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| HMC284MS8G / 284MS8GE v06.0607 SPDT NON-REFLECTIVE SWITCH, DC - 3.5 GHz Typical Applications The HMC284MS8G / HMC284MS8GE is ideal for: * Cellular/PCS Base Stations * 2.4 GHz ISM * 3.5 GHz Wireless Local Loop Features High Isolation: >45 dB Positive control: 0/+5V Non-Reflective Design Ultra Small Pakcage: MSOP8G Indluded in the HMC-DK005 Designers' Kit 9 SWITCHES - SMT Functional Diagram General Description The HMC284MS8G & HMC284MS8GE are low-cost SPDT switches in 8-lead grounded base MSOP packages. The design has been optimized to provide high isolation with minimal insertion loss for medium and low power applications. On-chip circuitry allows positive voltage control operation at very low DC currents with control inputs compatible with CMOS and most TTL logic families. In the "OFF" state, RF1 and RF2 are non-reflective. See reflective high isolation SPDT version, HMC194MS8. Electrical Specifications, TA = +25 C, Vctl = 0/+5 Vdc, 50 Ohm System Parameter Insertion Loss RF1 & RF2 RF1 / RF2 RF1 / RF2 RF1 & RF2 Frequency DC - 2.0 GHz DC - 3.0 GHz DC - 3.5 GHz DC - 2.0 GHz DC - 2.5 GHz DC - 3.0 GHz DC - 3.5 GHz DC - 2.0 GHz DC - 2.5 GHz DC - 3.5 GHz 0.5 - 3.5 GHz 0.5 - 1.0 GHz 0.5 - 3.5 GHz 0.5 - 3.5 GHz DC - 3.5 GHz tRISE, tFALL (10/90% RF) tON, tOFF (50% CTL to 10/90% RF) 40 60 ns ns 41 38/41 34/36 30 21 13 10 10 20 18 43 Min. Typ. 0.5 0.6 0.7 45 41/45 37/39 33 25 17 12 13 25 24 48 Max. 0.8 0.9 1.1 Units dB dB dB dB dB dB dB dB dB dB dB dBm dBm dBm Isolation Return Loss (On State) Return Loss (Off State) Input Power for 1 dB Compression Input Third Order Intercept (Two-Tone Input Powew = 0 dBm Each Tone) Switching Speed 9 - 160 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 HMC284MS8G / 284MS8GE v06.0607 SPDT NON-REFLECTIVE SWITCH, DC - 3.5 GHz Insertion Loss 0 -0.5 Isolation 0 -10 ISOLATION (dB) -20 -30 -40 -50 -60 RF 1 RF 2 INSERTION LOSS (dB) -1 -1.5 -2 -2.5 -3 0 0.5 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) +25 C -40 C +85 C 0 0.5 1 1.5 2 2.5 3 3.5 4 9 SWITCHES - SMT FREQUENCY (GHz) Return Loss 0 -5 RETURN LOSS (dB) -10 -15 -20 -25 -30 -35 -40 0 0.5 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) S11 (ON) S22 (ON) S22 (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 9 - 161 HMC284MS8G / 284MS8GE v06.0607 SPDT NON-REFLECTIVE SWITCH, DC - 3.5 GHz Compression vs Frequency Carrier at 900 MHz CTL Input (Vdc) +5 Input Power for 0.1 dB Compression (dBm) 23 Input Power for 1.0 dB Compression (dBm) 25 Carrier at 1900 MHz Input Power for 0.1 dB Compression (dBm) 22 Input Power for 1.0 dB Compression (dBm) 24 Caution: Do not operate continuously at RF power input greater than 1 dB compression. (Vctl = 0/+5 Vdc). 9 SWITCHES - SMT Distortion vs Frequency Control Input (Vdc) +5 Third Order Intercept (dBm) 0 dBm Each Tone 900 MHz 48 1900 MHz 50 Truth Table *Control Input Tolerances are +/-0.2 Vdc Control Input* A (Vdc) 0 +5 B (Vdc) +5 0 Control Current Ia (uA) -25 25 Ib (uA) 25 -25 Signal Path State RFC to RF1 ON OFF RFC to RF2 OFF ON DC blocks are required at ports RFC, RF1, RF2. 9 - 162 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 HMC284MS8G / 284MS8GE v06.0607 SPDT NON-REFLECTIVE SWITCH, DC - 3.5 GHz Absolute Maximum Ratings RF Input Power (Vctl = 0/+5V) Control Voltage Range Hot Switch Power Level (Vctl = 0/+5V) Channel Temperature Thermal Resistance (Insertion Loss Path) Thermal Resistance (Terminated Path) Storage Temperature Operating Temperature ESD Sensitivity (HBM) +26 dBm -0.2 to +7.5 Vdc +18 dBm 150 C 140 C/W 190 C/W -65 to +150 C -40 to +85 C Class 1A ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS 9 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 AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. Outline Drawing Package Information Part Number HMC284MS8G HMC284MS8GE 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] H284 XXXX H284 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 9 - 163 HMC284MS8G / 284MS8GE v06.0607 SPDT NON-REFLECTIVE SWITCH, DC - 3.5 GHz Typical Application Circuit 9 SWITCHES - SMT Notes: 1. Set A/B control to 0/+5V, Vdd = +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 = +5 Volts 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. 4. Highest RF signal power capability is acheived wiht Vdd = +7V and A/B set to 0/+7V. 5. Back side paddle must be connected to RF ground. 6. A grounded coplanar waveguide PCB layout technique is recommended to achieve high isolation. The component side ground plane between RFC/grounded paddle and RF1/RF2 should be continuous, see below. There should be a continuous ground plane under component side layout. 9 - 164 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 HMC284MS8G / 284MS8GE v06.0607 SPDT NON-REFLECTIVE SWITCH, DC - 3.5 GHz Evaluation PCB 9 SWITCHES - SMT List of Materials for Evaluation PCB 105143 Item J1 - J3 J4 - J6 C1 - C3 R1, R2 U1 PCB [2] Description PCB Mount SMA RF Connector DC Pin 100 pF capacitor, 0402 Pkg. 100 Ohm resistor, 0402 Pkg. HMC284MS8 / HMC284MS8GE SPDT Switch 107821 Evaluation PCB [1] 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 package bottom 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. [1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Rogers 4350 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 9 - 165 |
Price & Availability of HMC284MS8G07
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