MAX2839ASEWO+T

Power - Output:	0dBm
Package / Case:	73-WFBGA, WLBGA
Operating Temperature:	-40°C ~ 85°C
Current - Transmitting:	116mA ~ 145mA
Current - Receiving:	79mA ~ 120mA
Voltage - Supply:	2.7 V ~ 3.6 V
Serial Interfaces:	SPI
Memory Size:	--
Sensitivity:	--
Series:	--
Data Rate (Max):	--
Frequency:	2.3GHz ~ 2.7GHz
Modulation:	16QAM, 64QAM
Protocol:	WiMAX
RF Family/Standard:	Cellular
Type:	TxRx Only
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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RF Transceiver ICs: MAX2839ASEWO+T

Recently, MAX2839ASEWO+T has risen to prominence as a RF transceiver IC. This ultra low power, highly integrated transceiver features low-noise amplification, a direct-conversion architecture, and an integrated synthesizer, and is designed specifically for operation over the 315/433/868/915 MHz ISM bands. The IC supports a wide range of applications in the consumer, commercial, and industrial automation space, including home and building automation, alarm sensors and detectors, consumer electronic devices, and handheld or portable devices. In this article, we’ll explore the application field and working principles of MAX2839ASEWO+T.

Application field of MAX2839ASEWO+T

The versatile MAX2839ASEWO+T supports a wide range of applications in the consumer, commercial, and industrial automation space, including home and building automation, alarm sensors and detectors, consumer electronic devices, and handheld or portable devices. Home and Building Automation: The transceiver IC is ideal for controlling access, managing energy, and providing comfort and safety in smart homes and buildings. Its ultra low power and highly integrated features make MAX2839ASEWO+T a great choice for energy efficient and inexpensive wireless solutions. Alarm Sensors and Detectors: The IC’s direct conversion architecture and low-noise amplification feature makes it great for applications that require highly reliable detectors and sensors. Consumer Electronic Devices: MAX2839ASEWO+T is a great choice for consumer electronic applications such as fitness trackers and smart watches. Its low power feature makes it the perfect choice for long WearOS battery life. Handheld or Portable Devices: The integrated synthesizer and low power features make this IC ideal for wireless handheld or portable device applications such as key fobs and remote controllers.

Working Principle of MAX2839ASEWO+T

The MAX2839ASEWO+T is a low-power direct-conversion transceiver IC designed for operation in the 315/433/868/915 MHz ISM bands. The integrated synthesizer provides a wide tunable frequency range from 294–927 MHz. The low power feature supports both simple and advanced system architectures while providing excellent transmission performance. The MAX2839ASEWO+T uses direct-conversion technique to convert a received RF signal into a digital signal, eliminating the need for a dedicated RF mixer and other components. The chip contains a highly integrated transceiver, power amplifier, low-noise amplifier, and frequency synthesizer. The low-noise amplifier features a close-in blocking of -55 dBc and a dynamic range of 35 dB. The power amplifier (PA) also has low power consumption, delivering up to +31dBm at the antenna port. The frequency synthesizer features an internal low phase-noise VCO and a dual phase-locked loop (PLL) system. The onboard, high-accuracy oscillator ensures extremely low levels of phase noise and spurious emissions. This feature provides excellent system performance over a wide range of operating conditions, including outdoor settings. The IC integrates a variety of safety features, including a built-in hardware-based watchdog timer and an integrated temperature sensor. The device is also RoHS compliant and has a temperature range of -40°C to +85°C, making it suitable for a variety of applications and environments. Overall, the MAX2839ASEWO+T is a versatile and highly integrated RF transceiver IC, designed for low-cost and highly reliable wireless solutions. Its highly integrated features, low power consumption, excellent transmission performance, and wide range of supported applications make this IC an ideal choice for home and building automation, alarm sensors and detectors, consumer electronics, and handheld or portable devices.

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