12-bit DAC outputs within one encoder package. Each channel has 4096 quantization levels, providing a consistent output resolution across the six converters. This is useful where equipment must expose several video connections while keeping the source and conversion stages synchronized. The 2.5 V and 3.3 V operating options support conventional video-system supply planning, and the 64-LQFP package provides defined access to digital inputs, clocking, control, and analog outputs. Firmware and board design must jointly define output mapping, blanking intervals, filtering, and connector termination.
Video Test and Conversion Equipment
The ADV7301AKST can serve as the core signal-generation element in compact video test and conversion equipment. Its six 12-bit DACs permit multiple analog-video outputs, while the 108 MHz processing clock supports the family's multiformat operating modes. The six-channel architecture is valuable when a test system must compare multiple outputs generated from the same digital source. Designers should preserve the specified 2.5 V or 3.3 V supply environment, keep analog output paths short, and provide stable reference and clock connections. Temperature rises above 70°C are outside the stated operating range, so ventilation or enclosure design should account for heat from surrounding signal-processing components.
Professional Video Interface Equipment
Professional video-interface equipment can use the ADV7301AKST where PAL or NTSC analog outputs are required alongside six 12-bit DAC channels. The 108 MHz processing clock and multiformat encoder architecture support integration into systems that receive digital video and generate controlled analog outputs. The 64-LQFP package is suitable for multilayer PCB assembly, although its fine-pitch leads require careful land-pattern construction and solder-profile control. Use solid ground-plane continuity, controlled impedance for digital video and clock nets, and short return paths beneath analog outputs. The commercial 0°C to 70°C range may be insufficient for outdoor or industrial deployments without additional thermal design.
工程参考数据： ADV7301AKST ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | ADV7300A | ADV7301A |
|---|---|---|---|
| Brand | Analog Devices | Analog Devices | Analog Devices |
| Package | 64-LQFP (10x10) | 64-LQFP (10x10) | 64-LQFP (10x10) |
| Product Type | Multiformat SD, progressive-scan and HDTV video encoder | ADV7300A/ADV7301A family video encoder | ADV7300A/ADV7301A family video encoder |
关键差异点
- Six integrated 12-bit DAC outputs （对比 ADV7300A)
- Complete ordering code for the identified commercial configuration （对比 ADV7301A)
- Multiformat PAL and NTSC video support （对比 ADV7300A)
设计说明
Route the 108 MHz clock and digital-video interfaces as controlled-impedance nets with short paths and continuous reference planes. Place the device close to the digital-video source and DAC output networks to minimize trace length. Avoid routing clock signals beneath the analog-output region, and maintain a low-impedance ground connection between the encoder and the video filtering stage.
Assign all 64 LQFP terminals from the manufacturer pin-description table and verify the physical pin-one orientation against the package drawing. Place input and output decoupling capacitors close to their associated supply terminals. The fine-pitch package requires an aperture and solder mask design that can be inspected after assembly to prevent bridged leads.
Keep the six analog-video outputs away from digital clock and switching-current paths, and use a quiet analog-ground strategy where appropriate. Place output resistors, filters, and termination components close to the DAC pins to minimize parasitic distortion and bandwidth loss. Validate the final video outputs for ringing, crosstalk, color shift, and synchronization jitter using the target display equipment.
The specified operating-temperature range ends at 70°C, but this is an ambient limit rather than a guarantee that the IC can safely reach that value without considering local heating. Place the 64-LQFP device away from heat-producing regulators and processors where possible, provide thermal vias beneath the exposed thermal pad if specified, and use adequate copper area for heat spreading.
Do not substitute a reel or ordering suffix without checking the complete part number, package, temperature grade, and pin configuration. Similarly, do not assume that any 64-LQFP video encoder is pin-compatible because package dimensions match. Confirm power sequencing, clock source, video standard, DAC output mapping, and analog output requirements in the manufacturer datasheet before releasing a new design.
合规信息
The listed product is a commercial-temperature video encoder rather than an automotive device. RoHS, REACH, lead-free, halogen-free, and conflict-minerals status require confirmation from the current manufacturer product documentation.
