HMC435MS8G
/
435MS8GE
v03.0607
SPDT NON-REFLECTIVE
SWITCH, DC - 4.0 GHz
Typical Applications
The HMC435MS8G / HMC435MS8GE is ideal for:
• Basestation Infrastructure
• MMDS & 3.5 GHz WLL
• CATV/CMTS
• Test Instrumentation
Features
High Isolation: 60 dB @ 1 GHz
50 dB @ 2 GHz
Positive Control: 0/+5V
51 dBm Input IP3
Non-Reflective Design
MS8G SMT Package, 14.8 mm
2
9
SWITCHES - SMT
Functional Diagram
General Description
The HMC435MS8G & HMC435MS8GE are non-
reflective DC to 4 GHz GaAs MESFET SPDT switches
in low cost 8 lead MSOP8G surface mount packages
with exposed ground paddles. The switch is ideal
for cellular/PCS/3G basestation applications yielding
50 to 60 dB isolation, low 0.8 dB insertion loss and
+50 dBm input IP3. Power handling is excellent
up through the 3.5 GHz WLL band with the switch
offering a P1dB compression point of +31 dBm. On-
chip circuitry allows positive voltage control of 0/+5
Volts at very low DC currents.
Electrical Specifications,
T
A
= +25° C, Vctl = 0/+5 Vdc, 50 Ohm System
Parameter
Insertion Loss
Frequency
DC - 2.5 GHz
DC - 3.6 GHz
DC - 4.0 GHz
DC - 1.0 GHz
DC - 2.0 GHz
DC - 2.5 GHz
DC - 3.6 GHz
DC - 4.0 GHz
DC - 2.5 GHz
DC - 3.6 GHz
DC - 4.0 GHz
0.5 - 4.0 GHz
0.5 - 4.0 GHz
0.5 - 1.0 GHz
0.5 - 2.5 GHz
0.5 - 4.0 GHz
DC - 4.0 GHz
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
40
60
ns
ns
56
46
43
37
30
15
13
11
16
27
48
45
41
Min.
Typ.
0.8
1.2
1.5
60
50
47
41
35
20
17
15
21
31
51
48
45
Max.
1.0
1.5
1.8
Units
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
Isolation (RFC to RF1/RF2)
Return Loss (On State)
Return Loss (Off State)
Input Power for 1 dB Compression
Input Third Order Intercept
(Two-Tone Input Power = +7 dBm Each Tone)
Switching Speed
9 - 256
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
HMC435MS8G
/
435MS8GE
v03.0607
SPDT NON-REFLECTIVE
SWITCH, DC - 4.0 GHz
Insertion Loss
0
Return Loss
0
-5
RETURN LOSS (dB)
-10
-15
-20
-25
-30
RFC
RF1, RF2 OFF
RF1, RF2 ON
INSERTION LOSS (dB)
-1
-2
+ 25C
+ 85C
- 40C
-3
-4
-5
0
0.5
1
1.5
2
2.5
3
3.5
4
FREQUENCY (GHz)
0
0.5
1
1.5
2
2.5
3
3.5
4
9
SWITCHES - SMT
FREQUENCY (GHz)
Isolation Between
Ports RFC and RF1 / RF2
0
-10
-20
-30
-40
-50
-60
-70
0
0.5
1
1.5
2
2.5
3
3.5
4
FREQUENCY (GHz)
RF1
RF2
Isolation Between Ports RF1 and RF2
0
-10
-20
-30
-40
-50
-60
-70
0
0.5
1
1.5
2
2.5
3
3.5
4
FREQUENCY (GHz)
RFC - RF1 ON
RFC - RF2 ON
ISOLATION (dB)
0.1 and 1 dB Input Compression Point
35
INPUT COMPRESSION (dBm)
Input Third Order Intercept Point
60
58
56
+25 C
+85 C
-40 C
30
INPUT IP3 (dBm)
1 dB Compression Point
0.1 dB Compression Point
ISOLATION (dB)
3
3.5
4
54
52
50
48
46
44
42
25
20
15
0
0.5
1
1.5
2
2.5
FREQUENCY (GHz)
40
0
0.5
1
1.5
2
2.5
3
3.5
4
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
9 - 25
HMC435MS8G
/
435MS8GE
v03.0607
SPDT NON-REFLECTIVE
SWITCH, DC - 4.0 GHz
Control Voltages
*Control Input Tolerances are ± 0.2 Vdc
State
Low
High
Bias Condition*
0 Vdc @ 25 μA Typical
+5 Vdc @ 25 μA Typical
Absolute Maximum Ratings
Control Voltage Range
Storage Temperature
Operating Temperature
RF Input Power Vctl = 0/+5V
ESD Sensitivity (HBM)
-0.5 to +7.5 Vdc
-65 to +150 °C
-40 to +85 °C
+31 dBm
Class 1A
Truth Table
Control Input
Signal Path State
B
High
Low
RFC to:
RF1
RF2
A
Low
High
9
SWITCHES - SMT
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
DC blocks are required at ports RFC, RF1, RF2.
Do not operate continuously at RF power input greater than
1 dB compression and do not
“Hot Switch”
power levels
greater than +24 dBm (control = 0/+5 Vdc).
9 - 258
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
HMC435MS8G
/
435MS8GE
v03.0607
SPDT NON-REFLECTIVE
SWITCH, DC - 4.0 GHz
Outline Drawing
9
SWITCHES - SMT
NOTES:
1. LEADFRAME MATERIAL: COPPER ALLOY
2. DIMENSIONS ARE IN INCHES [MILLIMETERS]
3. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.15mm PER SIDE.
4. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.25mm PER SIDE.
5. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO
PCB RF GROUND.
Package Information
Part Number
HMC435MS8G
HMC435MS8GE
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]
H435
XXXX
H435
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
9 - 25
HMC435MS8G
/
435MS8GE
v03.0607
SPDT NON-REFLECTIVE
SWITCH, DC - 4.0 GHz
Pin Descriptions
Pin Number
1
Function
A
Description
See truth and control voltage tables.
Interface Schematic
2
B
See truth and control voltage tables.
3, 5, 8
RFC, RF1, RF2
These pins are DC coupled and matched to 50 Ohms.
Blocking capacitors are required.
9
SWITCHES - SMT
4
N/C
Not Connected
6, 7
GND
Package bottom has exposed metal paddle that must
be connected to PCB RF ground as well.
9 - 260
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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