HMC241LP3
/
241LP3E
v01.0905
GaAs MMIC SP4T NON-REFLECTIVE
SWITCH, DC - 4 GHz
Typical Applications
The HMC241LP3 / HMC241LP3E is ideal for:
• Base Stations & Repeaters
• WLAN, WiMAX & WiBro
• CATV / DBS
• Test Equipment
Features
High Isolation: 43 dB @ 2 GHz
Low Insertion Loss: 0.7 dB @ 2 GHz
Single Positive Supply: Vdd = +5V
Integrated 2:4 TTL Decoder
3x3 mm SMT Package
Functional Diagram
General Description
The HMC241LP3 & HMC241LP3E are general pur-
pose non-reflective SP4T switches in low cost lead-
less surface mount packages. Covering DC - 4 GHz,
this switch offers high isolation and has a low insertion
loss of 0.7 dB at 2 GHz. The switch offers a single
positive bias and true TTL/CMOS compatibility. A
2:4 decoder is integrated on the switch requiring
only 2 control lines and a positive bias to select each
path, replacing 4 to 8 control lines normally required
by GaAs SP4T switches.
10
SWITCHES - SMT
Electrical Specifi cations,
T
A
= +25° C, For TTL Control and Vdd = +5V in a 50 Ohm System
Parameter
Frequency
DC - 1.0 GHz
DC - 2.0 GHz
DC - 2.5 GHz
DC - 4.0 GHz
DC - 1.0 GHz
DC - 2.0 GHz
DC - 2.5 GHz
DC - 4.0 GHz
“On State”
RF1-4 “Off State”
DC - 2.5 GHz
DC - 4.0 GHz
0.3 - 4.0 GHz
0.3 - 4.0 GHz
0.3 - 4.0 GHz
0.3 - 4.0 GHz
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
40
100
ns
ns
40
38
35
25
Min.
Typ.
0.6
0.7
0.9
1.2
45
43
40
30
18
12
12
26
45
Max.
0.9
1.0
1.2
1.5
Units
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
Insertion Loss
Isolation
Return Loss
Return Loss
Input Power for 1dB Compression
Input Third Order Intercept
(Two-Tone Input Power = +7 dBm Each Tone)
Switching Characteristics
10 - 108
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
HMC241LP3
/
241LP3E
v01.0905
GaAs MMIC SP4T NON-REFLECTIVE
SWITCH, DC - 4 GHz
Insertion Loss
0
Isolation
0
-10
RF1
RF2
RF3
RF4
INSERTION LOSS (dB)
-1
ISOLATION (dB)
5
6
-20
-30
-40
-50
-60
-5
0
1
2
3
4
FREQUENCY (GHz)
-70
0
1
2
3
-2
+25 C
+85 C
-40 C
-3
-4
4
5
6
FREQUENCY (GHz)
10
SWITCHES - SMT
Return Loss
0
-5
RETURN LOSS (dB)
-10
-15
-20
-25
-30
-35
0
1
2
3
4
5
6
FREQUENCY (GHz)
RFC
RF1-4 ON
RF1-4 OFF
Bias Voltage & Current
Vdd Range = +5.0 Vdc ± 10%
Vdd
(Vdc)
+5.0
Idd (Typ.)
(mA)
2.7
Idd (Max.)
(mA)
5.0
Truth Table
Control Input
A
LOW
HIGH
LOW
HIGH
B
LOW
LOW
HIGH
HIGH
Signal Path State
RFC to:
RF1
RF2
RF3
RF4
TTL/CMOS Control Voltages
State
Low
High
Bias Condition
0 to +0.8 Vdc @ 5uA Typ.
+2.0 to +5.0 Vdc @ 70 uA Typ.
NOTE: DC Blocking capacitors are required at ports RFC
and RF1, 2, 3, 4.
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
10 - 109
HMC241LP3
/
241LP3E
v01.0905
GaAs MMIC SP4T NON-REFLECTIVE
SWITCH, DC - 4 GHz
Absolute Maximum Ratings
Bias Voltage Range (Vdd)
Control Voltage Range (A & B)
Channel Temperature
Thermal Resistance
(Insertion Loss Path)
Thermal Resistance
(Terminated Path)
Storage Temperature
Operating Temperature
Maximum Input Power
Vdd = +5 Vdc
+7.0 Vdc
-0.5V to Vdd +1 Vdc
150 °C
200 °C/W
240 °C/W
-65 to +150 °C
-40 to +85 °C
+20 dBm (0.05 - 0.5 GHz)
+27 dBm (0.5 - 4.0 GHz)
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
10
SWITCHES - SMT
1. LEADFRAME MATERIAL: COPPER ALLOY
2. DIMENSIONS ARE IN INCHES [MILLIMETERS]
3. LEAD SPACING TOLERANCE IS NON-CUMULATIVE
4. PAD BURR LENGTH SHALL BE 0.15mm MAXIMUM.
PAD BURR HEIGHT SHALL BE 0.05mm MAXIMUM.
5. PACKAGE WARP SHALL NOT EXCEED 0.05mm.
6. ALL N/C LEADS, GROUND LEADS AND GROUND PADDLE MUST
BE SOLDERED TO PCB RF GROUND.
7. REFER TO HITTITE APPLICATION NOTE FOR SUGGESTED
LAND PATTERN.
Package Information
Part Number
HMC241LP3
HMC241LP3E
Package Body Material
Low Stress Injection Molded Plastic
RoHS-compliant Low Stress
Injection Molded Plastic
Leadframe Plating
Sn/Pb Solder
100% Matte Tin
MSL Rating
MSL1
MSL1
[1]
Package Marking
[3]
241
XXXX
241
XXXX
[2]
[1] Max peak reflow temperature of 235 °C
[2] Max peak reflow temperature of 260 °C
[3] 4-Digit lot number XXXX
10 - 110
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
HMC241LP3
/
241LP3E
v01.0905
GaAs MMIC SP4T NON-REFLECTIVE
SWITCH, DC - 4 GHz
Pin Descriptions
Pin Number
1, 4,
9, 12, 15
2, 3,
10, 11, 13
Function
RF4, RF3,
RF2, RF1, RFC
Description
This Pin is DC coupled and matched to 50 Ohm.
Blocking capacitors are required.
This pin should be connected to PCB RF
ground to maximize isolation.
Package bottom has exposed metal paddle that must
also be connected to PCB RF ground.
Interface Schematic
N/C
5, 14, 16
GND
6
Vdd
Supply Voltage +5V ± 10%
7
B
See truth table and control voltage table.
10
SWITCHES - SMT
10 - 111
8
A
See truth table and control voltage table.
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
HMC241LP3
/
241LP3E
v01.0905
GaAs MMIC SP4T NON-REFLECTIVE
SWITCH, DC - 4 GHz
Evaluation PCB
10
SWITCHES - SMT
List of Materials for Evaluation PCB 108333
[1]
Item
J1 - J7
J8 - J11
C1 - C7
C8
U1
PCB
[2]
Description
PCB Mount SMA RF Connector
DC Pin
100 pF Capacitor, 0402 Pkg.
10k pF Capacitor, 0603 Pkg.
HMC241LP3 / HMC241LP3E SP4T Switch
104708 Evaluation PCB
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Rogers 4350
The circuit board used in the final application should
be generated with proper RF circuit design tech-
niques. Signal lines at the RF port should have 50
ohm impedance and the package ground leads and
package bottom should be connected directly to the
ground plane similar to that shown above. The eval-
uation circuit board shown above is available from
Hittite Microwave Corporation upon request.
10 - 112
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
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