LMK01801_15 Datasheet, PDF (1/51 Pages) Texas Instruments – Dual Clock Divider Buffer

LMK01801
www.ti.com
SNAS573A – JANUARY 2012 – REVISED APRIL 2013
LMK01801 Dual Clock Divider Buffer
Check for Samples: LMK01801
1 Device Summary
1.1 Features
12
• Pin Control Mode or MICROWIRE (SPI)
• Input and Output Frequency Range 1 kHz to 3.1
GHz
• Separate Input for Clock Output Banks A & B.
• 14 Differential Clock Outputs in Two Banks (A
& B)
– Output Bank A
• 8 Differential, Programmable Outputs (Up
to 8 as LVCMOS)
• Divider Values of 1 to 8, Even and Odd.
– Output Bank B
• 6 Differential Outputs (or up to 12 as
LVCMOS)
• Divides Values of 1 to 1045 or 1 to 8,
Even and Odd
• Analog and Digital Delays
• 50% Duty Cycle on All Outputs for All Divides
• Separate Synchronization of Bank A and B.
• RMS Additive Jitter 50 fs at 800 MHz
– 50 fs RMS Additive Jitter (12 kHz to 20 MHz)
• Industrial Temperature Range: -40 to 85 °C
• 3.15 V to 3.45 V Operation
1.2 Target Applications
• High Performance Clock Distribution and Division
• Wireless Infrastructure
• Datacom and Telecom Clock Distribution
• Medical Imaging
• Test and Measurement
• Military / Aerospace
1.3 Description
The LMK01801 is a very low noise solution for clocking systems that require distribution and frequency
division of precision clocks.
The LMK01801 features extremely low residual noise, frequency division, digital and analog delay
adjustments, and fourteen (14) programmable differential outputs: LVPECL, LVDS and LVCMOS (2
outputs per differential output).
The LMK01801 features two independent inputs that can be driven differentially (LVDS, LVPECL) or in
single-ended mode (LVCMOS, RF Sinewave). The first input drives output Bank A consisting of eight (8)
outputs. The second input drives output Bank B consisting of six (6) outputs.
1
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2
PRODUCTION DATA information is current as of publication date. Products conform to
specifications per the terms of the Texas Instruments standard warranty. Production
processing does not necessarily include testing of all parameters.
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