AD9502CM - RS-170 Video Digitizer | Analog Devices
料号： AD9502CM ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
AD9502CM 概述
What is a video digitizer? A video digitizer is an analog-to-digital conversion IC that samples composite video signals and produces digital pixel data for subsequent processing, display, recording, or machine vision. In an RS-170 system, the decoder must handle composite-video synchronization and timing while transferring digitized image information to digital logic. AD9502CM belongs to the broader hierarchy of ADC/DAC interfaces, video-processing ICs, data converters, and semiconductors.
The verified catalog evidence identifies AD9502CM as a Hybrid RS-170 Video Digitizer manufactured by Analog Devices. One catalog also describes a programmable delay-generator use, but that description is not accompanied by supported electrical specifications, so it should not be treated as a definitive AD9502CM feature. Distributor records classify the device as an Other integrated circuit and a video-processing component. These source classifications are retained without extrapolation.
The package is the most concrete physical information available. Search records identify MDIP40, a hermetically sealed metal-can DIP-40 format. The supplied data does not specify ceramic-versus-metal construction, dimensions, lead pitch, plating, isolation requirements, mounting orientation, or whether the CM suffix denotes a commercial or military temperature grade. Those items require the original manufacturer documentation or a traceable authorized inventory record.
Legacy RS-170 equipment remains the clearest use case. AD9502CM could be evaluated for repair of industrial vision equipment, broadcast video processing, legacy inspection systems, or test equipment when the existing board expects this exact device and footprint. Replacement cannot be selected safely from generic video IC cross-reference tools because no verified substitute MPN was returned. Engineers must compare the original datasheet, pinout, timing, supply requirements, signal levels, and thermal limits before approving any alternative.
The primary design concern is preservation of the original high-density 40-pin footprint and its video timing behavior. Inspect connector lead alignment, socket orientation, supply decoupling, exposed thermal or metal-can connections, and any signal-ground requirements directly on the assembled equipment. Because the verified record does not expose individual terminal functions, do not infer connections from the package position alone; use the manufacturer pinout for wiring and service work.
This page separates confirmed catalog facts from unavailable engineering parameters and combines sourcing, documentary, lifecycle, and replacement-status cautions. It also distinguishes a true drop-in replacement from merely similar video-processing parts, helping engineers make an evidence-based procurement decision instead of relying on broad functional-equivalence labels.
AD9502CM 最大额定值与电气特性
| Product Type | Hybrid RS-170 video digitizer |
| Manufacturer | Analog Devices |
| 功能 | Video digitizer |
| Video Signal | RS-170 |
| Device Class | Consumer IC: Other |
| Catalog Classification | Video processing IC |
| Package Type | DIP-40 |
| Alternate Package Description | MDIP40 |
| Package Construction | Hermetically sealed metal can |
| 引脚数量 | 40 pins |
| 安装方式 | Through-hole |
| Analog Input Interface | RS-170 composite video |
| Datasheet Page Count | 8 pages |
AD9502CM hermetically sealed metal can 引脚配置指南
AD9502CM（hermetically sealed metal can 封装）的引脚配置。 该模拟元件具有输入、输出和电源引脚。请参阅制造商数据手册以了解失调调零、补偿和使能引脚配置。适用于信号调理和放大器电路。
暂无详细引脚数据： AD9502CM.
请参阅 数据手册 以查看完整引脚配置。
典型应用
AD9502CM 适用于 6 应用s: Legacy Industrial Vision Repair, Broadcast Video Processing, Legacy Test Equipment, Composite Video Capture Retrofit, Educational Video Electronics, Security Camera Interface Maintenance.
Legacy Industrial Vision Repair
AD9502CM is relevant when an older machine-vision or industrial inspection system was designed around an Analog Devices RS-170 video digitizer and its DIP-40 footprint. Repairing the original board can preserve the established timing, synchronization, routing, and firmware assumptions that a modern interface IC may not reproduce. The verified records confirm the RS-170 digitizer function and 40-pin through-hole package, but do not provide resolution or timing limits. Before fitting the device, confirm the equipment schematic, socket pin numbering, supply rails, and input signal level against the manufacturer documentation.
Broadcast Video Processing
AD9502CM can be considered for maintenance of legacy broadcast or studio video-processing equipment that still routes composite RS-170 signals through a digitizing stage. Its documented hybrid RS-170 role makes it more relevant than a generic video amplifier or converter in that specific topology. However, the verified excerpts do not identify supported field rates, resolution, sync handling, or digital output format. Use the original eight-page datasheet and receiver schematic to establish those requirements before service, ensuring that the replacement part matches all clocking and synchronization behavior.
Legacy Test Equipment
AD9502CM may appear in older video test, measurement, or waveform-analysis instruments that digitize RS-170 composite signals before analysis. Repair should prioritize exact package, terminal, and timing behavior because instrument control firmware may depend on deterministic pixel timing. The verified catalog evidence identifies a 40-pin hermetically sealed metal-can DIP and a hybrid RS-170 digitizer, but supplies no sampling-rate or temperature limits. Technicians should therefore verify signal levels, supply requirements, and acquisition timing from the original manual and datasheet before installation.
Composite Video Capture Retrofit
AD9502CM is a candidate only for a carefully controlled retrofit that preserves an existing RS-170 capture architecture. It can be useful when redesign would require reproducing the original timing and system interfaces more reliably than an unverified modern substitute. The verified data does not state digital-output width, pixel clock range, synchronization outputs, or converter performance, so suitability cannot be inferred from the RS-170 label alone. Prototype the circuit and validate horizontal and vertical timing, synchronization, noise performance, and downstream logic compatibility before production use.
Educational Video Electronics
AD9502CM can support an instructional lab that demonstrates how a legacy hybrid composite-video digitizer bridges analog video inputs and digital processing. Its documented DIP-40 construction provides a board-level example for studying schematic repair, mixed-signal layout, and legacy system integration. The source data remains insufficient for defining a complete laboratory supply or termination circuit. Instructors should use a known-good test fixture, current-limited supplies, and manufacturer reference information, while emphasizing that a working laboratory setup does not by itself qualify another component as a production replacement.
Security Camera Interface Maintenance
AD9502CM may be relevant to older security or surveillance systems that terminate an RS-170 composite signal in a dedicated video-digitizing board. The device can support maintenance where changing the established interface would disrupt analog cabling, timing, or downstream display behavior. The verified evidence does not specify signal amplitude, synchronization behavior, operating temperature, or availability. Technicians should identify the original manufacturer and exact package marking, compare every datasheet limit, and verify the revised assembly with the known target video pattern before returning the camera system to service.
工程参考数据： AD9502CM ——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 |
|---|---|
| Brand | Analog Devices |
| Package | Hermetically sealed metal-can DIP-40 |
| Product Function | Hybrid RS-170 video digitizer |
| Pin Count | 40 pins |
| Mounting Style | Through-hole |
| Analog Video Signal | RS-170 |
| Lifecycle Status | unknown |
关键差异点
- Legacy RS-170-specific device identification （对比 Generic video-processing ICs)
- Established hermetically sealed mechanical format （对比 Modern surface-mount video converters)
- Manufacturer-specific AD9502 family context （对比 AD9502)
设计说明
Do not substitute a generic RS-170 IC merely because it has a similar package. A valid replacement must preserve all 40 terminal assignments, supply rails, analog signal levels, clock relationships, synchronization polarity, and digital-output timing. The supplied data contains no pin table or verified alternative MPN, so obtain the original manufacturer datasheet and compare every terminal before board rework.
Verify the original supply voltages, tolerances, sequencing requirements, and decoupling network before energizing an AD9502CM board. Those values are absent from the supplied excerpts and cannot be inferred from its video-digitizer classification. Inspect for damaged electrolytic capacitors and contaminated sockets, start with a current limit, and measure rail conditions at the device pins rather than relying only on the nominal source.
For a new or modified legacy-video board, preserve short analog input paths and a continuous return plane around the digitizer and timing circuitry. Keep video traces away from switching-node and high-current return paths, and use controlled impedance or source termination only after confirming the original RS-170 topology. Existing factory layout should not be changed casually because undocumented ground and can-connection details may affect operation.
Treat CM suffix interpretations as unverified until the manufacturer ordering information is checked. It can appear to imply grade, temperature class, package, or sourcing status, but the supplied sources do not define it. Match the actual device markings, documentation, and bill of materials; do not infer the suffix from distributor title text or apply another AD9502-family part without comparison.
合规信息
The verified records do not extract RoHS, REACH, lead-free, halogen-free, or conflict-minerals declarations. AEC-Q100 is not applicable because this is a video-processing IC rather than an automotive-qualified device, but its broader environmental or legacy qualification status remains unknown.
