HMC435MS8G
/
435MS8GE
v05.0110
SPDT NON-REFLECTIVE
SWITCH, DC - 4 GHz
Typical Applications
The HMC435MS8G(E) is ideal for:
• Basestations & Repeaters
• Cellular/3G and WiMAX/4G
• Infrastructure and Access Points
• CATV/CMTS
• Test Instrumentation
Features
High Isolation: 60 dB @ 1 GHz
50 dB @ 2 GHz
Positive Control: 0/+5V
Input IP3: 51 dBm
Non-Reflective Design
Ultra Small MSOP-86 Package: 14.8 mm
2
Functional Diagram
General Description
The HMC435MS8G(E) is a non-reflective DC to
4 GHz GaAs MESFET SPDT switch in a low cost 8
lead MSOP8G surface mount package with exposed
ground paddle. The switch is ideal for cellular/3G
and WiMAX/4G applications yielding up to 60 dB
isolation, low 0.8 dB insertion loss and +50 dBm
input IP3. Power handling is excellent up through the
3.8 GHz WiMAX band with the switch offering a P1dB
compression of +31 dBm. On-chip circuitry allows
positive voltage control of 0/+5 Volts at very low DC
currents.
11
SWITCHES - SPDT - SMT
Electrical Specifi cations,
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
11 - 122
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
v05.0110
SPDT NON-REFLECTIVE
SWITCH, DC - 4 GHz
Insertion Loss
0
Return Loss
0
-5
RETURN LOSS (dB)
-10
-15
-20
-25
-30
INSERTION LOSS (dB)
-1
RFC
RF1, RF2 OFF
RF1, RF2 ON
-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
FREQUENCY (GHz)
Isolation Between
Ports RFC and RF1 / RF2
0
-10
ISOLATION (dB)
Isolation Between Ports RF1 and RF2
0
-10
ISOLATION (dB)
11
SWITCHES - SPDT - SMT
11 - 123
-20
-30
-40
-50
-60
-70
0
0.5
1
1.5
2
RF1
RF2
-20
-30
-40
-50
-60
-70
RFC - RF1 ON
RFC - RF2 ON
2.5
3
3.5
4
0
0.5
1
1.5
2
2.5
3
3.5
4
FREQUENCY (GHz)
FREQUENCY (GHz)
0.1 and 1 dB Input Compression Point
35
Input Third Order Intercept Point
60
58
+25 C
+85 C
-40 C
COMPRESSION (dBm)
30
IP3 (dBm)
1 dB Compression Point
0.1 dB Compression Point
56
54
52
50
48
46
44
42
25
20
15
0
0.5
1
1.5
2
2.5
3
3.5
4
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
HMC435MS8G / 435MS8GE
v05.0110
SPDT NON-REFLECTIVE
SWITCH, DC - 4 GHz
Absolute Maximum Ratings
Control Voltage Range
RF Input Power Vctl = 0/+5V
RF1, RF2 Termination
Junction Temperature
Continuous Pdiss
(derate 8 mW/ °C above 85 °C)
Thermal Resistance - Insertion Loss Path
(channel to ground paddle)
Thermal Resistance - Termination Path
(channel to ground paddle)
Storage Temperature
Operating Temperature
ESD Sensitivity (HBM)
-0.5 to +7.5 Vdc
+31 dBm
+26 dBm
150 °C
0.52 W
118 °C/W
A
125 °C/W
-65 °C to +150 °C
-40 °C to +85 °C
Class 1A
Low
High
Control Voltages
*Control Input Tolerances are ± 0.2 Vdc
State
Low
High
Bias Condition*
0 Vdc @ 25 μA Typical
+5 Vdc @ 25 μA Typical
Truth Table
Control Input
B
High
Low
Signal Path State
RFC to:
RF1
RF2
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).
11
SWITCHES - SPDT - SMT
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Outline Drawing
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
11 - 124
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
v05.0110
SPDT NON-REFLECTIVE
SWITCH, DC - 4 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.
These pins are DC coupled and matched to 50 Ohms.
Blocking capacitors are required.
The pins are not connected internally; however, all
data shown herein was measured with these pins
connected to RF/DC ground externally.
Package bottom has exposed metal paddle that must
be connected to PCB RF ground as well.
3, 5, 8
RFC, RF1, RF2
4
N/C
6, 7
GND
Evaluation PCB
11
SWITCHES - SPDT - SMT
11 - 125
List of Materials for Evaluation PCB 105143
[1]
Item
J1 - J3
J4 - J7
C1 - C3
R1 - R2
U1
PCB
[2]
Description
PCB Mount SMA RF Connector
DC Pin
100 pF Capacitor, 0402 Pkg.
100 Ohm Resistor, 0402 Pkg.
HMC435MS8G(E) SPDT Switch
104122 Evaluation PCB
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Rogers 4350
The circuit board used in the 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 backside ground slug should be connected
directly to the ground plane similar to that shown
above. The evaluation circuit board shown above is
available from Hittite Microwave Corporation upon
request.
Note: Pin J6 is unused and need not be connected.
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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