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Peregrine Semiconductor

PE4241 Datasheet Preview

PE4241 Datasheet

SPDT UltraCMOS RF Switch

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Product Description
The PE4241 UltraCMOS™ RF Switch is designed to cover a
broad range of applications from DC through 3.0 GHz. This
reflective switch integrates on-board CMOS control logic with a
low voltage CMOS-compatible control interface, and can be
controlled using either single-pin or complementary control
inputs. Using a nominal +3-volt power supply voltage, a typical
input 1 dB compression point of +27 dBm can be achieved.
The PE4241 UltraCMOS™ RF Switch is manufactured in
Peregrine’s patented Ultra Thin Silicon (UTSi®) CMOS
process, offering the performance of GaAs with the economy
and integration of conventional CMOS.
Figure 1. Functional Diagram
RFCommon
RF1 RF2
Product Specification
PE4241
SPDT UltraCMOS™ RF Switch
Features
Single-pin or complementary CMOS
logic control inputs
+3.0-volt power supply needed for
single-pin control mode
Low insertion loss: 0.7 dB at 1.0 GHz,
0.9 dB at 2.0 GHz
Isolation of 30 dB at 1.0 GHz, 21 dB at
2.0 GHz
Typical input 1 dB compression point of
+27 dBm
Ultra-small SOT23 package
Figure 2. Package Type
6-lead SOT23
CMOS
Control
Driver
CTRL CTRL or VDD
Table 1. Electrical Specifications @ +25 °C, VDD = 3 V (ZS = ZL = 50 )
Parameter
Conditions
Minimum
Typical
Maximum
Units
Operation Frequency1
Insertion Loss
Isolation
Return Loss
‘ON’ Switching Time
1000 MHz
2000 MHz
1000 MHz
2000 MHz
1000 MHz
2000 MHz
50% CTRL to 0.1 dB of final value, 1 GHz
DC
28
19
18
16
3000
MHz
0.7 0.85 dB
0.9 1.05 dB
30 dB
21 dB
20 dB
18 dB
300 ns
‘OFF’ Switching Time
50% CTRL to 25 dB isolation, 1 GHz
200 ns
Video Feedthrough2
15 mVpp
Input 1 dB Compression
2000 MHz
26 27
dBm
Input IP3
2000 MHz, 14 dBm input power
43 45
dBm
Notes: 1. Device linearity will begin to degrade below 10 MHz.
2. The DC transient at the output of any port 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.
Document No. 70-0094-01 www.psemi.com
©2005 Peregrine Semiconductor Corp. All rights reserved.
Page 1 of 8




Peregrine Semiconductor

PE4241 Datasheet Preview

PE4241 Datasheet

SPDT UltraCMOS RF Switch

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Figure 3. Pin Configuration (Top View)
pin 1
RF1 1
GND 2
RF2 3
6 CTRL or VDD
5 RFC
4 CTRL
Table 2. Pin Descriptions
Pin Pin
No. Name
Description
1 RF1 RF1 port (Note 1)
2
GND
Ground connection. Traces should be
physically short and connected to
3 RF2 RF2 port (Note 1)
4
CTRL
Switch control input, CMOS logic level.
5
RFC
Common RF port for switch (Note 1)
6 CTRL or This pin supports two interface options:
VDD Single-pin control mode. A nominal 3-
volt supply connection is required.
Complementary-pin control mode. A
complementary CMOS control signal
to CTRL is supplied to this pin. By-
passing on this pin is not required in
this mode.
Note 1: All RF pins must be DC blocked with an external series
capacitor or held at 0 VDC.
PE4241
Product Specification
Table 3. Absolute Maximum Ratings
Symbol Parameter/Conditions Min Max
VDD Power supply voltage
VI Voltage on any input
TST
TOP
PIN
VESD
Storage temperature
range
Operating temperature
range
Input power (50)
ESD voltage (Human
Body Model)
-0.3 4.0
-0.3
VDD+
0.3
-65 150
-40 85
30
1500
Units
V
V
°C
°C
dBm
V
Table 4. DC Electrical Specifications
Parameter
Min Typ Max Units
VDD Power Supply Volt-
Power Supply Current
(VDD = 3V, VCNTL = 3V)
Control Voltage High
Control Voltage Low
2.7 3.0 3.3 V
0.7x VDD
250 500 nA
0.3x VDD
V
V
Electrostatic Discharge (ESD) Precautions
When handling this UltraCMOS™ device, observe
the same precautions that you would use with
other ESD-sensitive devices. Although this device
contains circuitry to protect it from damage due to
ESD, precautions should be taken to avoid
exceeding the specified rating.
Latch-Up Avoidance
Unlike conventional CMOS devices, UltraCMOS™
devices are immune to latch-up.
©2005 Peregrine Semiconductor Corp. All rights reserved.
Page 2 of 8
Document No. 70-0094-01 UltraCMOS™ RFIC Solutions


Part Number PE4241
Description SPDT UltraCMOS RF Switch
Maker Peregrine Semiconductor
Total Page 8 Pages
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