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LMK61E0-050M_17 Datasheet, PDF (1/22 Pages) Texas Instruments – LMK61XX High-Performance Ultra-Low Jitter Oscillator
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LMK61E0-050M, LMK61E0-155M, LMK61E2-100M, LMK61E2-125M, LMK61E2-156M
LMK61E2-312M, LMK61A2-100M, LMK61A2-125M, LMK61A2-156M, LMK61A2-312M
LMK61I2-100M
SNAS676C – OCTOBER 2015 – REVISED SEPTEMBER 2017
LMK61XX High-Performance Ultra-Low Jitter Oscillator
1 Features
•1 Ultra-low Noise, High Performance
– Jitter: 90 fs RMS Typical Fout > 100 MHz
– PSRR: –70 dBc, Robust Supply Noise
Immunity
• Supported Output Format
– LVPECL up to 1 GHz
– LVDS up to 900 MHz
– HCSL up to 400 MHz
• Total Frequency Tolerance of ± 50 ppm
(LMK61X2) and ± 25 ppm (LMK61X0)
• 3.3-V Operating Voltage
• Industrial Temperature Range (–40ºC to +85ºC)
• 7 mm × 5 mm 6-Pin Package, Pin-Compatible
With Industry Standard 7050 XO Package
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
3 Description
The LMK61XX is an ultra-low jitter oscillator that
generates a commonly used reference clock. The
device is pre-programmed in factory to support any
reference clock frequency; supported output formats
are LVPECL up to 1 GHz, LVDS up to 900 MHz, and
HCSL up to 400 MHz. Internal power conditioning
provide excellent power supply ripple rejection
(PSRR), reducing the cost and complexity of the
power delivery network. The device operates from a
single 3.3 V ± 5% supply.
PART
NUMBER
LMK61A2-
100M00
LMK61A2-
125M00
LMK61A2-
156M25
LMK61A2-
312M50
LMK61E0-
050M00
LMK61E0-
155M52
LMK61E2-
100M00
LMK61E2-
125M00
LMK61E2-
156M25
LMK61E2-
312M50
LMK61I2-
100M00
Device Information(1)
OUTPUT FREQ
(MHz) AND
FORMAT
TOTAL FREQ
STABILITY (PPM)
100 LVDS
± 50
PACKAGE
125 LVDS
± 50
156.25 LVDS
± 50
312.5 LVDS
± 50
50 LVPECL
155.52 LVPECL
100 LVPECL
± 25
6-pin QFM
± 25
(7.0 mm x 5.0
mm)
± 50
125 LVPECL
± 50
156.25 LVPECL
± 50
312.5 LVPECL
± 50
100 HCSL
± 50
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
OE 1
Pinout
6 VDD
65
4
NC 2
5 OUTN
GND 3
4 OUTP
12 3
1
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.