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| RF2436Transmit/Receive Switch RF2436 TRANSMIT/RECEIVE SWITCH RoHS Compliant & Pb-Free Product Package Style: SOT-5 Features Single Positive Power Supply Low Current Consumption 1dB Insertion Loss at 900MHz 24dB Crosstalk Isolation at 900MHz +27dBm Output P1dB RX OUT 1 GND 2 TX IN 3 4 TX/RX 5 ANT I/O Applications Cordless Phones Wireless Computer Peripherals Wireless Security Systems General Purpose RF Switching Commercial and Consumer Systems Functional Block Diagram Product Description The RF2436 is a very low-cost transmit/receive GaAs MESFET switch. The device can handle power levels as high as +28dBm and spans a frequency range from DC to 2500MHz. The switch will operate from power supply voltages as low as 1.5V and as high as 6V with a CMOS logic driver for the control input. No negative voltage is required, and current consumption is very low. VSWR for the active channel (transmit or receive) is 1.1:1. The device is housed in a very small industry-standard SOT 5-lead plastic package. Ordering Information RF2436 RF2436PCBA-41X Transmit/Receive Switch Fully Assembled Evaluation Board Optimum Technology Matching(R) Applied GaAs HBT GaAs MESFET InGaP HBT SiGe BiCMOS Si BiCMOS SiGe HBT GaAs pHEMT Si CMOS Si BJT GaN HEMT RF MICRO DEVICES(R), RFMD(R), Optimum Technology Matching(R), Enabling Wireless ConnectivityTM, PowerStar(R), POLARISTM TOTAL RADIOTM and UltimateBlueTM are trademarks of RFMD, LLC. BLUETOOTH is a trademark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. (c)2006, RF Micro Devices, Inc. Rev A6 DS080128 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 1 of 6 RF2436 Absolute Maximum Ratings Parameter Supply Voltage Control Voltage Input RF Power Operating Ambient Temperature Storage Temperature Rating 0 to +8.0 -1.0 to +6.0 +30 -40 to +85 -40 to +150 Unit VDC V dBm C C Caution! ESD sensitive device. Exceeding any one or a combination of the Absolute Maximum Rating conditions may cause permanent damage to the device. Extended application of Absolute Maximum Rating conditions to the device may reduce device reliability. Specified typical performance or functional operation of the device under Absolute Maximum Rating conditions is not implied. RoHS status based on EUDirective2002/95/EC (at time of this document revision). The information in this publication is believed to be accurate and reliable. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents, or other rights of third parties, resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. Parameter Overall Frequency Range Insertion Loss Isolation RX OUT VSWR TX IN VSWR Output P1dB Output IP3 Min. Specification Typ. DC to 2500 1 Max. Unit MHz Condition T=25 C, VDD =3.0V, Freq=900MHz 2 dB dB dB Transmit or receive mode. Receive mode; ANT I/O to TX IN crosstalk Transmit mode; ANT I/O to RXOUT crosstalk Receive mode. Transmit mode. 20 20 22 24 1.1:1 1.1:1 +27 +39 0 0.7 3 1.5 to 6 5 0.5 10 1 dBm dBm V V V V A mA Receive mode. Transmit mode. Specifications Operating Limits Receive mode. Transmit mode. Control Logic CTRL Logic "Low" Voltage CTRL Logic "High" Voltage Power Supply Voltage Current 2 of 6 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. Rev A6 DS080128 RF2436 Pin 1 2 3 4 5 Function RX OUT GND TX IN TX/RX ANT I/O Description Output pin for Receive mode. VSWR is 1.1:1 when Receive mode is selected and highly capacitive when Transmit mode is selected. Ground connection. For best performance, keep traces physically short and connect immediately to the ground plane. Input pin for Transmit mode. The input VSWR is 1.1:1 when Transmit mode is selected and highly capacitive when Receive mode is selected. Transmit Mode/Receive Mode control pin. A "low" level chooses Receive mode; a "high" level chooses Transmit mode. CMOS logic may be used to drive the control input. Input/Output pin from/to antenna and power supply pin. This pin must be biased with VDD through a resistor. Interface Schematic Package Drawing 1.60 + 0.01 0.400 1 0.15 0.05 2.90 + 0.10 0.950 2.80 + 0.20 3 MAX 0 MIN 0.45 + 0.10 0.127 1.44 1.04 Dimensions in mm. Evaluation Board Schematic P1 P1-1 + C4 1 F P1-3 1 2 3 VDD GND TX/RX J1 RX OUT 50 strip C1 1 nF 1 C2 1 nF 2 3 4 5 C3 1 nF R1 2 k 50 strip J3 ANT I/O J2 TX IN 50 strip VDD TX/RX 2436400- Rev A6 DS080128 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 3 of 6 RF2436 Evaluation Board Layout 4 of 6 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. Rev A6 DS080128 RF2436 ANT to RX OUT, TX IN Terminated -30.5 Frequency Response=100MHz-3000MHz, Temp=-40C/25C/85C, Input Power= -30dBm, VCC=3V, Output Variation with Termination of Unused Port -31.4 +85c +25c -40c Frequency Response=900MHz-2500MHz, Temp=25C, Input Power= -30dBm, VCC=3V -31.0 Unused Port Terminated -31.6 Unused Port Un-terminated -31.5 -31.8 Output Amplitude (dBm) -32.0 Output Amplitude (dBm) 2500.0 3000.0 3500.0 -32.0 -32.5 -32.2 -33.0 + -32.4 -33.5 -32.6 -34.0 -32.8 -34.5 0.0 500.0 1000.0 1500.0 2000.0 -33.0 0.0 500.0 1000.0 1500.0 2000.0 2500.0 3000.0 Frequency (MHz) Frequency (MHz) RoHS* Banned Material Content RoHS Compliant: Package total weight in grams (g): Compliance Date Code: Bill of Materials Revision: Pb Free Category: Yes 0.008 518 e3 Parts Per Million (PPM) Pb 0 0 0 0 0 0 Cd 0 0 0 0 0 0 Hg 0 0 0 0 0 0 Cr VI 0 0 0 0 0 0 PBB 0 0 0 0 0 0 PBDE 0 0 0 0 0 0 Bill of Materials Die Molding Compound Lead Frame Die Attach Epoxy Wire Solder Plating This RoHS banned material content declaration was prepared solely on information, including analytical data, provided to RFMD by its suppliers, and applies to the Bill of Materials (BOM) revision noted above. * DIRECTIVE 2002/95/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 27 January 2003 on the restriction of the use of certain hazardous substances in electrical and electronic equipment Rev A6 DS080128 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 5 of 6 RF2436 6 of 6 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. Rev A6 DS080128 |
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