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PL502-35

Micrel
Part Number PL502-35
Manufacturer Micrel
Description 750kHz - 800MHz Low Phase Noise Multiplier VCXO
Published Jan 1, 2016
Detailed Description PL502-35/-37/-38/-39 750kHz – 800MHz Low Phase Noise Multiplier VCXO Universal Low Phase Noise ICs FEATURES PIN CONFI...
Datasheet PDF File PL502-35 PDF File

PL502-35
PL502-35

Overview
PL502-35/-37/-38/-39 750kHz – 800MHz Low Phase Noise Multiplier VCXO Universal Low Phase Noise ICs FEATURES PIN CONFIGURATION  Selectable 750kHz to 800MHz range  Low phase noise output (@ 10kHz frequency off- set, -142dBc/Hz for 19.
44MHz, -125dBc/Hz for 155.
52MHz, -115dBc/Hz for 622.
08MHz)  LVCMOS (PL502-37), LVPECL (PL502-35 and PL502-38) or LVDS (PL502-39) output  12MHz to 25MHz crystal input  No external load capacitor or varicap required.
 Output Enable selector  Wide pull range (±200 ppm)  Selectable /16 to x32 frequency divider/multiplier  3.
3V operation  Available in 16-Pin TSSOP or 16-pin 3x3mm QFN GREEN/RoHS compliant packages (Top View) VDD XIN XOUT SEL3^ SEL2^ OE VCON GND 1 2 3 4 5 6 7 8 PL 502-3x 1 6 SEL0^ 1 5 SEL1^ 1 4 GND 1 3 CLKC 1 2 VDD 1 1 CLKT 1 0 GND 9 GND TSSOP-16L ^: Internal pull-up *: On 3x3 package, PL502-35/-38 do not have SEL0 available: Pin 10 is VDD, pin 11 is GND.
However, PL502-37/-39 have SEL0 (pin 10), and pin11 is VDD.
See pin assignment table for details.
XIN VDD / GND* SEL0^ / VDD* SEL1^ DESCRIPTION The PL502-35 (LVPECL with inverted OE), PL502-37 (LVCMOS), PL502-38 (LVPECL), and PL502-39 (LVDS) are high performance and low phase noise VCXO IC chips.
They provide phase noise performance as low as –125dBc at 10kHz offset (at 155MHz), by multiplying the input crystal frequency up to 32x.
The wide pull range (±200 ppm) and very low jitter make them ideal for a wide range of applications, including SONET/SDH and FEC.
They accept fundamental parallel resonant mode crystals from 12MHz to 25MHz.
BLOCK DIAGRAM SEL[3:0] VCON XIN XOUT Oscillator Amplifier w/ integrated varicaps PLL (Phase Locked Loop) PLL by-pass OE CLKC CLKT PL502-3x XOUT SEL3^ SEL2^ OE 12 13 11 10 9 8 14 PL502-3x 7 15 6 16 5 123 4 GND CLKC VDD CLKT VCON GND GND GND QFN-16L OUTPUT ENABLE LOGICAL LEVELS Part # OE State PL502-38 PL502-35 PL502-37 PL502-39 0 (Default) 1 0 1 (Default) Output enabled Tri-state Tri-state Ou...


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