MAX2742ECM

更新时间： 2024-01-05 20:59:29

品牌	Logo	应用领域
美信 - MAXIM		有源滤波器过滤器全球定位系统 LTE
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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技术参数
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MAX2742ECM 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	QFN
包装说明：	HVQCCN,	针数：	48
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.82
有源滤波器类型：	SWITCHED CAPACITOR FILTER	JESD-30 代码：	S-XQCC-N48
长度：	7 mm	功能数量：	1
端子数量：	48	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	UNSPECIFIED
封装代码：	HVQCCN	封装形状：	SQUARE
封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	峰值回流温度（摄氏度）：	NOT SPECIFIED
认证状态：	Not Qualified	响应：	BANDPASS
座面最大高度：	1 mm	最大供电电压 (Vsup)：	3.6 V
最小供电电压 (Vsup)：	2.4 V	标称供电电压 (Vsup)：	3 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子形式：	NO LEAD
端子节距：	0.5 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	7 mm

MAX2742ECM 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

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