RFX2411N Production Data Sheet 2.4 GHz TX / RX Booster With Diversity Switch for IoT / BLE / ZigBee DESCRIPTION The RFX2411N is a fully integrated, single-chip, single-die GND VDD GND VDD DNC DNC RFeIC (RF Front-end Integrated Circuit) which incorporates all 21 20 19 18 17 16 the RF functionality needed for wireless ZigBee / smart energy applications. The RFX2411N architecture integrates a TX/RX 1 15 and diversity switching circuitry with PA, LNA, and the GND IND associated matching networks with harmonic reduction all in a 2 14 CMOS single-chip device. It also includes a bypass mode to NC ANTA provide maximal level of flexibility for system implementations. 3 13 RFX2411N is designed for the 2.4GHz ISM band and supports DNC GND standards like Bluetooth/BT EDR/ BLE, 802.15.4, ZigBee, ANT 4 12 and Thread. RFX2411N is the perfect solution for applications NC ANTB requiring extended range and bandwidth. Typical high power 5 11 applications include home and industrial automation, smart TXRX GND energy / smart metering, and RF4CE among others. RFX2411N interfaces seamless with low-voltage CMOS control logic, requires minimal external components, and provides 6 7 8 9 10 even an integrated PA power detector circuit. Combining TXEN RXEN PDET Mode SWant superior performance, high sensitivity, high efficiency, low noise, small form factor, low power consumption and low cost, RFX2411N provides an ideal and application-friendly solution. FEATURES Single-Chip, Single-Die CMOS IC Transmit/Receive Switch Circuitry Full On-chip Matching and Decoupling Circuitry Antenna Diversity Switch Circuitry Minimal External Components Required TX Power Amplifier or Bypass 50-Ohm Input / Output Matching RX Low Noise Amplifier or Bypass Market Proven CMOS Technology Linearity Meeting Standards for OQPSK, 3 x 3 x 0.55mm Small Outline QFN-20 Package with Exposed Ground Pad DQPSK and 8DPSK Modulations Integrated Power Detector for Transmit Power APPLICATIONS Monitor and Control CMOS Control Logic Extended Range Devices ESD Protection Circuitry on All Pins ZigBee, ANT+, Thread, Bluetooth, BLE, RF4CE RF Ports do not carry DC voltage Smart Energy / Metering / Lighting / Remote Control Internal RF Decoupling on VDD Bias Pins Home and Industrial Automation Very Low DC Power Consumption Custom 2.4GHz Radio Systems o Operation up to 125C C ambient temperature Mobile and Battery Systems 1 Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com RFX2411N Production Data Sheet PIN ASSIGNMENTS: Pin Number Pin Name Description 1, 11,13, 19, 21 GND Ground Must be connected to GND in the Application Circuit 2, 4 NC No Internal Connection Can be connected to GND in the Application Circuit 5 TXRX RF signal to/from the Transceiver (at DC this pin presents a short to GND) 6 TXEN PA Control (digital CMOS input) 7 RXEN LNA Control (digital CMOS input) 8 PDET Analog output providing DC voltage proportional to PA RF Power Output 9 MODE BYPASS control (digital CMOS input ) 10 SWant ANTENNA control (digital CMOS input selects between A and B for diversity) 12 ANTB PA Output / LNA Input for Ant B (at DC this pin presents a short to GND) 14 ANTA PA Output / LNA Input for Ant A (at DC this pin presents a short to GND) nd 15 IND Inductor to GND (choice of value impacts 2 harmonic) 3, 16, 17 DNC Reserved Do Not Connect at the PCB level in the Application Circuit 18, 20 VDD Voltage Supply (Internally Connected to each other) PIN-OUT DIAGRAM: VDD GND VDD DNC DNC 20 19 18 17 16 DNC GND 1 15 IND 21 GND NC 2 14 ANTA DNC 3 13 GND NC 4 12 ANTB TXRX 5 11 GND 6 7 8 9 10 TXEN RXEN PDET MODE SWANT 2 Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com