HMC349MS8G / 349MS8GE v02.0607 HIGH ISOLATION SPDT NON-REFLECTIVE SWITCH, DC - 4 GHz Typical Applications Features The HMC349MS8G / HMC349MS8GE is ideal for: • Basestation Infrastructure High Isolation: 70 dB @ 1 GHz 57 dB @ 2 GHz • MMDS & 3.5 GHz WLL Single Positive Control: 0/+5V • CATV/CMTS +52 dBm Input IP3 • Test Instrumentation Non-Reflective Design All Off State Ultra Small MS8G SMT Package: 14.8 mm2 Included in the HMC-DK005 Designer’s Kit Functional Diagram SWITCHES - SMT 10 Electrical Specifi cations, TA = +25° C, Vctl = 0/+5 Vdc, Vdd = +5 Vdc, 50 Ohm System Parameter Frequency Insertion Loss DC - 1.0 GHz DC - 2.0 GHz DC - 3.0 GHz DC - 4.0 GHz Isolation (RFC to RF1/RF2) DC - 1.0 GHz DC - 2.0 GHz DC - 3.0 GHz DC - 4.0 GHz Min. 60 54 45 42 DC - 1.0 GHz DC - 2.0 GHz DC - 3.0 GHz DC - 4.0 GHz 0.5 - 2.0 GHz 0.5 - 3.0 GHz 0.5 - 4.0 GHz Return Loss (On State) Return Loss (Off State) Input Power for 1 dB Compression 0.25 - 4.0 GHz Input Third Order Intercept (Two-Tone Input Power = +7 dBm Each Tone) 0.25 - 1.0 GHz 1.0 - 2.0 GHz 2.0 - 3.0 GHz 3.0 - 4.0 GHz Switching Speed DC - 4.0 GHz tRISE, tFALL (10/90% RF) tON, tOFF (50% CTL to 10/90% RF) 10 - 244 General Description The HMC349MS8G & HMC349MS8GE are high isolation non-reflective DC to 4 GHz GaAs MESFET SPDT switches in low cost 8 lead MSOP8G surface mount packages with exposed ground paddles. The switch is ideal for cellular/PCS/3G basestation applications yielding 50 to 60 dB isolation, low 0.8 dB insertion loss and +52 dBm input IP3. Power handling is excellent up through the 3.5 GHz WLL band with the switch offering a P1dB compression point of +31 dBm. On-chip circuitry allows a single positive voltage control of 0/+5 Volts at very low DC currents. An enable input (EN) set to logic high will put the switch in an “all off” state. 27 Typ. Max. Units 0.8 0.9 1.2 1.8 1.1 1.2 1.5 2.1 dB dB dB dB 70 57 50 47 dB dB dB dB 23 18 13 8 20 17 14 dB dB dB dB dB dB dB 31 dBm 53 50 49 47 dBm dBm dBm dBm 40 120 ns ns 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 HMC349MS8G / 349MS8GE v02.0607 HIGH ISOLATION SPDT NON-REFLECTIVE SWITCH, DC - 4 GHz Insertion Loss Return Loss 0 -5 -1 RETURN LOSS (dB) -2 +25C +85C -40C -3 -4 RFC RF1, RF2 ON RF1, RF2 OFF -10 -15 -20 -25 -5 -30 0 1 2 3 4 5 0 0.5 1 1.5 FREQUENCY (GHz) 2 2.5 3 3.5 4 4.5 5 FREQUENCY (GHz) 10 Note: RFC is refl ective in “all off” state. Isolation Between Ports RFC and RF1 / RF2 Isolation Between Ports RF1 and RF2 0 0 -10 ISOLATION (dB) ISOLATION (dB) RF1 RF2 ALL OFF -20 -40 -60 -20 -30 -40 -50 -60 -80 -70 0 1 2 3 4 5 0 1 2 FREQUENCY (GHz) 4 5 FREQUENCY (GHz) 0.1 and 1 dB Input Compression Point Input Third Order Intercept Point 60 34 +25C +85C -40C 32 56 30 IP3 (dBm) INPUT COMPRESSION (dBm) 3 SWITCHES - SMT INSERTION LOSS (dB) 0 28 26 52 48 0.1 dB Compression Point 1 dB Compression Point 24 44 22 40 20 0 1 2 FREQUENCY (GHz) 3 4 0 1 2 3 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 10 - 245 HMC349MS8G / 349MS8GE v02.0607 HIGH ISOLATION SPDT NON-REFLECTIVE SWITCH, DC - 4 GHz Absolute Maximum Ratings 10 RF Input Power (Vctl = 0V/+5V) (0.25 - 4 GHz) +30 dBm (T = +85 °C) Supply Voltage Range (Vdd) +7 Vdc Control Voltage Range (Vctl) -1V to Vdd +1V Hot Switch Power Level (Vdd = +5V) +30 dBm Channel Temperature 150 °C Continuous Pdiss (T = 85 °C) (derate 12 mW/°C above 85 °C) 0.75 W Thermal Resistance 87 °C/W Storage Temperature -65 to +150 °C Operating Temperature -40 to +85 °C ESD Sensitivity (HBM) Class 1A Bias Voltage & Current Vdd Range = +5.0 Vdc ± 10% Vdd (Vdc) Idd (Typ.) (mA) Idd (Max.) (mA) +5.0 2.3 5.0 TTL/CMOS Control Voltages State Bias Condition Low 0 to +0.8 Vdc @ <1 μA Typical High +2.0 to +5.0 Vdc @ 30 μA Typical Truth Table SWITCHES - SMT Control Input 10 - 246 Note: DC blocking capacitors are required at ports RFC, RF1 and RF2. Their value will determine the lowest transmission frequency. ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS Signal Path State Vctl EN RFC - RF1 RFC - RF2 Low Low OFF ON High Low ON OFF Low High OFF OFF High High OFF OFF 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 HMC349MS8G / 349MS8GE v02.0607 HIGH ISOLATION SPDT NON-REFLECTIVE SWITCH, DC - 4 GHz Outline Drawing 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 AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. Package Information Part Number Package Body Material Lead Finish MSL Rating HMC349MS8G Low Stress Injection Molded Plastic Sn/Pb Solder MSL1 HMC349MS8GE RoHS-compliant Low Stress Injection Molded Plastic 100% matte Sn MSL1 Package Marking [3] [1] H349 XXXX [2] H349 XXXX SWITCHES - SMT 10 [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 10 - 247 HMC349MS8G / 349MS8GE v02.0607 HIGH ISOLATION SPDT NON-REFLECTIVE SWITCH, DC - 4 GHz Pin Descriptions SWITCHES - SMT 10 10 - 248 Pin Number Function Description 1 Vdd Supply Voltage. 2 Vctl Control input. See truth and control voltage tables. 3, 5, 8 RFC, RF1, RF2 These pins are DC coupled and matched to 50 Ohms. Blocking capacitors are required. 4 EN Enable. See truth and control voltage tables. 6, 7 GND Package bottom must also be connected to PCB RF ground. Interface Schematic 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 HMC349MS8G / 349MS8GE v02.0607 HIGH ISOLATION SPDT NON-REFLECTIVE SWITCH, DC - 4 GHz Evaluation PCB SWITCHES - SMT 10 List of Materials for Evaluation PCB 107662 [1] Item Description J1 - J3 PCB Mount SMA RF Connector J4 - J8 DC Pin C1 - C3 100 pF Capacitor, 0402 Pkg. U1 HMC349MS8G / HMC349MS8GE SPDT Switch PCB [2] 107660 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 and backside ground slug 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 10 - 249