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| HMC306MS10 / 306MS10E v06.0206 0.5 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR, 0.7 - 3.8 GHz Designer's Kit Available Typical Applications Features RoHS-Compliant Product 0.5 dB LSB Steps to 15.5 dB Single Positive Control Per Bit 0.2 dB Typical Bit Error Miniature 15 mm2 Package: MSOP10 Included in the HMC-DK004 Designer's Kit 6 ATTENUATORS - SMT The HMC306MS10 / HMC306MS10E is ideal for: * Cellular; UMTS/3G Infrastructure * ISM, MMDS, WLAN, WiMAX * Microwave Radio & VSAT * Test Equipment and Sensors Functional Diagram General Description The HMC306MS10 & HMC306MS10E are general purpose broadband 5-bit positive control GaAs IC digital attenuators in 10 lead MSOP surface mount plastic packages. Covering 0.7 to 3.8 GHz, the insertion loss is typically less than 1.5 to 2.3 dB. These attenuators' bit values are 0.5 (LSB), 1, 2, 4 and 8 dB for a total attenuation of 15.5 dB. Attenuation accuracy is excellent at 0.2 dB typical with an IIP3 of up to +52 dBm. Five bit control voltage inputs, toggled between 0 and +3 to +5V, are used to select each attenuation state. A single Vdd bias of +3 to +5V applied through an external 5K Ohm resistor is required. Electrical Specifications, TA = +25 C, Vdd= +3V to +5V & VCTL= 0/Vdd (Unless Otherwise Stated) Parameter Frequency (GHz) 0.7 - 1.4 1.4 - 2.3 2.3 - 2.7 2.7 - 3.8 Min. Typical 1.3 1.5 1.8 2.3 15.5 0.7 - 1.4 1.4 - 2.3 2.3 - 2.7 2.7 - 3.8 0.7 - 1.4 1.4 - 2.3 1.4 - 2.3 2.3 - 3.8 Vdd = 5V Vdd = 3V Vdd = 5V Vdd = 3V 0.7 - 3.8 0.7 - 3.8 15 14 13 10 21 18 16 13 Max. 1.6 2.0 2.5 2.7 Units dB dB dB dB dB dB dB dB dB dB dB dB dB dBm dBm dBm dBm Insertion Loss Attenuation Range Return Loss (RF1 & RF2, All Atten. States) Attenuation Accuracy: (Referenced to Insertion Loss) All Attenuation States 0.5 - 7.5 dB States 8.0 - 15.5 dB States All Attenuation States Input Power for 0.1 dB Compression Input Third Order Intercept Point (Two-tone Input Power = 0 dBm Each Tone) Switching Characteristics tRISE, tFALL (10/90% RF) tON, tOFF (50% CTL to 10/90% RF) (0.30 + 5% of Atten. Setting) Max. (0.25 + 3% of Atten. Setting) Max. (0.15 + 3% of Atten. Setting) Max. (0.30 + 3% of Atten. Setting) Max. 25 23 52 48 0.7 - 3.8 560 600 ns ns 6 - 60 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 HMC306MS10 / 306MS10E v06.0206 0.5 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR, 0.7 - 3.8 GHz Return Loss RF1, RF2 Insertion Loss 0 -0.5 INSERTION LOSS (dB) RETURN LOSS (dB) -1 -1.5 -2 -2.5 -3 -3.5 -4 0.5 +25 C -40 C +85 C (Only Major States are Shown) 0 -5 -10 -15 -20 -25 -30 0.5 0.5 dB 1 dB 2 dB 4 dB 8 dB 14 dB 6 ATTENUATORS - SMT 6 - 61 1 1.5 2 2.5 3 3.5 4 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) FREQUENCY (GHz) Normalized Attenuation (Only Major States are Shown) 0 NORMALIZED ATTENUATION (dB) -2 -4 -6 -8 -10 -12 -14 -16 -18 0.5 0 0.5 0.5 dB 1 dB 2 dB 4 dB 8 dB 15.5 dB Absolute Bit Error vs. Attenuation State 1.5 1.2 BIT ERROR (dB) 0.9 GHz 1.9 GHz 2.4 GHz 3.5 GHz 0.9 0.6 0.3 1 1.5 2 2.5 3 3.5 4 2 3.5 5 6.5 8 9.5 11 12.5 14 15.5 FREQUENCY (GHz) ATTENUATION STATE (dB) Absolute Bit Error vs. Frequency (Only Major States are Shown) 1.5 Relative Phase vs. Frequency (Only Major States are Shown) 60 2 dB 4 dB 8 dB 15.5 dB RELATIVE PHASE (deg.) 1.2 BIT ERROR (dB) 4 dB 8 dB 15.5 dB 40 0.9 0.5, 1, 2 dB 20 0.6 0 0.3 -20 0.5, 1 dB 0 0.5 1 1.5 2 2.5 3 3.5 4 -40 0.5 1 1.5 2 2.5 3 3.5 4 FREQUENCY (GHz) 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 HMC306MS10 / 306MS10E v06.0206 0.5 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR, 0.7 - 3.8 GHz Truth Table Control & Bias Voltages V3 2 dB High High High Low High High Low V4 1 dB High High Low High High High Low V5 0.5 dB High Low High High High High Low Attenuation State RF1 - RF2 Reference I.L. 0.5 dB 1 dB 2 dB 4 dB 8 dB 15.5 dB Max. Atten. State Low High 0.00.20.2 6 ATTENUATORS - SMT Control Voltage Input V1 8 dB High High High High High Low Low V2 4 dB High High High High Low High Low Bias Condition 0 to +0.2V @ 20 A Max. Vdd 0.2V @ 20 A Max. Note: Vdd = +3V to 5V 0.2V Any combination of the above states will provide an attenuation approximately equal to the sum of the bits selected. Application Circuit Note: DC Blocking Capacitors C1 & C2 are required on RF1 & RF2. Choose C1 = C2 = 100 ~ 300 pF to allow lowest customer specific frequency to pass with minimal loss. R1= 5K Ohm is required to supply voltage to the circuit through either Pin 6 or Pin 10. 6 - 62 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 HMC306MS10 / 306MS10E v06.0206 0.5 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR, 0.7 - 3.8 GHz Absolute Maximum Ratings Control Voltage (V1 - V5) Bias Voltage (Vdd) Storage Temperature Operating Temperature RF Input Power (0.7 - 3.8 GHz) ESD Sensitivity (HBM) Vdd + 0.5 Vdc +8.0 Vdc -65 to +150 C 6 ATTENUATORS - 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 +28 dBm Class 1A ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS Outline Drawing Package Information Part Number HMC306MS10 HMC306MS10E 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 H306 XXXX H306 XXXX [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 6 - 63 HMC306MS10 / 306MS10E v06.0206 0.5 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR, 0.7 - 3.8 GHz Evaluation Circuit Board 6 ATTENUATORS - SMT * R2 - R6= 100 Ohm. These resistors are optional and may be used to enhance decoupling of the RF path from the control inputs. List of Materials for Evaluation PCB 103393 [1] Item J1 - J2 J3 - J8 R1 R2 - R6 C1 - C2 U1 PCB [2] Description PCB Mount SMA Connector DC Pin 5k Ohm Resistor, 0402 Pkg. 100 Ohm Resistor, 0402 Pkg. 0402 Chip Capacitor, Select Value for Lowerst Frequency HMC306MS10 / HMC306MS10E Digital Attenuators 103391 Evaluation PCB 1.5" x 1.5" The circuit board used in the final application should use RF circuit design techniques. Signal lines should have 50 ohm impedance while the package ground leads should be connected directly to the ground plane similar to that shown. A sufficient number of via holes should be used to connect the top and bottom ground planes. The evaluation circuit board shown is available from Hittite upon request. [1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Rogers 4350 6 - 64 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 HMC306MS10 / 306MS10E v06.0206 0.5 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR, 0.7 - 3.8 GHz Notes: 6 ATTENUATORS - SMT 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 6 - 65 |
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