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PE4237
Product Specification
Figure 3. Pin Configuration
Table 4. Absolute Maximum Ratings
Symbol
Parameter/Conditions
Min
Max
Units
RF2
1
6
RFC
V DD
Power supply voltage
-0.3
4.0
V
GND
2
Exposed Solder
Pad - Shorted
to Pin 2
(bottom side)
5
CTRL
V I
V CTRL
Voltage on any input
except for the CTRL input
Voltage on CTRL input
-0.3
V DD +
0.3
5.0
V
V
T ST
Storage temperature range
-65
150
°C
RF1
3
4
V DD
P IN
Input power (50 ? )
35
dBm
V ESD
ESD voltage (Human Body
Model)
250
V
Table 2. Pin Descriptions
Exceeding absolute maximum ratings may cause
permanent damage. Operation should be
Pin
No.
1
Pin
Name
RF2
Description
RF2 port. 1
Ground Connection. Traces should be
restricted to the limits in the Operating Ranges
table. Operation between operating range
maximum and absolute maximum for extended
periods may reduce reliability.
physically short and connected to the
2
GND
ground plane. This pin is connected to
the exposed solder pad that also must
be soldered to the ground plane for best
performance.
Control Logic Input
RF1 port.
3
4
5
6
RF1
V DD
CTRL
RFC
1
Nominal 3 V supply connection.
CMOS or TTL logic level:
High = RFC to RF1 signal path
Low = RFC to RF2 signal path
Common RF port for switch. 1
The control logic input pin (CTRL) is typically
driven by a 3-volt CMOS logic level signal. For
flexibility to support systems that have 5-volt
control logic drivers, the control logic input has
been designed to handle a standard 5-volt TTL
control signal. This TTL control signal input must
not exceed 5-volts or damage to the switch could
Notes: 1. All RF pins must be DC blocked with an external series
capacitor or held at 0 V DC .
result.
Table 5. Control Logic Truth Table
Control Voltage
Signal Path
Table 3. Operating Ranges
CTRL = CMOS or TTL High
RFC to RF1
Parameter
Min
Typ
Max
Units
CTRL = CMOS or TTL Low
RFC to RF2
V DD Power Supply Voltage
2.7
3.0
3.3
V
Electrostatic Discharge (ESD) Precautions
I DD Power Supply Current
(V DD = 3V, V CNTL = 3V)
T OP Operating temperature
range
-40
29
35
85
μ A
°C
When handling this UltraCMOS? device, observe
the same precautions that you would use with
other ESD-sensitive devices. Although this device
Control Voltage High
Control Voltage Low
0.7xV DD
0.3xV DD
V
V
contains circuitry to protect it from damage due to
ESD, precautions should be taken to avoid
exceeding the rating specified in Table 4.
Moisture Sensitivity Level
The Moisture Sensitivity Level rating for the
PE4237 in the 6-lead 3x3 DFN package is MSL1.
?2003-2009 Peregrine Semiconductor Corp. All rights reserved.
Latch-Up Avoidance
Unlike conventional CMOS devices, UltraCMOS?
devices are immune to latch-up.
Document No. 70-0071-06 │ UltraCMOS? RFIC Solutions
Page 2 of 8
Peregrine products are protected under one or more of the following U.S. Patents: http://patents.psemi.com
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