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HMC-AUH317
v04.0511
Amplifiers - Linear & Power - Chip
3
GaAs HEMT MMIC MEDIUM POWER
AMPLIFIER, 81 - 86 GHz
Typical Applications
Features
This HMC-AUH317 is ideal for:
Gain: 22 dB
• Short Haul / High Capacity Links
P1dB: +17.5 dBm
• Wireless LAN Bridges
Supply Voltage: +4V
• Military & Space
50 Ohm Matched Input/Output
• E-Band Communication Systems
Die Size: 2.65 x 1.6 x 0.05 mm
Functional Diagram
General Description
The HMC-AUH317 is a high dynamic range, three
stage GaAs HEMT MMIC Medium Power Amplifier
which operates between 81 and 86 GHz. The HMCAUH317 provides 22 dB of gain, and an output power
of +17.5 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-AUH317 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 contacted with
RF probes.
Electrical Specifications, TA = +25° C, Vdd1=Vdd2 = 4V, Idd1 = Idd2 = 80 mA [2]
Parameter
Min.
Frequency Range
Gain
19
Typ.
Max.
Units
81 - 86
GHz
22
dB
Input Return Loss
9
dB
Output Return Loss
5
dB
Output power for 1dB Compression (P1dB)
17.5
dBm
Saturated Output Power (Psat)
19.5
dBm
Supply Current (Idd1+Idd2)
160
mA
[1] Unless otherwise indicated, all measurements are from probed die.
[2] Adjust Vgg1, Vgg2 independently between -0.8V to +0.3V (typically -0.1V) to achieve drain currents of Idd1 = 80 mA and Idd2 = 80 mA.
Products and product information are subject to change without notice.
3-1
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-AUH317
v04.0511
GaAs HEMT MMIC MEDIUM POWER
AMPLIFIER, 81 - 86 GHz
Fixtured Output Power vs. Frequency
Linear Gain vs. Frequency
24
GAIN (dB)
22
20
18
16
14
20
3
19
18
17
PSat
P1dB
16
15
80
82
84
86
88
90
92
80
82
FREQUENCY (GHz)
86
88
90
92
FREQUENCY (GHz)
Input Return Loss vs. Frequency
Output Return Loss vs. Frequency
0
OUTPUT RETURN LOSS (dB)
0
INPUT RETURN LOSS (dB)
84
-5
-10
-15
-20
-5
-10
-15
-20
80
82
84
86
88
FREQUENCY (GHz)
90
92
80
82
84
86
88
90
92
FREQUENCY (GHz)
Amplifiers - Linear & Power - Chip
INPUT RETURN LOSS (dB)
21
Note: Measured Performance Characteristics (Typical Performance at 25°C) Vdd1 = Vdd2 = 4V, Idd1 = 80mA, Idd2 = 80mA
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]
3-2
HMC-AUH317
v04.0511
Absolute Maximum Ratings
Amplifiers - Linear & Power - Chip
3
Reliability Information
Nominal 4.0V Supply to GND
0.0V to +4.5V
Gate Bias Voltage
-0.8V to +0.3V
RF Input Power (Vdd = +4.0V)
+3 dBm
Storage Temperature
Max Peak Reflow Temperature
-65 to +150 °C
260 °C
Junction Temperature to Maintain
1 Million Hour MTTF
180 °C
Nominal Junction Temperature (T = 85 °C)
156.1 °C
Thermal Resistance (Junction to Die Bottom)
111.0 °C/W
Operating Temperature
-55 to +85 °C
Drain Bias Current (Idd1)
100 mA
Drain Bias Current (Idd2)
100 mA
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Outline Drawing
Die Packaging Information [1]
Standard
Alternate
GP-1 (Gel Pack)
[2]
[1] Refer to the “Packaging Information” section for die
packaging dimensions.
[2] For alternate packaging information contact Hittite
Microwave Corporation.
3-3
GaAs HEMT MMIC MEDIUM POWER
AMPLIFIER, 81 - 86 GHz
NOTES:
1. ALL DIMENSIONS ARE IN INCHES [MM].
2. BACKSIDE METALLIZATION: GOLD.
3. BACKSIDE METAL IS GROUND.
4. BOND PAD METALLIZATION: GOLD.
5. CONNECTION NOT REQUIRED FOR UNLABELED BOND PADS.
6. OVERALL DIE SIZE ±.002”
7. DIE THICKNESS IS 0.002” [0.050 mm]
8 TYPICAL BOND PAD IS 0.004” [0.100 mm] SQUARE UNLESS NOTED
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-AUH317
v04.0511
GaAs HEMT MMIC MEDIUM POWER
AMPLIFIER, 81 - 86 GHz
Pad Descriptions
Function
Description
1
RFIN
This pad is AC coupled
and matched to 50 Ohms.
2, 3
Vgg1, Vgg2
Gate control for amplifier. Please follow “MMIC Amplifier
Biasing Procedure” application note. See assembly for
required external components.
4
RFOUT
This pad is AC coupled
and matched to 50 Ohms.
5, 6
Vdd1, Vdd2
Power Supply Voltage for the amplifier. See assembly for
required external components.
Die Bottom
GND
Die bottom must be connected to RF/DC ground.
Interface Schematic
Application Circuit
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]
3
Amplifiers - Linear & Power - Chip
Pad Number
3-4
HMC-AUH317
v04.0511
GaAs HEMT MMIC MEDIUM POWER
AMPLIFIER, 81 - 86 GHz
Assembly Diagram
Amplifiers - Linear & Power - Chip
3
Note 1: Bypass caps should be 100 pF (approximately) single-layer placed no farther than 30 mils from the amplifier.
Note 2: Best performance is obtained by minimizing the length of the ribbon, 1.5 by 0.5 mil, on the input and output.
3-5
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-AUH317
v04.0511
GaAs HEMT MMIC MEDIUM POWER
AMPLIFIER, 81 - 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).
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).
0.05mm (0.002”) Thick GaAs MMIC
Ribbon Bond
0.076mm
(0.003”)
RF Ground Plane
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.
0.127mm (0.005”) Thick Alumina
Thin Film Substrate
Figure 1.
Cleanliness: Handle the chips in a clean environment. DO NOT attempt to clean the chip using liquid cleaning
systems.
Static Sensitivity: Follow ESD precautions to protect against ESD strikes.
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 may have 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: 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]
3
Amplifiers - Linear & Power - Chip
The die should be attached directly to the ground plane eutectically or with
conductive epoxy (see HMC general Handling, Mounting, Bonding Note).
3-6
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