CB2401

PRELIMINARY CB2401 CMOS 2.4GHZ ZIGBEE/ISM TRANSMIT/RECEIVE FEM DESCRIPTION AL The CB2401 is a fully integrated, single-chip, single-die RF Front-end Integrated Circuit. which incorporates all the RF functionality needed for IEEE 802.15.4/ZigBee, wireless sensor network, and any other wireless systems in the 2.4GHz ISM band. The CB2401 architecture integrates the PA, LNA, Transmit and Receive switching circuitry, the associated matching network, and the harmonic filter all in a CMOS single-chip device. 1 GND 2 GND 3 TXRX 4 DNC 15 14 13 12 GND 11 GND 10 ANT 9 GND RXEN 7 8 GND 6 GND 5 TXEN CO GND VDD 16 GND VDD BLOCK DIAGRAM NF ID EN TI Typical high power applications include home and industrial automation, smart power, and RF4CE among others. Combining superior performance, high sensitivity and efficiency, low noise, small form factor, and low cost, CB2401 is the perfect solution for applications requiring extended range and bandwidth. CB2401 has simple and low-voltage CMOS control logic, and requires minimal external components for system implementation. TE R Figure 1. CB2401 Block Diagram FEATURES  2.4GHz ZigBee High Power Single-Chip, SingleDie RF Front-End IC Combined TX / RX Transceiver Port and Single Antenna Port 2.4GHz Transmit High Power Amplifier with LowPass Harmonic Filter Low Noise Amplifier Transmit / Receive Switch Circuitry Low Voltage (1.2V) CMOS Control Logic ESD Protection Circuitry on All Ports DC Decoupled RF Ports Internal RF Decoupling on All VDD Bias Pins Low Noise Figure for the Receive Channel Very Low DC Power Consumption Full On-chip Matching and Decoupling Circuitry Minimal External Components Required 50-Ohm Input / Output Matching Market Proven CMOS Technology 3 x 3 x 0.55mm Small Outline QFN-16 Package with Exposed Ground Pad BE T         ZigBee Extended Range Devices ZigBee Smart Power Wireless Sound and Audio Systems Home and Industrial Automation Wireless Sensor Networks Custom 2.4GH z Radio Systems CH IP              APPLICATIONS Chipbetter Microelectronics Inc. - 1 / 11 - www.chipbetter.com PRELIMINARY CB2401 CMOS 2.4GHZ ZIGBEE/ISM TRANSMIT/RECEIVE FEM 3 TXRX 4 VDD DNC AL GND 5 6 7 8 GND GND 13 NF ID EN TI 2 14 GND GND 15 RXEN 1 16 TXEN GND VDD PIN-OUT DIAGRAM 12 GND 11 GND 10 ANT 9 GND CO Figure 2. CB2401 Pin out (Top View) PIN ASSIGNMENTS Name TXRX Description RF signal to / from the Transceiver: DC shorted to GND TXEN RXEN ANT GND DNC CMOS Input to Control TX Enable CMOS Input to Control RX Enable RF Signal from the PA or RF Signal Applied to the LNA; DC Shorted to GND Ground – Must be connected to Ground in the Application Circuit Reserved – Do Not Connect in the Application Circuit Alternative Voltage Supply Pin, internally connected to Pin 16, no connection needed Voltage Supply Connection TE R Pin 4 BE T 5 6 10 1, 2, 3, 7, 8, 9,11, 12, 15, 17 13 VDD 16 VDD CH IP 14 Chipbetter Microelectronics Inc. - 2 / 11 - www.chipbetter.com PRELIMINARY CB2401 CMOS 2.4GHZ ZIGBEE/ISM TRANSMIT/RECEIVE FEM CB2401 ABSOLUTE MAXIMUM RATINGS Storage Ambient Temperature Minimum 0 0 Maximum 4.0 3.6 350 1 +5 +5 Units V V mA uA dBm dBm +150 °C AL Conditions All VDD Pins Through 1Kohm resistor Through VDD Pins when TX is “ON” NF ID EN TI Parameters DC VDD Voltage Supply DC Control Pin Voltage DC VDD Current Consumption DC Control Pin Current Consumption TX RF Input Power ANT RF Input Power Appropriate care required according to JEDEC Standards Human Body Model -50 ESD Voltage (HBM) 2000 V NOTE: Sustained operation at or above the Absolute Maximum Ratings for any single or combinations of the above parameters may result in permanent damage to the device and is not recommended. All Maximum RF Input Power Ratings assume 50Ohm terminal impedance. RECOMMENDED OPERATING CONDITIONS Conditions CO All VDD Pins TE R Parameters Operating Frequency DC VDD Voltage Supply Control Voltage “High” Control Voltage “Low” Control Pin Current Consumption DC Shutdown Current PA Turn On/Off Time Input/Output Single-Ended Impedance Operating Ambient Temperature Typical 3.3 0 1 Maximum 2.5 3.6 VDD 0.3 5 0.8 50 -40 +85 Units GHz V V V μA μA µsec Ω °C CH IP BE T All Operating Modes Minimum 2.4 2.0 1.2 Chipbetter Microelectronics Inc. - 3 / 11 - www.chipbetter.com PRELIMINARY CB2401 CMOS 2.4GHZ ZIGBEE/ISM TRANSMIT/RECEIVE FEM CB2401 ELECTRICAL SPECIFICATIONS1 Second Harmonic All RF Pins Terminated by 50 Ohms CW CW POUT = +20dBm, IEEE 802.15.4 OQPSK modulation signal Min Third Harmonic 2.4 +22 25 Output Return Loss Input / Output Impedance Single-Ended TX Quiescent Current TX High Power Current No RF Input Signal POUT = +20dBm All non-harmonically related spurs less than -43 dBm/Hz Load VSWR for Stability (CW, Fix Pin for POUT = +20dBm with 50Ω Load) Units 2.525 GHz dBm dB dBm/MHz -20 dBm/MHz -10 dB -8 50 17 100 dB Ohm mA mA 4:1 6:1 N/A No damage 8:1 10:1 N/A Min Parameters Standby Mode： DC Shutdown Current TXRX-ANT Insertion Loss (S21) ANT-TXRX Insertion Loss (S21) Return Loss (S11) Transmit-Receive Switching Time Shut-Down and “ON” State Switching Time Min TE R CO Parameters Test Condition Receive Mode：(VDD=3.3V; T=+25℃) Operating Frequency Band All RF Pins Terminated by 50 Ohms Gain Noise Figure Input Return Loss Output Return Loss RF Port Impedance RX Quiescent Current No RF Applied Input P1dB No RF Applied Test Condition Pin < -20dBm From TXRX Port Typ. 2.4 Max Units 2.525 GHz dB dB dB dB Ohm mA dBm Max Units 5 uA dB dB dB ns ns 10 3.5 -12 -15 50 10 -8 Typ. -50 -50 -1.5 800 800 CH IP BE T Max -15 POUT = +20dBm, IEEE 802.15.4 OQPSK modulation signal Input Return Loss Typ. AL Test Condition NF ID EN TI Parameters Transmit Mode：(VDD=3.3V; T=+25℃) Operating Frequency Band Saturated Output Power Small-Signal Gain Chipbetter Microelectronics Inc. - 4 / 11 - www.chipbetter.com PRELIMINARY CB2401 CMOS 2.4GHZ ZIGBEE/ISM TRANSMIT/RECEIVE FEM LOGIC TRUTH TABLE AL PEN X 1 0 CH IP BE T TE R CO NF ID EN TI Mode LEN TX Active 1 RX Active 0 Chip is Shut-down 0 NOTE: 1. “1” denotes high voltage state (> 1.2V) 2. “0” denotes low voltage stage (