사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Tape & Reel (TR) |
| Part Status | Active |
| Type | Clock Synchronizer and Jitter Cleaner |
| PLL | Yes with Bypass |
| Input | Clock, LVCMOS |
| Output | CML, HCSL, LVCMOS, LVDS, LVPECL |
| Number of Circuits | 2 |
| Ratio - Input: Output | 2:8 |
| Differential - Input: Output | Yes/Yes |
| Frequency - Max | 800MHz |
| Divider / Multiplier | Yes/Yes |
| Voltage - Supply | 1.71V ~ 1.89V, 3.135V ~ 3.465V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
개요
Description
The LMK05318RGZR is a high-performance, low-jitter clock generator and jitter cleaner from Texas Instruments. It integrates a dual-loop PLL architecture for ultra-low phase noise, making it ideal for high-speed data converters, wireless infrastructure, and networking equipment.
Key features:
- Inputs: Supports multiple references (LVCMOS, LVPECL, LVDS, HCSL).
- Outputs: 8 configurable outputs (up to 2.1 GHz) with LVDS, LVPECL, or HCSL formats.
- Jitter Cleaning: <100 fs RMS (12 kHz–20 MHz).
- Redundancy: Automatic hitless switching between references.
- Flexibility: Programmable via SPI or pin-strapping.
Applications include 5G base stations, optical transport, and test equipment. Its robust design ensures reliable clock distribution in demanding environments.
For detailed specs, refer to the [TI datasheet](https://www.ti.com/lit/ds/symlink/lmk05318.pdf).
Key features:
- Inputs: Supports multiple references (LVCMOS, LVPECL, LVDS, HCSL).
- Outputs: 8 configurable outputs (up to 2.1 GHz) with LVDS, LVPECL, or HCSL formats.
- Jitter Cleaning: <100 fs RMS (12 kHz–20 MHz).
- Redundancy: Automatic hitless switching between references.
- Flexibility: Programmable via SPI or pin-strapping.
Applications include 5G base stations, optical transport, and test equipment. Its robust design ensures reliable clock distribution in demanding environments.
For detailed specs, refer to the [TI datasheet](https://www.ti.com/lit/ds/symlink/lmk05318.pdf).
Equivalent
Equivalent products to the LMK05318RGZR (a high-performance clock conditioner from Texas Instruments) include:
- Si5345/44/42 from Silicon Labs (now Skyworks)
- HMC7044 from Analog Devices (now Renesas)
- 8T49N287 from Renesas
These alternatives offer similar features like low jitter, multi-output clock generation, and synchronization capabilities. Always verify compatibility with your specific design requirements.
- Si5345/44/42 from Silicon Labs (now Skyworks)
- HMC7044 from Analog Devices (now Renesas)
- 8T49N287 from Renesas
These alternatives offer similar features like low jitter, multi-output clock generation, and synchronization capabilities. Always verify compatibility with your specific design requirements.
Features
The LMK05318RGZR is a high-performance clock conditioner from Texas Instruments with the following key features:
- Ultra-low jitter: <100 fs RMS (12 kHz–20 MHz) for superior signal integrity.
- Dual PLL architecture: Combines a low-noise analog PLL and a digital PLL for flexible frequency synthesis.
- Wide input/output range: Supports inputs up to 1.4 GHz and outputs up to 1.6 GHz.
- Multiple outputs: 8 configurable outputs (LVPECL, LVDS, HCSL, or LVCMOS).
- Integrated VCO: Eliminates external VCO, reducing BOM complexity.
- Hitless switching: Seamless reference switching for uninterrupted operation.
- Programmable features: On-chip EEPROM for customizable settings.
- Industrial-grade: Operates from -40°C to +105°C.
Ideal for 5G, networking, and high-speed data converters.
- Ultra-low jitter: <100 fs RMS (12 kHz–20 MHz) for superior signal integrity.
- Dual PLL architecture: Combines a low-noise analog PLL and a digital PLL for flexible frequency synthesis.
- Wide input/output range: Supports inputs up to 1.4 GHz and outputs up to 1.6 GHz.
- Multiple outputs: 8 configurable outputs (LVPECL, LVDS, HCSL, or LVCMOS).
- Integrated VCO: Eliminates external VCO, reducing BOM complexity.
- Hitless switching: Seamless reference switching for uninterrupted operation.
- Programmable features: On-chip EEPROM for customizable settings.
- Industrial-grade: Operates from -40°C to +105°C.
Ideal for 5G, networking, and high-speed data converters.
Pinout
The LMK05318RGZR is a high-performance clock conditioner from Texas Instruments.
- Pin Count: 48-pin (VQFN package)
- Key Functions:
- Clock Generation: Provides ultra-low jitter clock synthesis and distribution.
- Inputs: Supports two differential or single-ended inputs (up to 1.5 GHz).
- Outputs: 8 differential outputs (LVPECL, LVDS, or HCSL) with independent frequency control.
- Features: Includes dual PLLs (low-noise DSPLL and integer PLL), hitless switching, and advanced jitter cleaning.
- Applications: Used in telecom, networking, and high-speed data converters.
For detailed specs, refer to the datasheet.
- Pin Count: 48-pin (VQFN package)
- Key Functions:
- Clock Generation: Provides ultra-low jitter clock synthesis and distribution.
- Inputs: Supports two differential or single-ended inputs (up to 1.5 GHz).
- Outputs: 8 differential outputs (LVPECL, LVDS, or HCSL) with independent frequency control.
- Features: Includes dual PLLs (low-noise DSPLL and integer PLL), hitless switching, and advanced jitter cleaning.
- Applications: Used in telecom, networking, and high-speed data converters.
For detailed specs, refer to the datasheet.
Application
The LMK05318RGZR is a high-performance clock generator and jitter cleaner from Texas Instruments. Its key application areas include:
1. Telecommunications: Synchronization in 5G base stations, optical transport networks (OTN), and packet-based networks.
2. Data Centers: Precision timing for servers, switches, and storage systems.
3. Industrial & Test Equipment: High-speed ADCs, DACs, and FPGA-based systems requiring low-jitter clocks.
4. Broadcast & Video: Synchronization in professional video equipment and broadcast infrastructure.
5. Networking: Timing for routers, switches, and PHY devices in wired/wireless networks.
It excels in applications demanding ultra-low jitter, multi-output synchronization, and robust phase noise performance.
1. Telecommunications: Synchronization in 5G base stations, optical transport networks (OTN), and packet-based networks.
2. Data Centers: Precision timing for servers, switches, and storage systems.
3. Industrial & Test Equipment: High-speed ADCs, DACs, and FPGA-based systems requiring low-jitter clocks.
4. Broadcast & Video: Synchronization in professional video equipment and broadcast infrastructure.
5. Networking: Timing for routers, switches, and PHY devices in wired/wireless networks.
It excels in applications demanding ultra-low jitter, multi-output synchronization, and robust phase noise performance.
Package
The LMK05318RGZR is available in a 48-pin VQFN (RGZ) package. This surface-mount package measures 7mm × 7mm with a 0.5mm pin pitch, offering compact size and good thermal performance for high-frequency clock applications. The VQFN (Very Thin Quad Flat No-Lead) design enhances PCB space efficiency and electrical performance.