HMC322


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
o Tape & Reel

Onsite storage, stockholding &
scheduling

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]
For price, delivery and to place orders
HMC322
www.analog.com
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Hittite Microwave Corporation
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HMC322
v01.0907
SWITCHES - CHIP
4
GaAs MMIC SP8T NON-REFLECTIVE
SWITCH, DC - 10 GHz
Typical Applications
Features
The HMC322 is ideal for:
Broadband Performance: DC - 10.0 GHz
• Telecom Infrastructure
High Isolation: >38 dB@ 4 GHz
• Microwave Radio & VSAT
Low Insertion Loss: 2.0 dB@ 4 GHz
• Military & Space
Integrated 3:8 TTL Decoder
• Test Instrumentation
Small Size: 1.45 x 1.6 x 0.10 mm
Functional Diagram
General Description
The HMC322 is a broadband non-reflective GaAs
MESFET SP8T switch chip. Covering DC to 10 GHz,
this switch offers high isolation and low insertion
loss and extends the frequency coverage of Hittite’s
SP8T switch product line. This switch also includes
an on board binary decoder circuit which reduces
the required logic control lines to three. The switch
operates using a negative control voltage of 0/-5V,
and requires a fixed bias of -5V. All data is tested with
the chip in a 50 Ohm test fixture connected via 0.025
mm (1 mil) diameter wire bonds of 0.5 mm (20 mils)
length.
Electrical Specifi cations, TA = +25° C, With 0/-5V Control, Vee= -5V, 50 Ohm System
Parameter
4 - 14
Frequency
Insertion Loss
DC - 2.0 GHz
DC - 4.0 GHz
DC - 6.0 GHz
DC - 8 GHz
DC - 10.0 GHz
Isolation (RFC to RF1 - 8)
DC - 2.0 GHz
DC - 4.0 GHz
DC - 6.0 GHz
DC - 8 GHz
DC - 10.0 GHz
Return Loss
“On State”
DC - 10.0 GHz
Return Loss
“Off State”
DC - 10.0 GHz
Min.
40
32
27
20
18
Typ.
Max.
Units
1.9
2.0
2.1
2.2
2.4
2.3
2.4
2.5
2.6
2.8
dB
dB
dB
dB
dB
46
38
32
26
24
dB
dB
dB
dB
dB
14
dB
11
dB
Input Power for 1 dB Compression
0.5 - 10.0 GHz
19
23
dBm
Input Third Order Intercept
(Two-Tone Input Power = +7 dBm Each Tone)
0.5 - 10.0 GHz
34
38
dBm
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
DC - 10.0 GHz
50
150
ns
ns
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
HMC322
v01.0907
GaAs MMIC SP8T NON-REFLECTIVE
SWITCH, DC - 10 GHz
Insertion Loss vs. Temperature
Isolation Between RFC and Output Ports
0
RF1
RF2
RF3
RF4
RF5
RF6
RF7
RF8
-10
-1
ISOLATION (dB)
-2
-3
-30
-40
4
-50
+25 C
+85 C
-55 C
-4
-20
-60
-5
-70
0
1
2
3
4
5
6
7
8
9
10
0
1
2
3
FREQUENCY (GHz)
Return Loss
5
6
7
8
9
10
9
10
9
10
Isolation Between Output Ports
0
0
-10
RFC
RF1-8 ON
RF1-8 OFF
-5
ISOLATION (dB)
RETURN LOSS (dB)
4
FREQUENCY (GHz)
-10
-15
-20
-30
SWITCHES - CHIP
INSERTION LOSS (dB)
0
-40
-50
-20
-60
-25
-70
0
1
2
3
4
5
6
7
8
9
0
10
1
2
3
FREQUENCY (GHz)
0.1 and 1 dB Input Compression Point
5
6
7
8
Input Third Order Intercept Point
50
THIRD ORDER INTERCEPT (dBm)
28
COMPRESSION POINT (dBm)
4
FREQUENCY (GHz)
26
24
22
1.0 Compression Point
0.1dB Compression Point
20
18
45
40
35
+25 C
+85 C
-55 C
30
25
1
2
3
4
5
6
7
FREQUENCY (GHz)
8
9
10
1
2
3
4
5
6
7
8
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
4 - 15
HMC322
v01.0907
Absolute Maximum Ratings
Bias Voltage Range (Vee)
SWITCHES - CHIP
4
4 - 16
GaAs MMIC SP8T NON-REFLECTIVE
SWITCH, DC - 10 GHz
Control Voltages
-7 Vdc
Control Voltage Range
(A, B, & C)
Vee -0.5V to +1 Vdc
Storage Temperature
-65 to +150 °C
Operating Temperature
-40 to +85 °C
RF Input Power, 0.5 - 10 GHz
+26 dBm
State
Bias Condition
Low
-3V to 0 Vdc @ 25 uA Typical
High
-5 to -4.2 Vdc @ 5 uA Typical
Truth Table
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Bias Voltage & Current
Vee Range = -5 Vdc ± 10%
Control Input
Signal Path State
A
B
C
RFCOM to:
High
High
High
RF1
Low
High
High
RF2
High
Low
High
RF3
Low
Low
High
RF4
High
High
Low
RF5
Low
High
Low
RF6
Vee
(Vdc)
Iee (Typ.)
(mA)
Iee (Max.)
(mA)
High
Low
Low
RF7
-5.0
5.0
9.0
Low
Low
Low
RF8
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
HMC322
v01.0907
GaAs MMIC SP8T NON-REFLECTIVE
SWITCH, DC - 10 GHz
Outline Drawing
SWITCHES - CHIP
4
Die Packaging Information [1]
Standard
Alternate
WP-3 (Waffle Pack)
[2]
[1] Refer to the “Packaging Information” section for die
packaging dimensions.
[2] For alternate packaging information contact Hittite
Microwave Corporation.
NOTES:
1. DIMENSIONS IN INCHES [MILLIMETERS].
2. DIE THICKNESS IS 0.004”.
3. TYPICAL BOND PAD IS 0.004” SQUARE.
4. TYPICAL BOND PAD SPACING IS 0.006” CENTER TO CENTER.
5. BOND PAD METALLIZATION: GOLD.
6. BACKSIDE METALLIZATION: GOLD.
7. BACKSIDE METAL IS GROUND.
8. NO CONNECTION REQUIRED FOR UNLABELED GROUND BOND PADS.
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
4 - 17
HMC322
v01.0907
GaAs MMIC SP8T NON-REFLECTIVE
SWITCH, DC - 10 GHz
Pad Descriptions
SWITCHES - CHIP
4
Pad Number
Function
Description
1 - 7,
12 - 14
RF1, RFC,
RF8 - RF2
These pads are DC coupled and matched to 50 Ohms. Blocking capacitors are required if RF line potential is not equal to
0V.
8
A
See truth table and control voltage table.
9
B
See truth table and control voltage table.
10
C
See truth table and control voltage table.
11
Vee
Supply Voltage = -5Vdc ± 10%
Die Bottom
GND
Die bottom must be connected to RF / DC ground.
Interface Schematic
TTL Interface Circuit (Required for Each Control Input A, B and C)
Note:
Control inputs A, B, and C can be driven directly with TTL
logic with -5 Volts applied to the HCT logic gates Vee pin
and to the Vee pad of the RF Switch.
4 - 18
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
HMC322
v01.0907
GaAs MMIC SP8T NON-REFLECTIVE
SWITCH, DC - 10 GHz
Assembly Diagram
SWITCHES - CHIP
4
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 ESD strikes.
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 electrically conductive epoxy. The mounting surface should be clean
and fl at.
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).
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
4 - 19