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| HMC344LP3 / 344LP3E v05.0505 GaAs MMIC SP4T NON-REFLECTIVE SWITCH, DC - 8.0 GHz Typical Applications This switch is suitable for usage in DC - 8.0 GHz 50Ohm or 75-Ohm systems: * Broadband * Fiber Optics Features Broadband Performance: DC - 8.0 GHz High Isolation: 40 dB@ 6 GHz Low Insertion Loss: 1.8 dB@ 6 GHz Integrated 2:4 TTL Decoder LP3 SMT Package 8 SWITCHES - SMT * Switched Filter Banks * Wireless below 8 GHz Functional Diagram General Description The HMC344LP3 & HMC344LP3E are broadband non-reflective GaAs MESFET SP4T switches in low cost leadless surface mount packages. Covering DC to 8 GHz, this switch offers high isolation and low insertion loss and extends the frequency coverage of Hittite's SP4T switch product line. This switch also includes an on board binary decoder circuit which reduces the required logic control lines to two. The switch operates using a negative control voltage of 0/-5V, and requires a fixed bias of -5V. Electrical Specifications, TA = +25 C, With 0/-5V Control, 50 Ohm System Parameter Insertion Loss Frequency DC - 2.0 GHz DC - 6.0 GHz DC - 8.0 GHz DC - 2.0 GHz DC - 4.0 GHz DC - 6.0 GHz DC - 8.0 GHz DC - 2.0 GHz DC - 4.0 GHz DC - 6.0 GHz DC - 8.0 GHz DC - 8.0 GHz 0.5 - 8.0 GHz 0.5 - 8.0 GHz 43 36 34 31 12 9 8 5 7 17 37 Min. Typ. 1.6 1.8 2.1 48 41 40 36 15 12 11 8 10 21 40 35 150 Max. 2.0 2.2 2.5 Units dB dB dB dB dB dB dB dB dB dB dB dB dBm dBm ns ns Isolation Return Loss "On State" Return Loss Input Power for 1 dB Compression Input Third Order Intercept (Two-Tone Input Power = +7 dBm Each Tone) Switching Characteristics tRISE, tFALL (10/90% RF) tON, tOFF (50% CTL to 10/90% RF) "Off State" DC - 8.0 GHz 8 - 184 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 HMC344LP3 / 344LP3E v05.0505 GaAs MMIC SP4T NON-REFLECTIVE SWITCH, DC - 8.0 GHz Insertion Loss vs. Temperature 0 Isolation 0 -10 RF1 RF2 RF3 RF4 INSERTION LOSS (dB) -1 ISOLATION (dB) -20 -30 -40 -50 -60 -5 0 1 2 3 4 5 6 7 8 9 FREQUENCY (GHz) -70 0 1 2 3 4 5 -2 -3 +25 C +85 C -40 C 8 6 7 8 9 10 FREQUENCY (GHz) -4 Return Loss 0 RFC RF1,2,3,4 On RF1,2,3,4 Off 0.1 and 1 dB Input Compression Point 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 2 3 4 INPUT COMPRESSION POINT (dBm) -5 RETURN LOSS (dB) -10 -15 1dB Compression Point 0.1dB Compression Point -20 -25 0 1 2 3 4 5 6 7 8 9 FREQUENCY (GHz) 5 6 7 8 9 FREQUENCY (GHz) Input Third Order Intercept Point iNPUT THIRD ORDER INTERCEPT (dBm) 45 44 43 42 41 40 39 38 37 36 35 1 2 3 4 5 6 7 8 9 FREQUENCY (GHz) RF1 RF2 RF3 RF4 Bias Voltage & Current Vee Range = -5.0 Vdc 10% Vee (Vdc) -5.0 Iee (Typ.) (mA) 3.0 Iee (Max.) (mA) 6.0 Control Voltages State Low High Bias Condition -3V to 0 Vdc @ 60 uA Typical -5 to -4.2 Vdc @ 5 uA Typical * Isolation is recorded above insertion loss & measured at output of switch. 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 - 185 SWITCHES - SMT HMC344LP3 / 344LP3E v05.0505 GaAs MMIC SP4T NON-REFLECTIVE SWITCH, DC - 8.0 GHz Absolute Maximum Ratings Bias Voltage Range (Vee) Control Voltage Range (A & B) Channel Temperature Thermal Resistance (Insertion Loss Path) -7.0 Vdc Vee -0.5V to +1.0 Vdc 150 C 143 C/W 1,030 C/W -65 to +150 C -40 to +85 C +24 dBm Class 1A Truth Table Control Input A High Low High Low B High High Low Low Signal Path State RFCOM to: RF1 RF2 RF3 RF4 8 SWITCHES - SMT Thermal Resistance (Terminated Path) Storage Temperature Operating Temperature Maximum Input Power ESD Sensitivity (HBM) ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS Outline Drawing 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 PCB LAND PATTERN. Package Information Part Number HMC344LP3 HMC344LP3E 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] 344 XXXX 344 XXXX [2] [1] Max peak reflow temperature of 235 C [2] Max peak reflow temperature of 260 C [3] 4-Digit lot number XXXX 8 - 186 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 HMC344LP3 / 344LP3E v05.0505 GaAs MMIC SP4T NON-REFLECTIVE SWITCH, DC - 8.0 GHz Pin Descriptions Pin Number 1, 4, 9, 12, 15 Function RF4, RF3, RF2, RF1, RFC Description This pin is DC coupled and matched to 50 Ohm. Blocking capacitors are required if RF line potential is not equal to 0V. Interface Schematic 2, 3, 10, 11, 13 N/C This pin should be connected to PCB RF ground to maximize isolation. Package bottom has exposed metal paddle that must also be connected to PCB RF ground. 8 SWITCHES - SMT 8 - 187 5, 14, 16 GND 6 VEE Supply Voltage -5V 10% 7 CTLB See truth table and control voltage table. 8 CTLA See truth table and control voltage table. 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 HMC344LP3 / 344LP3E v05.0505 GaAs MMIC SP4T NON-REFLECTIVE SWITCH, DC - 8.0 GHz TTL Interface Circuit 8 SWITCHES - SMT 8 - 188 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 HMC344LP3 / 344LP3E v05.0505 GaAs MMIC SP4T NON-REFLECTIVE SWITCH, DC - 8.0 GHz Evaluation PCB 8 SWITCHES - SMT List of Materials for Evaluation PCB 105311 Item J1 - J7 J8 - J11 C1 - C7 C8 U1 PCB [2] Description PCB Mount SMA RF Connector DC Pin 100 pF Capacitor, 0402 Pkg. 10k pF Capacitor, 0603 Pkg. HMC344LP3 / HMC344LP3E SP4T Switch 104708 Evaluation PCB 1.29"x1.55" [1] [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 - 189 |
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