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Product Specification
PE4251
Product Description
The PE4251 is a HaRP?-enhanced Absorptive SPDT (single
SPDT UltraCMOS? RF Switch
10 – 3000 MHz, Absorptive
Features
pole double throw) RF Switch for use in general switching
applications and mobile infrastructure. This device offers a
flexible supply voltage of 3.3/5V, single-pin or complementary
pin control inputs, and 4kV ESD tolerance. It presents a simple
alternative solution to pin diode and mechanical relay switches.
Peregrine’s HaRP? technology enhancements deliver high
linearity and exceptional performance. It is an innovative
feature of the UltraCMOS? process, providing performance
superior to GaAs with the economy and integration of
conventional CMOS.
Figure 1. Functional Diagram
RFC
?
?
?
?
?
?
?
?
?
?
HaRP-Technology Enhanced
Low Insertion Loss: 0.60 dB @ 1000 MHz
High Isolation: 62 dB @ 1000 MHz
P1dB typical: +30.5 dBm
IIP3 typical: +59 dBm
Fast switching time: 150 ns
Flexible supply voltage: 3.3 V ±10% or 5.0
V ±10% supply (see table 3)
Excellent ESD protection: 4000 V HBM
No blocking capacitors required
Single pin or complementary control inputs
RF1
ESD
50 ?
CMOS
ESD
50 ?
RF2
Figure 2. Package Type
8-lead MSOP with exposed paddle
Control
Driver
V1
V2
Table 1. Target Electrical Specifications Temp = 25°C, V DD = 3.3 or 5.0 V
Parameter
Conditions
Min
Typical
Max
Units
Operation Frequency 1
10 MHz
10
0.55
3000
0.60
MHz
dB
Insertion Loss (RF1/RF2)
1000 MHz
2000 MHz
3000 MHz
1000 MHz
61
0.60
0.75
0.75
62
0.70
0.85
0.90
dB
dB
dB
dB
Isolation (RFC to RF1/RF2)
Return Loss
Input 1 dB Compression 2
Input IP3
2000 MHz
3000 MHz
1000 MHz
2000 MHz
3000 MHz
50 - 3000 MHz
50 - 3000 MHz, +18 dBm per tone, 5 MHz spacing
51
42
53
43
26
23
22
30.5
59
dB
dB
dB
dB
dB
dBm
dBm
Switching Time
50% CTRL to 10/90% RF
150
300
ns
Notes:
1. Device linearity will begin to degrade below 10 MHz.
2. Note Absolute Maximum rating of P IN = 27 dBm.
Document No. 70-0255-02 │ www.psemi.com
?2008-2009 Peregrine Semiconductor Corp. All rights reserved.
Page 1 of 9
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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