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LMX2491RTWR
+NomenclatureIC FREQUENCY SYNTH 24WQFN
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FabricantTexas Instruments
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Pièce fabricant #LMX2491RTWR
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Package WQFN-24
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En stock4926
365 Garantie qualité 24h/24
7*24 Garantie de service 24h/24
90-Garantie après-vente 24h/24
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | Frequency Synthesizer (RF) |
| PLL | Yes |
| Input | Clock |
| Output | Clock |
| Number of Circuits | 1 |
| Ratio - Input: Output | 2:1 |
| Differential - Input: Output | No/No |
| Frequency - Max | 6.4GHz |
| Divider / Multiplier | Yes/Yes |
| Voltage - Supply | 3.15V ~ 3.45V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
Présentation
Description
The LMX2491RTWR is a high-performance PLLatinum™ RF synthesizer from Texas Instruments, designed for low-noise frequency generation in applications like 5G, radar, and test equipment.
### Key Features:
- Frequency Range: 20 MHz to 3.5 GHz (with external VCO).
- Ultra-Low Phase Noise: Optimized for high-frequency stability.
- Integrated PLL & Fractional-N Synthesizer: Supports flexible frequency tuning.
- Fast Locking & High Resolution: 32-bit fractional divider for precise control.
- SPI Interface: Easy digital configuration.
- Small 24-QFN Package: Suitable for space-constrained designs.
### Applications:
- 5G & mmWave systems
- Radar & satellite communications
- Test & measurement equipment
The LMX2491RTWR combines low jitter, fast switching, and high integration, making it ideal for demanding RF applications.
### Key Features:
- Frequency Range: 20 MHz to 3.5 GHz (with external VCO).
- Ultra-Low Phase Noise: Optimized for high-frequency stability.
- Integrated PLL & Fractional-N Synthesizer: Supports flexible frequency tuning.
- Fast Locking & High Resolution: 32-bit fractional divider for precise control.
- SPI Interface: Easy digital configuration.
- Small 24-QFN Package: Suitable for space-constrained designs.
### Applications:
- 5G & mmWave systems
- Radar & satellite communications
- Test & measurement equipment
The LMX2491RTWR combines low jitter, fast switching, and high integration, making it ideal for demanding RF applications.
Equivalent
The LMX2491RTWR is a frequency synthesizer from Texas Instruments. Equivalent products from other manufacturers that might serve similar purposes include:
1. Analog Devices ADF41513: A 13 GHz Fractional-N PLL synthesizer.
2. Analog Devices ADF4159: A 13 GHz Fractional-N PLL synthesizer.
3. Maxim Integrated MAX2870: A wideband PLL with integrated VCO.
4. Silicon Labs Si4113: A high-performance RF Synthesizer.
Note: Compatibility depends on specific design requirements. Always verify specifications and features before selecting a substitute.
1. Analog Devices ADF41513: A 13 GHz Fractional-N PLL synthesizer.
2. Analog Devices ADF4159: A 13 GHz Fractional-N PLL synthesizer.
3. Maxim Integrated MAX2870: A wideband PLL with integrated VCO.
4. Silicon Labs Si4113: A high-performance RF Synthesizer.
Note: Compatibility depends on specific design requirements. Always verify specifications and features before selecting a substitute.
Features
The LMX2491RTWR is a precision frequency synthesizer designed for high-performance applications. Key features include:
1. Wide Frequency Range: Supports output frequencies from near DC up to 15 GHz, making it versatile for different applications.
2. Fractional-N PLL: Utilizes a delta-sigma modulator to achieve fine frequency resolution with low phase noise.
3. High Output Power: Offers programmable output power levels to optimize performance for specific needs.
4. Low Phase Noise: Incorporates advanced technology to minimize phase noise, essential for high-frequency applications.
5. Fast Lock Time: Designed for quick frequency settling, which is critical for applications requiring rapid frequency changes.
6. Integrated VCO: Contains an on-chip voltage-controlled oscillator, reducing the need for external components and simplifying design.
7. Programmable Output Options: Provides flexibility with various output formats and power levels.
8. Power Efficiency: Optimized for low power consumption, which is beneficial for battery-operated devices.
9. Digital Interface: Controlled via a serial interface for ease of integration into digital systems.
These features make the LMX2491RTWR suitable for telecommunications, radar, and other RF applications requiring precise frequency generation.
1. Wide Frequency Range: Supports output frequencies from near DC up to 15 GHz, making it versatile for different applications.
2. Fractional-N PLL: Utilizes a delta-sigma modulator to achieve fine frequency resolution with low phase noise.
3. High Output Power: Offers programmable output power levels to optimize performance for specific needs.
4. Low Phase Noise: Incorporates advanced technology to minimize phase noise, essential for high-frequency applications.
5. Fast Lock Time: Designed for quick frequency settling, which is critical for applications requiring rapid frequency changes.
6. Integrated VCO: Contains an on-chip voltage-controlled oscillator, reducing the need for external components and simplifying design.
7. Programmable Output Options: Provides flexibility with various output formats and power levels.
8. Power Efficiency: Optimized for low power consumption, which is beneficial for battery-operated devices.
9. Digital Interface: Controlled via a serial interface for ease of integration into digital systems.
These features make the LMX2491RTWR suitable for telecommunications, radar, and other RF applications requiring precise frequency generation.
Pinout
The LMX2491RTWR is a 40-pin WQFN package PLLatinum™ RF synthesizer from Texas Instruments.
Key Functions:
- Frequency Synthesizer: Generates stable RF signals with low phase noise.
- Integrated VCO: Covers 1.8 GHz to 3.5 GHz (extendable with external VCO).
- Phase Detector: High-speed 110 MHz PFD for precise frequency control.
- SPI Interface: Serial programming for configuration.
- Dual-Modulus Divider: Supports fractional-N and integer-N modes.
- Outputs: Differential RF outputs with programmable power levels.
Applications: 5G, microwave backhaul, test equipment.
Pins include power (VCC, GND), RF I/O (RFout±, OSCin), SPI (SDIO, SCLK, SEN), and control (MUXout, CPout).
Key Functions:
- Frequency Synthesizer: Generates stable RF signals with low phase noise.
- Integrated VCO: Covers 1.8 GHz to 3.5 GHz (extendable with external VCO).
- Phase Detector: High-speed 110 MHz PFD for precise frequency control.
- SPI Interface: Serial programming for configuration.
- Dual-Modulus Divider: Supports fractional-N and integer-N modes.
- Outputs: Differential RF outputs with programmable power levels.
Applications: 5G, microwave backhaul, test equipment.
Pins include power (VCC, GND), RF I/O (RFout±, OSCin), SPI (SDIO, SCLK, SEN), and control (MUXout, CPout).
Manufacturer
The LMX2491RTWR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic products and components. The company is known for its development of analog integrated circuits, digital signal processors, microcontrollers, and other semiconductor devices that are widely used in various applications, including consumer electronics, industrial equipment, automotive systems, and communications technologies. TI operates in numerous countries and serves a diverse set of industries, emphasizing innovation and technology development.
Application
The LMX2491RTWR is a highly integrated frequency synthesizer and phase detector used in various RF applications. Its primary application areas include:
1. Wireless Communication Systems: Utilized in transceivers for mobile phones, base stations, and satellite communication.
2. Radar Systems: Essential in both military and civilian radar systems for frequency synthesis and modulation.
3. Test and Measurement Equipment: Used in signal generators and spectrum analyzers for precise frequency synthesis.
4. Broadcasting: Plays a role in digital radio and television transmission systems.
5. Industrial and Scientific Applications: Suitable for applications requiring precise frequency control, such as medical imaging and instrumentation.
Its key features, such as low phase noise and high frequency stability, make it valuable in these areas.
1. Wireless Communication Systems: Utilized in transceivers for mobile phones, base stations, and satellite communication.
2. Radar Systems: Essential in both military and civilian radar systems for frequency synthesis and modulation.
3. Test and Measurement Equipment: Used in signal generators and spectrum analyzers for precise frequency synthesis.
4. Broadcasting: Plays a role in digital radio and television transmission systems.
5. Industrial and Scientific Applications: Suitable for applications requiring precise frequency control, such as medical imaging and instrumentation.
Its key features, such as low phase noise and high frequency stability, make it valuable in these areas.
Package
The LMX2491RTWR is a high-performance phase-locked loop (PLL) with integrated voltage-controlled oscillator (VCO) from Texas Instruments. It comes in a 32-pin WQFN (RTW) package, designed for compact and efficient use in RF applications. This package type is typically surface-mount and suitable for high-frequency operations.
