MKW21D256VHA5

Power - Output:	8dBm
Package / Case:	63-VFLGA
Operating Temperature:	-40°C ~ 105°C
Current - Transmitting:	19mA
Current - Receiving:	15mA
Voltage - Supply:	1.8 V ~ 3.6 V
GPIO:	2
Serial Interfaces:	I²C, JTAG, SPI, UART
Memory Size:	256kB Flash, 32kB SRAM
Sensitivity:	-102dBm
Series:	--
Data Rate (Max):	250kbps
Frequency:	2.4GHz
Modulation:	DSSS, O-QPSK
Protocol:	Zigbee®
RF Family/Standard:	802.15.4
Type:	TxRx + MCU
Part Status:	Active
Packaging:	Tray

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RF Transceiver ICs: MKW21D256VHA5

RF transceiver ICs are integrated circuits used in semiconductor and electronic devices that both transmit and receive radio frequency signals. The MKW21D256VHA5 belongs to a family of highly integrated 2.4GHz transceivers that provide for a low-cost single-chip solution for the design of RF systems.

Application Field

The MKW21D256VHA5 has a wide range of applications, particularly in short-distance and low-power wireless communication. This transceiver offers a low-cost solution for a variety of wireless communications, including Wi-Fi, Zigbee, Bluetooth, and other short-distance radio data networks. It can be used for remote control systems, medical monitoring systems, and consumer electronics.

Features and Performance

The MKW21D256VHA5 transceiver IC features a low current Consumption, providing a robust radio-frequency link for low power applications. It has an integrated CPU that supports an 8/16-bit microcontroller so it can be integrated into a wide range of communication systems. It supports 2.4GHz ISM and SRD band frequencies, making it compatible with a range of wireless protocols. It also has an integrated energy detector and preamble detection to ensure reliable wireless communications. It offers high output power of up to 19.5dBm and low current consumption of 21 mA at a receive power of -97 dBm. In addition, it has an integrated power amplifier and LNA, maximizing the received signal strength.

Working Principle

The MKW21D256VHA5 transceiver IC integrates both a transmitter and a receiver on a single chip. The transmitter processes the outgoing data and transmits it as an RF signal. The RF signal is received by the receiver, which processes the incoming data and sends it back to the device.The transmitter uses a modulation technique to convert the outgoing data into an RF signal. In this process, the data is embedded in an RF carrier signal. This enables the device to send the information over a distance. The receiver extracts the data from the incoming RF signal by demodulation.In order to ensure reliable wireless communication, the transceiver also includes a range of additional components. First, the transmitter has an integrated power amplifier and LNA, which amplify the transmitted signal. Additionally, the receiver has an integrated energy detector and preamble detection, which detect and filter out noise and interference.

Conclusion

The MKW21D256VHA5 transceiver IC provides a low-cost and efficient solution for a range of short-distance and low-power wireless communications. It features a high output power of up to 19.5dBm and low current consumption of only 21 mA at a receive power of -97 dBm. It also supports the 2.4GHz ISM and SRD bands, as well as an integrated CPU and energy detector and preamble detection. By integrating both a transmitter and receiver on a single chip, the MKW21D256VHA5 is an ideal choice for a variety of wireless applications.

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