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LMX2541的基本参数
  • 制造厂商:TI
  • 产品类别:射频与微波
  • 技术类目:射频 PLL 与合成器
  • 功能描述:具有集成 VCO 的超低噪声 PLLatinum 频率合成器
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LMX2541的产品详情:

The LMX2541 is an ultra low-noise frequency synthesizer which integrates a high performance delta-sigma fractional N PLL, a VCO with fully integrated tank circuit, and an optional frequency divider. The PLL offers an unprecedented normalized noise floor of -225 dBc/Hz and can be operated with up to 104 MHz of phase-detector rate (comparison frequency) in both integer and fractional modes. The PLL can also be configured to work with an external VCO.

The LMX2541 integrates several low-noise, high precision LDOs and output driver matching network to provide higher supply noise immunity and more consistent performance, while reducing the number of external components. When combined with a high quality reference oscillator, the LMX2541 generates a very stable, ultra low-noise signal.

The LMX2541 is offered in a family of 6 devices with varying VCO frequency range from 1990 MHz up to 4 GHz. Using a flexible divider, the LMX2541 can generate frequencies as low as 31.6 MHz.

The LMX2541 is a monolithic integrated circuit, fabricated in a proprietary BiCMOS process. Device programming is facilitated using a three-wire MICROWIRE interface that can operate down to 1.6 volts. Supply voltage ranges from 3.15 V to 3.45 V. The LMX2541 is available in a 36-pin 6-mm × 6-mm × 0.8-mm WQFN Package.

LMX2541的优势和特性:
  • Multiple Frequency Options Available (See Device Comparison Table)
  • Frequencies from 31.6 MHz to 4000 MHz
  • Very Low RMS Noise and Spurs
  • –225 dBc/Hz Normalized PLL Phase Noise
  • Integrated RMS Noise (100 Hz – 20 MHz)
    • 2 mRad (100 Hz – 20 MHz) at 2.1 GHz
    • 3.5 mRad (100 Hz - 20 MHz) at 3.5 GHz
  • Ultra Low-Noise Integrated VCO
  • External VCO Option (Internal VCO Bypassed)
  • VCO Frequency Divider 1 to 63 (all values)
  • Programmable Output Power
  • Up to 104-MHz Phase Detector Frequency
  • Integrated Low-Noise LDOs
  • Programmable Charge Pump Output
  • Partially Integrated Loop Filter
  • Digital Frequency Shift Keying (FSK) Modulation Pin
  • Integrated Reference Crystal Oscillator Circuit
  • Hardware and Software Power Down
  • FastLock Mode and VCO-Based Cycle Slip Reduction
  • Analog and Digital Lock Detect
  • 1.6-V Logic Compatibility
LMX2541的参数(英文):
  • Integrated VCO
  • Yes
  • Output frequency (Min) (MHz)
  • 32
  • Output frequency (Max) (MHz)
  • 4000
  • Normalized PLL phase noise (dBc/Hz)
  • -226
  • Current consumption (mA)
  • 120
  • 1/f noise (10-kHz offset at 1-GHz carrier) (dBc/Hz)
  • -125
LMX2541具体的完整产品型号参数及价格(美元):

LMX2541的完整型号有:LMX2541SQ2060E/NOPB、LMX2541SQ2380E/NOPB、LMX2541SQ2690E/NOPB、LMX2541SQ3030E/NOPB、LMX2541SQ3320E/NOPB、LMX2541SQ3740E/NOPB、LMX2541SQE2060E/NOPB、LMX2541SQE2380E/NOPB、LMX2541SQE2690E/NOPB、LMX2541SQE3030E/NOPB、LMX2541SQE3320E/NOPB、LMX2541SQE3740E/NOPB,以下是这些产品的关键参数及官网采购报价:

LMX2541SQ2060E/NOPB,工作温度:-40 to 85,封装: (NJK)-36,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LMX2541SQ2060E/NOPB的批量USD价格:6.006(1000+)

LMX2541SQ2380E/NOPB,工作温度:-40 to 85,封装: (NJK)-36,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LMX2541SQ2380E/NOPB的批量USD价格:6.006(1000+)

LMX2541SQ2690E/NOPB,工作温度:-40 to 85,封装: (NJK)-36,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LMX2541SQ2690E/NOPB的批量USD价格:6.006(1000+)

LMX2541SQ3030E/NOPB,工作温度:-40 to 85,封装: (NJK)-36,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LMX2541SQ3030E/NOPB的批量USD价格:6.006(1000+)

LMX2541SQ3320E/NOPB,工作温度:-40 to 85,封装: (NJK)-36,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LMX2541SQ3320E/NOPB的批量USD价格:6.006(1000+)

LMX2541SQ3740E/NOPB,工作温度:-40 to 85,封装: (NJK)-36,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LMX2541SQ3740E/NOPB的批量USD价格:6.006(1000+)

LMX2541SQE2060E/NOPB,工作温度:-40 to 85,封装: (NJK)-36,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LMX2541SQE2060E/NOPB的批量USD价格:7.207(1000+)

LMX2541SQE2380E/NOPB,工作温度:-40 to 85,封装: (NJK)-36,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LMX2541SQE2380E/NOPB的批量USD价格:7.207(1000+)

LMX2541SQE2690E/NOPB,工作温度:-40 to 85,封装: (NJK)-36,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LMX2541SQE2690E/NOPB的批量USD价格:7.207(1000+)

LMX2541SQE3030E/NOPB,工作温度:-40 to 85,封装: (NJK)-36,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LMX2541SQE3030E/NOPB的批量USD价格:7.207(1000+)

LMX2541SQE3320E/NOPB,工作温度:-40 to 85,封装: (NJK)-36,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LMX2541SQE3320E/NOPB的批量USD价格:7.207(1000+)

LMX2541SQE3740E/NOPB,工作温度:-40 to 85,封装: (NJK)-36,包装数量MPQ:250个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LMX2541SQE3740E/NOPB的批量USD价格:7.207(1000+)

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LMX2541的评估套件:

LMX25412380EVAL — LMX25412380 评估板

LMX2541 评估板可简化对 LMX2541 器件的评估。LMX2541 器件的每个版本都有不同的评估板,但各版本都使用相同的指令和软件。

LMX25412690EVAL — LMX25412690 评估板

LMX2541 评估板可简化对 LMX2541 器件的评估。LMX2541 器件的每个版本都有不同的评估板,但各版本都使用相同的指令和软件。

LMX25413030EVAL — LMX25413030 评估板

LMX2541 评估板可简化对 LMX2541 器件的评估。LMX2541 器件的每个版本都有不同的评估板,但各版本都使用相同的指令和软件。

LMX25413320EVAL — LMX25413320 评估板

LMX2541 评估板可简化对 LMX2541 器件的评估。LMX2541 器件的每个版本都有不同的评估板,但各版本都使用相同的指令和软件。

LMX25413740EVAL — LMX25413740 评估板

LMX2541 评估板可简化对 LMX2541 器件的评估。LMX2541 器件的每个版本都有不同的评估板,但各版本都使用相同的指令和软件。

CLOCKDESIGNTOOL — 时钟设计工具 - 环路滤波器和器件配置 + 仿真

The Clock Design Tool software helps with part selection, loop filter design and simulation of timing device solutions. When you enter desired output frequencies and a reference frequency (optional), the tool provides TI devices to meet the specified requirements, divider values and a recommended (...)

PLLATINUMSIM-SW — PLLatinum 仿真工具

PLLATINUMSIM-SW 是一款仿真工具,允许用户创建我们 PLLatinum 集成电路的详细设计和仿真,其中包括 LMX 系列锁相环 (PLL) 和合成器。

TICSPRO-SW — 德州仪器 (TI) 时钟和合成器 (TICS) 专业软件

德州仪器 (TI) 时钟和合成器 (TICS) 专业软件用于对具有以下前缀的产品编号的评估模块 (EVM) 进行编程:CDC、LMK 和 LMX。这些产品包括锁相环和电压控制振荡器 (PLL+VCO)、合成器和时钟器件。

CODELOADER — CodeLoader 器件寄存器编程

The CodeLoader 4 software is used to program the LMX PLLs and LMK timing devices through either the USB or line print terminal (LPT) port of a computer. This software also provides information on how to program the device by showing the bits that are actually sent.


Which software do I use?

Product

(...)

LMX2541 IBIS Model

时钟树架构是一款时钟树综合工具,可根据您的系统要求生成时钟树解决方案,从而帮助您简化设计流程。该工具从庞大的时钟产品数据库中提取数据,然后生成系统级多芯片时钟解决方案。
LMX2541的电路图解:
  • LMX2541的评估套件:
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