8N3QV01EG-0008CDI8 datasheet, PDF

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8N3QV01EG-0008CDI8: DescriptionProgrammable Oscillators; CategoryPassive components; File Size200KB，23 Pages; ManufacturerIDT (Integrated Device Technology)

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Programmable Oscillators

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Parameter Name	Attribute value
Product Attribute	Attribute Value
Manufacturer	IDT (Integrated Device Technology)
Product Category	Programmable Oscillators
Product	VCXO

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Quad-Frequency Programmable

VCXO

IDT8N3QV01 Rev G

DATA SHEET

General Description

The IDT8N3QV01 is a Quad-Frequency Programmable VCXO with

very flexible frequency and pull-range programming capabilities.

The device uses IDT’s fourth generation FemtoClock® NG

technology for an optimum of high clock frequency and low phase

noise performance. The device accepts 2.5V or 3.3V supply and is

packaged in a small, lead-free (RoHS 6) 10-lead Ceramic 5mm x

7mm x 1.55mm package.

Besides the 4 default power-up frequencies set by the FSEL0 and

FSEL1 pins, the IDT8N3QV01 can be programmed via the I

interface to any output clock frequency between 15.476MHz to

866.67MHz and from 975MHz to 1,300MHz to a very high degree of

precision with a frequency step size of 435.9Hz ÷N (N is the PLL

output divider). Since the FSEL0 and FSEL1 pins are mapped to 4

independent PLL M and N divider registers (P, MINT, MFRAC and

N), reprogramming those registers to other frequencies under

control of FSEL0 and FSEL1 is supported. The extended

temperature range supports wireless infrastructure, tele-

communication and networking end equipment requirements. The

device is a member of the high-performance clock family from IDT.

Features

•

Fourth generation FemtoClock® NG technology

Programmable clock output frequency from 15.476MHz to

866.67MHz and from 975MHz to 1,300MHz

Four power-up default frequencies (see part number order

codes), reprogrammable by I

C programming interface for the output clock frequency, APR

and internal PLL control registers

Frequency programming resolution is 435.9Hz ÷N

Absolute pull-range (APR) programmable from ±4.5 to

±754.5ppm

One 2.5V or 3.3V LVPECL differential clock output

Two control inputs for the power-up default frequency

LVCMOS/LVTTL compatible control inputs

RMS phase jitter @ 156.25MHz (12kHz - 20MHz):



0.487ps (typical)

RMS phase jitter @ 156.25MHz (1kHz - 40MHz):



0.614ps (typical)

2.5V or 3.3V supply voltage modes

-40°C to 85°C ambient operating temperature

Available in Lead-free (RoHS 6) package

Block Diagram

OSC

114.285 MHz

÷MINT,

MFRAC

FSEL1

FSEL0

SCLK

SDATA

Pulldown

Pullup

Pin Assignment

÷P

PFD

LPF

FemtoClock® NG

VCO

1950-2600MHz

÷N

Q

SDATA

SCLK

VC 1

OE 2

FSEL0

A/D

Configuration Register (ROM)

(Frequency, APR, Polarity)

C Control

IDT8N3QV01 Rev G

10-lead Ceramic 5mm x 7mm x 1.55mm

package body

CD Package

Top View

IDT8N3QV01GCD REVISION A

MARCH 6, 2012

FSEL1

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