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Details for MICRF221AYQS by Microchip Technology
Electronic & Electrical Components > Semiconductors - ICs > RF
MICRF221AYQS
Buy Directly from Microchip Technology Inc (2332 in stock) $2.3700
RF RECEIVER 850-950MHZ QSOP-16
MICRF221AYQS image

MICRF221AYQS by Microchip Technology

RF RECEIVER 850-950MHZ QSOP-16
Features
-109dBm sensitivity, 1kbps, and BER 10 -2
850MHz to 950MHz frequency range
Additional functions programmed through serial
Analog RSSI output
Auto polling (sleep mode, current < 0.1 mA)
Data rates to 10kbps (Manchester Encoded)
Excellent selectivity and noise rejection
Image rejection mixer
Low external part count
Low power, 9mA @ 868MHz, continuous on
No IF filter required
Programmable u201clow sensitivityu201d mode
Part Information
MICRF221AYQS image
RoHS Compliant
Description
The MICRF221 is a third generation QwikRadio® receiver, offering all the benefits of Micrel's earlier QwikRadio® products with significant improvements, including: enhanced sensitivity, automatic duty-cycle feature and RSSI output. The MICRF221 is a super-heterodyne receiver, designed for OOK and ASK modulation. The down- conversion mixer also provides image rejection. The MICRF221 receiver provides a SLEEP Mode for duty-cycle operation and an enhanced, customer programmable "WAKE" function. These features are further combined into a wholly integrated "self-polling" scheme that is ideal for low and ultra-low power applications, such as RKE and RFID All post-detection data filtering is provided on the MICRF221 receiver. Any one of four filter bandwidths may be selected externally by the user in binary steps, from 1.25kHz to 10kHz. The user needs only to program the device with a set of easily determined values based on data rate, code modulation format, and desired duty- cycle operation.
Specifications
Frequency Min:
850MHz
Frequency Max:
950MHz
RF / IF Modulation:
ASK OOK
Sensitivity dBm:
-109dBm
Data Rate:
10Kbps
Receiving Current:
9.5mA
Supply Voltage Min:
3V
Supply Voltage Max:
3.6V
RF Receiver Applications:
Remote Keyless Entry System (RKE) RFID
RF IC Case Style:
QSOP
No. of Pins:
16Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
105°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
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