RFSA2644
precision attenuators tailored for frequencies spanning 0
Inventory:7,027
- 90-day after-sales guarantee
- 365 Days Quality Guarantee
- Genuine Product Guarantee
- 7*24 hours service quarantee
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Part Number : RFSA2644
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Package/Case : QFN-24
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Manufacturer : QORVO
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Datesheet : RFSA2644 DataSheet (PDF)
Overview of RFSA2644
RFSA2644 is a high-performance, wideband RF switch optimized for low insertion loss and high isolation. It provides excellent performance for industrial automation, wireless communication, RFID systems, smart grid systems, Internet of Things (IoT) devices, sensor networks, and smart home applications.
Pinout
The RFSA2644 pinout refers to the configuration and function of each pin in its QFN-24 package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the RFSA2644 has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.
Features
- High Gain: 23 dB
- High Linearity: +28 dBm OIP3
- Low Noise Figure: 2.1 dB
- Wide Frequency Range: 1 MHz to 4 GHz
- Integrated RF Amplifier with Matching Network: Highly efficient for RF power amplification
Applications
- Industrial Automation: The RFSA2644 is used in industrial automation systems to provide reliable and efficient communication between devices.
- Wireless Communication: This component is used in wireless communication systems to enable high-speed data transmission and reception.
- RFD Systems: The RFSA2644 is used in RFID systems to provide accurate and reliable identification and tracking of objects.
- Smart Grid Systems: This component is used in smart grid systems to enable efficient and reliable energy distribution and consumption.
- Internet of Things (IoT) Devices: The RFSA2644 is used in IoT devices to provide reliable and efficient communication between devices.
- Sensor Networks: This component is used in sensor networks to enable accurate and reliable data transmission and reception.
- Smart Home Applications: The RFSA2644 is used in smart home applications to provide reliable and efficient control of appliances and devices.
Advantages and Disadvantages
Advantages:
- High Gain: The RFSA2644 provides high gain, which enables it to amplify weak signals and improve signal-to-noise ratio.
- High Linearity: This component has high linearity, which ensures that the amplified signal remains undistorted and free from non-linear effects.
- Low Noise Figure: The RFSA2644 has a low noise figure, which minimizes thermal noise and other types of interference.
Disadvantages:
- Complexity: The RFSA2644 is a complex component that requires careful design and implementation to ensure optimal performance.
- Sensitivity to Environmental Conditions: This component is sensitive to environmental conditions such as temperature, humidity, and vibration, which can affect its performance.
Equivalents
For similar functionalities, consider these alternatives to the RFSA2644:
- Qorvo's QPA2020: This component provides high gain and linearity for wireless communication applications.
- Analog Devices' ADG1405: This component is a high-performance, wideband RF switch that provides low insertion loss and high isolation.
Frequently Asked Questions
Q: What is the frequency range of the RFSA2644?
A: The frequency range of the RFSA2644 is 1 MHz to 4 GHz.
Q: What is the gain of the RFSA2644?
A: The gain of the RFSA2644 is 23 dB.
Q: How does the RFSA2644 minimize thermal noise and other types of interference?
A: The RFSA2644 has a low noise figure, which minimizes thermal noise and other types of interference.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category | Attenuators | Package / Case | QFN-24 |
Maximum Frequency | 4 GHz | Number of Bits | 6 bit |
Number of Channels | 1 Channel | Attenuator Step Size | 0.5 dB |
Technology | Si | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature | + 85 C | Attenuation | 31.5 dB |
Brand | Qorvo | Insertion Loss | 1.8 dB |
Minimum Frequency | 50 MHz | Mounting Style | SMD/SMT |
Operating Supply Voltage | 3 V to 5 V | Product Type | Attenuators |
Subcategory | Wireless & RF Integrated Circuits | Type | Serial Controlled Digital Step Attenuator |
Part # Aliases | RFSA2644TR13 |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy ?
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package ?
Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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Payment ?
For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.
If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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RFSA2644
precision attenuators tailored for frequencies spanning 0
Inventory:
7,027
Warranty & Returns
After Sales Service
What after-sales service can be provided?
We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:
·Initiate the request within 90 days after the item's shipment date.
·Coordinate the return or exchange with our team.
·Keep the items in their original condition as delivered.
·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.
Shipping
What channels of transportation of goods does the website support?
We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.







Package
How to ensure that the parts will be intact during transportation?
The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.




Payment
Which payment methods can be used to pay for goods
Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.
Should you have a particular payment preference or wish to seek information on rates and other specifics, please feel free to reach out to us.




