LMK04806BISQE/NOPB
Clock Synthesizer / Jitter Cleaner Lo-Noise Clock Jittr Cleaner w/ Cscd PLL
Inventory:9,893
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Part Number : LMK04806BISQE/NOPB
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Package/Case : WQFN-64
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Brands : TI
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Components Categories : Clock Generators, PLLs, Frequency Synthesizers
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Datesheet : LMK04806BISQE/NOPB DataSheet (PDF)
Overview of LMK04806BISQE/NOPB
The LMK0480x family is the industrys highest performance clock conditioner with superior clock jitter cleaning, generation, and distribution with advanced features to meet next generation system requirements. The dual loop PLLatinum architecture is capable of 111 fs rms jitter (12 kHz to 20 MHz) using a low noise VCXO module or sub-200 fs rms jitter (12 kHz to 20 MHz) using a low cost external crystal and varactor diode.
The dual loop architecture consists of two high-performance phase-locked loops (PLL), a low-noise crystal oscillator circuit, and a high-performance voltage controlled oscillator (VCO). The first PLL (PLL1) provides low-noise jitter cleaner functionality while the second PLL (PLL2) performs the clock generation. PLL1 can be configured to either work with an external VCXO module or the integrated crystal oscillator with an external tunable crystal and varactor diode. When paired with a very narrow loop bandwidth, PLL1 uses the superior close-in phase noise (offsets below 50 kHz) of the VCXO module or the tunable crystal to clean the input clock. The output of PLL1 is used as the clean input reference to PLL2 where it locks the integrated VCO. The loop bandwidth of PLL2 can be optimized to clean the far-out phase noise (offsets above 50 kHz) where the integrated VCO outperforms the VCXO module or tunable crystal used in PLL1.
Key Features
- Ultra-Low RMS Jitter Performance
- 111 fs RMS Jitter (12 kHz to 20 MHz)
- 123 fs RMS Jitter (100 Hz to 20 MHz)
- Dual Loop PLLatinum™ PLL Architecture
- PLL1
- Integrated Low-Noise Crystal Oscillator
Circuit - Holdover Mode when Input Clocks are Lost
- Automatic or Manual Triggering/Recovery
- Integrated Low-Noise Crystal Oscillator
- PLL2
- Normalized PLL Noise Floor of –227 dBc/Hz
- Phase Detector Rate up to 155 MHz
- OSCin Frequency-Doubler
- Integrated Low-Noise VCO
- 2 Redundant Input Clocks with LOS
- Automatic and Manual Switch-Over Modes
- 50 % Duty Cycle Output Divides, 1 to 1045 (Even
and Odd) - 12 LVPECL, LVDS, or LVCMOS Programmable
Outputs - Digital Delay: Fixed or Dynamically Adjustable
- 25 ps Step Analog Delay Control.
- 14 Differential Outputs. Up to 26 Single Ended.
- Up to 6 VCXO/Crystal Buffered Outputs
- Clock Rates of up to 1536 MHz
- 0-Delay Mode
- Three Default Clock Outputs at Power Up
- Multi-Mode: Dual PLL, Single PLL, and Clock
Distribution - Industrial Temperature Range: –40 to 85°C
- 3.15-V to 3.45-V Operation
- 2 Dedicated Buffered/Divided OSCin Clocks
- Package: 64-Pin WQFN (9.0 × 9.0 × 0.8 mm)
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Series | LMK04806 | Product Status | Active |
Programmabe | Not Verified | Type | Jitter Cleaner |
PLL | Yes | Input | LVCMOS, LVDS, LVPECL |
Output | LVCMOS, LVDS, LVPECL | Ratio - Input:Output | 2:14 |
Differential - Input:Output | Yes/Yes | Frequency - Max | 1.536GHz |
Divider/Multiplier | Yes/No | Voltage - Supply | 3.15V ~ 3.45V |
Operating Temperature | -40°C ~ 85°C | Mounting Type | Surface Mount |
Package / Case | WQFN-64 | Supplier Device Package | 64-WQFN (9x9) |
Manufacturer | Texas Instruments | Product Category | Clock Synthesizer / Jitter Cleaner |
RoHS | Details | Number of Outputs | 14 Output |
Output Level | LVCMOS, LVDS, LVPECL | Max Output Freq | 2600 MHz |
Input Level | LVCMOS, LVDS, LVPECL | Supply Voltage - Max | 3.45 V |
Supply Voltage - Min | 3.15 V | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature | + 85 C | Mounting Style | SMD/SMT |
Brand | Texas Instruments | Features | Holdover mode, Int. xtal oscillator, Manual/auto switch, SPI, uWire |
Height | 0.8 mm | Length | 9 mm |
Moisture Sensitive | Yes | Operating Supply Current | 505 mA |
Operating Supply Voltage | 3.15 V to 3.45 V | Product Type | Clock Synthesizers / Jitter Cleaners |
Factory Pack Quantity | 250 | Subcategory | Clock & Timer ICs |
Width | 9 mm | Unit Weight | 0.007704 oz |
Warranty & Returns
Warranty, Returns, and Additional Information
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Returns for refund: within 90 days
Returns for Exchange: within 90 days
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