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MAX2742ECM

更新时间： 2024-11-01 22:35:27
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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中文翻译

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MAX2742ECM 技术参数

是否Rohs认证：不符合生命周期：Obsolete
零件包装代码：QFN包装说明：7 X 7 MM, 1 MM HEIGHT, MS-026ABC, TQFN-48
针数：48Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.84Is Samacsys：N
有源滤波器类型：SWITCHED CAPACITOR FILTERJESD-30 代码：S-XQCC-N48
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：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）：240
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端子面层：Tin/Lead (Sn/Pb)
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：20
宽度：7 mmBase Number Matches：1

MAX2742ECM 数据手册

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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  
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
I.C.  
I.C.  
I.C.  
I.C.  
RBIAS  
CBIAS  
1
2
3
4
5
6
7
8
9
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
CONTROL  
BLOCK  
BIAS  
CP  
V
DD  
TCXO  
BUFFER  
PFD  
DIV  
V
DD  
V
GND  
GND  
RFIN  
GND  
GND  
DD  
MAX2742  
DIN  
LNA  
GND  
CLKOUT2  
DOUT  
I.C.  
IFSEL 10  
I.C. 11  
VGA  
COMP  
AGC  
20  
CLKOUT1  
V
V
DD  
12  
DD  
13  
14  
15  
16  
17  
18  
19  
21  
22  
23  
24  
________________________________________________________________ Maxim Integrated Products  
1
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.  
12345678

中文翻译

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