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| HMC349LP4C / 349LP4CE v02.1205 HIGH ISOLATION SPDT NON-REFLECTIVE SWITCH, DC - 4.0 GHz Typical Applications The HMC349LP4C / HMC349LP4CE is ideal for: * Basestation Infrastructure * MMDS & 3.5 GHz WLL * CATV/CMTS Features High Isolation: 67 dB @ 1 GHz 62 dB @ 2 GHz Single Positive Control: 0/+5V +52 dBm Input IP3 Non-Reflective Design All Off State 8 SWITCHES - SMT * Test Instrumentation Functional Diagram 16 mm2 Leadless QFN SMT Package General Description The HMC349LP4C & HMC349LP4CE are high isolation non-reflective DC to 4 GHz GaAs MESFET SPDT switches in low cost leadless surface mount packages. The switch is ideal for cellular/PCS/ 3G basestation applications yielding 60 to 65 dB isolation, low 0.9 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. Electrical Specifications, TA = +25 C, Vctl = 0/+5 Vdc, Vdd = +5 Vdc, 50 Ohm System Parameter Frequency DC - 1.0 GHz DC - 2.0 GHz DC - 3.0 GHz DC - 4.0 GHz DC - 1.0 GHz DC - 4.0 GHz DC - 2.0 GHz DC - 3.0 GHz DC - 4.0 GHz 0.5 - 4.0 GHz 0.25 - 4.0 GHz 0.25 - 1.0 GHz 1.0 - 2.0 GHz 2.0 - 3.0 GHz 3.0 - 4.0 GHz DC - 4.0 GHz tRISE, tFALL (10/90% RF) tON, tOFF (50% CTL to 10/90% RF) 50 120 ns ns 27 60 55 Min. Typ. 0.9 1.0 1.2 1.4 67 62 20 15 13 15 31 52 50 49 46 Max. 1.2 1.3 1.5 1.7 Units dB dB dB dB dB dB dB dB dB dB dBm dBm dBm dBm dBm Insertion Loss Isolation (RFC to RF1/RF2) Return Loss (On State) Return Loss (Off State) Input Power for 1 dB Compression Input Third Order Intercept (Two-Tone Input Power = +7 dBm Each Tone) Switching Speed 8 - 220 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 HMC349LP4C / 349LP4CE v02.1205 HIGH ISOLATION SPDT NON-REFLECTIVE SWITCH, DC - 4.0 GHz Insertion Loss 0 Return Loss 0 -5 RETURN LOSS (dB) -10 -15 -20 -25 -30 RFC RF1, RF2 ON RF1, RF2 OFF INSERTION LOSS (dB) -1 -2 +25C +85C -40C -3 8 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 FREQUENCY (GHz) -4 -5 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 FREQUENCY (GHz) Note: RFC is reflective in "all off" state. Isolation Between Ports RFC and RF1 / RF2 0 -10 -20 ISOLATION (dB) -30 -40 -50 -60 -70 -80 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 FREQUENCY (GHz) RF1 RF2 ALL OFF Isolation Between Ports RF1 and RF2 0 -10 -20 ISOLATION (dB) -30 -40 -50 -60 -70 -80 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 FREQUENCY (GHz) RFC-RF1 ON RFC-RF2 ON 0.1 and 1 dB Input Compression Point 34 INPUT COMPRESSION (dBm) 32 30 Input Third Order Intercept Point 60 58 56 54 IIP3 (dBm) 52 50 48 46 44 +25C +85C -40C 28 26 24 22 20 0 1 2 FREQUENCY (GHz) 3 4 0.1 dB Compression Point 1 dB Compression Point 42 40 0 1 2 FREQUENCY (GHz) 3 4 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 - 221 SWITCHES - SMT HMC349LP4C / 349LP4CE v02.1205 HIGH ISOLATION SPDT NON-REFLECTIVE SWITCH, DC - 4.0 GHz Absolute Maximum Ratings RF Input Power (Vctl = 0V/+5V) (0.25 - 4 GHz) Supply Voltage Range (Vdd) Control Voltage Range (Vctl) Hot Switch Power Level (Vdd = +5V) +30 dBm (T = +85 C) +7 Vdc -1V to Vdd +1V +30 dBm 150 C 0.75 W 87 C/W -65 to +150 C -40 to +85 C Class 1A Bias Voltage & Current Vdd Range = +5.0 Vdc 10% Vdd (Vdc) +5.0 Idd (Typ.) (mA) 2.3 Idd (Max.) (mA) 5.0 8 SWITCHES - SMT Channel Temperature Continuous Pdiss (T = 85 C) (derate 12 mW/C above 85 C) Thermal Resistance Storage Temperature Operating Temperature ESD Sensitivity (HBM) TTL/CMOS Control Voltages State Low High Bias Condition 0 to +0.8 Vdc @ <1 A Typical +2.0 to +5.0 Vdc @ 30 A Typical Truth Table Control Input Vctl Low High EN Low Low High High Signal Path State RFC - RF1 OFF ON OFF OFF RFC - RF2 ON OFF OFF OFF 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 Low High 8 - 222 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 HMC349LP4C / 349LP4CE v02.1205 HIGH ISOLATION SPDT NON-REFLECTIVE SWITCH, DC - 4.0 GHz Outline Drawing 8 SWITCHES - SMT H349 XXXX H349 XXXX NOTES: 1. LEADFRAME MATERIAL: COPPER ALLOY 2. DIMENSIONS ARE IN INCHES [MILLIMETERS] 3. LEAD SPACING TOLERANCE IS NON-CUMULATIVE. 4. PAD BURR LENGTH SHALL BE 0.15mm MAXIMUM. PAD BURR HEIGHT SHALL BE 0.05mm MAXIMUM. 5. PACKAGE WARP SHALL NOT EXCEED 0.05mm. 6. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. 7. REFER TO HITTITE APPLICATION NOTE FOR SUGGESTED LAND PATTERN. Package Information Part Number HMC349LP4C HMC349LP4CE 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] [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 - 223 HMC349LP4C / 349LP4CE v02.1205 HIGH ISOLATION SPDT NON-REFLECTIVE SWITCH, DC - 4.0 GHz Pin Descriptions Pin Number 1 Function Vdd Description Supply Voltage. Interface Schematic 8 SWITCHES - SMT 2 Vctl Control input. See truth and control voltage tables. 3, 9, 12 RFC, RF1, RF2 These pins are DC coupled and matched to 50 Ohms. Blocking capacitors are required. No connection. These pins may be connected to RF ground. Performance will not be affected. 4, 6, 7, 8, 13, 14, 15, 16 N/C 5 EN Enable. See truth and control voltage tables. 10, 11 GND Package bottom must also be connected to PCB RF ground. 8 - 224 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 HMC349LP4C / 349LP4CE v02.1205 HIGH ISOLATION SPDT NON-REFLECTIVE SWITCH, DC - 4.0 GHz Evaluation PCB 8 SWITCHES - SMT List of Materials for Evaluation PCB 106975 [1] Item J1 - J3 J4 - J8 C1 - C3 U1 PCB [2] Description PC Mount SMA RF Connector DC Pin 100 pF Capacitor, 0402 Pkg. HMC349LP4C / HMC349LP4CE SPDT Switch 106965 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 8 - 225 |
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