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| +'/,1; TM,, GO1525 Voltage Controlled Oscillator DATA SHEET KEY FEATURES * generates 1.485GHz or 1.485/1.001GHz signal for HD-LINXTMII ICs * low current consumption * 50 output impedance * operates from a single 2.5V supply * 8 pin tape on reel APPLICATIONS * VCO for the GS1560 and GS9060 Deserializers, and the GS1532 and GS9062 Serializers DESCRIPTION The GO1525 is a self contained, miniature Voltage Controlled Oscillator (VCO). It produces a clean 1.485GHz reference clock signal for the GS1560 and GS9060 deserializers, and for the GS1532 and GS9062 serializers. The control voltage range is from 1.0 volts to 1.5 volts and is derived from the on-chip PLLs. The GO1525 frequency can be pulled approximately 32MHz for every one volt of control. The output level is typically -9.0dBm with low spurious and noise content. It is designed to drive 50 strip lines. The VCO requires a single 2.5V supply and draws a maximum of 15mA of current. It is packaged in a miniature 8-pin proprietary surface mount package and operates over the normal commercial temperature range of 0C to +70C. GO1525 VCTR VCC STRIPLINE STRIPLINE OUT OSCILLATOR CIRCUIT GND GO1525 FUNCTIONAL BLOCK DIAGRAM Revision Date: February 2003 GENNUM CORPORATION P.O. Box 489, Stn. A, Burlington, Ontario, Canada L7R 3Y3 Tel. +1 (905) 632-2996 Fax. +1 (905) 632-5946 E-mail: info@gennum.com www.gennum.com Document No. 21969 - 2 1. PIN OUT 1.1 PIN ASSIGNMENT NC GND O/P 3 2 1 GO1525 GND 4 GO1525 TOP VIEW 8 GND 5 6 7 VCTR GND VCC NOTE: Pin numbers are arbitrary There are no pin markings on the device itself 1.2 PIN DESCRIPTIONS PIN NUMBER NAME TYPE DESCRIPTION 2, 4, 6, 8 5 7 1 3 GND VCTR VCC O/P NC Power Input Power Output Most negative power supply connections. Control voltage for the VCO. Most positive power supply connection. VCO signal output. No connection. Note: Pin numbering different from GO1515 2. ELECTRICAL CHARACTERISTICS VCC = 2.5V 0.25V, Temperature = 0C to 70C, unless otherwise shown PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS NOTES Supply Voltage Supply Current Control Voltage Range Control Voltage Sensitivity Operating Frequency Range VCC S 2.25 1.0 25 VCTR = 1.0V VCTR = 1.5V 1483. 5 -12 VCC = 2.5V 0.25V, ref: VCC = 2.5V VSWR = 2.0 for all phase, ref: 50 - 2.5 32 -9 1.5 1.0 50 2.75 15 1.5 39 1485. 0 -6 3 -10 - V mA V MHz/V MHz MHz dBm MHz MHz MHz dBc Supply Voltage Supply Current Control Voltage Range Control Voltage Sensitivity Operating Frequency Range VCTR df/dV VCO Output Signal Level Pushing Figure Pulling Figure Temperature Stability Spurious Response Output Impedance VOUT Output Signal Level Pushing Figure Pulling Figure Temperature Stability Spurious Response Output Impedance TCOEF 0C to 70C, ref. = 25C ZO - 2 GENNUM CORPORATION 21969 - 2 230 5 200 TEMPERATURE (C) 160 GO1525 140 30 sec 60 to 120 sec 60 sec TIME (sec.) Fig. 1 Reflow Solder Profile 3. SOLDERING RECOMMENDATIONS VCO 3.1 Reflow Conditions The device will meet the data sheet specifications after completing the reflow process according to the profile shown in Figure 1. Recommended soldering conditions are as follows: Preheating Soldering 15010C, 60 to 120 sec. Peak 2305C Over 200C within 30 sec. PCB MAX 2mm Fig. 2 PCB Warp 4. HANDLING RECOMMENDATIONS 4.1 Cleaning Do not wash the devices. 4.2 Storage 3.2 Soldering Flux Do not use cleaning type flux. Washing the devices after using cleaning type flux may damage inner parts and affect performance. 3.3 Solder Type Store the devices out of direct sunlight, at a stable temperature and humidity. Avoid extreme temperatures, high humidity and wide temperature fluctuations. Condensation on the devices may result in reduced quality and lowered solderability. Avoid dust, sea breezes and corrosive gases (Cl2, NH3, SO2, NOX, etc.). Use within 6 months after delivery. If the devices are stored for more than one year, solderability may be degraded. 4.3 Transport Use solder H60, H63 (in JIS Z 3282) or an equivalent type. This also applies to solder paste. 3.4 Rework or Repair Rework or repair must only be done once. Do not reflow the device more than twice; once for initial soldering and once for remounting after rework. Do not vibrate the VCO during reflow soldering. 3.5 Endurance To Warp Package the devices for transportation to avoid mechanical vibration or shock. 4.4 ESD Warning When the device is soldered on a printed circuit board (dimension: 100mm x 100mm; thickness: 1.6mm) and the PCB is warped as shown in Figure 2, the device will not be cracked or damaged. Avoid poor ground connections and electrostatic discharge or induction in production. 3 GENNUM CORPORATION 21969 - 2 5. PACKAGE & ORDERING INFORMATION 5.1 PACKAGE DIMENSIONS Recommended Footprint for PCB Layout NC NC GND OUT GND OUT GO1525 1.9 ~ 2.1 GND 1.1 GO1525 TOP VIEW GND 2.0 0.1 4.2 0.4 6.0 MAX G N D G N D 2.3 VCTR GND VCC VCTR GND VCC 0.80.15 2.00.1 2.0 MAX 1.1 1.30.1 All dimensions in millimetres 2.2 2.9 ~ 3.1 All dimensions in millimetres 1.30.1 7.8 MAX 3.4 4.3 5.2 ORDERING INFORMATION PART NUMBER GO1525 - CTA PACKAGE 8-pin tape on reel TEMPERATURE RANGE 0C to 70C 6. REVISION HISTORY VERSION ECR DATE CHANGES AND/OR MODIFICATIONS 0 1 2 120395 125583 127841 January 2002 July 2002 February 2003 New Document Update Document from AIN to Data Sheet. Changed Supply Voltage Range in Electrical Characteristics Table. More detailed information added to the soldering and handling recommendations sections. Document reformatted. DOCUMENT IDENTIFICATION DATA SHEET The product is in production. Gennum reserves the right to make changes at any time to improve reliability, function or design, in order to provide the best product possible. CAUTION ELECTROSTATIC SENSITIVE DEVICES DO NOT OPEN PACKAGES OR HANDLE EXCEPT AT A STATIC-FREE WORKSTATION GENNUM CORPORATION MAILING ADDRESS: P.O. Box 489, Stn. A, Burlington, Ontario, Canada L7R 3Y3 Tel. +1 (905) 632-2996 Fax. +1 (905) 632-5946 SHIPPING ADDRESS: 970 Fraser Drive, Burlington, Ontario, Canada L7L 5P5 GENNUM JAPAN CORPORATION Shinjuku Green Tower Building 27F, 6-14-1, Nishi Shinjuku, Shinjuku-ku, Tokyo, 160-0023 Japan Tel. +81 (03) 3349-5501, Fax. +81 (03) 3349-55 GENNUM UK LIMITED 25 Long Garden Walk, Farnham, Surrey, England GU9 7HX Tel. +44 (0)1252 747 000 Fax +44 (0)1252 726 523 Gennum Corporation assumes no responsibility for the use of any circuits described herein and makes no representations that they are free from patent infringement. (c) Copyright January 2002 Gennum Corporation. All rights reserved. Printed in Canada. 4 21969 - 2 3.4 |
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