3342-04 datasheet, PDF - EEWORLD Datasheet

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3342-04: Description2.7 GHz Integer-N PLL with Field-Programmable EEPROM Features; File Size744KB，16 Pages; ManufacturerpSemi (peregrine semiconductor); Websitehttp://www.psemi.com/

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2.7 GHz Integer-N PLL with Field-Programmable EEPROM Features

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Product Specification

PE3342

Product Description

Peregrine’s PE3342 is a high performance integer-N PLL with

embedded EEPROM capable of frequency synthesis up to

2700 MHz with a speed-grade option to 3000 MHz. The

EEPROM allows designers to permanently store control bits,

allowing easy configuration of self-starting synthesizers. The

superior phase noise performance of the PE3342 is ideal for

applications such as wireless base stations, fixed wireless, and

RF instrumentation systems.

The PE3342 features a ÷10/11 dual modulus prescaler,

counters, and a phase comparator as shown in Figure 1.

Counter values are programmable through a three-wire serial

interface.

The PE3342 UltraCMOS™ Phase Locked-Loop is

manufactured in Peregrine’s patented Ultra Thin Silicon

(UTSi®) CMOS process, offering excellent RF performance

with the economy and integration of conventional CMOS.

2.7 GHz Integer-N PLL

with Field-Programmable EEPROM

Features

•

Field-programmable EEPROM for self-

starting applications

•

Standard 2700 MHz operation,

3000 MHz speed-grade option

•

÷10/11 dual modulus prescaler

•

Internal phase detector

•

Serial programmable

•

Low power — 20 mA at 3 V

•

Ultra-low phase noise

•

Available in 20-lead 4x4 mm QFN

Figure 1. Block Diagram

ENH

E_WR

Data

Clock

Serial

Interface

Mux

Enhancement

(8-bit)

Primary

(20-bit)

Prescaler

÷10/11

M Counter

÷2 to ÷512

package

Secondary

(20-bit)

Phase

Detector

PD_U

PD_D

Cext

EELoad

Transfer

Logic

S_WR

EESel

FSel

EEPROM

R Counter

÷1 to ÷64

Document No. 70-0091-04

│

www.psemi.com

Page 1 of 17

Peregrine products are protected under one or more of the following U.S. Patents: http://patents.psemi.com

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