Allicdata Part #: | 576-3230-5-ND |
Manufacturer Part#: |
MICRF221AYQS |
Price: | $ 1.69 |
Product Category: | RF/IF and RFID |
Manufacturer: | Microchip Technology |
Short Description: | IC RF RECEIVER QWIKRADIO 16-QSOP |
More Detail: | - RF Receiver ASK, OOK 850MHz ~ 950MHz -109dBm 10 ... |
DataSheet: | MICRF221AYQS Datasheet/PDF |
Quantity: | 895 |
1 +: | $ 1.53720 |
25 +: | $ 1.40818 |
Specifications
Current - Receiving: | 9.3mA |
Supplier Device Package: | 16-QSOP |
Package / Case: | 16-SSOP (0.154", 3.90mm Width) |
Operating Temperature: | -40°C ~ 85°C |
Voltage - Supply: | 3 V ~ 3.6 V |
Features: | -- |
Antenna Connector: | PCB, Surface Mount |
Memory Size: | -- |
Data Interface: | PCB, Surface Mount |
Series: | -- |
Applications: | -- |
Modulation or Protocol: | ASK, OOK |
Data Rate (Max): | 10 kbps |
Sensitivity: | -109dBm |
Frequency: | 850MHz ~ 950MHz |
Part Status: | Active |
Packaging: | Tube |
Description
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Introduction to MICRF221AYQS
The MICRF221AYQS is a miniature receiver IC that operates in the 216 MHz to 434 MHz spectrum. It has a low-current consumption, making it suitable for battery-powered applications. The device also features a low current consumption, which makes it a perfect choice for low-power and low-noise applications. It also has a built-in low-dropout voltage regulator, allowing it to operate from a single lithium battery.Applications
The MICRF221AYQS can be used in many applications, including radio-frequency identification (RFID) tags, remote keyless entry (RKE) systems, low-power wireless sensors, fixed-rate transmitters and receivers, remote control systems, and wireless light-level sensors. It can also be integrated into other applications such as automotive, industrial, and security systems.Features
The MICRF221AYQS is a highly integrated receiver IC that features advanced functions. It offers superior receive sensitivity, low power consumption, and fast settling time. The device also offers programmable bit rate, with sensitivity better than -111 dBm at 10 dB S/N. The device operates over the 216 MHz to 434 MHz frequency range, and its frequency error is better than ± 200 ppm.Working Principle
The MICRF221AYQS utilizes a superheterodyne design, which is a type of receiver that combines two or more signals from different frequencies. In a superheterodyne receiver, the incoming signal is multiplied with a reference frequency to produce an intermediate frequency (IF) signal. This IF signal is then filtered and amplified, and the audio signal is recovered.The MICRF221AYQS features a dual-conversion superheterodyne implementation, which divides the incoming signal into two separate frequency channels. Each signal is then passed through a low pass filter and amplified before being mixed with a local oscillator signal. This mixing process creates an IF signal, which is then filtered and amplified, before being converted back to its original frequency and passed as an output signal.Conclusion
The MICRF221AYQS is a highly integrated receiver IC that offers superior performance, low power consumption, and fast settling time. The device has been designed to be used in a wide range of applications, including RFID tags, remote control systems, and wireless light-level sensors. The device utilizes a dual-conversion superheterodyne implementation, to produce high quality audio signals.The specific data is subject to PDF, and the above content is for reference
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