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| HMC-ALH216 v03.0209 GaAs HEMT MMIC LOW NOISE AMPLIFIER, 14 - 27 GHz 1 LOW NOISE AMPLIFIERS - CHIP Typical Applications This HMC-ALH216 is ideal for: * Point-to-Point Radios * Point-to-Multi-Point Radios * Military & Space * Test Instrumentation Features Noise Figure: 2.5 dB @ 20 GHz Gain: 18 dB P1dB Output Power: +14 dBm Supply Voltage: +4V @ 90 mA Die Size: 2.25 x 1.58 x 0.1 mm Functional Diagram General Description The HMC-ALH216 is a GaAs MMIC HEMT Wideband Low Noise Amplifier die which operates between 14 and 27 GHz. The amplifier provides 18 dB of gain, 2.5 dB noise figure and +14 dBm of output power at 1 dB gain compression while requiring only 90 mA from a +4V supply voltage. The HMC-ALH216 amplifier is ideal for integration into Multi-Chip-Modules (MCMs) due to its small size. Electrical Specifi cations*, TA = +25 C, Vdd= +4V Parameter Frequency Range Gain Gain Variation over Temperature Noise Figure Input Return Loss Output Return Loss Supply Current (Idd) (Vdd = 4V, Vgg = -0.5 Typ.) *Unless otherwise indicated, all measurements are from probed die 14 Min. Typ. 14 - 27 18 0.02 2.7 15 15 90 4.5 Max. Units GHz dB dB / C dB dB dB mA 1 - 126 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 HMC-ALH216 v03.0209 GaAs HEMT MMIC LOW NOISE AMPLIFIER, 14 - 27 GHz Noise Figure vs. Frequency 2.8 Linear Gain vs. Frequency 20 19.5 1 LOW NOISE AMPLIFIERS - CHIP 1 - 127 GAIN (dB) 18.5 18 NOISE FIGURE (dB) 19 2.6 2.4 17.5 17 16.5 16 15 17 19 21 23 25 27 FREQUENCY (GHz) 2.2 2 1.8 15 17 19 21 23 25 27 FREQUENCY (GHz) Input Return Loss vs. Frequency 0 -5 RETURN LOSS (dB) -10 -15 -20 -25 -30 15 17 19 21 23 25 27 FREQUENCY (GHz) Output Return Loss vs. Frequency 0 -5 RETURN LOSS (dB) -10 -15 -20 -25 -30 15 17 19 21 23 25 27 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 HMC-ALH216 v03.0209 GaAs HEMT MMIC LOW NOISE AMPLIFIER, 14 - 27 GHz 1 LOW NOISE AMPLIFIERS - CHIP Absolute Maximum Ratings Drain Bias Voltage Gate Bias Voltage RF Input Power Channel Temperature Continuous Pdiss (T=85C) (derate 14.9 mW/C above 85C) Thermal Resistance (Channel to die bottom) Storage Temperature Operating Temperature +5.5 Vdc -1 to +0.3 Vdc 6 dBm 180 C 1.4 W 67 C/W -65 to +150 C -55 to +85 C ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS Outline Drawing Die Packaging Information [1] Standard GP-1 (Gel Pack) Alternate [2] NOTES: 1. ALL DIMENSIONS ARE IN INCHES [MM]. 2. TYPICAL BOND PAD IS .004" SQUARE. 3. BACKSIDE METALLIZATION: GOLD. 4. BACKSIDE METAL IS GROUND. 5. BOND PAD METALLIZATION: GOLD. 6. CONNECTION NOT REQUIRED FOR UNLABELED BOND PADS. 7. OVERALL DIE SIZE .002" [1] Refer to the "Packaging Information" section for die packaging dimensions. [2] For alternate packaging information contact Hittite Microwave Corporation. 1 - 128 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 HMC-ALH216 v03.0209 GaAs HEMT MMIC LOW NOISE AMPLIFIER, 14 - 27 GHz Pad Descriptions Pad Number 1 Function RFIN Description This pad is AC coupled and matched to 50 Ohms. Power Supply Voltage for the amplifier. See assembly for required external components. Interface Schematic 1 Vdd 2, 6 3, 5 Vgg Gate control for amplifier. Please follow "MMIC Amplifier Biasing Procedure" application note. See assembly for required external components. This pad is AC coupled and matched to 50 Ohms. Die bottom must be connected to RF/DC ground. 4 RFOUT Die bottom GND 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 - 129 LOW NOISE AMPLIFIERS - CHIP HMC-ALH216 v03.0209 GaAs HEMT MMIC LOW NOISE AMPLIFIER, 14 - 27 GHz 1 LOW NOISE AMPLIFIERS - CHIP Assembly Diagram Note 1: Bypass caps should be 100 pF (approximately) ceramic (single-layer) placed no farther than 30 mils from the amplifier Note 2: Best performance obtained from use of <10 mil (long) by 3 by 0.5mil ribbons on input and output Note 3: Part can be biased from either side. 1 - 130 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 HMC-ALH216 v03.0209 GaAs HEMT MMIC LOW NOISE AMPLIFIER, 14 - 27 GHz Mounting & Bonding Techniques for Millimeterwave GaAs MMICs The die should be attached directly to the ground plane eutectically or with conductive epoxy (see HMC general Handling, Mounting, Bonding Note). 50 Ohm Microstrip transmission lines on 0.127mm (5 mil) thick alumina thin film substrates are recommended for bringing RF to and from the chip (Figure 1). If 0.254mm (10 mil) thick alumina thin film substrates must be used, the die should be raised 0.150mm (6 mils) so that the surface of the die is coplanar with the surface of the substrate. One way to accomplish this is to attach the 0.102mm (4 mil) thick die to a 0.150mm (6 mil) thick molybdenum heat spreader (moly-tab) which is then attached to the ground plane (Figure 2). Microstrip substrates should be placed as close to the die as possible in order to minimize bond wire length. Typical die-to-substrate spacing is 0.076mm to 0.152 mm (3 to 6 mils). 0.102mm (0.004") Thick GaAs MMIC Wire Bond 0.076mm (0.003") 1 LOW NOISE AMPLIFIERS - CHIP 1 - 131 RF Ground Plane 0.127mm (0.005") Thick Alumina Thin Film Substrate Figure 1. Handling Precautions Follow these precautions to avoid permanent damage. Storage: All bare die are placed in either Waffle or Gel based ESD protective containers, and then sealed in an ESD protective bag for shipment. Once the sealed ESD protective bag has been opened, all die should be stored in a dry nitrogen environment. Cleanliness: Handle the chips in a clean environment. DO NOT attempt to clean the chip using liquid cleaning systems. Static Sensitivity: strikes. Follow ESD precautions to protect against ESD 0.150mm (0.005") Thick Moly Tab 0.254mm (0.010") Thick Alumina Thin Film Substrate Figure 2. 0.102mm (0.004") Thick GaAs MMIC Wire Bond 0.076mm (0.003") RF Ground Plane Transients: Suppress instrument and bias supply transients while bias is applied. Use shielded signal and bias cables to minimize inductive pick-up. General Handling: Handle the chip along the edges with a vacuum collet or with a sharp pair of bent tweezers. The surface of the chip has fragile air bridges and should not be touched with vacuum collet, tweezers, or fingers. Mounting The chip is back-metallized and can be die mounted with AuSn eutectic preforms or with electrically conductive epoxy. The mounting surface should be clean and flat. Eutectic Die Attach: A 80/20 gold tin preform is recommended with a work surface temperature of 255 C and a tool temperature of 265 C. When hot 90/10 nitrogen/hydrogen gas is applied, tool tip temperature should be 290 C. DO NOT expose the chip to a temperature greater than 320 C for more than 20 seconds. No more than 3 seconds of scrubbing should be required for attachment. Epoxy Die Attach: Apply a minimum amount of epoxy to the mounting surface so that a thin epoxy fillet is observed around the perimeter of the chip once it is placed into position. Cure epoxy per the manufacturer's schedule. Wire Bonding RF bonds made with 0.003" x 0.0005" ribbon are recommended. These bonds should be thermosonically bonded with a force of 40-60 grams. DC bonds of 0.001" (0.025 mm) diameter, thermosonically bonded, are recommended. Ball bonds should be made with a force of 40-50 grams and wedge bonds at 18-22 grams. All bonds should be made with a nominal stage temperature of 150 C. A minimum amount of ultrasonic energy should be applied to achieve reliable bonds. All bonds should be as short as possible, less than 12 mils (0.31 mm). 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 |
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