Product Specification
PE4272
Product Description
The PE4272 RF Switch is designed for the TV tuner, PCTV, set
top box, DTV, DVR and general broadband applications. This
device offers industry leading broadband linearity, 1.5 kV ESD
tolerance and a simple CMOS interface. The device offers a
simple alternative solution to pin diode and mechanical relay
switches.
The PE4272 SPDT High Power RF Switch 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
RFC
SPDT Broadband UltraCMOS™
DC – 3 GHz RF Switch
Features
•
High ESD tolerance of 1.5 kV
•
Single-pin CMOS logic control
•
Low insertion loss: 0.5 dB at 1000 MHz,
0.6 dB at 2000 MHz
•
Isolation of 43 dB at 1000 MHz, 33.5 dB
at 2000 MHz
•
Typical input 1 dB compression point of
+32 dBm
•
Small 8-lead MSOP package
Figure 2. Package Type
8-lead MSOP
RF2
RF1
CMOS
Control
Driver
V
DD
CTRL
Table 1. Electrical Specifications @ +25 °C, V
DD
= 3 V
(Z
S
= Z
L
= 75
Ω
)
Parameter
Operation Frequency
1
Insertion Loss
DC – 3000
1000 MHz
2000 MHz
1000 MHz
2000 MHz
1000 MHz
2000 MHz
1000 MHz
2000 MHz
50% CTRL to 0.1 dB final value, 2 GHz
50% CTRL to 25 dB isolation, 2 GHz
41
31.5
41
32
0.5
0.6
43
33.5
43
34
19.5
16
500
500
<3
1000 MHz
1000 MHz, 20 dBm input power
30
32
52
1000
1000
0.6
0.7
Conditions
Min
Typ
Max
Units
MHz
dB
Isolation – RFC to RF1/RF2
dB
Isolation – RF1 to RF2
Return Loss
‘ON’ Switching Time
3
‘OFF’ Switching Time
3
Video Feedthrough
2,3
Input 1 dB Compression
3
Input IP3
3
Notes:
dB
dB
ns
ns
mV
pp
dBm
dBm
1. Device linearity will begin to degrade below 5 MHz.
2. Measured with a 1 ns risetime, 0/3 V pulse and 500 MHz bandwidth.
3. Measured in a 50
Ω
system.
©2005 Peregrine Semiconductor Corp. All rights reserved.
Page 1 of 11
Document No. 70-0173-03
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