MK2703SILF - 27MHz PLL Audio Clock Synthesizer | Renesas
料号： MK2703SILF ✓ 量产中MK2703SILF 概述
A PLL clock synthesizer is a clock-and-timing IC that multiplies or divides a stable input reference to produce one or more synchronized output frequencies. In the broader semiconductor hierarchy, the MK2703 belongs to the PLL multiplier/divider family, the clock generator and synthesizer class, and ultimately the clock-and-timing integrated-circuit category. Its low-cost integration reduces component count and simplifies clock-tree construction compared with separate crystal oscillators, dividers, and phase-locked-loop circuitry.
The verified product information identifies the MK2703SILF as a 27 MHz single PLL clock synthesizer with an 8-pin SOIC surface-mount package. It accepts a 3.13 V to 5.5 V operating supply and provides a buffered reference output together with a selectable audio clock. These functions are useful when downstream converters, codecs, interface circuits, or digital signal processors require a derived clock that remains phase-related to the system reference.
Technically, the device uses analog phase-locked-loop techniques to lock an internally controlled output to the external 27 MHz reference. Locking the synthesized clock to the same reference used by the rest of the system can improve timing consistency, while the selectable output division allows a practical audio-clock rate to be produced without a separate programmable synthesizer. Because the supplied web data does not enumerate every programmable frequency, jitter value, output format, or loop filter setting, those details must be confirmed in the manufacturer datasheet before final clock-tree validation.
Typical uses include set-top box clock trees, multimedia receivers, DVD and digital-audio equipment, network equipment requiring stable derived clocks, and embedded audio systems where a single reference must feed several clock domains. The device is also appropriate for industrial control equipment when its specified operating range, electrical limits, and environmental qualifications match the system requirements.
When laying out an MK2703SILF design, place the device and its associated crystal or clock-source components close to the circuit being clocked, keep output routes short, and provide return paths that do not share high-current switching paths. Confirm crystal load capacitance, output series termination, supply bypassing, and all supported output frequencies from the manufacturer datasheet before production release.
This product record combines verified distributor and manufacturer information, traceable source links, honest specification gaps, and engineering-oriented application guidance. It distinguishes documented facts from parameters that still require verification, helping engineers evaluate the MK2703SILF without treating incomplete distributor summaries as a complete electrical datasheet.
直接替换替代料： MK2703SILF ——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： MK2703SILF （相同外形与封装尺寸） ——差异在于 Manufacturer, Package.
MK2703BSILF
✅ 直接替换📋 参考替代料（不在目录中）
MK2703BSLFTR
✅ 直接替换📋 参考替代料（不在目录中）
MK2703SILF 规格参数
| Device Type | PLL audio clock synthesizer |
| Manufacturer | Renesas Electronics |
| Input Reference Frequency | 27 MHz |
| 工作电源电压 | 3.13 V to 5.5 V |
| 输出数量 | 2 outputs: buffered reference clock and selectable audio clock |
| PLL Architecture | Analog phase-locked loop |
| 封装 | 8-pin SOIC, 3.90 mm width |
| 安装类型 | Surface mount |
| Order Code | MK2703SILF |
| Reference Input | 27 MHz crystal or clock input |
| Output Functions | Buffered reference clock and selectable audio clock |
MK2703SILF 8-pin soic, 3.90 mm width 引脚配置指南
MK2703SILF（8-pin soic, 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： MK2703SILF.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MK2703SILF 适用于 6 应用s: Set-Top Box Clock Tree, Digital Audio Equipment, Multimedia Receiver Platform, Network and Communications Equipment, Industrial Control Electronics, Consumer Audio and Media Hub.
Set-Top Box Clock Tree
The MK2703SILF fits a set-top box clock tree because it accepts a 27 MHz crystal or clock reference and derives a selectable audio clock plus a buffered reference output. Its analog PLL architecture replaces separate oscillator and phase-locked-loop circuitry, helping reduce board area and component count. The 3.13 V to 5.5 V operating range supports common 3.3 V and 5 V system rails. Before schematic release, verify the required output frequency, output format, lock behavior, and crystal load capacitance against the Renesas datasheet. Provide local supply bypassing and route the reference clock away from high-current switching paths to preserve the low-jitter benefit emphasized by the manufacturer.
推荐
Digital Audio Equipment
The MK2703SILF is suitable for digital-audio equipment that needs an audio-related clock derived from a stable 27 MHz reference. The device supplies a selectable audio clock and buffered reference output, allowing one oscillator source to support multiple timing functions without separate PLL packages. Its single 8-pin SOIC package simplifies routing in audio boards, while the 3.13 V to 5.5 V supply range accommodates common embedded rails. The engineer must confirm the target audio rate against the supported output table and assess jitter at the exact divider setting. Decoupling and output termination should follow the manufacturer reference design rather than generic assumptions.
推荐
Multimedia Receiver Platform
The MK2703SILF supports multimedia receiver platforms by replacing separate oscillator and PLL circuits with one integrated clock synthesizer. A 27 MHz reference can generate a buffered system reference and a selectable audio clock, reducing the number of timing components around video, audio, and control circuitry. Its 8-pin SOIC package is compatible with conventional surface-mount assembly methods. For implementation, first map every required clock to the datasheet’s permitted output settings, then confirm startup, lock, and supply-current behavior. Keep the crystal loop compact and provide an uninterrupted ground return so the generated clock is not coupled to switching-node energy.
推荐
Network and Communications Equipment
The MK2703SILF can support a communications-board clock tree where a 27 MHz reference must feed a buffered output and a separately selectable audio clock. Its integrated analog PLL reduces the footprint and assembly burden associated with discrete oscillator and divider solutions. The 3.13 V to 5.5 V operating range makes it practical for 3.3 V and 5 V communication equipment, subject to exact logic-level verification. Designers should check supported frequencies, output impedance, and reference-jitter requirements in the manufacturer datasheet. Route clocks away from Ethernet magnetics, switching regulators, and high-speed data paths, and use a solid ground plane beneath the timing section.
推荐
Industrial Control Electronics
The MK2703SILF is a practical clock source for industrial control electronics that already derive system timing from a 27 MHz reference. It consolidates a buffered reference and selectable audio clock into an 8-pin SOIC device, reducing the need for separate oscillator and PLL assemblies. The broad 3.13 V to 5.5 V supply range supports common industrial logic rails. Selection is conditional on confirming the exact operating-temperature limits, lifecycle commitment, and output ratings in the current Renesas documentation. Place the timing circuit away from relays, motor drivers, and power-conversion stages, and use controlled return paths to avoid injecting switching noise into the reference network.
推荐
Consumer Audio and Media Hub
The MK2703SILF is appropriate for compact consumer-audio and media-hub products that require one oscillator to support both a buffered reference and a selectable audio clock. Its integrated PLL replaces discrete oscillator and PLL circuitry, while the 8-pin SOIC package supports automated surface-mount assembly. The 3.13 V to 5.5 V range can suit 3.3 V or 5 V platforms. Designers should verify that the required clock appears in the supported output table and compare measured jitter against the audio subsystem’s requirements. Keep the crystal and decoupling network close to the IC, avoid routing the reference beneath digital processors, and confirm production pricing and lifecycle status before committing the part to a high-volume design.
推荐
推荐产品汇总
工程参考数据： MK2703SILF ——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 | MK2703BSILF | MK2703BSLFTR |
|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Package | 8-pin SOIC, 3.90 mm width | 8-pin SOIC - same package type | 8-pin SOIC - same package type |
| Device Type | PLL audio clock synthesizer | PLL audio clock synthesizer | Advanced frequency synthesizer with PLL technology |
| Lead Count | 8 | 8 | 8 |
关键差异点
- Integrated dual-clock-function architecture （对比 Discrete oscillator and PLL implementation)
- Same-family drop-in path with identical reported primary performance （对比 MK2703BSILF)
- Common supply compatibility （对比 Discrete oscillator plus PLL circuit)
- Matched eight-lead family option （对比 MK2703BSLFTR)
设计说明
Place the MK2703SILF, crystal, and load components close together and keep the 27 MHz reference loop physically small. Route clock outputs directly to their destinations and avoid crossing switching-node copper or high-current return paths. Use a continuous ground reference beneath the timing section, and observe the manufacturer layout example when assigning decoupling and output-series components.
Design the MK2703SILF supply around its documented 3.13 V to 5.5 V operating range, including rail tolerance and transient excursions. Place the manufacturer-recommended bypass capacitor at the supply pin with a short, low-inductance connection. Do not substitute the operating range for the absolute maximum rating; verify both ratings in the Renesas datasheet before applying the device to a new rail voltage.
Confirm the required audio frequency, output impedance, edge-rate behavior, and permitted jitter from the manufacturer datasheet before finalizing the clock network. Add output termination only when the recommended value and topology support it; excessive series resistance can degrade edge quality, while insufficient control can cause reflections. Keep sensitive audio traces away from processors, memories, and switching supplies.
Do not select a replacement solely because it has eight leads and a similar product description. The verified MK2703BSILF and MK2703BSLFTR candidates are same-family options, but suffix-specific temperature grade, qualification, and delivery format can still matter. Confirm the Renesas ordering table, pin assignments, supported output frequencies, and lifecycle status before approving a drop-in substitution.
合规信息
The supplied verified data does not explicitly state compliance or material-status claims for MK2703SILF. RoHS, REACH, halogen-free, conflict-minerals, and AEC-Q100 status must be confirmed for the exact order code using current Renesas documentation.