HMC550 / 550E
v00.0306
GaAs MMIC SPST
FAILSAFE SWITCH, DC - 6 GHz
Typical Applications
Features
Failsafe Operation - “On” When Unpowered
Positive Control: 0/+2.2V to 0/+5V
Very Low On State Current: 200 nA
Low Insertion Loss: 0.7 dB
The HMC550 / HMC550E is ideal for:
• RFID & Electronic Toll Collection (ETC)
• Tags, Handsets & Portables
• ISM, WLAN, WiMAX & WiBro
• Automotive Telematics
High IP3: +52 dBm
8
Compact SOT26 SMT Package
• Test Equipment
Functional Diagram
General Description
The HMC550 and HMC550E are low-cost SPST
Failsafe switches in 6-lead SOT26 plastic packages
for use in switching applications which require low
insertion loss and very low current consumption. With
0.7 dB typical loss, these devices can control signals
from DC to 6.0 GHz and are especially suited for IF
and RF applications including RFID, ISM, automotive
and battery powered tags and portables. RF1 and RF2
are reflective opens when “Off”. The switch requires a
minimal amount of DC current in the “On” state, and
offers compatibility with CMOS and some TTL logic
families. The failsafe topology results in the switch
being normally “On”, i.e. low insertion loss from RF1 to
RF2, when no DC bias is applied.
Electrical Specifications
TA = +25° C, Vdd = +3.3 Vdc, Vctl = 0/+3.3 Vdc (Unless Otherwise Stated), 50 Ohm System
Parameter
Frequency
Min.
Typ.
0.7
Max.
0.9
Units
dB
Insertion Loss
Isolation
DC - 6.0 GHz
DC - 2.0 GHz
DC - 6.0 GHz
15
8
25
12
dB
dB
Return Loss
DC - 6.0 GHz
0.5 - 6.0 GHz
20
27
dB
Input Power for 0.1 dB Compression
Vctl = 0/+3.3V
Vctl = 0/+3.3V
23
dBm
Input Third Order Intercept
(Two-tone Input Power = +17 dBm Each Tone)
0.5 - 6.0 GHz
DC - 6.0 GHz
52
dBm
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
40
50
ns
ns
TA = +25° C, Vctl & Vdd Unpowered
Insertion Loss
DC - 6.0 GHz
DC - 6.0 GHz
0.5 - 6.0 GHz
0.7
20
27
0.9
dB
dB
Return Loss
Input Power for 0.1 dB Compression
23
dBm
Input Third Order Intercept
(Two-tone Input Power = +17 dBm Each Tone)
0.5 - 0.6 GHz
52
dBm
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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