HMC465

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HMC465
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HMC465
v09.0114
AMPLIFIERS- DRIVERS & GAIN BLOCKS - CHIP
GaAs pHEMT MMIC MODULATOR
DRIVER AMPLIFIER, DC - 20 GHz
Typical Applications
Features
The HMC465 wideband driver is ideal for:
Gain: 17 dB
• OC192 LN/MZ Modulator Driver
Output Voltage to 10 Vp-p
• Telecom Infrastructure
Saturated Output Power: +24 dBm
• Test Instrumentation
Supply Voltage: +8V @160mA
• Military & Space
50 Ohm Matched Input/Output
Die Size: 3.04 x 1.56 x 0.1 mm
General Description
Functional Diagram
The HMC465 is a GaAs MMIC pHEMT Distributed
Driver Amplifier die which operates between DC and
20 GHz. The amplifier provides 17 dB of gain, 2.5 dB
noise figure and +24 dBm of saturated output power
while requiring only 160 mA from a +8V supply. Gain
flatness is excellent at ±0.25 dB as well as ±1 deg
deviation from linear phase from DC - 10 GHz making
the HMC465 ideal for OC192 fiber optic LN/MZ modulator driver amplifier as well as test equipment applications. The HMC465 amplifier I/Os are internally
matched to 50 Ohms for easy integration into MultiChip-Modules (MCMs). All data is measured with
the chip in a 50 Ohm test fixture connected via
0.025 mm (1 mil) diameter wire bonds of minimal
length 0.31mm (12 mils).
Electrical Specifications, TA = +25 °C, Vdd = 8V, Vgg2 = 1.5V, Idd = 160mA*
Parameter
Min.
Frequency Range
Gain
Typ.
Max.
Min.
DC - 6
15
18
Gain Flatness
±0.5
Gain Variation Over Temperature
Typ.
Max.
Min.
6 - 12
15
17
13
±0.25
Typ.
Max.
Units
12 - 20
GHz
16.5
dB
±0.5
dB
0.015
0.025
0.015
0.025
0.02
0.03
dB/ °C
Noise Figure
3
5
2.5
3.5
3
4.5
dB
Input Return Loss
18
Output Return Loss
Output Power for 1 dB Compression (P1dB)
20
18
19.5
22.5
16
17
19
22
17
dB
17
dB
20
dBm
Saturated Output Power (Psat)
24
24
22
dBm
Output Third Order Intercept (IP3)
33
30
26
dBm
Saturated Output Voltage
10
10
8
Vp-p
Group Delay Variation
±3
±3
±3
ps
Supply Current
(Idd) (Vdd = 8V, Vgg1 = -0.6V Typ.)
160
160
160
mA
* Adjust Vgg1 between -2 to 0V to achieve Idd = 160mA 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]
HMC465
v09.0114
GaAs pHEMT MMIC MODULATOR
DRIVER AMPLIFIER, DC - 20 GHz
20
10
16
0
-10
-20
12
8
4
-30
0
0
4
8
12
16
20
24
0
2
4
6
FREQUENCY (GHz)
S21
S11
S22
12
14
16
18
20
22
0
-5
-5
-10
-15
-20
+85C
-55C
Output Return Loss vs. Temperature
0
RETURN LOSS (dB)
RETURN LOSS (dB)
10
+25C
Input Return Loss vs. Temperature
-25
-10
-15
-20
-25
-30
-30
0
2
4
6
8
10
12
14
16
18
20
22
0
2
4
6
FREQUENCY (GHz)
+25C
+85C
-55C
10
12
+25C
14
16
18
20
22
20
7
NOISE FIGURE (dB)
8
10
0
-10
-20
-30
+85C
-55C
Noise Figure vs. Temperature
30
6
5
4
3
2
1
-40
0.00001
8
FREQUENCY (GHz)
Low Frequency Gain & Return Loss
RESPONSE (dB)
8
FREQUENCY (GHz)
AMPLIFIERS- DRIVERS & GAIN BLOCKS - CHIP
Gain vs. Temperature
20
GAIN (dB)
RESPONSE (dB)
Gain & Return Loss
0
0.0001
0.001
0.01
0.1
1
10
0
2
4
6
FREQUENCY (GHz)
S21
S11
8
10
12
14
16
18
20
22
FREQUENCY (GHz)
S22
+25C
+85C
-55C
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
HMC465
v09.0114
GaAs pHEMT MMIC MODULATOR
DRIVER AMPLIFIER, DC - 20 GHz
30
26
26
Psat (dBm)
P1dB (dBm)
Psat vs. Temperature
30
22
18
14
18
10
0
2
4
6
8
10
12
14
16
18
20
22
0
2
4
6
FREQUENCY (GHz)
+85C
-55C
40
36
32
28
24
20
2
4
6
8
10
12
14
16
18
20
22
+85C
+85C
22
-55C
30
25
20
15
10
5
0
5.5
6
6.5
7
7.5
8
Gain
P1dB
DEVIATION FROM LINEAR PHASE (deg)
GROUP DELAY (ps)
20
8.5
Psat
IP3
Deviation from Linear Phase
-40
-60
-80
-100
2
18
35
-55C
0
1
16
Vdd SUPPLY VOLTAGE (V)
Group Delay
0
14
40
FREQUENCY (GHz)
+25C
12
Gain, Power & Output IP3 vs.
Supply Voltage @ 10 GHz, Idd= 160mA
Output IP3 vs. Temperature
0
10
+25C
Gain (dB), P1dB (dBm), Psat (dBm), IP3 (dBm)
+25C
8
FREQUENCY (GHz)
-20
3
4
5
6
FREQUENCY (GHz)
3
22
14
10
IP3 (dBm)
AMPLIFIERS- DRIVERS & GAIN BLOCKS - CHIP
Output P1dB vs. Temperature
7
8
9
10
5
3
1
-1
-3
-5
0
2
4
6
8
10
FREQUENCY (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]
HMC465
v09.0114
GaAs pHEMT MMIC MODULATOR
DRIVER AMPLIFIER, DC - 20 GHz
Drain Bias Voltage (Vdd)
+9V
Gate Bias Voltage (Vgg1)
-2 to 0V
Gate Bias Current (Igg1)
+3.2mA
Gate Bias Voltage (Vgg2)
(Vdd -8) V to +3 Vdc
Gate Bias Current (Igg2)
+3.2mA
RF Input Power (RFIN)(Vdd = +8V)
+23 dBm
Channel Temperature
175 °C
Continuous Pdiss (T = 85 °C)
(derate 24 mW/°C above 85 °C)
2.17 W
Thermal Resistance
(channel to die bottom)
41.5 °C/W
Storage Temperature
-65 to +150 °C
Operating Temperature
-55 to +85 °C
Vdd (V)
Idd (mA)
+7.5
161
+8.0
160
+8.5
159
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Outline Drawing
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.
AMPLIFIERS- DRIVERS & GAIN BLOCKS - CHIP
Typical Supply Current vs. Vdd
Absolute Maximum Ratings
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
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
HMC465
v09.0114
GaAs pHEMT MMIC MODULATOR
DRIVER AMPLIFIER, DC - 20 GHz
AMPLIFIERS- DRIVERS & GAIN BLOCKS - CHIP
Pad Descriptions
5
Pad Number
Function
Description
1
RFIN
This pad is DC coupled and matched to 50 Ohms.
2
Vgg2
Gate Control 2 for amplifier. +1.5V should be applied to
Vgg2 for nominal operation.
3
ACG1
4
ACG2
5
RFOUT & Vdd
6
ACG3
Pin Schematic
Low frequency termination. Attach bypass capacitor
per application circuit herein.
RF output for amplifier. Connect the DC
bias (Vdd) network to provide drain current (Idd).
See application circuit herein.
Low frequency termination. Attach bypass capacitor
per application circuit herein.
7
ACG4
8
Vgg1
Gate Control 1 for amplifier.
Die Bottom
GND
Die botton must be connected to RF/DC ground.
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]
HMC465
v09.0114
GaAs pHEMT MMIC MODULATOR
DRIVER AMPLIFIER, DC - 20 GHz
Application Circuit
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- DRIVERS & GAIN BLOCKS - CHIP
Assembly Diagram
6
HMC465
v09.0114
GaAs pHEMT MMIC MODULATOR
DRIVER AMPLIFIER, DC - 20 GHz
AMPLIFIERS- DRIVERS & GAIN BLOCKS - CHIP
Device Operation
7
These devices are susceptible to damage from Electrostatic Discharge. Proper precautions should be observed
during handling, assembly and test.
The input to this device should be AC-coupled. To provide the typical 8Vp-p output voltage swing, a 1.2Vp-p
AC-coupled input voltage swing is required.
1. Ground the device
2. Set Vgg1 to -2V (no drain current)
3. Set Vgg2 to +1.5V (no drain current)
4. Set Vdd to +8V (no drain current)
5. Adjust Vgg1 for Idd = 160mA (Vgg1 may be varied between -2V and 0V to set Idd to 160mA)
6. Apply RF signal to input.
Device Power Down Instructions
1. Remove RF signal from input
2. Remove Vdd
3. Remove Vgg2
4. Remove Vgg1
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]
HMC465
v09.0114
GaAs pHEMT MMIC MODULATOR
DRIVER AMPLIFIER, DC - 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
0.076mm
(0.003”)
RF Ground Plane
Microstrip substrates should be located 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: 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 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.
AMPLIFIERS- DRIVERS & GAIN BLOCKS - 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: 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