HMC154S8
/
154S8E
v02.0805
GaAs MMIC SMT LOW DISTORTION
T/R SWITCH, DC - 2.5 GHz
Typical Applications
The HMC154S8 / HMC154S8E is ideal for:
• MMDS & WirelessLAN
• Basestation Infrastructure
• Portable Wireless
Features
High Third Order Intercept: +60 dBm
Single Positive Supply: +3 to +10V
High RF Power Capability
TTL/CMOS Control
Functional Diagram
General Description
The HMC154S8 & HMC154S8E are low-cost SPDT
switches in 8-lead SOIC packages for use in transmit-
receive applications which require very low distortion
at high signal power levels. The device can control
signals from DC to 2.5 GHz and is especially suited for
900 MHz and 1.8 - 2.2 GHz applications. The design
provides exceptional intermodulation performance;
providing a +60dBm third order intercept at 8 Volt bias.
RF1 and RF2 are reflective shorts when “Off”. On-chip
circuitry allows single positive supply operation at very
low DC current with control inputs compatible with
CMOS and most TTL logic families.
14
SWITCHES - SMT
Electrical Specifications,
T
A
= +25° C, Vdd = +5 Vdc, 50 Ohm System
Parameter
Insertion Loss
Frequency
DC - 1.0 GHz
DC - 2.0 GHz
DC - 2.5 GHz
DC - 1.0 GHz
DC - 2.0 GHz
DC - 2.5 GHz
DC - 1.0 GHz
DC - 2.0 GHz
DC - 2.5 GHz
0/8V Control
0/8V Control
0.5 - 1.0 GHz
0.5 - 2.0 GHz
0.5 - 1.0 GHz
0.5 - 2.0 GHz
DC - 2.5 GHz
22
19
15
20
14
10
35
34
55
54
Min.
Typ.
0.5
0.7
1.0
25
22
18
30
18
13
39
38
60
60
10
24
Max.
0.7
0.9
1.3
Units
dB
dB
dB
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
dBm
ns
ns
Isolation
Return Loss
Input Power for 1 dB Compression
Input Third Order Intercept
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
14 - 2
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
HMC154S8
/
154S8E
v02.0805
GaAs MMIC SMT LOW DISTORTION
T/R SWITCH, DC - 2.5 GHz
Insertion Loss
0
-1
-2
-3
-4
-5
0
1
2
FREQUENCY (GHz)
3
4
Isolation
0
INSERTION LOSS (dB)
-10
ISOLATION (dB)
-20
-30
-40
0
1
2
3
FREQUENCY (GHz)
4
Return Loss
0
14
SWITCHES - SMT
10
12
RETURN LOSS (dB)
-10
-20
-30
-40
0
1
2
FREQUENCY (GHz)
3
4
Input Power for 0.1 and 1.0 dB
Compression vs. Bias Voltage
45
1dB at 900MHz
COMPRESSION (dBm)
1db at 1900MHz
40
Input Third Order
Intercept vs. Bias Voltage
65
60
900MHz
IP3 (dBm)
55
50
45
40
35
1900MHz
35
0.1dB at 900MHz
30
0.1dB at 1900MHz
25
2
4
6
8
BIAS (Volts)
10
12
2
4
6
8
BIAS (Volts)
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
14 - 3
HMC154S8
/
154S8E
v02.0805
GaAs MMIC SMT LOW DISTORTION
T/R SWITCH, DC - 2.5 GHz
Compression vs. Bias Voltage
Carrier at 900 MHz
Bias
Vdd
(Volts)
3
4
5
8
10
Input Power for
0.1 dB Com-
pression
(dBm)
27
30
32
36
37
Input Power
for 1.0 dB
Compression
(dBm)
31
34
36
39
40
Carrier at 1900 MHz
Input Power for
0.1 dB
Compression
(dBm)
26
29
31
35
36
Input Power
for 1.0 dB
Compression
(dBm)
30
33
35
38
39
Caution:
Do not operate in 1dB compression at power
levels above +35dBm and do not “hot switch”
power levels greater than +23dBm (Vdd = +5V).
Distortion vs. Bias Voltage
14
SWITCHES - SMT
1 Watt Carrier at 900 MHz
Bias
Vdd
(Volts)
3
4
5
8
10
Third
Order
Intercept
(dBm)
43
48
53
60
60
Second
Order
Intercept
(dBm)
71
85
90
90
90
Second
Harmonic
(dBc)
45
55
56
58
59
1 Watt Carrier at 1900 MHz
Third
Order
Intercept
(dBm)
42
46
51
60
60
Second
Order
Intercept
(dBm)
78
88
87
90
90
Second
Harmonic
(dBc)
55
65
58
59
60
Truth Table
*Control Input Voltage Tolerances are ± 0.2 Vdc.
Bias
Vdd (Vdc)
3
3
3
5
5
5
10
10
10
5
5
Control Input*
A
(Vdc)
0
0
Vdd
0
0
Vdd
0
0
Vdd
-Vdd
Vdd
B
(Vdc)
0
Vdd
0
0
Vdd
0
0
Vdd
0
Vdd
-Vdd
Bias Current
Idd
(uA)
30
25
25
110
115
115
380
495
495
600
600
Control Current
Ia
(uA)
-15
-25
0
-55
-100
-15
-190
-275
-220
-600
225
Control Current
Ib
(uA)
-15
0
-25
-55
-15
-100
-190
-220
-275
225
-600
Signal Path State
RF to RF1
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
ON
OFF
RF to RF2
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
ON
14 - 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
HMC154S8
/
154S8E
v02.0805
GaAs MMIC SMT LOW DISTORTION
T/R SWITCH, DC - 2.5 GHz
Absolute Maximum Ratings
Bias Voltage Range (Vdd)
Control Voltage Range (A & B)
Storage Temperature
Operating Temperature
ESD Sensitivity (HBM)
-0.2 to +12 Vdc
-0.2 to Vdd Vdc
-65 to +150 °C
-40 to +85 °C
Class 1A
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Outline Drawing
14
SWITCHES - SMT
Package Marking
[3]
HMC154
XXXX
HMC154
XXXX
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 MUST BE SOLDERED TO PCB RF GROUND.
Package Information
Part Number
HMC154S8
HMC154S8E
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]
[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
14 - 5
HMC154S8
/
154S8E
v02.0805
GaAs MMIC SMT LOW DISTORTION
T/R SWITCH, DC - 2.5 GHz
Typical Application Circuit
14
SWITCHES - SMT
Notes:
1. Set logic gate and switch Vdd = +3V to +5V and use HCT series logic to provide a TTL driver interface.
2. Control inputs A/B can be driven directly with CMOS logic (HC) with Vdd of 3 to 8 Volts applied to the CMOS
logic gates and to pin 4 of the RF switch.
3. DC Blocking capacitors are required for each RF port as shown. Capacitor value determines lowest frequency
of operation.
4. Highest RF signal power capability is achieved with V set to +10V. The switch will operate properly (but at lower
RF power capability) at bias voltages down to +3V.
14 - 6
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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