LMX2604 datasheet(2/14 Pages) NSC

Part #	LMX2604

Description	Triple-band VCO for GSM900/DCS1800/PCS1900

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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Connection Diagram

20-Pin 4x4 LLP (TM) Package

20066102

Pin Descriptions

Pin Number

Name

I/O

Description

1

CE

I

Chip enable input pin. High=enable, Low=disable

2,4,15

GND (Note 1)

—

Ground pins

3

MIXout

O

Mixer output pin (RF output)

5

BSW

I

Band switch input pin. High=DCS/PCS, Low=GSM

11,19

VDD

—

Supply voltage pins

12

GSMout

O

RF output pin for VCO in GSM band

13

DCSPCSout

O

RF output pin for VCO in DCS and PCS band

16

CPin

I

Charge pump input pin

6,7,8,9,10,14,17,18,20

NC

—

No Connection, These pins must be left open

Note 1: The exposed die attach pad is grounded.

Ordering Information

Package

Part Number

Package Marking

Media Transport

NSC Drawing

20-Pin LLP

LMX2604LQ

1000 Unit Tape and Reel

LQA20A

20-Pin LLP

LMX2604LQX

LMX2604LQ

4500 Unit Tape and Reel

LQA20A

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LMX2604 Datasheet(PDF) 2 Page - National Semiconductor (TI)

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