Micross HMC341 Millimeterwave point-to-point radio Datasheet

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HMC341
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HMC341
v01.1007
AMPLIFIERS - LOW NOISE - CHIP
1
GaAs MMIC LOW NOISE
AMPLIFIER, 24 - 30 GHz
Typical Applications
Features
The HMC341 is ideal for:
Excellent Noise Figure: 2.5 dB
• Millimeterwave Point-to-Point Radios
Gain: 13 dB
• LMDS
Single Supply: +3V @ 30 mA
• VSAT & SATCOM
Small Size: 1.42 x 1.06 x 0.1 mm
Functional Diagram
General Description
The HMC341 chip is a GaAs MMIC Low Noise
Amplifier (LNA) which covers the frequency range
of 24 to 30 GHz. The chip can easily be integrated
into Multi-Chip Modules (MCMs) due to its small
(1.51 mm2) size. The chip utilizes a GaAs PHEMT
process offering 13 dB gain from a single bias supply
of + 3V @ 30 mA with a noise figure of 2.5 dB. All
data is with the chip in a 50 ohm test fixture connected
via 0.025 mm (1 mil) diameter wire bonds of minimal
length 0.31 mm (<12 mils).
Electrical Specifi cations, TA = +25° C, Vdd = +3V
Parameter
Min.
Frequency Range
Gain
10
Gain Variation Over Temperature
Noise Figure
Max.
26 - 30 GHz
24 - 26 GHz
Units
GHz
13
16
dB
0.03
0.04
dB/°C
2.5
2.9
3.5
3.9
dB
dB
Input Return Loss
9
13
Output Return Loss
9
13
dB
Reverse Isolation
25
30
dB
dB
Output Power for 1dB Compression (P1dB)
2
6
dBm
Saturated Output Power (Psat)
6
10
dBm
Output Third Order Intercept (IP3)
12
16
dBm
Supply Current (Idd)
1-8
Typ.
24 - 30
30
40
mA
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, 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]
HMC341
v01.1007
GaAs MMIC LOW NOISE
AMPLIFIER, 24 - 30 GHz
20
15
15
10
+25C
-55C
+85C
10
+25C
-55C
+85C
5
0
0
22
24
26
28
30
32
22
24
FREQUENCY (GHz)
Return Loss @ Vdd = +3V
30
32
30
32
30
32
0
S11
S22
-5
RETURN LOSS (dB)
-5
RETURN LOSS (dB)
28
Return Loss @ Vdd = +5V
0
-10
-15
-20
-25
-30
S11
S22
-10
-15
-20
-25
-30
-35
-35
22
24
26
28
30
32
22
24
FREQUENCY (GHz)
26
28
FREQUENCY (GHz)
Noise Figure
vs. Temperature @ Vdd = +3V
Noise Figure
vs. Temperature @ Vdd = +5V
7
7
6
6
+25C
-55C
+85C
5
NOISE FIGURE (dB)
NOISE FIGURE (dB)
26
FREQUENCY (GHz)
AMPLIFIERS - LOW NOISE - CHIP
20
5
1
Gain vs. Temperature @ Vdd = +5V
GAIN (dB)
GAIN (dB)
Gain vs. Temperature @ Vdd = +3V
4
3
2
1
+25C
-55C
+85C
5
4
3
2
1
0
0
22
24
26
28
FREQUENCY (GHz)
30
32
22
24
26
28
FREQUENCY (GHz)
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, 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]
1-9
HMC341
v01.1007
GaAs MMIC LOW NOISE
AMPLIFIER, 24 - 30 GHz
Isolation
13.6
3.8
0
13.4
3.6
-10
13.2
3.4
13
3.2
ISOLATION (dB)
GAIN dB)
Gain & Noise Figure
vs. Supply Voltage @ 28 GHz
NOISE FIGURE (dB)
-30
3
12.6
2.8
12.4
2.6
12.2
2.4
-60
2.2
-70
2.5
3
3.5
4
4.5
5
Vdd = +3V
Vdd = +5V
-20
12.8
12
-40
-50
22
5.5
24
Output P1dB @ Vdd = +3V
16
14
14
P1dB (dBm)
8
6
8
6
4
2
2
+25 C
-55 C
+85 C
0
22
24
26
28
30
32
22
24
FREQUENCY (GHz)
28
30
32
30
32
Output IP3 @ Vdd = +5V
25
20
20
15
15
IP3 (dBm)
25
+25 C
-55 C
+85 C
10
26
FREQUENCY (GHz)
Output IP3 @ Vdd = +3V
IP3 (dBm)
32
10
4
0
5
+25 C
-55 C
+85 C
10
5
0
0
22
24
26
28
FREQUENCY (GHz)
1 - 10
30
12
+25 C
-55 C
+85 C
10
28
Output P1dB @ Vdd = +5V
16
12
26
FREQUENCY (GHz)
Vdd SUPPLY VOLTAGE (Vdc)
P1dB (dBm)
AMPLIFIERS - LOW NOISE - CHIP
1
30
32
22
24
26
28
FREQUENCY (GHz)
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, 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]
HMC341
v01.1007
GaAs MMIC LOW NOISE
AMPLIFIER, 24 - 30 GHz
1
Absolute Maximum Ratings
+5.5 Vdc
RF Input Power (RFIN)(Vdd = +3.0 Vdc)
+3 dBm
Channel Temperature
175 °C
Continuous Pdiss (T = 85 °C)
(derate 3.44 mW/°C above 85 °C)
0.310 W
Thermal Resistance
(channel to die bottom)
290 °C/W
Storage Temperature
-65 to +150 °C
Operating Temperature
-55 to +85 °C
AMPLIFIERS - LOW NOISE - CHIP
Drain Bias Voltage (Vdd)
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Outline Drawing
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.
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.
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, 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]
1 - 11
HMC341
v01.1007
GaAs MMIC LOW NOISE
AMPLIFIER, 24 - 30 GHz
AMPLIFIERS - LOW NOISE - CHIP
1
1 - 12
Pad Descriptions
Pad Number
Function
Description
1
RFIN
This pad is AC coupled and matched to 50 Ohms.
2
RFOUT
This pad is AC coupled and matched to 50 Ohms.
3
Vdd
Power Supply for the 2-stage amplifier. An external RF bypass capacitor of 100 - 300 pF is required. The bond length to the capacitor should
be as short as possible. The ground side of the capacitor should be
connected to the housing ground.
Interface Schematic
Assembly Diagrams
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, 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]
HMC341
v01.1007
GaAs MMIC LOW NOISE
AMPLIFIER, 24 - 30 GHz
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
0.127mm (0.005”) Thick Alumina
Thin Film Substrate
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).
An RF bypass capacitor should be used on the Vdd input. A 100 pF single
layer capacitor (mounted eutectically or by conductive epoxy) placed no
further than 0.762mm (30 Mils) from the chip is recommended.
Handling Precautions
Figure 1.
0.102mm (0.004”) Thick GaAs MMIC
Wire Bond
0.076mm
(0.003”)
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
RF Ground Plane
0.150mm (0.005”) Thick
Moly Tab
AMPLIFIERS - LOW NOISE - CHIP
1
Mounting & Bonding Techniques for Millimeterwave GaAs MMICs
0.254mm (0.010”) Thick Alumina
Thin Film Substrate
Figure 2.
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
Ball or wedge bond with 0.025 mm (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 <0.31 mm (12 mils).
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, 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]
1 - 13
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