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LMK04832NKDR
+NomenclatureIC JITTER CLEANER 64WQFN
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FabricantTexas Instruments
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Pièce fabricant #LMK04832NKDR
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Package WQFN-64
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En stock2328
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR) |
| ProductStatus | Active |
| Type | Jitter Cleaner |
| PLL | Yes |
| Input | Clock |
| Output | CML, HSDS, LCPECL, LVCMOS, LVDS, LVPECL |
| Ratio-Input:Output | 3:14 |
| Differential-Input:Output | Yes/Yes |
| Frequency-Max | 3.255GHz |
| Divider/Multiplier | Yes/No |
| Voltage-Supply | 3.15V ~ 3.45V |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 64-WFQFN Exposed Pad |
Présentation
Description
### Key Features:
- Dual PLL architecture (low-noise digital PLL + ultra-low-jitter analog PLL) for superior phase noise performance.
- Supports input frequencies up to 3.1 GHz and output clocks up to 3.2 GHz.
- 12 configurable outputs (LVPECL, LVDS, LVCMOS) with independent delay adjustment.
- Integrated VCO (1.6–3.2 GHz) and external VCO support.
- SPI interface for flexible configuration.
### Applications:
- Wireless base stations, test & measurement equipment, medical imaging, and high-speed data converters.
### Package:
- 64-pin WQFN (NKDR) with an exposed thermal pad for improved heat dissipation.
This device is ideal for systems requiring ultra-low jitter and high-frequency clock distribution.
Would you like details on a specific feature?
Equivalent
- AD9528 (Analog Devices) – Similar jitter performance and features.
- HMC7044 (Analog Devices) – Offers multi-output synchronization.
- Si5345 (Silicon Labs) – Flexible clock generator with low jitter.
- MAX31790 (Maxim Integrated) – Precision clock synthesizer.
Check datasheets for exact compatibility in your application.
Features
- Dual PLL Architecture: Combines a low-noise PLL (for jitter cleaning) with a high-performance VCO-based PLL for flexible frequency synthesis.
- Wide Frequency Range: Supports input clocks up to 3.2 GHz and outputs up to 3.5 GHz.
- Ultra-Low Jitter: Sub-100 fs RMS jitter (12 kHz–20 MHz) for high-speed applications.
- Multiple Outputs: 14 configurable outputs (LVPECL, LVDS, LVCMOS) with independent dividers and delays.
- Integrated VCO: On-chip VCO with 2375–2625 MHz range, eliminating external components.
- SPI Interface: For flexible configuration and control.
- Redundant Inputs: Supports automatic or manual switchover for reliability.
- Low Power: Optimized for power-sensitive applications.
Ideal for 5G, radar, test equipment, and high-speed data converters.
Pinout
- Pin Count: 64-pin (VQFN package)
- Key Functions:
- Dual PLL architecture with low noise and high flexibility.
- Supports up to 12 differential outputs (configurable as LVPECL, LVDS, or LVCMOS).
- Integrated VCO (1.8–2.4 GHz) with external VCO support.
- Features jitter cleaning, clock distribution, and synchronization.
- SPI interface for configuration.
It is commonly used in high-speed data converters, wireless infrastructure, and test equipment.
Manufacturer
The LMK04832NKDR is a high-performance clock conditioner and jitter cleaner, reflecting TI's expertise in precision timing solutions.
Application
- Telecommunications: Synchronization in base stations, optical networks, and backhaul equipment.
- Test & Measurement: Precision timing for oscilloscopes, signal generators, and spectrum analyzers.
- Data Centers: Clock distribution in high-speed servers and networking hardware.
- Industrial Systems: Timing for ADCs, DACs, and FPGA-based designs.
- Aerospace & Defense: Radar, avionics, and secure communications requiring low-jitter clocks.
It excels in systems needing ultra-low phase noise, multiple outputs, and flexible clock management.