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HMC451
v00.0305
GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 5.0 - 20.0 GHz
1
AMPLIFIERS - CHIP
Typical Applications
The HMC451 is ideal for use as a driver amplifier for: * Point-to-Point Radios * Point-to-Multi-Point Radios & VSAT * Test Equipment & Sensors * LO Driver for HMC Mixers * Military & Space
Features
Gain: 22 dB Saturated Output Power: +22 dBm @ 24% PAE Output IP3: +30 dBm Single Positive Supply: +5.0 V @ 127 mA 50 Ohm Matched Input/Output Small Size: 1.35 mm x 1.35 mm x 0.1 mm
Functional Diagram
General Description
The HMC451 is a general purpose GaAs PHEMT MMIC Medium Power Amplifier which operates between 5.0 and 20.0 GHz. The amplifier provides 22 dB of gain, +22 dBm of saturated power and 24% PAE from a +5.0 V supply. Consistent gain and output power across the operating band make it possible to use a common driver/LO amplifier approach in multiple radio bands. The HMC451 amplifier can easily be integrated into Multi-Chip-Modules (MCMs) due to its small (1.82mm2) size, single supply operation and DC blocked I/Os. 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, Vdd1, Vdd2 = +5V
Parameter Frequency Range Gain Gain Variation Over Temperature Input Return Loss Output Return Loss Output Power for 1 dB Compression (P1dB) Saturated Output Power (Psat) Output Third Order Intercept (IP3) Noise Figure Supply Current (Idd) 17 19 Min. Typ. 5 - 15 22 0.03 14 16 20 22 32 7 127 17 0.04 17 Max. Min. Typ. 15 - 18 20 0.03 11 11 20 21 30 6 127 17 0.04 15 Max. Min. Typ. 18 - 20 18 0.03 8 8 20 21 30 6.5 127 0.04 Max. Units GHz dB dB/ C dB dB dBm dBm dBm dB mA
1 - 78
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC451
v00.0305
GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 5.0 - 20.0 GHz
Broadband Gain & Return Loss
25 20 15 RESPONSE (dB) 10 5 0 -5 -10 -15 -20 -25 -30 3 5 7 9 11 13 15 17 19 21 23 25 FREQUENCY (GHz)
S21 S22
Gain vs. Temperature
26 24 22 20 18 16 14 12 10 8 6 4 2 0 4 6 8 10 12 14
1
AMPLIFIERS - CHIP
1 - 79
GAIN (dB)
S11
+25C +85C -55C
16
18
20
22
FREQUENCY (GHz)
Input Return Loss vs. Temperature
0
+25C +85C -55C
Output Return Loss vs. Temperature
0 -5 RETURN LOSS (dB) -10 -15 -20 -25 -30 -35
+25C +85C -55C
-5 RETURN LOSS (dB)
-10
-15
-20
-25 4 6 8 10 12 14 16 18 20 22 FREQUENCY (GHz)
-40 4 6 8 10 12 14 16 18 20 22 FREQUENCY (GHz)
P1dB vs. Temperature
26 24 22 20 18 16 14 12 10 8 6 4 2 0 4 6 8 10 12 14
Psat vs. Temperature
26 24 22 20 18 16 14 12 10 8 6 4 2 0 4 6 8 10 12 14
P1dB (dBm)
+25C +85C -55C
Psat (dBm)
+25C +85C -55C
16
18
20
22
16
18
20
22
FREQUENCY (GHz)
FREQUENCY (GHz)
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC451
v00.0305
GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 5.0 - 20.0 GHz
1
AMPLIFIERS - CHIP
Power Compression @ 10 GHz
26 24 22 20 Pout (dBm) 18 Gain (dB) PAE (%) 16 14 12 10 8 6 4 2 0 -20 -18 -16 -14 -12 -10 -8 Pout (dBm), GAIN (dB), PAE (%)
Power Compression @ 20 GHz
26 24 Pout (dBm) 22 Gain (dB) PAE (%) 20 18 16 14 12 10 8 6 4 2 0 -18 -16 -14 -12 -10 -8 Pout (dBm), GAIN (dB), PAE (%)
-6
-4
-2
0
2
4
6
-6
-4
-2
0
2
4
6
INPUT POWER (dBm)
INPUT POWER (dBm)
Output IP3 vs. Temperature
38 36 34
Noise Figure vs. Temperature
11 10 9 NOISE FIGURE (dB) 8 7 6 5 4 3 2 1 0
+25C +85C -55C
32 OIP3 (dBm) 30 28 26 24 22 20 18 4 6 8 10 12 14 16 18 20 22 FREQUENCY (GHz)
+25C +85C -55C
4
6
8
10
12
14
16
18
20
22
FREQUENCY (GHz)
Gain & Power vs. Supply Voltage @ 10 GHz
25 GAIN (dB), P1dB (dBm), Psat (dBm) 24
Reverse Isolation vs. Temperature
0 -10 ISOLATION (dB) -20 -30 -40 -50 -60 -70
+25C +85C -55C
23 22 21 20 19 18 4.5
Gain P1dB Psat
5 Vdd Supply Voltage (Vdc)
5.5
4
6
8
10
12
14
16
18
20
22
FREQUENCY (GHz)
1 - 80
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC451
v00.0305
GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 5.0 - 20.0 GHz
Typical Supply Current vs. Vdd
Vdd (V) +4.5 +5.0 +5.5 Idd (mA) 125 127 129
Absolute Maximum Ratings
Drain Bias Voltage (Vdd) RF Input Power (RFin)(Vdd = +5.0 Vdc) Channel Temperature Continuous Pdiss (T= 85 C) (derate 13 mW/C above 85 C) Thermal Resistance (channel to die bottom) Storage Temperature Operating Temperature +5.5 Vdc +10 dBm 175 C 1.2 W 75 C/W -65 to +150 C -55 to +85 C
1
AMPLIFIERS - CHIP
1 - 81
Note: Amplifier will operate over full voltage ranges shown above
ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC451
v00.0305
GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 5.0 - 20.0 GHz
1
AMPLIFIERS - CHIP
Outline Drawing
Die Packaging Information [1]
Standard GP-2 Alternate [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 PAD 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. 8. OVERALL DIE SIZE .002
Pad Descriptions
Pad Number 1 Function RF IN Description This pad is AC coupled and matched to 50 Ohms from 5 - 20 GHz. Interface Schematic
2, 3
Vdd1, Vdd2
Power Supply Voltage for the amplifier. External bypass capacitors of 100 pF and 0.1 F are required.
4
RF OUT
This pad is AC coupled and matched to 50 Ohms from 5 - 20 GHz.
1 - 82
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC451
v00.0305
GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 5.0 - 20.0 GHz
Assembly Diagram
1
AMPLIFIERS - CHIP
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
1 - 83
HMC451
v00.0305
GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 5.0 - 20.0 GHz
1
AMPLIFIERS - 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). Microstrip substrates should be 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).
0.102mm (0.004") Thick GaAs MMIC
Wire Bond 0.076mm (0.003")
RF Ground Plane
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: Follow ESD precautions to protect against > 250V ESD strikes. Transients: Suppress instrument and bias supply transients while bias is applied. Use shielded signal and bias cables to minimize inductive pickup.
0.102mm (0.004") Thick GaAs MMIC
Wire 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 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 deg. C and a tool temperature of 265 deg. C. When hot 90/10 nitrogen/hydrogen gas is applied, tool tip temperature should be 290 deg. C. DO NOT expose the chip to a temperature greater than 320 deg. 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 deg. 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).
1 - 84
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
HMC451
v00.0305
GaAs PHEMT MMIC MEDIUM POWER AMPLIFIER, 5.0 - 20.0 GHz
Notes:
1
AMPLIFIERS - CHIP
For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
1 - 85

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