HMC347LP3
/
347LP3E
v06.0805
GaAs MMIC SPDT NON-REFLECTIVE
SWITCH, DC - 14 GHz
Features
High Isolation: >50 dB up to 3 GHz
>45 dB up to 10 GHz
Low Insertion Loss: 1.6 dB @ 10 GHz
Non-Reflective Design
3x3 mm QFN SMT Package
Typical Applications
The HMC347LP3 / HMC347LP3E is ideal for:
• Basestation Infrastructure
• Fiber Optics & Broadband Telecom
• Microwave Radio & VSAT
• Military Radios, Radar, & ECM
• Test Instrumentation
Functional Diagram
General Description
The HMC347LP3 & HMC347LP3E are broadband
high isolation non-reflective GaAs MESFET SPDT
switches in low cost leadless QFN surface mount
plastic packages. Covering DC to 14 GHz, the switch
offers high isolation and low insertion loss. The switch
features >50 dB isolation up to 3 GHz and >40 dB
isolation up to 13 GHz. The switch operates using
complementary negative control voltage logic lines of
-5/0V and requires no bias supply. This SPDT is an
excellent alternative to the HMC132C8 SPDT.
10
SWITCHES - SMT
Parameter
Electrical Specifi cations,
T
A
= +25° C, With 0/-5V Control, 50 Ohm System
Frequency
DC - 3.0 GHz
DC - 6.0 GHz
DC - 12.0 GHz
DC - 14.0 GHz
DC - 3.0 GHz
DC - 6.0 GHz
DC - 12.0 GHz
DC - 14.0 GHz
“On State”
“Off State”
DC - 6.0 GHz
DC - 14.0 GHz
DC - 6.0 GHz
DC - 14.0 GHz
0.5 - 14.0 GHz
0.5 - 14.0 GHz
49
41
39
33
10
8
7
6
19
38
Min.
Typ.
1.5
1.6
1.6
1.9
53
46
44
38
13
13
10
9
23
43
Max.
1.9
2.0
2.1
2.4
Units
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
Insertion Loss
Isolation
Return Loss
Return Loss RF1, RF2
Input Power for 1 dB Compression
Input Third Order Intercept
(Two-Tone Input Power= +7 dBm Each Tone)
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
DC - 14 GHz
3
6
ns
ns
10 - 226
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
HMC347LP3
/
347LP3E
v06.0805
GaAs MMIC SPDT NON-REFLECTIVE
SWITCH, DC - 14 GHz
Insertion Loss
0
Isolation
0
-10
INSERTION LOSS (dB)
-1
ISOLATION (dB)
-20
-30
-40
-50
-60
-5
0
5
10
FREQUENCY (GHz)
15
20
-70
0
5
10
FREQUENCY (GHz)
15
20
RF1
RF2
-2
+25 C
+85 C
-40 C
-3
-4
10
SWITCHES - SMT
10 - 227
Return Loss
0
RFC
RF1,RF2 ON
RF1,RF2 OFF
0.1 and 1 dB Input Compression Point
30
1 dB Compression Point
0.1 dB Compression Point
-5
RETURN LOSS (dB)
-10
INPUT P1dB (dBm)
25
20
-15
15
-20
-25
0
5
10
FREQUENCY (GHz)
15
20
10
0
2
4
6
8
10
12
14
16
FREQUENCY (GHz)
Input Third Order Intercept Point
50
45
INPUT IP3 (dBm)
40
35
+25C
-40C
+85C
30
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
HMC347LP3
/
347LP3E
v06.0805
GaAs MMIC SPDT NON-REFLECTIVE
SWITCH, DC - 14 GHz
Absolute Maximum Ratings
RF Input Power (Vctl = -5V)
Control Voltage Range (A & B)
Hot Switch Power Level
(Vctl = -5 V)
Channel Temperature
Continuous Pdiss (T=85 °C)
(derate 2mW/ °C above 85 °C)
Thermal Resistance
(Insertion Loss Path)
Thermal Resistance
(Terminated Path)
Storage Temperature
+27 dBm
+0.5V to -7.5 Vdc
+23 dBm
150 °C
0.12 W
440 °C/W
540 °C/W
Control Voltages
State
Low
High
Bias Condition
0 to -0.5V @ 10 uA Max.
-5V @ 10 uA Typ. to -7V @ 40 uA Typ. (± 0.5 Vdc)
Truth Table
Control Input
A
High
Low
B
Low
High
Signal Path State
RFC to RF1
On
Off
RFC to RF2
Off
On
-65 to +150 °C
-55 to +85 °C
Class 1A
10
SWITCHES - SMT
Operating Temperature
ESD Sensitivity (HBM)
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
10 - 228
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
HMC347LP3
/
347LP3E
v06.0805
GaAs MMIC SPDT NON-REFLECTIVE
SWITCH, DC - 14 GHz
Outline Drawing
10
NOTES:
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 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
HMC347LP3
HMC347LP3E
Package Body Material
Low Stress Injection Molded Plastic
RoHS-compliant Low Stress Injection Molded Plastic
Lead Finish
Sn/Pb Solder
100% matte Sn
MSL Rating
MSL1
MSL1
[1]
Package Marking
[3]
347
XXXX
347
XXXX
[2]
[1] Max peak reflow temperature of 235 °C
[2] Max peak reflow temperature of 260 °C
[3] 4-Digit lot number XXXX
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 - 229
SWITCHES - SMT
HMC347LP3
/
347LP3E
v06.0805
GaAs MMIC SPDT NON-REFLECTIVE
SWITCH, DC - 14 GHz
Suggested Driver Circuit
10
SWITCHES - SMT
Pin Descriptions
Pin Number
1, 5, 9, 12, 16
Function
N/C
Description
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.
This pin is DC coupled and matched to 50 Ohm. Blocking
capacitors are required if RF line potential is not equal to 0V.
See truth table and control voltage table.
Interface Schematic
2, 4, 6, 8, 13, 15
GND
3, 7, 14
RFC, RF1, RF2
10
CTLB
11
CTLA
See truth table and control voltage table.
10 - 230
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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