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Numéro de référence | MAX3637 | ||
Description | Programmable Clock Generator | ||
Fabricant | Maxim Integrated Products | ||
Logo | |||
1 Page
19-4909; Rev 0; 10/09
EVAALVUAAILTAIOBNLEKIT
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Low-Jitter, Wide Frequency Range,
Programmable Clock Generator with 10 Outputs
General Description
The MAX3637 is a highly flexible, precision phase-
locked loop (PLL) clock generator optimized for the next
generation of network equipment that demands low-jitter
clock generation and distribution for robust high-speed
data transmission. The device features subpicosecond
jitter generation, excellent power-supply noise rejection,
and pin-programmable LVDS/LVPECL output interfaces.
The MAX3637 provides nine differential outputs and
one LVCMOS output, divided into three banks. The fre-
quency and output interface of each output bank can be
individually programmed, making this device an ideal
replacement for multiple crystal oscillators and clock dis-
tribution ICs on a system board, saving cost and space.
This 3.3V IC is available in a 7mm x 7mm, 48-pin TQFN
package and operates from -40°C to +85°C.
Ethernet Switch/Router
Wireless Base Station
Applications
Fibre Channel SAN
SONET Line Cards
Typical Application Circuits and Pin Configuration appear at
end of data sheet.
Features
S Inputs
Crystal Interface: 18MHz to 33.5MHz
LVCMOS Input: 15MHz to 160MHz
Differential Input: 15MHz to 350MHz
S Outputs
LVCMOS Output: Up to 160MHz
LVPECL/LVDS Outputs: Up to 800MHz
S Three Individual Output Banks
Pin-Programmable Dividers
Pin-Programmable Output Interface
S Wide VCO Tuning Range (3.60GHz to 3.83GHz)
S Low Phase Jitter
0.34psRMS (12kHz to 20MHz)
0.14psRMS (1.875MHz to 20MHz)
S Excellent Power-Supply Noise Rejection
S -40NC to +85NC Operating Temperature Range
S +3.3V Supply
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX3637ETM+
-40NC to +85NC
48 TQFN-EP*
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
Functional Diagram
XOUT
XIN
CIN
XO
LVCMOS
DIN
DIN
MAX3637
PLL, DIVIDERS, MUXES
VCO
LVPECL/LVDS
LVPECL/LVDS
LVPECL/LVDS
LVPECL/LVDS
LVPECL/LVDS
LVPECL/LVDS
LVPECL/LVDS
LVPECL/LVDS
LVPECL/LVDS
LVCMOS
QA0
QA0
QA1
QA1
QA2
QA2
QA3
QA3
QA4
QA4
QB0
QB0
QB1
QB1
QB2
QB2
QC
QC
QCC
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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Pages | Pages 23 | ||
Télécharger | [ MAX3637 ] |
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