Datasheet Texas Instruments LMK04000

Manufacturer	Texas Instruments
Series	LMK04000

Datasheets

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Packaging

Parametrics

Parameters / Models	LMK04000BISQ/NOPB	LMK04000BISQE/NOPB	LMK04000BISQX/NOPB
Number of Inputs	2	2	2
Number of Outputs	7	7	7
Operating Temperature Range, C	-40 to 85	-40 to 85	-40 to 85
Output Frequency(Max), MHz	1296	1296	1296
Output Frequency(Min), MHz	0.29	0.29	0.29
Output Level	2VPECL,LVCMOS,LVPECL	2VPECL,LVCMOS,LVPECL	2VPECL,LVCMOS,LVPECL
Package Group	WQFN	WQFN	WQFN
Package Size: mm2:W x L, PKG	48WQFN: 49 mm2: 7 x 7(WQFN)	48WQFN: 49 mm2: 7 x 7(WQFN)	48WQFN: 49 mm2: 7 x 7(WQFN)
RMS Jitter	0.13	0.13	0.13
Rating	Catalog	Catalog	Catalog
Special Features	Int. xtal oscillator,Manual/auto switch	Int. xtal oscillator,Manual/auto switch	Int. xtal oscillator,Manual/auto switch
Supply Voltage(Max), V	3.45	3.45	3.45
Supply Voltage(Min), V	3.15	3.15	3.15
VCO Frequency(Max), MHz	1296	1296	1296
VCO Frequency(Min), MHz	1185	1185	1185

Eco Plan

Application Notes

• Download
  AN-1865 Frequency Synthesis and Planning for PLL Architectures (Rev. C)
  PDF, 173 Kb, Revision: C, File published: Apr 26, 2013
  This application report demonstrates the importance of understanding the least common multiple (LCM) and greatest common divisor (GCD).
• Download
  AN-1821 CPRI Repeater System (Rev. A)
  PDF, 1.2 Mb, Revision: A, File published: Apr 26, 2013
  This application report implements the Common Public Radio Interface (CPRI) for Remote Radio Heads(RRHs). The designer can use this application report for developing CPRI-based repeater systems inpoint-to-point or multi-hop configurations. This application report consists of:Designs for the CPRI SerDes Repeater Boards for the Radio Equipment (RE) and Radio EquipmentController (REC)
• Download
  Phase Synchronization with Multiple Devices and Frequencies (Rev. A)
  PDF, 199 Kb, Revision: A, File published: Apr 26, 2013
  This application note discusses how phase synchronization can be achieved when multiple chips are involved and also when the frequencies are not the same.
• Download
  AN-1910 LMK04000 Family Phase Noise Characterization (Rev. A)
  PDF, 5.1 Mb, Revision: A, File published: Apr 26, 2013
  The purpose of this applications report is to present phase noise and jitter measurements representing the clock outputs of the LMK04000 family of Precision Clock Conditioners, when paired with various voltage controlled oscillators (VCXOs). The intent is to illustrate the relationship between clock output phase noise and VCXO phase noise.
• Download
  AN-1939 Crystal Based Oscillator Design with the LMK04000 Family (Rev. A)
  PDF, 8.2 Mb, Revision: A, File published: Apr 26, 2013
  This application report for the LMK04000 family of clock conditioners covers the design of an external oscillator circuit using a crystal resonator.
• Download
  AN-1734 Using the LMK03000C to Clean Recovered Clocks (Rev. B)
  PDF, 193 Kb, Revision: B, File published: Apr 26, 2013
  This application note delivers an example of how to clean recovered clocks, using the SCAN25100 SERDES and LMK03000C clock conditioner.

Model Line

Manufacturer's Classification

• Semiconductors> Clock and Timing> Clock Jitter Cleaners> Dual / Cascaded PLL