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参数资料
| 型号： | MAX1471ATJ+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 15/26页 |
| 文件大小： | 0K |
| 描述： | IC RCVR ASK/FSK LP 32-TQFN |
| 其它有关文件： | Automotive Product Guide |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 60 |
| 频率： | 315MHz，434MHz |
| 灵敏度： | -114dBm |
| 调制或协议： | ASK，FSK |
| 应用： | ISM，车库门开启器，RKE |
| 电流 - 接收： | 7mA |
| 数据接口： | PCB，表面贴装 |
| 天线连接器： | PCB，表面贴装 |
| 电源电压： | 3.3V，5V |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 包装： | 管件 |
315MHz/434MHz Low-Power, 3V/5V
ASK/FSK Superheterodyne Receiver
MAX1471
ADATA
DATA
SLICER
MAXIMUM PEAK
DETECTOR
PDMAXA
MINIMUM PEAK
DETECTOR
PDMINA
FDATA
PDMAXF
C
R
R
PDMINF
C
Figure 5. Generating Data-Slicer Threshold Using the Peak Detectors
MINIMUM PEAK
DETECTOR
PDMINA
PDMINF
BASEBAND
FILTER
TRK_EN = 1
MAXIMUM PEAK
DETECTOR
PDMAXA
PDMAXF
TO SLICER
INPUT
MAX1471
Figure 6. Peak-Detector Track Enable
TRK_EN = 1
Power-Supply Connections
The MAX1471 can be powered from a 2.4V to 3.6V
supply or a 4.5V to 5.5V supply. The device has an on-
chip linear regulator that reduces the 5V supply to 3V
needed to operate the chip.
To operate the MAX1471 from a 3V supply, connect
DVDD, AVDD, and HVIN to the 3V supply. When using
a 5V supply, connect the supply to HVIN only and con-
nect AVDD and DVDD together. In both cases, bypass
DVDD and HVIN with a 0.01μF capacitor and AVDD
with a 0.1μF capacitor. Place all bypass capacitors as
close as possible to the respective supply pin.
Control Interface Considerations
When operating the MAX1471 with a +4.5V to +5.5V
supply voltage, the CS , DIO, and SCLK pins can be dri-
ven by a microcontroller with either 3V or 5V interface
logic levels. When operating the MAX1471 with a +2.4V
to +3.6V supply, only 3V logic from the microcontroller
is allowed.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1471ATJ/V+ | 功能描述:射频接收器 315MHz/434MHz Low-Power 3V/5V ASK/FSK Superheterodyne Receiver 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 |
| MAX1471ATJ/V+T | 功能描述:射频接收器 315MHz/434MHz Low-Power 3V/5V ASK/FSK Superheterodyne Receiver 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 |
| MAX1471ATJ+ | 功能描述:射频接收器 315MHz/434MHz Superheterodyne Rcvr 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 |
| MAX1471ATJ+T | 功能描述:射频接收器 315MHz/434MHz Superheterodyne Rcvr 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 |
| MAX1471ATJ-C3N | 功能描述:射频接收器 315MHz/434MHz Superheterodyne Rcvr 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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