LMK61E08 datasheet(1/54 Pages) TI

부품명	LMK61E08

상세설명	LMK61E08 Ultra-Low Jitter Programmable Oscillator With Internal EEPROM

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제조업체	TI [Texas Instruments]

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SCL

OUTN

VDD

SDA

GND

OUTP

1

6

2

5

4

3

LMK61E0X

Ultra-high performance oscillator

PLL

Output

Divider

Output

Buffer

Power

Conditioning

Interface

I

2C/EEPROM

Integrated

Oscillator

Product

Folder

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An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

LMK61E08

SNAS805 – JUNE 2020

LMK61E08 Ultra-Low Jitter Programmable Oscillator With Internal EEPROM

1

1 Features

1

•

Ultra-Low Noise, High Performance

–

Jitter: 90-fs RMS Typical fOUT > 100 MHz on

LMK61E08

–

PSRR: –70 dBc, Robust Supply Noise

Immunity on LMK61E08

•

Flexible Output Format on LMK61E08

–

LVPECL up to 1 GHz

–

LVDS up to 900 MHz

–

HCSL up to 400 MHz

•

Total Frequency Tolerance of ±25 ppm

•

System Level Features

–

Glitch-Less Frequency Margining: Up to ±1000

ppm From Nominal

–

Internal EEPROM: User Configurable Start-Up

Settings

•

Other Features

–

Device Control: Fast Mode I2C up to 1000 kHz

–

3.3-V Operating Voltage

–

Industrial Temperature Range (–40ºC to

+85ºC)

–

7-mm × 5-mm 6-Pin Package

•

Default Frequency:

–

70.656 MHz

2 Applications

•

High-Performance Replacement for Crystal, SAW,

or Silicon-Based Oscillators

•

Switches, Routers, Network Line Cards, Base

Band Units (BBU), Servers, Storage/SAN

•

Test and Measurement

•

Medical Imaging

•

FPGA, Processor Attach

•

xDSL, Broadcast Video

3 Description

The LMK61E08 family of ultra-low jitter PLLatinum™

programmable oscillators uses fractional-N frequency

synthesizers

with

integrated

VCOs

to

generate

commonly used reference clocks. The output on

LMK61E08 can be configured as LVPECL, LVDS, or

HCSL. The device features self-start-up from on-chip

EEPROM to generate a factory-programmed default

output

frequency,

or

the

device

registers

and

EEPROM settings are fully programmable in-system

through an I2C serial interface. The device provides

fine and coarse frequency margining control through

an I2C serial interface, making it a digitally-controlled

oscillator (DCXO).

The PLL feedback divider can be updated to adjust

the output frequency without spikes or glitches in

steps of <1ppb using a PFD of 12.5 MHz (R

divider=4, doubler disabled) for compatibility with

xDSL requirements, or in steps of <5.2 ppb using a

PFD of 100 MHz (R divider=1, doubler enabled) for

compatibility with broadcast video requirements. The

frequency margining features also facilitate system

design verification tests (DVT), such as standards

compliance and system timing margin testing.

Device Information(1)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

LMK61E08

QFM (6)

7.00 mm × 5.00 mm

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Pinout and Simplified Block Diagram

유사한 부품 번호 - LMK61E08

제조업체	부품명	데이터시트	상세설명
Texas Instruments	LMK61E0-050M	980Kb / 22P	[Old version datasheet] High-Performance Ultra-Low Jitter Oscillator
	LMK61E0-050M	447Kb / 22P	[Old version datasheet] LMK61XX High-Performance Ultra-Low Jitter Oscillator
	LMK61E0-050M	463Kb / 22P	[Old version datasheet] High-Performance Ultra-Low Jitter Oscillator
	LMK61E0-050M00	980Kb / 22P	[Old version datasheet] High-Performance Ultra-Low Jitter Oscillator
	LMK61E0-050M00	463Kb / 22P	[Old version datasheet] High-Performance Ultra-Low Jitter Oscillator

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유사한 설명 - LMK61E08

제조업체	부품명	데이터시트	상세설명
Texas Instruments	LMK61E2	1Mb / 55P	[Old version datasheet] Ultra-Low Jitter Programmable Oscillator with Internal EEPROM
	LMK61E0M	856Kb / 47P	[Old version datasheet] Ultra-Low Jitter Programmable Oscillator with Internal EEPROM
	LMK61E07	1Mb / 52P	[Old version datasheet] Ultra-Low Jitter Programmable Oscillator With Internal EEPROM
	LMK61E2	1Mb / 51P	[Old version datasheet] Ultra-Low Jitter Programmable Oscillator
Micrel Semiconductor	MX852BB0030	1Mb / 11P	Ultra-Low Jitter XTAL Oscillator with Fanout
Micrel Semiconductor	MX852EB0027	1Mb / 11P	Ultra-Low Jitter XTAL Oscillator with Fanout
Silicon Laboratories	SI535	323Kb / 12P	ULTRA LOW JITTER CRYSTAL OSCILLATOR
Micrel Semiconductor	DSC8101	682Kb / 6P	Programmable Low-Jitter Precision CMOS Oscillator
	DSC8102	605Kb / 6P	Programmable Low-Jitter Precision LVPECL Oscillator
	DSC8103	609Kb / 6P	Programmable Low-Jitter Precision LVDS Oscillator

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