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Product Specification
PE4246
Product Description
The PE4246 RF Switch is designed to cover a broad range of
applications from 1 to 5000 MHz. It is non-reflective at both
RF1 and RF2 ports. This SPST switch integrates a single-pin
CMOS control interface, and provides low insertion loss while
operating with extremely low bias from a single +3-volt supply.
In a typical application, the high isolation PE4246 can replace
multiple RF switches of lesser isolation performance. It is
offered in a small 3x3 mm DFN package.
The PE4246 is manufactured on Peregrine’s UltraCMOS?
process, a patented variation of silicon-on-insulator (SOI)
technology on a sapphire substrate, offering the performance
of GaAs with the economy and integration of conventional
CMOS.
Figure 1. Functional Diagram
Peregrine Specification 71/0008
Absorptive SPST UltraCMOS?
RF Switch: 1 - 5000 MHz
Features
? Non-reflective 50-ohm RF switch
? 50-ohm (0.25 watt) terminations
? High isolation: 55 dB at 1000 MHz,
48 dB at 3000 MHz
? Low insertion loss: 0.8 dB at 1000 MHz,
0.9 dB at 3000 MHz
? High linearity: +33 dBm input 1dB
compression point
? CMOS/TTL single-pin control
? Single +3-volt supply operation
? Extremely low bias: 33 μ A @ 3 V
? Available in a 6-lead DFN package
Figure 2. Package Type
RF1
ESD
ESD
RF2
6-lead DFN
50 ?
CMOS
50 ?
Control
Driver
CTRL
Table 1. Electrical Specifications @ +25 °C, V DD = 3 V (ZS = ZL = 50 ? )
Parameter
Operation Frequency
Operating Power
Insertion Loss
Isolation
1
Condition
CTRL=1/CTRL=0
1-2000 MHz
2000-3000 MHz
3000-4000 MHz
4000-5000 MHz
1-2000 MHz
2000-3000 MHz
3000-4000 MHz
4000-5000 MHz
Minimum
1
49
45
43
40
Typical
0.8
0.9
1.0
1.3
55
48
46
44
Maximum
5000
30/24
1.0
1.1
1.3
1.8
Units
MHz
dBm
dB
dB
dB
dB
dB
dB
dB
dB
Return Loss
Input 1 dB Compression 3
Input IP3
Video Feedthrough 2
Switching Time
1-5000 MHz
1-5000 MHz
1-5000 MHz
11
30
50
20
33
2
15
dB
dBm
dBm
mV pp
μs
Notes: 1. Device linearity will begin to degrade below 1 MHz.
2. The DC transient at the output of the switch when the control voltage is switched from Low to High or High to Low in a 50 ? test set-up,
measured with 1ns risetime pulses and 500 MHz bandwidth.
3. Note Absolute Maximum ratings in Table 3.
Document No. 70-0090-09 │ www.psemi.com
?2003-2010 Peregrine Semiconductor Corp. All rights reserved.
Page 1 of 8
Logo updated under non-rev change. Peregrine products are protected under one or more of the following U.S. Patents: http://patents.psemi.com
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