HMC626LP5 / 626LP5E v02.0907 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL VARIABLE GAIN AMPLIFIER, DC - 1 GHz Typical Applications Features The HMC626LP5(E) is ideal for: +8.5 dB to +40 dB Gain Control in 0.5 dB Steps • IF & RF Applications High Output IP3: +36 dBm • Cellular/3G Infrastructure ±0.25 dB Typical Gain Step Error • WiBro / WiMAX / 4G Single +5V Supply • Microwave Radio & VSAT 32 Lead 5x5mm SMT Package: 25mm2 • Test Equipment and Sensors Functional Diagram The HMC626LP5(E) is a digitally controlled variable gain amplifier which operates from DC to 1 GHz, and can be programmed to provide anywhere from 8.5 dB, to 40 dB of gain, in 0.5 dB steps. The HMC626LP5(E) delivers noise figure of 4 dB in its maximum gain state, with output IP3 of up to +36 dBm in any state. This single positive control line per bit digital attenuator incorporates off chip AC ground capacitors for near DC operation, making it suitable for a wide variety of RF and IF applications. The HMC626LP5(E) is housed in a RoHS compliant 5x5 mm QFN leadless package, and requires no external matching components. 14 VARIABLE GAIN AMPLIFIERS - SMT General Description Electrical Specifi cations, TA = +25° C, Vdd = Vs= +5V, Vctl= 0/ +5V Parameter Frequency Min. Typ. DC - 0.5 GHz 0.5 - 1.0 GHz 37 30 42.5 35.0 dB dB 31.5 dB Input Return Loss 20 dB Output Return Loss 15 dB Gain (Maximum Gain State) Gain Control Range Max. Units Attenuation Accuracy: (Referenced to Maximum Gain State) All Attenuation States 0.5 - 1.0 GHz ± (0.15 + 3% of Atten. Setting) Max. dB Output Power for 1 dB Compression DC - 1.0 GHz 20 dBm Output Third Order Intercept Point (Two-Tone Input Power= 0 dBm Each Tone) DC - 1.0 GHz 36 dBm Noise Figure DC - 1.0 GHz 4 dB tRISE, tFALL (10/90% RF) tON, tOFF (50% CTL to 10/90% RF) DC - 1.0 GHz 130 140 ns ns Supply Current DC - 1.0 GHz 176 mA Switching Characteristics 14 - 12 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 HMC626LP5 / 626LP5E v02.0907 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL VARIABLE GAIN AMPLIFIER, DC - 1 GHz Normalized Attenuation Gain vs. Frequency [1] (Only Major States are Shown) 0 50 NORMALIZED ATTENUATION (dB) [1] 45 40 30 [2] 25 20 15 +25 C +85 C -40 C 10 5 0 -10 -15 -20 -25 -30 -35 0 0.3 0.5 0.8 1 1.3 0 1.5 0.3 FREQUENCY (GHz) 0.5 0.8 Input Return Loss [1] Output Return Loss [1] (Only Major States are Shown) (Only Major States are Shown) 1.3 1.5 14 0 -5 -5 -10 -10 RETURN LOSS (dB) RETURN LOSS (dB) 0 -15 -20 -25 -30 -35 -15 -20 -25 -30 -35 -40 -40 0 0.3 0.5 0.8 1 1.3 1.5 0 0.3 FREQUENCY (GHz) 0.5 0.8 1 1.3 1.5 1.3 1.5 FREQUENCY (GHz) Input Return Loss [2] Output Return Loss [2] (Only Major States are Shown) (Only Major States are Shown) 0 0 -5 -5 -10 -10 RETURN LOSS (dB) RETURN LOSS (dB) 1 FREQUENCY (GHz) -15 -20 -25 -30 -15 -20 -25 VARIABLE GAIN AMPLIFIERS - SMT GAIN (dB) 35 -5 -30 -35 -35 -40 -40 0 0.3 0.5 0.8 1 1.3 1.5 0 FREQUENCY (GHz) 0.3 0.5 0.8 1 FREQUENCY (GHz) [1] Tested with broadband bias tee on output J2, C7, C8 = 10,000pF ; L1 = 680nH [2] Data taken on eval board as described in data sheet 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 14 - 13 HMC626LP5 / 626LP5E v02.0907 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL VARIABLE GAIN AMPLIFIER, DC - 1 GHz Bit Error vs. Frequency [2] Bit Error vs. Attenuation State [2] 2 2 1.5 1.5 1 1 BIT ERROR (dB) BIT ERROR (dB) (Only Major States are Shown) 0.5 0 -0.5 0 -0.5 -1 -1 -1.5 -1.5 -2 -2 0 0.3 0.5 0.8 1 1.3 1.5 0 4 8 FREQUENCY (GHz) 14 12 16 20 24 28 Step Error vs. Frequency [2] (Only Major States are Shown) (Only Major States are Shown) 60 1 0.8 31.5 dB 16 dB 0.6 STEP ERROR (dB) 40 8 dB 20 0 0.5 - 4 dB -20 0.4 0.2 0 -0.2 -0.4 -0.6 -0.8 -40 -1 0 0.3 0.5 0.8 1 1.3 1.5 0 FREQUENCY (GHz) 0.3 0.5 0.8 1 1.3 FREQUENCY (GHz) [1] Tested with broadband bias tee on output J2, C7, C8 = 10,000pF ; L1 = 680nH [2] Data taken on eval board as described in data sheet 14 - 14 32 ATTENUATION STATE (dB) Normal Relative Phase vs. Frequency [2] RELATIVE PHASE (deg) VARIABLE GAIN AMPLIFIERS - SMT 0.5 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 1.5 HMC626LP5 / 626LP5E v02.0907 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL VARIABLE GAIN AMPLIFIER, DC - 1 GHz Truth Table Vdd (V) Idd (Typ.) (mA) +4.5 4.7 +5.0 5.0 +5.5 5.3 Vs (V) Is (mA) +5.0 176 Control Voltage State Bias Condition Low 0 to +0.8 Vdc @ -5 uA Typ. High + 2.0 to + 5.0 Vdc @ 40 uA Typ. Control Voltage Input Gain Relative to Maximum Gain V6 V5 V4 V3 V2 V1 High High High High High High Reference 0 dB High High High High High Low -0.5 dB High High High High Low High -1 dB High High High Low High High -2 dB High High Low High High High -4 dB High Low High High High High -8 dB Low High High High High High -16 dB Low Low Low Low Low Low -31.5 dB Any combination of the above states will provide a reduction in gain approximately equal to the sum of the bits selected. Note: Vdd = +5V 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 14 VARIABLE GAIN AMPLIFIERS - SMT Bias Voltage & Current 14 - 15 HMC626LP5 / 626LP5E v02.0907 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL VARIABLE GAIN AMPLIFIER, DC - 1 GHz Absolute Maximum Ratings RF Input Power [1] 12.5 dBm (T = +85 °C) Bias Voltage (Vdd) +5.5 Vdc Collector Bias Voltage (Vcc) 5.5 Vdc Channel/Junction Temperature 150 °C Continuous Pdiss (T = 85 °C) (derate 7.7 mW/°C above 85 °C) [1] 0.593 °C/W Thermal Resistance 110 °C/W Storage Temperature -65 to +150 °C Operating Temperature -40 to +85 °C ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS [1] At max gain settling VARIABLE GAIN AMPLIFIERS - SMT 14 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 LAND PATTERN. Package Information Part Number Package Body Material Lead Finish MSL Rating HMC626LP5 Low Stress Injection Molded Plastic Sn/Pb Solder MSL1 HMC626LP5E RoHS-compliant Low Stress Injection Molded Plastic 100% matte Sn MSL1 Package Marking [3] [1] H626 XXXX [2] H626 XXXX [1] Max peak reflow temperature of 235 °C [2] Max peak reflow temperature of 260 °C [3] 4-Digit lot number XXXX 14 - 16 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 HMC626LP5 / 626LP5E v02.0907 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL VARIABLE GAIN AMPLIFIER, DC - 1 GHz Pin Descriptions Pin Number Function Description 1, 5, 9, 14, 16, 23, 24, 31 N/C These pins may be connected to RF/DC ground. Performance will not be affected. 2, 20 AMPIN1, AMPIN2 4, 22 AMPOUT1, AMPOUT2 RF output and DC bias (Vcc) for the output stage of the amplifier. 3, 7, 18, 21 GND These pins and package bottom must be connected to RF/DC ground. 6, 19 ATTIN, ATTOUT These pins are DC coupled and matched to 50 Ohms. Blocking capacitors are required. Select value based on lowest frequency of operation. 8, 10, 11, 12, 13, 15, 17 ACG1, ACG2, ACG3, ACG4, ACG5, ACG6, ACG7 External capacitors to ground is required. Select value for lowest frequency of operation. Place capacitor as close to pins as possible. 25 - 30 V1 - V6 See truth table, control voltage table and timing diagram. 32 Vdd Supply voltage Interface Schematic This pin is DC coupled. An off chip DC blocking capacitor is required. Amplifier bias provided via external bias tee as shown in application circuit. 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 VARIABLE GAIN AMPLIFIERS - SMT 14 14 - 17 HMC626LP5 / 626LP5E v02.0907 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL VARIABLE GAIN AMPLIFIER, DC - 1 GHz Application Circuit 14 - 18 Top View VARIABLE GAIN AMPLIFIERS - SMT 14 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 HMC626LP5 / 626LP5E v02.0907 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL VARIABLE GAIN AMPLIFIER, DC - 1 GHz Evaluation PCB List of Materials for Evaluation PCB 117355 [1] Item Description J1 - J2 PCB Mount SMA Connector J3 12 Pin DC Connector J4 - J9 DC Pin C1, C2, C9, C10 820 pF Capacitor, 0402 Pkg. C3, C4 100 pF Capacitor, 0402 Pkg. C5 - C8 330 pF Capacitor, 0402 Pkg. C11 - C13 1000 pF Capacitor, 0402 Pkg. C14, C15 2.2 μF Capacitor, CASEA Pkg. R1, R2 1.8 Ohm Resistor, 0603 Pkg. L1, L2 110 nH Inductor, 0603 Pkg. U1 HMC626LP5(E) Variable Gain Amplifier PCB [2] 117354 Evaluation PCB 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 and exposed paddle 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. VARIABLE GAIN AMPLIFIERS - SMT 14 [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 14 - 19