MAX2740

更新时间： 2024-02-07 16:09:21

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	191K
描述
Integrated GPS Receiver and Synthesizer

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技术参数
数据手册

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MAX2740 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	QFP	包装说明：	TFQFP, TQFP48,.35SQ
针数：	48	Reach Compliance Code：	not_compliant
HTS代码：	8542.39.00.01	风险等级：	5.88
Is Samacsys：	N	JESD-30 代码：	S-PQFP-G48
JESD-609代码：	e0	长度：	7 mm
湿度敏感等级：	3	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：	PLASTIC/EPOXY
封装代码：	TFQFP	封装等效代码：	TQFP48,.35SQ
封装形状：	SQUARE	封装形式：	FLATPACK, THIN PROFILE, FINE PITCH
峰值回流温度（摄氏度）：	240	电源：	3 V
认证状态：	Not Qualified	座面最大高度：	1.2 mm
子类别：	Other Telecom ICs	最大压摆率：	0.0843 mA
标称供电电压：	3 V	表面贴装：	YES
电信集成电路类型：	TELECOM CIRCUIT	温度等级：	INDUSTRIAL
端子面层：	Tin/Lead (Sn85Pb15)	端子形式：	GULL WING
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：	20	宽度：	7 mm
Base Number Matches：	1

MAX2740 数据手册

19-1670; Rev 0; 4/00

Integrated GPS Receiver and Synthesizer

General Description

Features

The MAX2740 is a complete global positioning system

(GPS) receiver from antenna output to digitizer input.

The signal path includes the LNA, two downconverters,

and variable-gain and fixed-gain amplifiers. By utilizing

a double-conversion superheterodyne architecture with

external surface acoustic wave (SAW) filters, high levels

of image rejection and blocking immunity are possible.

Receiver linearity has been maximized to improve oper-

ation in hostile RFI environments found in cellular base

stations. The MAX2740 also includes a high-perfor-

mance voltage-controlled oscillator (VCO) with low

phase noise for subcentimeter carrier phase applica-

tions, and a fixed-frequency synthesizer for generation

of all required on-chip local oscillators.

ꢀ High Selectivity for Hostile Base Station

Environments

ꢀ Complete Antenna-to-Baseband Receiver

Solution

ꢀ >100dB Total Receiver Gain Including All Filter

Losses

ꢀ >50dB Automatic Gain Control (AGC) Range

ꢀ Fully Balanced Topology for Minimum Spurious

Responses

ꢀ Low Phase Noise VCO for Carrier Phase

Applications

The unique frequency plan captured in the MAX2740 is

suitable for joint GPS/GLONASS receivers with minimal

external components. This allows the MAX2740 to pro-

vide a cost-effective and high-performance solution for

navigation and timing products that need maximum

satellite availability.

ꢀ Compatible with High-Performance Companion

DSP

Ordering Information

PART

TEMP. RANGE

PIN-PACKAGE

The MAX2740 is compatible with a high-performance

DSP engine capable of very fast time to first fix and

excellent multipath rejection.

MAX2740ECM

-40°C to +85°C

48 TQFP-EP*

*Exposed paddle

Pin Configuration/

Functional Diagram

________________________Applications

Base Station Timing

E911 Location Assistance

GPS Automotive and Consumer Receivers

Wireless Local-Loop Timing

Joint GPS/GLONASS Receivers

GND

36 IFMIX_OUT+

35 IFMIX_OUT-

34 VGA_IN+

33 VGA_IN-

32 GND

High-Precision Timing for SDH Networks

High-Positional-Accuracy Surveying Equipment

LNA_IN

GND

31 VGA_OUT+

30 VGA_OUT-

29 GND

MAX2740

RFMIX_IN-

VCC_ANA

28 FGA_IN+

27 FGA_IN-

26 GND

GND 10

GND 11

PFD

VCC_VCO 12

25 FGA_OUT+

TQFP

ACTUAL SIZE

9mm x 9mm

TQFP-EP

________________________________________________________________ Maxim Integrated Products

For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

12 3 4 5 6 7 8

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与MAX2740相关器件

型号	品牌	描述	获取价格	数据表
MAX2740_1	MAXIM	Evaluation Kit	获取价格
MAX2740ECM	MAXIM	Integrated GPS Receiver and Synthesizer	获取价格
MAX2740EVKIT	MAXIM	Evaluation Kit for the MAX2740	获取价格
MAX2741	MAXIM	Integrated L1-Band GPS Receiver	获取价格
MAX2741_1	MAXIM	Evaluation Kit	获取价格
MAX2741ETI	MAXIM	Integrated L1-Band GPS Receiver	获取价格

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