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| 型号： | MAX1471ATJ+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/26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 |
19-3272; Rev 4; 9/11
315MHz/434MHz Low-Power, 3V/5V
ASK/FSK Superheterodyne Receiver
General Description
The MAX1471 low-power, CMOS, superheterodyne, RF
dual-channel receiver is designed to receive both ampli-
tude-shift-keyed (ASK) and frequency-shift-keyed (FSK)
data without reconfiguring the device or introducing any
time delay normally associated with changing modula-
tion schemes. The MAX1471 requires few external com-
ponents to realize a complete wireless RF digital data
receiver for the 300MHz to 450MHz ISM bands.
The MAX1471 includes all the active components
required in a superheterodyne receiver including: a low-
noise amplifier (LNA), an image-reject (IR) mixer, a fully
integrated phase-locked loop (PLL), local oscillator
(LO), 10.7MHz IF limiting amplifier with received-signal-
strength indicator (RSSI), low-noise FM demodulator,
and a 3V voltage regulator. Differential peak-detecting
data demodulators are included for both the FSK and
ASK analog baseband data recovery. The MAX1471
includes a discontinuous receive (DRX) mode for low-
power operation, which is configured through a serial
interface bus.
The MAX1471 is available in a 32-pin thin QFN package
and is specified over the automotive -40°C to +125°C
temperature range.
Applications
Automotive Remote Keyless Entry (RKE)
Tire Pressure Monitoring Systems
Garage Door Openers
Wireless Sensors
Features
o ASK and FSK Demodulated Data on Separate
Outputs
o Specified over Automotive -40°C to +125°C
Temperature Range
o Low Operating Supply Voltage Down to 2.4V
o On-Chip 3V Regulator for 5V Operation
o Low Operating Supply Current
7mA Continuous Receive Mode
1.1 μ A Deep-Sleep Mode
o Discontinuous Receive (DRX) Low-Power
Management
o Fast-On Startup Feature < 250 μ s
o Integrated PLL, VCO, and Loop Filter
o 45dB Integrated Image Rejection
o RF Input Sensitivity*
ASK: -114dBm
FSK: -108dBm
o Selectable IF BW with External Filter
o Programmable Through Serial User Interface
o RSSI Output and High Dynamic Range with AGC
*0.2% BER, 4kbps, Manchester-encoded data, 280kHz IF BW
Pin Configuration
TOP VIEW
Wireless Keys
+
32
31
30
29
28
27
26
25
Security Systems
Medical Systems
Home Automation
Local Telemetry Systems
DSA-
DSA+
OPA+
DFA
1
2
3
4
24
23
22
21
DVDD
DGND
DFF
OPF+
XTAL2
5
MAX1471
20
DSF+
Ordering Information
XTAL1
6
19
DSF-
PART
MAX1471ATJ/V+
TEMP RANGE
-40 ° C to +125 ° C
PIN-PACKAGE
32 Thin QFN-EP**
AVDD
LNAIN
7
8
18
17
PDMAXF
PDMINF
+Denotes a lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive qualified part.
9
10
11
12
13
14
15
16
**EP = Exposed pad.
THIN QFN
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim 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 |
|---|---|
| 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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