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MICRF002/RF022
300-440MHz QwikRadio ? ASK Receiver
General Description
The MICRF002 is a single chip ASK/OOK (ON-OFF
Keyed) RF receiver IC. This device is a true “antenna-in to
data-out” monolithic device. All RF and IF tuning is
accomplished automatically within the IC which eliminates
manual tuning and reduces production costs. The result is
a highly reliable yet low cost solution.
The MICRF002 is a fully featured part in 16-pin packaging,
the MICRF022 is the same part packaged in 8-pin
packaging with a reduced feature set (see “Ordering
Information” for more information).
The MICRF002 is an enhanced version of the MICRF001
and MICRF011. The MICRF002 provides two additional
functions over the MICRF001/011, (1) a Shutdown pin,
which may be used to turn the device off for duty-cycled
operation, and (2) a “Wake-up” output, which provides an
output flag indicating when an RF signal is present. These
features make the MICRF002 ideal for low and ultra-low
power applications, such as RKE and remote controls.
All IF filtering and post-detection (demodulator) data
filtering is provided within the MICRF002, so no external
filters are necessary. One of four demodulator filter
bandwidths may be selected externally by the user.
The MICRF002 offer two modes of operation; fixed-mode
(FIX) and sweep-mode (SWP). In fixed-mode the
QwikRadio ?
Features
? 300MHz to 440MHz frequency range
? Data-rate up to 10kbps (fixed-mode)
? Low Power Consumption
? 2.2mA fully operational (315MHz)
? 0.9μA in shutdown
? 220μA in polled operation (10:1 duty-cycle)
? Wake-up output flag to enable decoders and
microprocessors
? Very low RF re-radiation at the antenna
? Highly integrated with extremely low external part count
Applications
? Automotive remote keyless entry (RKE)
? Remote controls
? Remote fan and light control
? Garage door and gate openers
MICRF002 functions as a conventional superhet receiver.
In sweep-mode the MICRF002 employs a patented
sweeping function to sweep a wider RF spectrum. Fixed-
mode provides better selectivity and sensitivity
performance and sweep-mode enables the MICRF002 to
be used with low cost, imprecise transmitters.
Data sheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
_________________________________________________________________________________________________________
Ordering Information
Part Number
Demodulator
Operating Mode
Shutdown
WAKEB
Package
Lead Finish
Bandwidth
Output Flag
MICRF002YM
MICRF022YM-SW48
MICRF022YM-FS12
MICRF022YM-FS24
MICRF022YM-FS48
User Programmable
5000Hz
1250Hz
2500Hz
5000Hz
Fixed or Sweep
Sweep
Fixed
Fixed
Fixed
Yes
No
Yes
Yes
Yes
Yes
Yes
No
No
No
16-Pin SOIC
8-Pin SOIC
8-Pin SOIC
8-Pin SOIC
8-Pin SOIC
Pb-Free
Pb-Free
Pb-Free
Pb-Free
Pb-Free
QwikRadio is a registered trademark of Micrel, Inc. The QwikRadio ICs were developed under a partnership agreement with AIT of Orlando, FL.
Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 ( 408 ) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com
July 2008
M9999-070808
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相关代理商/技术参数
MICRF022YM-FS12 TR 功能描述:射频接收器 300-440MHz RF Receiver With Shutdown( Lead Free) 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
MICRF022YM-FS24 功能描述:射频接收器 300-440MHz RF Receiver With Shutdown( Lead Free) 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
MICRF022YM-FS24 TR 功能描述:射频接收器 300-440MHz RF Receiver With Shutdown( Lead Free) 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
MICRF022YM-FS48 功能描述:射频接收器 300-440MHz RF Receiver With Shutdown( Lead Free) 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
MICRF022YM-FS48 TR 功能描述:射频接收器 300-440MHz RF Receiver With Shutdown( Lead Free) 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
MICRF022YM-SW48 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:300-440MHz QwikRadio? ASK Receiver
MICRF033BM 制造商:Micrel Inc 功能描述:RF Receiver 5V 8-Pin SOIC 制造商:Rochester Electronics LLC 功能描述:- Bulk
MICRF102 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:QwikRadio UHF ASK Transmitter