HMC490


Design Assistance

Customised Pack Sizes / Qtys

Assembly Assistance

Support for all industry recognised
supply formats:

Die handling consultancy

Hi-Rel die qualification

Hot & Cold die probing

Electrical test & trimming
o Waffle Pack
o Gel Pak
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
Onsite storage, stockholding &
scheduling
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100% Visual Inspection
o MIL-STD 883 Condition A
o MIL-STD 883 Condition A

On-site failure analysis

Bespoke 24 Hour monitored
storage systems for secure long
term product support

On-site failure analysis
Contact
[email protected]
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HMC490
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HMC490
v03.0213
LOW NOISE AMPLIFIER - CHIP
GaAs pHEMT MMIC LOW NOISE
HIGH IP3 AMPLIFIER, 12 - 17 GHz
Typical Applications
Features
The HMC490 is ideal for use as either a LNA or driver
amplifier for:
Noise Figure: 2 dB
• Point-to-Point Radios
Gain: 27 dB
• Point-to-Multi-Point Radios
Output IP3: +35 dBm
• VSAT
Supply Voltage: +5V
• Military & Space
50 Ohm Matched Input/Output
Output P1dB: +26 dBm
Die Size: 2.78 x 1.46 x 0.1 mm
Functional Diagram
General Description
The HMC490 is a high dynamic range GaAs
PHEMT MMIC Low Noise Amplifier which operates
between 12 and 17 GHz. The HMC490 provides
27 dB of gain, 2 dB noise figure and an output IP3
of 35 dBm from a +5V supply voltage. The amplifier
chip can easily be integrated into Multi-Chip-Modules
(MCMs) due to its small size. All data is tested with
the chip in a 50 Ohm test fixture connected via
0.025mm (1 mil) diameter wire bonds of minimal length
0.31mm (12 mils).
Electrical Specifications, TA = +25° C, Vdd = 5V, Idd = 200 mA*
Parameter
Min.
Frequency Range
Gain
Typ.
Max.
Min.
12 - 14
24
Typ.
Max.
14 - 17
26.5
24
GHz
27
0.03
Noise Figure
2.5
2.0
Input Return Loss
8
12
dB
Output Return Loss
8
9
dB
26
dBm
28
dBm
Output Power for 1 dB Compression (P1dB)
22
25
23
27
Output Third Order Intercept (IP3)
32
Supply Current (Idd)(Vdd = 5V, Vgg = -0.8V Typ.)
200
0.03
dB
Gain Variation Over Temperature
Saturated Output Power (Psat)
0.04
Units
0.04
dB
35
250
200
dB/ °C
dBm
250
mA
* Adjust Vgg between -2.0 to 0V to achieve Idd = 200 mA typical.
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]
HMC490
v03.0213
GaAs pHEMT MMIC LOW NOISE
HIGH IP3 AMPLIFIER, 12 - 17 GHz
Broadband Gain & Return Loss
Gain vs. Temperature
32
30
28
GAIN (dB)
RESPONSE (dB)
26
10
0
24
22
20
18
16
-10
14
12
-20
10
8
10
12
14
16
18
20
10
22
11
12
FREQUENCY (GHz)
S21
S11
S22
15
16
17
18
+85 C
-55 C
Output Return Loss vs. Temperature
0
0
-2
RETURN LOSS (dB)
-4
RETURN LOSS (dB)
14
+25 C
Input Return Loss vs. Temperature
-8
-12
-16
-4
-6
-8
-10
-12
-20
-14
10
11
12
13
14
15
16
17
18
10
11
12
FREQUENCY (GHz)
+25 C
13
14
15
16
17
18
FREQUENCY (GHz)
+85 C
-55 C
+25 C
Noise Figure vs. Temperature
+85 C
-55 C
Output IP3 vs. Temperature
10
40
8
35
30
6
IP3 (dBm)
NOISE FIGURE (dB)
13
FREQUENCY (GHz)
LOW NOISE AMPLIFIER - CHIP
30
20
4
25
20
2
15
0
10
10
11
12
13
14
15
16
17
18
10
11
12
FREQUENCY (GHz)
+25 C
+85 C
-55 C
+25 C
13
14
15
FREQUENCY (GHz)
+85 C
16
17
18
-55 C
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
HMC490
v03.0213
GaAs pHEMT MMIC LOW NOISE
HIGH IP3 AMPLIFIER, 12 - 17 GHz
32
28
28
24
24
20
20
Psat (dBm)
P1dB (dBm)
Psat vs. Temperature
32
16
12
16
12
8
8
4
4
0
0
10
11
12
13
14
15
16
17
18
10
11
12
13
FREQUENCY (GHz)
+25 C
+85 C
-55 C
+25 C
30
5
28
4
26
3
24
2
22
1
4
4.5
17
18
5
+85 C
-55 C
30
25
20
15
10
5
0
-10
5.5
-8
-6
-4
-2
0
2
4
6
INPUT POWER (dBm)
Vdd (V)
Gain
16
35
0
20
3.5
15
Power Compression @ 14 GHz
Pout (dBm), GAIN (dB), PAE (%)
GAIN (dB)
Gain & Noise Figure vs.
Supply Voltage@ 14 GHz, Idd= 200 mA
3
14
FREQUENCY (GHz)
NOISE FIGURE (dB)
LOW NOISE AMPLIFIER - CHIP
P1dB vs. Temperature
Noise Figure
Pout
Gain, Noise Figure & Output IP3 vs.
Supply Current @ 14 GHz, Vdd= 5V*
34
5
30
4
26
3
22
2
Gain
PAE
Power Dissipation
2
POWER DISSIPATION (W)
1
18
NOISE FIGURE (dB)
GAIN (dB), IP3 (dBm)
1.8
1.6
1.4
1.2
1
0.8
0.6
14
100
125
150
0
200
175
IP3
-8
-6
-4
-2
0
2
4
6
INPUT POWER (dBm)
Idd (mA)
Gain
0.4
-10
Noise Figure
Max Pdis @ 85C
12 GHz
13 GHz
14 GHz
15 GHz
16 GHz
* Idd is controlled by varying Vgg
3
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]
HMC490
v03.0213
GaAs pHEMT MMIC LOW NOISE
HIGH IP3 AMPLIFIER, 12 - 17 GHz
Reverse Isolation vs. Temperature
ISOLATION (dB)
-10
-20
-30
-40
-50
-60
-70
10
11
12
13
14
15
16
17
18
FREQUENCY (GHz)
+25 C
Absolute Maximum Ratings
+85 C
-55 C
Typical Supply Current vs. Vdd
Drain Bias Voltage (Vdd1, Vdd2, Vdd3)
+5.5 Vdc
Gate Bias Voltage (Vgg1, Vgg2, Vgg3)
-4 to 0 Vdc
+4.5
191
RF Input Power (RFIN)(Vdd = +5 Vdc)
+10 dBm
+5.0
200
Channel Temperature
175 °C
+5.5
208
Continuous Pdiss (T= 85 °C)
(derate 19.2 mW/°C above 85 °C)
1.73 W
Thermal Resistance
(channel to die bottom)
52 °C/W
Storage Temperature
-65 to +150 °C
Operating Temperature
-55 to +85 °C
Vdd (Vdc)
Idd (mA)
+3.0
189
+3.5
200
+4.0
208
LOW NOISE AMPLIFIER - CHIP
0
Note: Amplifier will operate over full voltage ranges shown
above. Vgg adjusted to achieve Idd= 200 mA at +5.0V and
+3.5V.
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
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
HMC490
v03.0213
GaAs pHEMT MMIC LOW NOISE
HIGH IP3 AMPLIFIER, 12 - 17 GHz
LOW NOISE AMPLIFIER - CHIP
Outline Drawing
NOTES:
1. ALL DIMENSIONS ARE IN INCHES [MM]
2. DIE THICKNESS IS .004”
3. TYPICAL BOND IS .004” SQUARE
4. BACKSIDE METALLIZATION: GOLD
5. BOND PAD METALLIZATION: GOLD
6. BACKSIDE METAL IS GROUND.
7. CONNECTION NOT REQUIRED FOR UNLABELED BOND PADS.
Die Packaging Information [1]
Standard
Alternate
GP-2 (Gel Pack)
[2]
[1] Refer to the “Packaging Information” section for die
packaging dimensions.
[2] For alternate packaging information contact Hittite
Microwave Corporation.
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]
HMC490
v03.0213
GaAs pHEMT MMIC LOW NOISE
HIGH IP3 AMPLIFIER, 12 - 17 GHz
Pad Descriptions
Function
Description
1,8, 7
Vgg1, 2, 3
Gate control for amplifier. Adjust to achieve Id of 200 mA.
Please follow “MMIC Amplifier Biasing Procedure”
Application Note. External bypass capacitors of 100 pF and 0.01
µF are required.
2
RFIN
This pad is AC coupled
and matched to 50 Ohms.
3, 4, 5
Vdd1, 2, 3
Power Supply Voltage for the amplifier. External bypass capacitors
of 100 pF and 0.01 µF are required.
6
RFOUT
This pad is AC coupled
and matched to 50 Ohms.
Die Bottom
GND
Die Bottom must be connected to RF/DC ground.
Interface Schematic
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]
LOW NOISE AMPLIFIER - CHIP
Pad Number
6
HMC490
v03.0213
GaAs pHEMT MMIC LOW NOISE
HIGH IP3 AMPLIFIER, 12 - 17 GHz
LOW NOISE AMPLIFIER - CHIP
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).
0.102mm (0.004”) Thick GaAs MMIC
Wire Bond
0.076mm
(0.003”)
RF Ground Plane
Microstrip substrates should brought 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).
0.127mm (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.
0.102mm (0.004”) Thick GaAs MMIC
Wire Bond
0.076mm
(0.003”)
RF Ground Plane
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.
0.150mm (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 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
Ball or wedge bond with 0.025mm (1 mil) diameter pure gold wire. Thermosonic wirebonding with a nominal stage
temperature of 150 °C and a ball bonding force of 40 to 50 grams or wedge bonding force of 18 to 22 grams is recommended. Use the minimum level of ultrasonic energy to achieve reliable wirebonds. Wirebonds should be started on
the chip and terminated on the package or substrate. All bonds should be as short as possible <0.31mm (12 mils).
7
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]
HMC490
v03.0213
GaAs pHEMT MMIC LOW NOISE
HIGH IP3 AMPLIFIER, 12 - 17 GHz
LOW NOISE AMPLIFIER - CHIP
Notes:
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