PE3341 Datasheet, PDF (1/17 Pages) Peregrine Semiconductor Corp. – 2700 MHz Integer-N PLL with Field-Programmable EEPROM Features

Product Description
The PE3341 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 PE3341 is ideal for
applications such as sonet, wireless base stations, fixed
wireless, and RF instrumentation systems.
The PE3341 features a ÷10/11 dual modulus prescaler,
counters, a phase comparator, and a charge pump as shown in
Figure 1. Counter values are programmable through a three-
wire serial interface.
The PE3341 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.
Product Specification
PE3341
2700 MHz 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 charge pump
• Serial programmable
• Low power — 20 mA at 3 V
• Ultra-low phase noise
• Available in 24-lead TSSOP or 20-lead
4x4 mm QFN package
Figure 1. Block Diagram
F_in
F_in
ENH
E_W R
Data
Clock
EELoad
V_PP
S_W R
f_r
EESel
FSel
Serial
Interface
Mux
Enhancem ent
Register
(8-bit)
Primary
Register
(20-bit)
20
EE
Register
(20-bit)
Transfer
Logic
Prescaler
÷10/11
Secondary
Register
(20-bit)
20
20
EEPROM
M Counter
÷2 to ÷512
13
6
6
R Counter
÷1 to ÷64
Phase
Detector
PD_U
PD_D
Charge
Pump
2k
CP
LD
Cext
Document No. 70-0053-04 │ www.psemi.com
©2005 Peregrine Semiconductor Corp. All rights reserved.
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