MK2703SI - Low-Jitter PLL Audio Clock Synthesizer | Renesas
料号： MK2703SI ✗ 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 |
MK2703SI 概述
A PLL audio clock synthesizer is a clock-and-timing IC that uses a phase-locked loop to generate or distribute one or more timing signals with controlled frequency relationships. In the broader electronics hierarchy, it belongs to clock generation, frequency synthesis, PLL, timing IC, and digital signal-support categories. This makes the MK2703SI relevant where audio, multimedia, or embedded systems need a stable reference or derived clock instead of a collection of separate oscillators and divider logic.
The manufacturer search results identify the MK2703 family as a PLL audio clock synthesizer and specifically describe the device as a low-cost, low-jitter, high-performance alternative to oscillator and PLL circuits. The SI ordering suffix is associated with an 8-SOIC package in the verified distributor result. Because the supplied web data does not expose the complete electrical specification table, designers should verify frequency generation modes, reference requirements, output drive, supply limits, decoupling, and signal integrity against the official Renesas MK2703 datasheet before layout release.
The MK2703SI can be considered for set-top box clocking, multimedia-system timing, audio-clock generation, decoder reference clocks, and embedded multimedia platforms. In a typical implementation, the device would receive a reference signal and produce one or more derived clocks required by downstream processors, converters, or audio circuitry. The main design trade-offs are package footprint, supported output frequencies, jitter, reference quality, supply noise, and whether the required clock architecture matches the device's verified control interface.
Use the official MK2703 datasheet as the controlling source for pin names, timing diagrams, electrical limits, recommended crystals or oscillators, and application examples. Do not infer a pinout from the 8-SOIC package alone. In particular, verify every unused or no-connect pin, the exposed thermal requirements, the required supply bypass capacitors, and the maximum operating frequency before substituting the part into an existing design.
This page consolidates the verified distributor identity, package information, family description, datasheet links, sourcing context, and engineering caveats for MK2703SI. It also distinguishes confirmed facts from parameters that still require datasheet verification, helping engineers identify the correct next step without presenting unverified clock or electrical values as specifications.
直接替换替代料： MK2703SI ——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： MK2703SI （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：
MK2703SITR
✅ 直接替换📋 参考替代料（不在目录中）
MK2703SLF
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →MK2703SLFTR
✅ 直接替换📋 参考替代料（不在目录中）
MK2703SI 规格参数
| Device Type | PLL audio clock synthesizer |
| Target Application | Set-top box and multimedia systems |
| Architecture | Phase-locked-loop clock synthesis |
| Jitter Classification | Low-jitter |
| Cost Positioning | Low-cost |
| 封装 | 8-SOIC (0.154 inch, 3.90 mm width) |
| 安装类型 | Surface mount |
| 引脚数量 | 8 pins |
| Manufacturer Document | MK2703 Datasheet |
MK2703SI 8-soic (0.154 inch, 3.90 mm width) 引脚配置指南
MK2703SI（8-soic (0.154 inch, 3.90 mm width) 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： MK2703SI.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MK2703SI 适用于 6 应用s: Set-Top Box Clocking, Multimedia System Timing, Audio Clock Generation, Digital Audio Interface Timing, Decoder Reference Clock, Embedded Multimedia Platform.
Set-Top Box Clocking
The MK2703SI fits a set-top box clock architecture because it is specifically identified as a low-cost, low-jitter PLL audio clock synthesizer for multimedia systems. It can consolidate clock generation that would otherwise require separate oscillator and PLL blocks, reducing the number of discrete timing components when the required frequency plan matches. The verified package is 8-SOIC, so the design must follow the exact 8-SOIC land pattern and verify pin functions, reference requirements, supply voltage, and output configuration from the Renesas datasheet.
推荐
Multimedia System Timing
For multimedia systems, the MK2703SI is useful where a processor, decoder, audio converter, or display subsystem needs a derived clock with controlled phase relationships. Its PLL-based role can replace a larger collection of oscillators and divider circuits, but the benefit depends on matching the reference input and requested output frequencies. The supplied data does not verify frequency range, jitter in time units, output drive, or supply limits, so these requirements must be confirmed before schematic release.
推荐
Audio Clock Generation
The MK2703SI is explicitly marketed as a PLL audio clock synthesizer, making it relevant to audio subsystems that need stable timing for converters, codecs, processors, or digital audio routing. Its low-jitter positioning can help reduce timing uncertainty in a clock distribution network, but the supplied search data does not provide a numeric jitter specification. Confirm supported audio rates, reference frequency, output format, and downstream audio-device requirements in the official datasheet before selecting it for a new board.
推荐
Digital Audio Interface Timing
A digital audio interface often depends on a master or derived clock whose frequency and jitter are tightly coupled to the codec or converter architecture. The MK2703SI can serve as a PLL clock synthesizer when its supported output frequencies and interface requirements align with the system. Because the verified data does not identify the output pins, logic levels, reference mode, or maximum channel rate, designers should compare the complete timing requirements of the audio device with the Renesas MK2703 datasheet and validate startup behavior on the prototype.
推荐
Decoder Reference Clock
The device may support decoder or multimedia reference-clock requirements when the required output is generated from a suitable reference source and the PLL configuration is acceptable. Integrating clock generation can reduce board area and simplify synchronization between blocks, but integration should not be selected solely from the family description. Verify reference-input frequency, divider options, output frequency coverage, lock behavior, and supply sequencing in the manufacturer documentation. The verified 8-SOIC package also requires a footprint and pin-1 audit.
推荐
Embedded Multimedia Platform
The MK2703SI is relevant to embedded multimedia platforms that need a compact clock-generation function instead of a separate oscillator and PLL arrangement. Its 8-SOIC package can support conventional surface-mount assembly, while the low-cost positioning may fit cost-sensitive consumer and multimedia equipment. Design validation remains necessary because the supplied results do not confirm operating temperature, supply range, output frequency range, jitter, or RoHS status. Confirm those parameters and the exact package drawing with Renesas.
推荐
推荐产品汇总
工程参考数据： MK2703SI ——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 | MK2703SITR | MK2703SLF | MK2703SLFTR |
|---|---|---|---|---|
| Manufacturer | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics |
关键差异点
- Integrated PLL clock-generation function （对比 Discrete oscillator and PLL implementation)
- Audio-clock-specific positioning （对比 Generic oscillator)
- Compact 8-SOIC integration （对比 Discrete oscillator plus PLL implementation)
设计说明
Begin the layout by confirming the exact MK2703 8-SOIC pinout and package drawing from Renesas before placing the symbol or footprint. The verified data confirms the package family and width but does not provide pin names or no-connect assignments. Preserve the datasheet-recommended power and ground connections, place bypass capacitors close to their associated pins, and check the pin-1 orientation against the assembly drawing. Do not infer electrical connectivity from the package suffix.
Treat every reference and clock output as a timing signal. Route outputs with short paths, minimize stubs and unnecessary branching, use a continuous return path, and match the intended impedance to the PCB stack-up when the edge rate requires it. Keep sensitive clock routing away from noisy switching nodes and power-converter inductors. Since the supplied data does not specify rise time, output drive, jitter, or maximum frequency, these layout requirements must be refined from the official datasheet.
Determine the actual supply requirement from the official MK2703 datasheet before selecting bypass capacitance or a power topology. The verified search data identifies a PLL audio clock synthesizer but does not provide supply voltage, current, absolute maximum ratings, or decoupling values. Verify the power rail tolerance, startup current, PLL lock behavior, and sequencing requirements. Then validate the regulator’s transient response against the switching activity of the surrounding multimedia system rather than assuming the device can share an unfiltered rail.
合规信息
The supplied verified data does not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-mineral status. Verify current declarations and qualification documents for the exact MK2703SI package.
