MAX2742

更新时间： 2024-09-26 22:35:27

品牌	Logo	应用领域
美信 - MAXIM		全球定位系统
页数	文件大小	规格书
8页	574K
描述
Single-Chip Global Positioning System Receiver Front-End

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中文翻译

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数据手册

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MAX2742 数据手册

19-3469; Rev 0; 11/04

Single-Chip Global Positioning System

Receiver Front-End

General Description

Features

♦ Complete Single-Chip GPS Front-End Receiver

♦ Single-Ended or Differential Outputs at 1.023MHz

♦ Low 4.5dB Typical Noise Figure

The MAX2742 complete single-chip global positioning

system (GPS) RF front-end utilizes many innovative and

leading-edge RF CMOS design techniques. This high-

performance, state-of-the-art device consumes extreme-

ly low power and eliminates the need for costly SAW

and bulky discrete IF filters. The MAX2742 incorporates

a fully integrated low-noise amplifier (LNA) and mixer, IF

section, digital sampler, and local oscillator synthesizer.

♦ No External IF SAW or Discrete Filters Required

♦ Very Low 32mW Power Consumption at +2.4V

The intended input signal for the MAX2742 is the L1

GPS signal 1.57542GHz. This device supports high-

accuracy output quantization, which delivers the best

performance obtainable for the GPS receiver. The

power consumption of the MAX2742 is as low as 32mW

at a +2.4V supply.

♦ Wide +2.4V to +3.6V Operational Supply Voltage

Range

♦ Extended -40°C to +85°C Temperature Range

The MAX2742 is available in a space-saving 48-pin

TQFP package and is specified for the extended (-40°C

to +85°C) temperature range.

Applications

Ordering Information

In-Vehicle Navigation Systems (IVNS)

PART

TEMP RANGE

PIN-PACKAGE

Location-Based Services (PDAs and

Accessories)

MAX2742ECM

-40°C to +85°C

48 TQFP-EP*

*EP = Exposed paddle.

Recreational Handheld/Walkie Talkies

Geographical Information Systems (GISs)

Block Diagram/

Pin Configuration

Telematics (Vehicle, Asset Tracking, and

Inventory Management)

Emergency Roadside Assistance

Emergency Response Systems

Digital Cameras/Camcorders

Consumer Electronics

I.C.

RBIAS

CBIAS

CONTROL

BLOCK

BIAS

TCXO

BUFFER

PFD

DIV

GND

RFIN

GND

MAX2742

DIN

LNA

GND

CLKOUT2

DOUT

I.C.

IFSEL 10

I.C. 11

VGA

COMP

AGC

CLKOUT1

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7 8

中文翻译

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与MAX2742相关器件

型号	品牌	获取价格	描述	数据表
MAX2742ECM	MAXIM	获取价格	Single-Chip Global Positioning System Receiver Front-End
MAX2742ECM+	MAXIM	获取价格	Switched Capacitor Filter, 1 Func, Bandpass, CMOS, 7 X 7 MM, 1 MM HEIGHT, LEAD FREE, MS-02
MAX2742ECM-C0A	MAXIM	获取价格	Switched Capacitor Filter, 1 Func, Bandpass, CMOS, 7 X 7 MM, 1 MM HEIGHT, MS-026ABC, TQFN-
MAX2745	MAXIM	获取价格	Single-Chip Global Positioning System Receiver Front-End
MAX2745_1	MAXIM	获取价格	Evaluation Kit
MAX2745ECM	MAXIM	获取价格	Single-Chip Global Positioning System Receiver Front-End
MAX2745ECM+	MAXIM	获取价格	暂无描述
MAX2745ECM+T	MAXIM	获取价格	Consumer Circuit, CMOS, PQFP48, 7 X 7 MM, 1 MM HEIGHT, ROHS COMPLIANT, MS-026ABC-HD, TQFP-
MAX2745EVKIT	MAXIM	获取价格	Evaluation Kit
MAX274ACNG	MAXIM	获取价格	4th- and 8th-Order Contnuous-Time Active Filters

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