HMC1086

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HMC1086
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HMC1086
v04.0714
AMPLIFIERS - LINEAR & POWER - CHIP
25 WATT GaN MMIC POWER AMPLIFIER,
2 - 6 GHz
Typical Applications
Features
The HMC1086 is ideal for:
High Psat: +44.5 dBm
• Test Instrumentation
Power Gain at Psat: 14 dB
• General Communications
High Output IP3: +48 dBm
• Radar
Small Signal Gain: 22 dB
Supply Voltage: +28 V @ 1.1 A
50 Ohm Matched Input/Output
Die Size: 3.4 x 4 x 0.1 mm2
Functional Diagram
General Description
The HMC1086 is a 25W Gallium Nitride (GaN) Power
Amplifier MMIC which operates between 2 and 6 GHz.
The amplifier typically provides 22 dB of small signal
gain, +44.5 dBm of saturated output power, and
+48 dBm output IP3 at +33 dBm output power per
tone. The HMC1086 draws 1100 mA quiescent current
from a +28V DC supply. The RF I/Os are DC blocked
and matched to 50 Ohms for ease of integration into
Multi-Chip-Modules (MCM). All electrical performance
data was acquired with die eutectically attached to
1.02 mm (40 mil) thick CuMo carrier with multiple
1.0 mil diameter ball bonds connecting the die to
50 Ohm transmission lines on alumina.
Electrical Specifications, TA = +25 °C, Vdd = VD1 = VD2 = +28V, Idd = 1100 mA [1]
Parameter
Min.
Frequency Range
Small Signal Gain
Typ.
Max.
Min.
2 - 3.5
21
22
Typ.
Max.
Min.
3.5 - 5
22
23
21
Typ.
Max.
Units
5-6
GHz
22
dB
Gain Flatness
±0.5
±0.5
±0.5
dB
Gain Variation Over Temperature
dB/ °C
0.012
0.016
0.024
Input Return Loss
10
15
15
dB
Output Return Loss
8
8
8
dB
Power Gain (Pin @ 25 dBm)
18
18
18
dB
44.5
45
44.5
dBm
Output Third Order Intercept (IP3) [2]
48
48
48
dBm
Power Added Efficiency
42
37
34
%
1100
1100
1100
mA
Saturated Output Power (Psat)
Quiescent Supply Current
(Idd @ Vdd = +28V)
[1] Assumes eutectic attach of die to a 40 mil CuMo carrier, and 25 °C is maintained at the back of the carrier.
[2] Measurement taken at Pout / tone = +33 dBm.
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]
HMC1086
v04.0714
25 WATT GaN MMIC POWER AMPLIFIER,
2 - 6 GHz
Gain and Return Loss
Gain vs. Vdd
30
20
25
GAIN (dB)
RESPONSE (dB)
10
0
-10
-20
20
15
-30
-40
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
10
1.5
6.5
2
2.5
3
FREQUENCY (GHz)
S21
S11
Vdd= 24V
S22
Input Return Loss
4
0
-5
-2
5
5.5
6
6.5
Vdd= 28V
Vdd= 32V
-4
RETURN LOSS (dB)
-15
-20
-25
-30
-6
-8
-10
-12
-14
-16
-35
-18
-40
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
-20
1.5
6.5
2
2.5
3
3.5
4
4.5
5
5.5
6
6.5
FREQUENCY (GHz)
FREQUENCY (GHz)
S11
S22
Pout vs. Frequency
Power Gain vs. Frequency
30
50
25
POWER GAIN (dB)
45
POUT (dBm)
4.5
Output Return Loss
0
-10
RETURN LOSS (dB)
3.5
FREQUENCY (GHz)
AMPLIFIERS - LINEAR & POWER - CHIP
30
40
35
30
20
15
10
5
0
25
2
3
4
5
6
P1dB
25dBm Input Power
2
3
4
5
6
FREQUENCY (GHz)
FREQUENCY (GHz)
Psat
25dBm Input Power
Psat
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
HMC1086
v04.0714
25 WATT GaN MMIC POWER AMPLIFIER,
2 - 6 GHz
Power Added Efficiency vs. Pin
Pout vs. Pin
50
50
45
40
POUT (dBm)
P.A.E. (%)
35
30
25
20
10
35
25
5
0
20
6
9
12
15
18
21
24
27
30
33
6
9
12
15
PIN (dBm)
2 GHz
4 GHz
21
2 GHz
6 GHz
Pout vs. Temperature at Pin= 25dBm
24
27
30
33
45
45
POUT (dBm)
50
40
4 GHz
6 GHz
Pout vs. Vdd at Pin= 25dBm
50
35
40
35
30
30
2
3
4
5
2
6
3
+25C
4
5
6
FREQUENCY (GHz)
FREQUENCY (GHz)
+85C
Vdd= 24V
-40C
Vdd= 28V
Psat vs. Vdd
50
50
45
45
PSAT (dBm)
PSAT (dBm)
18
PIN (dBm)
Psat vs. Temperature
40
35
40
35
30
30
2
3
4
5
6
FREQUENCY (GHz)
+25C
3
40
30
15
POUT (dBm)
AMPLIFIERS - LINEAR & POWER - CHIP
45
+85C
2
3
4
5
6
FREQUENCY (GHz)
-40C
Vdd= 24V
Vdd= 28V
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]
HMC1086
v04.0714
25 WATT GaN MMIC POWER AMPLIFIER,
2 - 6 GHz
60
3.5
55
3
50
2.5
45
2
1.5
40
35
1
30
0.5
25
0
20
6
9
12
15
18
21
24
27
30
33
3
6
9
12
PIN (dBm)
2 GHz
4 GHz
6 GHz
2 GHz
IM3 vs. Pin/Tone
21
24
27
4 GHz
6 GHz
0
REVERSE ISOLATION (dB)
50
40
IM3 (dBc)
18
Reverse Isolation
60
30
20
10
0
3
6
9
12
15
18
21
24
27
-20
-40
-60
-80
-100
1.5
2
2.5
3
PIN/TONE (dBm)
2 GHz
3.5
4
4.5
5
5.5
6
6.5
FREQUENCY (GHz)
4 GHz
6 GHz
S12
Power Dissipation vs. Pin
Second Harmonic vs. Pin
70
0
SECOND HARMONIC (dB)
60
50
PDISS (W)
15
PIN/TONE (dBm)
AMPLIFIERS - LINEAR & POWER - CHIP
OIP3 vs Pin/Tone
4
IP3 (dBm)
IDS (mA)
Drain Current vs. Pin
40
30
20
-20
-40
-60
-80
10
0
-100
6
9
12
15
18
21
24
27
30
33
5
10
15
PIN (dBm)
2 GHz
4 GHz
20
25
30
PIN (dBm)
6 GHz
2 GHz
4 GHz
6 GHz
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]
4
HMC1086
v04.0714
25 WATT GaN MMIC POWER AMPLIFIER,
2 - 6 GHz
AMPLIFIERS - LINEAR & POWER - CHIP
Absolute Maximum Ratings[1]
5
Drain Bias Voltage (Vdd)
+32V
Gate Bias Voltage (Vgg)
-8 V to 0V
Maximum Forward Gate Current
11 mA
Maximum RF Input Power (RFIN)
33 dBm
Maximum VSWR[2]
6:1
Maximum Junction Temperature (Tj)
225 °C
Maximum Pdiss (T = 85 °C)
(Derate 455 mW/°C above 85 °C)
63.6W
Thermal Resistance (RTH)[3]
2.2°C/W
Operating Temperature
-40 °C to +85°C
Storage Temperature
-55 °C to 150 °C
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
[1] Operation outside parameter ranges above can cause permanent damage to the device. These are maximum stress ratings
only. Continuous operation of the device at these conditions is not implied.
[2] Assumes 0.5 mil AuSn die attach to a 40 mil CuMo Carrier with 85°C at the back of the carrier.
[3] Restricted by maximum power dissipation
Die Packaging Information [1]
Standard
Alternate
GP-1 (Gel Pack)
[2]
[1] Refer to the “Packaging Information” section for die
packaging dimensions.
[2] F
or alternate packaging information contact Hittite
Microwave Corporation.
NOTES:
1. ALL DIMENSIONS ARE IN INCHES [MM]
2. DIE THICKNESS IS .004”
3. TYPICAL BOND PAD IS 0.0026” [0.066] SQUARE
4. BACKSIDE METALLIZATION: GOLD
5. BOND PAD METALLIZATION: GOLD
6. BACKSIDE METAL IS GROUND.
7. CONNECTION NOT REQUIRED FOR UNLABELED BOND PADS.
8. Overall die size ± .002
Outline Drawing
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]
HMC1086
v04.0714
25 WATT GaN MMIC POWER AMPLIFIER,
2 - 6 GHz
Pad Descriptions
Function
Description
1
RFIN
This Pad is RF coupled and is matched to 50 Ohms.
The pad has zero Ohms DC resistance.
2, 10
VG1
Gate control voltage for first stage.
3, 9
VG2
Gate control voltage for second stage.
4,8
VD1
Drain bias for first stage.
5, 7
VD2
Drain bias for second stage.
6
RFOUT
This Pad is RF coupled and is matched to 50 Ohms.
Die Bottom
GND
Die Bottom must be connected to RF/DC ground.
Pin 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]
AMPLIFIERS - LINEAR & POWER - CHIP
Pad Number
6
HMC1086
v04.0714
25 WATT GaN MMIC POWER AMPLIFIER,
2 - 6 GHz
AMPLIFIERS - LINEAR & POWER - CHIP
Application Circuit
7
Assembly Diagram
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]
HMC1086
v04.0714
25 WATT GaN MMIC POWER AMPLIFIER,
2 - 6 GHz
The die should be eutectically attached directly to the ground plane (see
HMC general Handling, Mounting, Bonding Note).
50 Ohm Microstrip transmission lines on 0.127 mm (5 mil) thick alumina
thin film substrates are recommended for bringing RF to and from the
chip (Figure 1). If 0.254 mm (10 mil) thick alumina thin film substrates
must be used, the die should be raised 0.150 mm (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 0.102 mm (4 mil) thick die to a copper
tungsten or CuMo heat spreader which is then attached to the thermally
conductive ground plane (Figure 2).
0.102mm (0.004”) Thick GaN MMIC
Wire Bond
0.076mm
(0.003”)
RF Ground Plane
0.127mm (0.005”) Thick Alumina
Thin Film Substrate
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
0.076 mm to 0.152 mm (3 to 6 mils).
Handling Precautions
Figure 1.
0.102mm (0.004”) Thick GaN MMIC
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: 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.
Wire Bond
0.076mm
(0.003”)
RF Ground Plane
0.150mm (0.005”) Thick
Copper Tungsten
0.254mm (0.010”) Thick Alumina
Thin Film Substrate
Figure 2.
Die placement: A heated vacuum collect (180 °C) is the preferred method of pick up. Ensure that the area of
vacuum contact on the die is minimized to prevent cracking under differential pressure. All air bridges (if applicable)
must be avoided during placement. Minimize impact forces applied to the die during auto-placement.
AMPLIFIERS - LINEAR & POWER - CHIP
Mounting & Bonding Techniques for GaN MMICs
Mounting
The chip is back-metallized with a minimum of 5 microns of gold and is the RF ground and thermal interface. It is
recommended that the chip be die mounted with AuSn eutectic preforms. The mounting surface should be clean
and flat.
Eutectic Reflow Process: An 80/20 gold tin 0.5 mil (13 um) thick preform is recommended with a work surface
temperature of 280 °C. Limit exposure to temperatures above 300 °C to 30 seconds maximum. A die bonder or
furnace with 95 % N2 / 5 % H2 reducing atmosphere should be used. No organic flux should be used. Coefficient of
thermal expansion matching is critical for long term reliability.
Die Attach Inspection: X-ray or acoustic scan is recommended.
Wire Bonding
Thermosonic ball or wedge bonding is the preferred interconnect technique. Gold wire must be used in a diameter
appropriate for the pad size and number of bonds applied. Force, time and ultrasonics are critical parameters:
optimize for a repeatable, high bond pull strength. Limit the die bond pad surface temperature to 200 °C maximum.
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]
8