Datasheet > 8N3QV75BG-0000CDI8

8N3QV75BG-0000CDI8

更新时间： 2024-11-25 00:51:07

品牌	Logo	应用领域
艾迪悌 - IDT		石英晶振压控振荡器
页数	文件大小	规格书
20页	294K
描述
Quad-Frequency Programmable VCXO

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Quad-Frequency Programmable

VCXO

IDT8N4QV01 REV G

DATASHEET

General Description

Features

The IDT8N4QV01 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.

ꢀ 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),

re-programmable by I²C

ꢀ I²C programming interface for the output clock frequency, APR

and internal PLL control registers

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

FSEL1 pins, the IDT8N4QV01 can be programmed via the I²C

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, P, 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

ꢀ Frequency programming resolution is 435.9Hz ÷N

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

754.5ppm

ꢀ One 2.5V or 3.3V LVDS differential clock output

ꢀ Two control inputs for the power-up default frequency

ꢀ LVCMOS/LVTTL compatible control inputs

ꢀ RMS phase jitter @ 156.25MHz (12kHz - 20MHz): 0.494ps

temperature range supports wireless infrastructure, tele-

communication and networking end equipment requirements.

(typical)

ꢀ RMS phase jitter @ 156.25MHz (1kHz - 40MHz): 0.594ps (typical)

ꢀ 2.5V or 3.3V supply voltage modes

ꢀ -40°C to 85°C ambient operating temperature

ꢀ Lead-free (RoHS 6) packaging

Block Diagram

Pin Assignment

FemtoClock^®NG

PFD

÷P

OSC

LPF

÷N

VCO

1950-2600MHz

VC 1

OE 2

8 V

114.285 MHz

7 nQ

6 Q

GND 3

÷MINT, MFRAC

A/D

Pulldown

FSEL1

FSEL0

Configuration Register (ROM)

(Frequency, APR, Polarity)

IDT8N4QV01 REV G DATA SHEET

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

package body

Pullup

SCLK

SDATA

I²C Control

CD Package

Top View

Pullup

IDT8N4QV01GCD REVISION A MARCH 11, 2014

12 3 4 5 6 7...20

中文翻译

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