HMC AUH320

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HMC-AUH320
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HMC-AUH320
v04.0412
Linear & Power Amplifiers - CHIP
GaAs HEMT MMIC MEDIUM POWER
AMPLIFIER, 71 - 86 GHz
Typical Applications
Features
This HMC-AUH320 is ideal for:
Gain: 16 dB @ 74 GHz
• Short Haul / High Capacity Links
P1dB: +15 dBm
• Wireless LAN Bridges
Supply Voltage: +4V
• Automotive Radar
50 Ohm Matched Input/Output
• Military & Space
Die Size: 2.20 x 0.87 x 0.1 mm
• E-Band Communication Systems
General Description
Functional Diagram
The HMC-AUH320 is a high dynamic range, four stage
GaAs HEMT MMIC Medium Power Amplifier which
operates between 71 and 86 GHz. The HMC-AUH320
provides 16 dB of gain at 74 GHz, and an output
power of +15 dBm at 1 dB compression from a +4V
supply voltage. All bond pads and the die backside
are Ti/Au metallized and the amplifier device is fully
passivated for reliable operation. The HMC-AUH320
GaAs HEMT MMIC Medium Power Amplifier is
compatible with conventional die attach methods,
as well as thermocompression and thermosonic
wire bonding, making it ideal for MCM and hybrid
microcircuit applications. All data shown herein is
measured with the chip in a 50 Ohm environment and
RF probes contacting the die pads.
Electrical Specifications, TA = +25° C, Vdd1=Vdd2 = 4V, Idd1+Idd2 = 130mA [2]
Parameter
Min.
Frequency Range
Gain
Input Return Loss
10
Typ.
Max.
Units
71 - 86
GHz
16
dB
4
dB
Output Return Loss
6
dB
Output power for 1dB Compression (P1dB)
15
dBm
Saturated Output Power (Psat)
16
dBm
Supply Current (Idd1+Idd2)
130
mA
[1] Unless otherwise indicated, all measurements are from probed die
[2] Adjust Vgg between -0.8V to +0.3V (typ -0.1V) to achieve Idd1 = 40mA, Idd 2 = 90mA or Iddtotal = 130 mA.
1
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
HMC-AUH320
v04.0412
GaAs HEMT MMIC MEDIUM POWER
AMPLIFIER, 71 - 86 GHz
22
20
18
POUT (dBm)
GAIN (dB)
24
16
12
14
P1dB
P3dB
Psat
10
8
6
70
72
74
76
78
80
82
84
86
88
70
74
FREQUENCY (GHz)
Input Return Loss vs. Frequency
82
86
90
Output Return Loss vs. Frequency
-2
OUTPUT RETURN LOSS (dB)
-2
INPUT RETURN LOSS (dB)
78
FREQUENCY (GHz)
-6
-10
-14
-18
-6
-10
-14
-18
70
72
74
76
78
80
82
FREQUENCY (GHz)
84
86
88
70
72
74
76
78
80
82
84
86
88
Linear & Power Amplifiers - CHIP
Fixtured Output Power vs. Frequency
Linear Gain vs. Frequency
FREQUENCY (GHz)
Note: Measured Performance Characteristics (Typical Performance at 25°C) Vdd1 = Vdd2 = 4V and Idd1 = 40mA, Idd2 = 90mA
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
2
HMC-AUH320
v04.0412
GaAs HEMT MMIC MEDIUM POWER
AMPLIFIER, 71 - 86 GHz
Linear & Power Amplifiers - CHIP
Absolute Maximum Ratings
Drain Bias Voltage
+4.5 Vdc
Gate Bias Voltage
-0.8 to +0.3 Vdc
Thermal Resistance
(Channel to die bottom)
92.1 °C/W
Channel Temperature
180 °C
Storage Temperature
-65 °C to +150 °C
Operating Temperature
-55 °C to +85 °C
Drain Bias Current (Idd1)
50mA
Drain Bias Current (Idd2)
100mA
Outline Drawing
Die Packaging Information [1]
Standard
GP-2 (Gel Pack)
Alternate
[2]
[1] Refer to the “Packaging Information” section for die
packaging dimensions.
[2] For alternate packaging information contact Hittite
Microwave Corporation.
3
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
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”
8. DIE THICKNESS = .004”
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
HMC-AUH320
v04.0412
GaAs HEMT MMIC MEDIUM POWER
AMPLIFIER, 71 - 86 GHz
Pad Descriptions
Function
Description
1
RFIN
This pad is DC coupled (for ESD)
and matched to 50 Ohms.
2, 3
Vdd1, Vdd2
Power Supply Voltage for the amplifier. See assembly for
required external components.
4
RFOUT
This pad is AC coupled
and matched to 50 Ohms.
5
Vgg
Gate control for amplifier. See Assembly Drawing for required
external components. Please follow “MMIC Amplifier Biasing
Procedure” application note.
Die Bottom
GND
Die bottom must be connected to RF/DC ground.
Interface Schematic
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
Linear & Power Amplifiers - CHIP
Pad Number
4
HMC-AUH320
v04.0412
GaAs HEMT MMIC MEDIUM POWER
AMPLIFIER, 71 - 86 GHz
Linear & Power 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.
5
For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
HMC-AUH320
v04.0412
GaAs HEMT MMIC MEDIUM POWER
AMPLIFIER, 71 - 86 GHz
Mounting & Bonding Techniques for Millimeterwave GaAs MMICs
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).
0.102mm (0.004”) Thick GaAs MMIC
Ribbon Bond
0.076mm
(0.003”)
RF Ground Plane
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).
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
Transients: Suppress instrument and bias supply transients while bias is
applied. Use shielded signal and bias cables to minimize inductive pickup.
0.127mm (0.005”) Thick Alumina
Thin Film Substrate
Figure 1.
0.102mm (0.004”) Thick GaAs MMIC
Ribbon Bond
0.076mm
(0.003”)
RF Ground Plane
0.150mm (0.005”) Thick
Moly Tab
0.254mm (0.010” Thick Alumina
Thin Film Substrate
Figure 2.
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 may have fragile air bridges and should not be touched with vacuum collet, tweezers, or fingers.
Linear & Power Amplifiers - CHIP
The die should be attached directly to the ground plane eutectically or with
conductive epoxy (see HMC general Handling, Mounting, Bonding Note).
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: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or [email protected]
6