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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 apps@hittite.com
SWITCHES - SP4T - SMT
1
HMC641ALC4
v00.0713
GaAs MMIC SP4T NON-REFLECTIVE
SWITCH, DC - 20 GHz
General Description
Features
Functional Diagram
The HMC641ALC4 is a broadband non-reflective
GaAs pHEMT SP4T switch in a compact 4x4 mm
ceramic package. Covering DC to 20 GHz, this switch
offers high isolation, low insertion loss and on-chip
termination of isolated ports. This switch also includes
an on board binary decoder circuit which reduces
the number of required logic control lines from four to
two. The HMC641ALC4 is controlled with 0/ -5V logic,
exhibits fast switching speed and consumes much
less DC current than pin diode based solutions.
Broadband Performance: DC - 20 GHz
High Isolation: 42 dB @ 12 GHz
Low Insertion Loss: 2.1 dB @ 12 GHz
Integrated 2:4 TTL Decoder
24 Lead 4x4mm SMT Package: 16mm²
Electrical Specifications, TA = +25° C, With 0/-5V Control, Vss = -5V, 50 Ohm System
Typical Applications
The HMC641ALC4 is ideal for:
• Telecom Infrastructure
• Microwave Radio & VSAT
• Military & Space Hybrids
• Test Instrumentation
• SATCOM & Sensors
Parameter Frequency Min. Typ. Max. Units
Insertion Loss DC - 12 GHz
DC - 20 GHz
1.8
2.3
2.8
3.5
dB
dB
Isolation (RFC to RF1 - RF4) DC - 12 GHz
DC - 20 GHz
30
30
42
40
dB
dB
Return Loss “On State” DC - 12 GHz
DC - 20 GHz
18
17
dB
dB
Return Loss “Off State” DC - 20 GHz 19 dB
Input Power for 1 dB Compression 0.05 - 0.25 GHz
0.25- 20 GHz
10
20
15
25
dBm
dBm
Input Third Order Intercept
(Two-Tone Input Power= +10 dBm Each Tone)
0.05 - 0.25 GHz
0.25 - 20 GHz
32
41
dBm
dBm
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
DC - 20 GHz 30
100
ns
ns
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
For price, delivery, and to place orders: Analog Devices, Inc.,
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
ANALOG DEVICES Rons/ Q?)
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 apps@hittite.com
SWITCHES - SP4T - SMT
2
HMC641ALC4
v00.0713
GaAs MMIC SP4T NON-REFLECTIVE
SWITCH, DC - 20 GHz
Input Third Order Intercept
Point @ 10 dBm Tone Power
Return Loss 1 dB Input Compression Point
Insertion Loss vs. Temperature Isolation
-5
-4
-3
-2
-1
0
0 4 8 12 16 20 24
+25 C +85 C -40 C
INSERTION LOSS (dB)
FREQUENCY (GHz)
-80
-70
-60
-50
-40
-30
-20
-10
0
0 4 8 12 16 20 24
RF1
RF2
RF3
RF4
ISOLATION (dB)
FREQUENCY (GHz)
-35
-30
-25
-20
-15
-10
-5
0
0 4 8 12 16 20 24
RFC
RF1,2,3,4 On
RF1,2,3,4 Off
RETURN LOSS (dB)
FREQUENCY (GHz)
10
15
20
25
30
0 2 4 6 8 10 12 14 16 18 20
INPUT COMPRESSION POINT (dBm)
FREQUENCY (GHz)
15
20
25
30
35
40
45
50
0 5 10 15 20
IP3 (dBm)
FREQUENCY (GHz)
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
For price, delivery, and to place orders: Analog Devices, Inc.,
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
ANALOG DEVICES RnflSv/
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 apps@hittite.com
SWITCHES - SP4T - SMT
3
HMC641ALC4
v00.0713
GaAs MMIC SP4T NON-REFLECTIVE
SWITCH, DC - 20 GHz
Truth TableAbsolute Maximum Ratings
Bias Voltage & Current
Control Input Signal Path State
A B RFC to:
High High RF1
Low High RF2
High Low RF3
Low Low RF4
Vss Range= -5.0 Vdc ±10%
Vss
(Vdc)
Iss (Typ)
(mA)
Iss (Max)
(mA)
-5 1. 8 5.0
Bias Voltage (Vss) -7V
Control Voltage Range (A & B) Vss -0.5V to +1V
Maximum Input Power
Insertion Loss Path
Terminated Path
+26.5 dBm
+23 dBm
Channel Temperature 150 °C
Thermal Resistance
Channel to die bottom
Insertion Loss Path
Terminated Path
201 °C/W
321 °C/W
Storage Temperature -65 to +150 °C
Operating Temperature -40 to +85 °C
TTL/CMOS Control Voltages
State Bias Condition
Low -2.5V to 0V @ 30 µA Typ.
High -5V to -3.8V @ 0.5 µA Typ.
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
For price, delivery, and to place orders: Analog Devices, Inc.,
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
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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 apps@hittite.com
SWITCHES - SP4T - SMT
4
HMC641ALC4
v00.0713
GaAs MMIC SP4T NON-REFLECTIVE
SWITCH, DC - 20 GHz
Outline Drawing
NOTES:
1. PACKAGE BODY MATERIAL: ALUMINA
2. LEAD AND GROUND PADDLE PLATING: 30-80 MICROINCHES GOLD OVER
50 MICROINCHES MINIMUM NICKEL.
3. DIMENSIONS ARE IN INCHES [MILLIMETERS].
4. LEAD SPACING TOLERANCE IS NON-CUMULATIVE
5. PACKAGE WARP SHALL NOT EXCEED 0.05mm DATUM -C-
6. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED
TO PCB RF GROUND.
Package Information
Part Number Package Body Material Lead Finish MSL Rating Package Marking [2]
HMC641ALC4 Alumina, White Gold over Nickel MSL3 [1] H641A
XXXX
[1] Max peak reflow temperature of 260 °C
[2] 4-Digit lot number XXXX
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
For price, delivery, and to place orders: Analog Devices, Inc.,
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
ANALOG DEVICES magi v 1: TLA J $39k TLE L
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 apps@hittite.com
SWITCHES - SP4T - SMT
5
HMC641ALC4
v00.0713
GaAs MMIC SP4T NON-REFLECTIVE
SWITCH, DC - 20 GHz
Pin Descriptions
Pin Number Function Description Interface Schematic
1, 5, 6, 13, 18 N/C
These pins are not connected internally; however, all data
shown herein was measured with these pins connected to
RF/DC ground externally.
2, 4, 7, 9, 10, 12,
17, 19, 21, 22, 24
Ground Paddle
GND These pins and the exposed ground paddle
must be connected to RF/DC ground.
3, 8, 11, 20, 23 RFC, RF1, RF2,
RF3, RF4
These pads are DC coupled and matched to
50 Ohms. Blocking capacitors are required if
RF line potential is not equal to 0V.
14 Vss Supply Voltage -5 Vdc ± 10%.
15 CTLB See Truth Table and Control Voltage Table.
16 CTLA See Truth Table and Control Voltage Table.
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
For price, delivery, and to place orders: Analog Devices, Inc.,
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D
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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 apps@hittite.com
SWITCHES - SP4T - SMT
6
HMC641ALC4
v00.0713
GaAs MMIC SP4T NON-REFLECTIVE
SWITCH, DC - 20 GHz
Evaluation PCB
List of Materials for Evaluation PCB EVAL01 - HMC641ALC4 [1]
Item Description
J1 - J5 PCB Mount SMA Connector
J6 - J9 DC Pin
C1 1000 pF Capacitor, 0402 Pkg.
U1 HMC641ALC4 Switch
PCB [2] 600-00782-00-1 Evaluation PCB
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Rogers 4350 or Arlon FR4
The circuit board used in the application should
use RF circuit design techniques. Signal lines
should have 50 Ohm impedance while the package
ground leads and exposed paddle should be con-
nected directly to the ground plane similar to that
shown. A sufficient number of via holes should be
used to connect the top and bottom ground planes.
The evaluation board should be mounted to an
appropriate heat sink. The evaluation circuit board
shown is available from Hittite upon request.
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
For price, delivery, and to place orders: Analog Devices, Inc.,
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
Phone: 781-329-4700 • Order online at www.analog.com
Application Support: Phone: 1-800-ANALOG-D