MK2703SLF - 27MHz Low-Jitter PLL Clock Synthesizer | Renesas
料号： MK2703SLF ✗ 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 |
MK2703SLF 概述
A PLL clock synthesizer is a clock-and-timing integrated circuit that uses phase-locked-loop technology to derive stable digital clock outputs from a reference oscillator. In the broader hierarchy, it belongs to clock generation, frequency synthesis, timing ICs, and integrated circuits rather than a general-purpose oscillator or analog signal source. Its role is to distribute and transform timing signals so that audio, communication, and multimedia subsystems can operate from a controlled reference.
The MK2703 family uses a low-cost analog PLL approach and is intended to replace discrete oscillator and PLL circuitry. According to the available manufacturer and distributor descriptions, the device accepts a 27 MHz crystal or clock input, produces a buffered reference clock, and offers a selectable audio clock. The verified material does not provide the complete output-frequency table, phase-noise figures, supply-voltage range, or pin-level timing values, so those specifications remain marked for data acquisition rather than being inferred.
Typical applications include set-top boxes, DVD and multimedia systems, audio-clock generation, digital entertainment equipment, and embedded consumer electronics. The selectable audio output is useful when a downstream audio converter or digital interface requires a controlled clock. The buffered reference output can provide a cleaner system timing source than leaving the crystal oscillator unloaded, subject to the device's specified load and output-drive requirements.
The principal design consideration is verifying the exact crystal frequency, supported divider or feedback settings, output jitter, supply requirements, and pinout against the complete MK2703 datasheet before layout. In a new design, preserve the manufacturer's recommended decoupling and crystal-load network and confirm that the selected SOIC footprint matches the board. This device is best suited to designs that specifically need its documented clock architecture rather than a general high-performance frequency synthesizer.
直接替换替代料： MK2703SLF ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MK2703SLF （相同外形与封装尺寸） ——差异在于 Package.
快速对比工具——选择替代料号进行并排对比：
该产品暂无直接替换替代料。
请求替代料MK2703SLF 规格参数
| Device Type | PLL audio clock synthesizer |
| Reference Input Frequency | 27 MHz crystal or clock input |
| 输出数量 | Buffered reference clock and selectable audio clock |
| PLL Technology | Analog phase-locked loop technology |
| Input Clock Count | 1 |
| 封装 | 8-SOIC |
| Package Width | 0.154 in / 3.90 mm |
| 安装类型 | Surface mount |
| Application Category | Set-top box and multimedia clock generation |
MK2703SLF 0.154 in / 3.90 mm 引脚配置指南
MK2703SLF（0.154 in / 3.90 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： MK2703SLF.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MK2703SLF 适用于 6 应用s: Set-Top Box Audio Clock, DVD and Multimedia Systems, Digital Audio Converter Clocking, Consumer Multimedia Timing, Embedded Audio Processing, Clock-Distribution Support.
Set-Top Box Audio Clock
The MK2703SLF fits set-top box clock trees because it is explicitly designed as a PLL audio clock synthesizer for those systems. A 27 MHz crystal or clock reference can feed the PLL, while the buffered reference output and selectable audio clock provide organized timing signals to downstream audio and multimedia logic. The main design benefit is replacing a separate oscillator and PLL implementation with a dedicated clock IC in an 8-SOIC package. Before release, verify the selected audio-clock frequency, jitter, supply voltage, and load requirements against the exact audio converter and system timing budget.
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DVD and Multimedia Systems
The MK2703SLF is suitable for DVD and multimedia equipment that needs a dedicated audio timing source. The device's selectable audio-clock output allows the system designer to choose a supported operating point rather than relying on a free-running oscillator alone, while the buffered reference output can distribute timing within the digital subsystem. This application favors the MK2703SLF when the board is already designed around the 8-SOIC footprint and the required frequency is supported by the complete datasheet. Validate audio-clock jitter and startup behavior in the final system.
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Digital Audio Converter Clocking
The MK2703SLF can support digital audio converter clocking when the converter requires a selectable audio clock derived from a common reference. Its PLL-based architecture is intended to generate timing signals from a 27 MHz crystal or clock input, which helps synchronize audio conversion and related digital processing. The part is particularly relevant when replacing discrete oscillator-and-PLL circuitry in an 8-SOIC design. The exact divider selection, frequency accuracy, jitter, and output loading must be confirmed from the Renesas documentation for the target audio sample rate.
推荐
Consumer Multimedia Timing
The MK2703SLF is appropriate for consumer multimedia equipment where a small clock synthesizer package and dedicated audio timing are useful. Its 8-SOIC form factor supports compact board construction, while the selectable audio clock can reduce reliance on multiple clock sources. This makes it relevant to audio-enabled entertainment products that need a predictable clock source without implementing a larger frequency-synthesis subsystem. The design should confirm the exact package drawing, supported clock outputs, power requirements, and crystal network before production release.
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Embedded Audio Processing
The MK2703SLF can provide timing support for embedded audio-processing modules that use a 27 MHz reference and require selectable audio-clock generation. The dedicated PLL synthesizer may simplify the clock architecture compared with a collection of discrete oscillators and feedback networks. In a mixed-signal or embedded board, the buffered reference output can help distribute a controlled clock to compatible logic, but it does not eliminate the need to verify voltage levels, loading, and jitter at each receiver. Use the manufacturer pinout and application circuit as the controlling references.
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Clock-Distribution Support
The MK2703SLF is useful when a board needs both a buffered reference clock and a selectable audio-clock output from a 27 MHz source. This arrangement can reduce duplicated oscillator circuitry and provide a defined timing point for audio and multimedia subsystems. The benefit is most apparent in compact products where component count and routing simplicity matter. However, the buffered output must be loaded within the datasheet limits, and any fanout change can affect clock integrity. Confirm output drive, edge quality, and jitter with the complete manufacturer documentation.
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推荐产品汇总
工程参考数据： MK2703SLF ——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 | MK2703SLFTR | MK2703SI |
|---|---|---|---|
| Package | 8-SOIC | 8-SOIC - verified family comparison | 8-SOIC - verified family comparison |
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Product Type | PLL audio clock synthesizer | PLL clock synthesizer family variant | PLL clock synthesizer family variant |
关键差异点
- Dedicated audio-clock synthesis role （对比 General-purpose oscillator alternatives)
- Set-top-box and multimedia orientation （对比 MK2703SI)
- 27 MHz reference architecture （对比 Generic crystal oscillators)
设计说明
Use the manufacturer's 8-SOIC land pattern and pin numbering without substituting a generic SOIC footprint. Keep the crystal, its load network, the clock input, and the ground return path compact so the reference oscillator sees a controlled environment. Because the supplied data confirms the package but not the exact pinout, verify every net against the official MK2703 datasheet before routing.
Route the buffered reference and selectable audio-clock outputs away from noisy switching nodes and provide a short, properly referenced path to each receiving device. The verified material does not specify output drive, edge rate, jitter, or maximum fanout, so these values must be taken from the datasheet. Validate rise time, ring, and timing margin at the endpoint rather than relying only on nominal clock frequency.
Do not select a related MK2703 variant solely from its family name. The available web results identify MK2703SLFTR and MK2703SI as comparison targets but do not establish identical pinout, supply, frequency, or output specifications. Before substitution, compare the manufacturer ordering information, electrical tables, frequency-selection method, and application circuit; otherwise a nominally similar part may alter clock configuration or audio timing.
合规信息
The supplied verified sources describe the device and identify distributor pages but do not provide compliance declarations. Status fields remain unknown rather than inferred. AEC-Q100 is marked not_applicable because this is a clock synthesizer and no automotive qualification information was supplied.