HMC464


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supply formats:
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Hot & Cold die probing
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storage systems for secure long
term product support
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HMC464
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HMC464
v04.0308
LINEAR & POWER AMPLIFIERS - CHIP
3
GaAs PHEMT MMIC
POWER AMPLIFIER, 2 - 20 GHz
Typical Applications
Features
The HMC464 wideband driver is ideal for:
P1dB Output Power: +26 dBm
• Telecom Infrastructure
Gain: 16 dB
• Microwave Radio & VSAT
Output IP3: +30 dBm
• Military & Space
Supply Voltage: +8.0V @ 290 mA
• Test Instrumentation
50 Ohm Matched Input/Output
• Fiber Optics
Die Size: 3.12 x 1.63 x 0.1 mm
Functional Diagram
General Description
The HMC464 is a GaAs MMIC PHEMT Distributed
Power Amplifier die which operates between 2 and
20 GHz. The amplifier provides 16 dB of gain, +30 dBm
Output IP3 and +26 dBm of output power at 1 dB gain
compression while requiring 290 mA from a +8V supply. Gain flatness is excellent from 2 - 18 GHz making
the HMC464 ideal for EW, ECM and radar driver
amplifier applications. The HMC464 amplifier I/O’s
are internally matched to 50 Ohms facilitating easy
integration into Multi-Chip-Modules (MCMs). All data
is 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 Specifi cations, TA = +25° C, Vdd= 8V, Vgg2= 3V, Idd= 290 mA*
Parameter
Min.
Frequency Range
Gain
Typ.
Max.
Min.
2.0 - 6.0
14
Gain Flatness
16
13
±0.25
Gain Variation Over Temperature
0.02
Typ.
Max.
Min.
6.0 - 18.0
16
11
±0.5
0.03
0.02
Typ.
Max.
GHz
14
dB
±0.75
0.03
0.03
dB
0.04
dB/ °C
Input Return Loss
15
17
13
Output Return Loss
14
12
11
dB
22
dBm
24.5
dBm
Output Power for 1 dB Compression (P1dB)
Saturated Output Power (Psat)
23.5
26.5
28
22
26
27.5
19
dB
Output Third Order Intercept (IP3)
32
30
24
dBm
Noise Figure
4.0
4.0
6.0
dB
Supply Current
(Idd) (Vdd= 8V, Vgg1= -0.5V Typ.)
290
290
290
mA
* Adjust Vgg1 between -2 to 0V to achieve Idd= 290 mA typical.
3 - 36
Units
18.0 - 20.0
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
HMC464
v04.0308
GaAs PHEMT MMIC
POWER AMPLIFIER, 2 - 20 GHz
Gain vs. Temperature
20
10
16
S21
S11
S22
0
-10
-20
3
12
+25C
+85C
-55C
8
4
-30
0
0
4
8
12
16
20
24
0
2
4
6
FREQUENCY (GHz)
Input Return Loss vs. Temperature
12
14
16
18
20
22
0
-5
+25C
+85C
-55C
-10
+25C
+85C
-55C
-5
RETURN LOSS (dB)
RETURN LOSS (dB)
10
Output Return Loss vs. Temperature
0
-15
-20
-10
-15
-20
-25
-25
-30
0
2
4
6
8
10
12
14
16
18
20
22
0
2
4
6
8
10
12
14
16
18
20
22
18
20
22
FREQUENCY (GHz)
FREQUENCY (GHz)
Noise Figure vs. Temperature
Reverse Isolation vs. Temperature
0
10
-10
+25C
+85C
-55C
-20
+25C
+85C
-55C
8
NOISE FIGURE (dB)
REVERSE ISOLATION (dB)
8
FREQUENCY (GHz)
-30
-40
-50
LINEAR & POWER AMPLIFIERS - CHIP
20
GAIN (dB)
RESPONSE (dB)
Gain & Return Loss
6
4
2
-60
0
-70
0
2
4
6
8
10
12
14
FREQUENCY (GHz)
16
18
20
22
0
2
4
6
8
10
12
14
16
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
3 - 37
HMC464
v04.0308
GaAs PHEMT MMIC
POWER AMPLIFIER, 2 - 20 GHz
Output P1dB vs. Temperature
Output Psat vs. Temperature
30
30
28
26
26
Psat (dBm)
P1dB (dBm)
22
20
+25C
18
+85C
16
-55C
22
+25C
+85C
-55C
18
14
14
12
10
10
0
2
4
6
8
10
12
14
16
18
20
0
22
2
4
6
32
28
+25C
+85C
-55C
20
16
2
4
6
8
10
12
14
16
18
20
22
GAIN (dB), P1dB (dBm), Psat (dBm), IP3 (dBm)
36
0
10
12
14
16
18
20
22
Gain, Power & Output IP3
vs. Supply Voltage @ 10 GHz, Fixed Vgg
Output IP3 vs. Temperature
24
8
FREQUENCY (GHz)
FREQUENCY (GHz)
IP3 (dBm)
LINEAR & POWER AMPLIFIERS - CHIP
3
24
32
30
28
26
24
22
Gain
P1dB
Psat
IP3
20
18
16
14
12
10
7.5
8
FREQUENCY (GHz)
Absolute Maximum Ratings
Drain Bias Voltage (Vdd)
+9 Vdc
Gate Bias Voltage (Vgg1)
-2 to 0 Vdc
8.5
Vdd SUPPLY VOLTAGE (V)
Typical Supply Current vs. Vdd
Vdd (V)
Idd (mA)
+7.5
292
Gate Bias Voltage (Vgg2)
(Vdd -8) Vdc to Vdd
+8.0
290
RF Input Power (RFIN)(Vdd = +8 Vdc)
+20 dBm
+8.5
288
Channel Temperature
175 °C
Continuous Pdiss (T= 85 °C)
(derate 51.5 mW/°C above 85 °C)
4.64 W
Thermal Resistance
(channel to die bottom)
19.4 °C/W
Storage Temperature
-65 to +150 °C
Operating Temperature
-55 to +85 °C
ESD Sensitivity (HBM)
Class 1A
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
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 - 38
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
HMC464
v04.0308
GaAs PHEMT MMIC
POWER AMPLIFIER, 2 - 20 GHz
Outline Drawing
NOTES:
1. ALL DIMENSIONS IN INCHES [MILLIMETERS]
2. NO CONNECTION REQUIRED FOR UNLABELED BOND PADS
3. DIE THICKNESS IS 0.004 (0.100)
4. TYPICAL BOND PAD IS 0.004 (0.100) SQUARE
5. BACKSIDE METALLIZATION: GOLD
6. BACKSIDE METAL IS GROUND
7. BOND PAD METALIZATION: GOLD
Pad Descriptions
Pad Number
Function
Description
1
RFIN
This pad is AC coupled and matched to 50 Ohms.
2
Vgg2
Gate Control 2 for amplifier. +3V should be applied to
Vgg2 for nominal operation.
3
RFOUT & Vdd
RF output for amplifier. Connect the DC
bias (Vdd) network to provide drain current (Idd).
See application circuit herein.
4
Vgg1
Gate Control 1 for amplifier. Adjust between -2 to 0V
to achieve Idd= 290 mA.
Die
Bottom
GND
Die bottom must be connected to RF/DC ground.
Interface Schematic
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
LINEAR & POWER AMPLIFIERS - CHIP
3
3 - 39
HMC464
v04.0308
GaAs PHEMT MMIC
POWER AMPLIFIER, 2 - 20 GHz
Assembly Diagram
LINEAR & POWER AMPLIFIERS - CHIP
3
Application Circuit
NOTE 1: Drain Bias (Vdd) must be applied through a broadband bias tee or external bias network.
3 - 40
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
HMC464
v04.0308
GaAs PHEMT MMIC
POWER AMPLIFIER, 2 - 20 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). 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
3
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
pick-up.
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 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.
LINEAR & POWER AMPLIFIERS - CHIP
The die should be attached directly to the ground plane eutectically or with
conductive epoxy (see HMC general Handling, Mounting, Bonding Note).
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).
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
3 - 41