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| 型号： | MAX2741ETI+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC GPS RECEIVER L1 BAND 28TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 频率： | 1575.42MHz |
| 应用： | GPS |
| 电流 - 接收： | 30mA |
| 数据接口： | PCB，表面贴装 |
| 天线连接器： | PCB，表面贴装 |
| 电源电压： | 2.7 V ~ 3 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 28-WFQFN 裸露焊盘 |
| 供应商设备封装： | 28-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
19-3559; Rev 0; 1/05
ATION
AILABL
EVALU E
AV
KIT
Integrated L1-Band GPS Receiver
General Description
The MAX2741 L1-band GPS receiver IC offers a high-
performance, compact solution for mobile handsets,
PDAs, and automotive applications. Total voltage gain
of 80dB and a 4.7dB cascaded noise figure can pro-
vide receiver sensitivity for applications requiring
-185dBW for indoor tracking solutions.
This dual-conversion receiver downconverts the
1575.42MHz GPS signal to a 37.38MHz first IF, and then
a 3.78MHz second IF. An integrated 2- or 3-bit ADC (1-
bit SIGN, 1- or 2-bit MAG selectable) samples the sec-
ond IF and outputs the digitized signals to the baseband
processor.
The integrated synthesizer offers the flexibility in fre-
quency planning to allow a single board design to be
employed for reference frequencies from 2MHz to
26MHz. The integrated reference oscillator allows either
TCXO or crystal operation.
The receiver runs from a 2.7V to 3.0V supply, and draws
only 30mA when active. It is offered in a 28-pin thin QFN
package, and is specified for -40°C to +85°C at 3V.
Features
? Supports All Popular Handset Reference
Frequencies Up to 26MHz
? 4.7dB Cascaded Noise Figure
? 80dB Cascaded Gain
? Tolerates -90dBm In-Band Jammer
? Tolerates +13dBm CDMA Out-of-Band Jammer at
Device Input
? Integrated Synthesizer and VCO
? Integrated 2- or 3-Bit ADC
? 50dB IF AGC Range
? Small 28-Pin Thin QFN Package
? SPI? Control Interface
? Clock Output for Baseband Processor
SPI is a trademark of Motorola, Inc.
PIN
THIN Q
Ordering Information
PART
MAX2741ETI
TEMP RANGE
-40°C to +85°C
PIN-PACKAGE
28 Thin QFN
0m
mx5
.0 m
Applications
Pin Configuration/
Functional Diagram
In-Vehicle Navigation Systems (IVNS)
Telematics (Vehicle and Asset Tracking,
Inventory Management)
Automotive Security
V CC 1
1
28
27
Σ
26
25
24
23
MAX2741
22
21
SDO
Emergency Response Systems
Emergency Road-Side Assistance
Location-Based Services/Internet (PDAs)
N.C.
RFIN
2
3
LNA
33.6MHz
20
19
N.C.
V CC 5
Digital Cameras/Camcorders
1612.8MHz
90
/2
0
/96
Recreational Handhelds/Walkie-Talkies
V CC 2
4
/16128
ADC
18
GPSIF0
Geographical Information Systems (GIS)
Consumer Electronics (Location-Based Games)
V CC 3
5
VCO
3225.6MHz
/192
200kHz
P.D.
/R
MUX
17
GPSIF1
Precision Timing
V CC 4
6
16.8MHz
16
GPSIF2
GND
7
SPI INTERFACE
REF
15
GPSCLK
OSC
8
9
10
11
12
13
14
________________________________________________________________ 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.
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX2741EVKIT | 功能描述:GPS开发工具 MAX2741 Eval Kit RoHS:否 制造商:STMicroelectronics 产品:Evaluation Boards 工具用于评估:IT600, STM32F20x 频率:1.575 GHz 工作电源电压:1.8 V 接口类型:Wireless |
| MAX2741USBDONGLE | 制造商:Maxim Integrated Products 功能描述: |
| MAX2742CCM | 功能描述:射频接收器 RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
| MAX2742CCM+ | 功能描述:射频接收器 RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
| MAX2742ECM | 功能描述:射频接收器 RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
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