AD9501SE - 10 ps Programmable Delay Generator | Analog Devices
料号： AD9501SE ✗ 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 |
AD9501SE 概述
A digitally programmable delay generator delays an input pulse according to a programmed control value while preserving the timing relationships required by clocks, data channels, and test systems. The AD9501 belongs to the clock-and-timing IC hierarchy, where programmable delay elements support clock alignment, pulse shaping, deskewing, radar timing, and data-communication calibration. Its digitally controlled delay simplifies calibration where an analog trim or mechanical adjustment would be inconvenient or inaccurate.
The verified manufacturer data identifies a single +5 V supply, 10 ps delay resolution, 10 ns full-scale range, and maximum trigger rate of 50 MHz. TTL and CMOS compatibility allows the device to interface with common digital timing circuits. These features make fine timing adjustment practical in disk-drive deskewing, data communications, test equipment, radar Q matching, and other pulse-delay applications.
The AD9501 uses programmable timing control to set the delay applied to an input pulse. Its architecture is intended to provide repeatable digital adjustment rather than relying solely on analog trim settings. In a deskewing system, the delay can compensate for propagation-time differences between channels; in test equipment, it can establish precise relative timing between stimulus and measurement events. The control interface and electrical limits must be implemented exactly as specified in the manufacturer datasheet.
Typical implementations include clock and data-channel alignment, disk-drive read/write-channel deskewing, communications timing calibration, radar pulse alignment, Q-factor or quality-factor matching, and automated test systems. The 50 MHz maximum trigger rate supports repetitive pulse timing, while the 10 ps resolution supports fine calibration. Input slew rate, trigger polarity, control timing, output loading, and termination remain important constraints.
For PCB implementation, use a short, controlled-delay path for timing-critical signals and place bypass capacitance close to the supply pins. Confirm that the 20-lead LCCC footprint, pad geometry, and assembly process match the intended package variant before layout release. Treat the AD9501SE as a timing-sensitive device and validate propagation delay, jitter, trigger bandwidth, and system calibration in the final board environment.
This product page consolidates the verified Analog Devices feature description with application guidance, sourcing details, and explicit data gaps. It does not infer unverified electrical limits, pin names, prices, or replacement parts; missing technical values are retained as markers in the specification table.
AD9501SE 规格参数
| Product Type | Digitally programmable delay generator |
| 电源电压 | +5 V |
| Delay Resolution | 10 ps |
| Full-Scale Delay Range | 10 ns |
| Maximum Trigger Rate | 50 MHz |
| Input Logic Compatibility | TTL or CMOS compatible |
| Programmed Delay | Programmed time delay of an input pulse |
| Clock and Timing Category | Application-specific clock and timing IC |
| 封装 | 20-LCCC (9 x 9 mm) |
| 引脚数量 | 20 leads |
| RoHS 状态 | unknown |
| REACH Status | unknown |
AD9501SE 20-lccc (9 x 9 mm) 引脚配置指南
AD9501SE（20-lccc (9 x 9 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： AD9501SE.
请参阅 数据手册 以查看完整引脚配置。
典型应用
AD9501SE 适用于 6 应用s: Disk-Drive Read/Write Deskewing, Data-Communications Timing Alignment, Radar Pulse Timing and Q Matching, Automated Test and Measurement, Clock and Pulse Alignment, Instrumentation and Timing Calibration.
Disk-Drive Read/Write Deskewing
The AD9501SE is suitable for disk-drive deskewing because it provides programmed pulse delays with resolution down to 10 ps. Place it in the timing path used to compensate for propagation differences between read or write channels, then calibrate the delay setting against the controller's timing requirements. Its 10 ns full-scale range provides adjustment space for small channel offsets, while the 50 MHz maximum trigger rate supports repetitive timing events. Actual deskew accuracy also depends on trace geometry, output loading, trigger polarity, and the calibration loop, so the final board should be characterized end to end.
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Data-Communications Timing Alignment
AD9501SE can be used in data-communications equipment to align clock and data-related pulse timing. Its 10 ps resolution allows fine adjustment of relative delay, which is useful when a receiver, transmitter, retimer, or parallel channel experiences small propagation mismatches. The single +5 V supply simplifies integration with compatible digital timing logic, and the device is specified as TTL- or CMOS-compatible. The design must still account for package parasitics, transmission-line behavior, connector delay, edge rate, and the maximum trigger rate when assigning the timing budget.
推荐
Radar Pulse Timing and Q Matching
The AD9501SE is applicable to radar timing systems that require adjustable delay for pulse alignment or Q matching. Its programmable delay can be used to establish controlled relative timing between trigger and response paths, while the 10 ps resolution supports fine calibration. The 10 ns full-scale range and 50 MHz trigger-rate limit must be checked against the radar waveform, repetition rate, and channel architecture. High-frequency implementation also requires controlled impedance, short return paths, careful grounding, and validation of trigger and output edge behavior.
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Automated Test and Measurement
AD9501SE can support automated test equipment when a stimulus pulse must be positioned relative to a measurement or system clock. Digital programmability makes calibration more repeatable than a purely manual trim arrangement, and the 10 ps resolution allows fine timing correction. Use the delay generator in a controlled fixture and calibrate across the required temperature, supply, and load conditions. The supplied data does not specify trigger jitter, output amplitude, or control timing, so those parameters must be verified before using it for precise automated measurements.
推荐
Clock and Pulse Alignment
AD9501SE is appropriate for clock and pulse-alignment systems where relative timing must be adjusted digitally. Its 10 ps resolution can compensate for small fixed delays introduced by traces, packages, connectors, or neighboring channels. The device operates from a single +5 V supply and supports TTL- or CMOS-compatible operation, which can simplify integration into a digital timing subsystem. Designers should preserve short timing paths, provide local decoupling, and verify output loading and edge rates because the verified source does not provide a complete pinout or electrical timing table.
推荐
Instrumentation and Timing Calibration
AD9501SE can be used as a programmable delay element in instrumentation requiring repeatable timing adjustment. The controller can select different delay values to align stimulus, reference, and return signals, while the 10 ps resolution supports fine calibration. This is useful in laboratory and production systems where manual timing adjustment would be inconsistent. For dependable results, characterize temperature drift, supply sensitivity, trigger-rate limits, output loading, and board-level propagation delay; none of these secondary values should be assumed without the manufacturer datasheet.
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推荐产品汇总
工程参考数据： AD9501SE ——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 |
|---|---|
| Package | 20-LCCC (9 x 9 mm) |
| Brand | Analog Devices |
| Product Type | Digitally programmable delay generator |
| Supply Voltage | Single +5 V |
| Delay Resolution | 10 ps |
| Full-Scale Delay Range | 10 ns |
| Maximum Trigger Rate | 50 MHz |
| Logic Compatibility | TTL- or CMOS-compatible |
| Pin Count | 20 leads |
| Applications | Deskewing, data communications, test equipment, and radar Q matching |
关键差异点
- Fine programmable delay resolution （对比 Generic programmable delay generators without verified 10 ps resolution)
- Single-supply timing integration （对比 Delay generators requiring unspecified or different supply rails)
- Digital delay control for repeatable adjustment （对比 Manually adjusted or analog-only delay elements)
设计说明
Keep the timing path short and preserve a continuous return path. Place bypass capacitance close to the supply pins and avoid unnecessary stubs, test pads, or long connectors in the critical delay path. Because the verified feature set emphasizes resolution down to 10 ps, board-level propagation delay and impedance discontinuities can be significant relative to the desired adjustment. Confirm the exact land pattern against the manufacturer package drawing before fabrication.
Treat the AD9501SE as a precision timing element rather than a general-purpose logic buffer. Control trace impedance, minimize discontinuities, and verify edge rates and loading in the final assembled board. The supplied data does not state trigger jitter, propagation delay, or output drive capability, so these values must be measured or obtained from the official datasheet before setting a system timing margin.
Do not assume that a generic programmable delay generator is a drop-in replacement. Confirm the 20-LCCC footprint, pin numbering, supply, control interface, delay range, trigger compatibility, and lifecycle status. Also do not infer lead time, stock, price, or lifecycle status from a distributor search result; request current supplier confirmation. The verified data is insufficient to publish a complete pinout or an unqualified replacement.
合规信息
Compliance status was not included in the verified manufacturer or distributor data. MIL-STD-883-compliant versions are mentioned in a third-party search snippet, but no specific AD9501SE qualification certificate or compliance statement was provided.
