HMC545 / 545E
v00.0905
GaAs MMIC SPDT
SWITCH, DC - 3 GHz
Typical Applications
Features
Low Insertion Loss: 0.25 dB
High Input IP3: +65 dBm
The HMC545 / HMC545E is ideal for:
• Cellular/3G Infrastructure
• Private Mobile Radio Handsets
• WLAN, WiMAX & WiBro
• Automotive Telematics
Low DC Power Consumption
Positive Control: 0/+3V to 0/+8V
Ultra Small Package: SOT26
• Test Equipment
Functional Diagram
General Description
The HMC545 and HMC545E are low-cost SPDT
switches in 6-lead SOT26 plastic packages for use
in general switching applications which require
very low insertion loss and very small size. With
0.25 dB typical loss, these devices can control sig-
nals from DC to 3.0 GHz and are especially suited
for IF and RF applications including Cellular/3G,
ISM, automotive and portables. The design provides
exceptional insertion loss performance, ideal for filter
and receiver switching. RF1 and RF2 are reflective
shorts when “Off”. The two control voltages require a
minimal amount of DC current and offer compatibility
with CMOS and some TTL logic families.
10
Electrical Specifications
TA = +25° C, Vctl = 0/+5 Vdc (Unless Otherwise Stated), 50 Ohm System
Parameter
Frequency
Min.
Typ.
Max.
Units
DC - 1.0 GHz
DC - 2.5 GHz
DC - 3.0 GHz
0.25
0.3
0.4
0.4
0.5
0.7
dB
dB
dB
Insertion Loss
Isolation
DC - 2.2 GHz
DC - 2.5 GHz
DC - 3.0 GHz
26
22
20
31
27
24
dB
dB
dB
DC - 1.0 GHz
DC - 2.0 GHz
DC - 2.5 GHz
DC - 3.0 GHz
25
21
19
17
dB
dB
dB
dB
Return Loss
Vctl = 0/+3V
Vctl = 0/+5V
Vctl = 0/+8V
23
29
32
27
33
36
dBm
dBm
dBm
Input Power for 1 dB Compression
0.5 - 3.0 GHz
Vctl = 0/+3V
Vctl = 0/+5V
Vctl = 0/+8V
45
65
65
dBm
dBm
dBm
Input Third Order Intercept
(Two-tone Input Power = +17 dBm Each Tone)
0.5 - 3.0 GHz
DC - 3.0 GHz
Switching Characteristics
tRISE, tFALL (10/90% RF)
tON, tOFF (50% CTL to 10/90% RF)
70
90
ns
ns
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