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| HMC544 / 544E v00.0206 GaAs MMIC T/R SWITCH, DC - 4.0 GHz Typical Applications The HMC544 / HMC544E is ideal for: * Cellular/PCS/3G Infrastructure * Basestations & Repeaters * WLAN, WiMAX and WiBro Features Very Low Insertion Loss: 0.2 dB @ 1.0 GHz High Input P1dB: +39 dBm High Input IP3: +55 dBm Positive Control: 0/+3V to 0/+5V Compact SOT26 SMT Package 8 SWITCHES - SMT * Microwave and Fixed Wireless Radios Functional Diagram General Description The HMC544 & HMC544E are low cost SPDT switches in 6-lead SOT26 packages for use in transmit-receive applications which require very low insertion loss at medium power levels. These devices can control signals from DC to 4.0 GHz and are especially suited for 450, 900, 1900, 2300, and 2700 MHz applications with <0.5 dB insertion loss. This GaAs PHEMT design provides exceptional linearity performance of +36 dBm 1dB compression point and +55 dBm third order intercept at +3 volt bias. RF1 and RF2 are reflective opens when "Off". On-chip circuitry allows positive control operation at very low DC current. Electrical Specifications, TA = +25 C, Vctl = 0/+3 Vdc, 50 Ohm System Parameter Frequency DC - 1.0 GHz DC - 2.5 GHz DC - 3.0 GHz DC - 4.0 GHz DC - 1.0 GHz DC - 2.5 GHz DC - 3.0 GHz DC - 4.0 GHz DC - 4.0 GHz 0/+5V Control 0/+3V Control 0.3 - 4.0 GHz 0.3 - 4.0 GHz DC - 4.0 GHz tRISE, tFALL (10/90% RF) tON, tOFF (50% CTL to 10/90% RF) 70 140 ns ns 36 33 18 10 9 8 Min. Typ. 0.25 0.4 0.5 0.7 23 14 13 12 32 39 36 55 Max. 0.5 0.7 0.8 1.0 Units dB dB dB dB dB dB dB dB dB dBm dBm dBm Insertion Loss Isolation Return Loss Input Power for 1 dB Compression Input Third Order Intercept (Two-Tone Input Power = +27 dBm Each Tone) Switching Characteristics 8 - 276 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC544 / 544E v00.0206 GaAs MMIC T/R SWITCH, DC - 4.0 GHz Insertion Loss 0 Return Loss 0 INSERTION LOSS (dB) -10 RETURN LOSS (dB) -0.5 -20 RFC RF1, RF2 -1 -30 -1.5 +25C +85C -40C 8 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 FREQUENCY (GHz) -40 -2 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 FREQUENCY (GHz) -50 Isolation Between Ports RFC & RF1 / RF2 0 -5 -10 ISOLATION (dB) -15 -20 -25 -30 -35 -40 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 FREQUENCY (GHz) RF1 RF2 Isolation Between Ports RF1 & RF2 0 -5 -10 ISOLATION (dB) -15 -20 -25 -30 -35 -40 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 FREQUENCY (GHz) RF1 ON RF2 ON Input IP3 vs. Temperature, Vctl = 0/+3V 65 Input IP3 vs. Vctl 65 60 INPUT IP3 (dBm) INPUT IP3 (dBm) 60 55 55 50 +25C +85C -40C 50 +3V +5V 45 45 40 0 0.5 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) 40 0 0.5 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com 8 - 277 SWITCHES - SMT HMC544 / 544E v00.0206 GaAs MMIC T/R SWITCH, DC - 4.0 GHz Input P1dB vs. Temperature, Vctl = 0/+3V 45 Compression vs. Vctl 45 INPUT P0.1dB & P1dB (dBm) 40 INPUT P1dB (dBm) 40 35 +25C +85C -40C 35 8 SWITCHES - SMT 30 30 P0.1dB +3V P0.1dB +5V P1dB +3V P1dB +5V 25 25 20 0 0.5 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) 20 0 0.5 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) Truth Table Control Input A Low High B High Low Signal Path RFC to RF1 On Off RFC to RF2 Off On Control Voltages State Low High Bias Condition 0 to 0.2 Vdc @ 1 A Typical +3 Vdc @ 0.5 A Typical to +5 Vdc @ 2 A Typical (0.2 Vdc) 8 - 278 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC544 / 544E v00.0206 GaAs MMIC T/R SWITCH, DC - 4.0 GHz Absolute Maximum Ratings RF Input Power (Vctl = 0/+5V) Control Voltage Range (A & B) Hot Switch Power Level (Vctl = 0/+5V) Channel Temperature Continuous Pdiss (T= 85 C) (derate 7.14 mW/ C above 85C) Thermal Resistance Storage Temperature Operating Temperature ESD Sensitivity (HBM) +39 dBm -0.2 to +12 Vdc +39 dBm 150 C 0.465 W 140 C/W -65 to +150 C ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS 8 SWITCHES - SMT NOTES: 1. LEADFRAME MATERIAL: COPPER ALLOY 2. DIMENSIONS ARE IN INCHES [MILLIMETERS]. 3. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.15mm PER SIDE. 4. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.25mm PER SIDE. 5. ALL GROUND LEADS MUST BE SOLDERED TO PCB RF GROUND. -40 to +85 C Class 1A DC blocks are required at ports RFC, RF1 and RF2. Outline Drawing Package Information Part Number HMC544 HMC544E Package Body Material Low Stress Injection Molded Plastic RoHS-compliant Low Stress Injection Molded Plastic Lead Finish Sn/Pb Solder 100% matte Sn MSL Rating MSL1 MSL1 [1] Package Marking [3] H544 XXXX 544E XXXX [2] [1] Max peak reflow temperature of 235 C [2] Max peak reflow temperature of 260 C [3] 4-Digit lot number XXXX For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com 8 - 279 HMC544 / 544E v00.0206 GaAs MMIC T/R SWITCH, DC - 4.0 GHz Typical Application Circuit 8 SWITCHES - SMT Notes: 1. Set logic gate Vdd = +3V to +5V and use HCT series logic to provide a TTL driver interface. 2. Control inputs A/B can be driven directly with CMOS logic (HC) with Vdd of +3V to +5V applied to the CMOS logic gates. 3. DC Blocking capacitors are required for each RF port as shown. Capacitor value determines lowest frequency of operation. Pin Descriptions Pin Number 1, 3, 5 Function RF2, RF1, RFC Description These pins are DC coupled and matched to 50 Ohms. Blocking capacitors are required. Interface Schematic 2 GND This pin must be connected to RF/DC ground. 4 B See truth and control voltage tables. 6 A See truth and control voltage tables. 8 - 280 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC544 / 544E v00.0206 GaAs MMIC T/R SWITCH, DC - 4.0 GHz Evaluation Circuit Board 8 SWITCHES - SMT List of Materials for Evaluation PCB 101675 [1] Item J1 - J5 J6 - J8 C1 - C5 U1 PCB [2] Description PCB Mount SMA RF Connector DC Pin 330 pF capacitor, 0402 Pkg. HMC544 / HMC544E SPDT Switch 101659 Evaluation PCB [1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Rogers 4350 The circuit board used in the final application should be generated with proper RF circuit design techniques. Signal lines at the RF port should have 50 ohm impedance and the package ground leads should be connected directly to the ground plane similar to that shown above. The evaluation circuit board shown above is available from Hittite Microwave Corporation upon request. For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com 8 - 281 |
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