Name: Texas Instruments LMK0482 Series
Brand: Texas Instruments
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SNAU145B–MAY 2013–Revised March 2018

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LMK04826 and LMK04828 User’s Guide

In Figure 3 and Figure 4, the Blue trace is DCLKout6 at 245.76 MHz and the Green trace is SDCLKout7

(SYSREF) at 24.475 MHz. Figure 5 shows the configuration of the LMK0482xB outputs.

Figure 3. Continuous SYSREF Output

Table of Contents1
Evaluation Board Kit Contents2
Quick Start3
Quick Start Diagram3
Clkout Page Description Diagram4
Continuous SYSREF Output6
Pulsed SYSREF Output7
Clock Outputs Page Setup for SYSREF Output on Sdclkout78
PLL Loop Filters and Loop Parameters9
Default TICS Pro Modes for the Lmk0482X10
Selecting a Default Mode for the LMK04828 Device10
Using TICS Pro to Program the Lmk0482X11
Selecting the LMK04828B12
Loading the Device12
Setting the Default Mode for LMK0482814
Setting Digital Delay, Clock Divider, Analog Delay and Output Format15
Evaluation Board Inputs and Outputs16
Recommended Test Equipment19
Appendix Atics Pro Usage20
TICS Pro - User Controls Page21
TICS Pro - Raw Registers Page22
TICS Pro - Set Modes Page23
TICS Pro - Clkinx Control Page24
TICS Pro - SYNC / SYSREF Page25
TICS Pro - Clock Outputs Page26
TICS Pro - Other Page27
TICS Pro - Burst Page28
Appendix B Typical Phase Noise Performance Plots29
Crystek CVHD-950-122.88 Mhz VCXO Phase Noise at 122.88 Mhz30
LMK04826 Dclkout2, VCO0, 245.76 Mhz, Div8, LVPECL20 /W 240-Ω Emitter Resistor, Dclkoutx_Mux=Divider, IDL=1, ODL=0, Balun = Prodyn BIB-100G31
LMK04826 Dclkout2, VCO0, 245.76 Mhz, Div8, LVPECL20 /W 240-Ω Emitter Resistor, Dclkoutx_Mux=Divider, IDL=1, ODL=0, Single Ended32
LMK04826 Dclkout2, VCO1, 245.76 Mhz, Div10, LVPECL20 /W 240 Ohm Emitter Resistor, Dclkoutx_Mux=Divider, IDL=1, ODL=0, Balun = Prodyn BIB-100G33
LMK04826 Dclkout2, VCO1, 245.76 Mhz, Div10 , LVPECL20 /W 240-Ω Emitter Resistor, Dclkoutx_Mux=Divider, IDL=1, ODL=0, Single Ended34
Appendix C Schematics39
Appendix D Bill of Materials45

Brand	Texas Instruments
Model	LMK0482 Series
Category	Motherboard
Language	English

Texas Instruments LMK0482 Series User Guide

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