The MAX9491 multipurpose clock generator is ideal for
communication applications. It offers a factory-programmable
PLL output that can be set to almost any frequency,
ranging from 4MHz to 200MHz. The MAX9491 uses a
one-time-programmable (OTP) ROM to program the PLL
output. The MAX9491 also features an integrated voltage-controlled crystal oscillator (VCXO) that is tuned by a
DC voltage. The VCXO output is used as the PLL input.
The VCXO has a wide ±200ppm (typ) tuning range. The
OTP on the MAX9491 is factory preset, based upon the
customer request. Contact the factory for samples with
preferred frequencies.
The device operates from a 3.3V supply and is specified
over the -40°C to +85°C extended temperature
range. The MAX9491 is available in 14-pin TSSOP and
20-pin TQFN (5mm x 5mm) packages.
Key Features
Applications/Uses
5MHz to 35MHz for Crystal-Clock Reference
5MHz to 50MHz for a Driver Clock Reference
One Fractional-N PLL with Buffered Output
4MHz to 200MHz Output Frequency Range
Low RMS Jitter PLL (< 13ps) at 197 MHz
Integrated VCXO with ±200ppm Tuning Range
Available in 14-Pin TSSOP and 20-Pin TQFN
Packages
Notes: **This pricing is BUDGETARY, for comparing similar parts. Prices are in
U.S. dollars and subject to change. Quantity pricing may vary
substantially and international prices may differ due to local
duties, taxes, fees, and exchange rates. For volume-specific prices
and delivery, please see the price and availability page
or contact an authorized distributor.
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