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PE4231
Product Specification
Figure 3. Pin Configuration (Top View)
Table 4. DC Electrical Specifications
Parameter
Min
Typ
Max
Units
V DD
CTRL
1
2
8
7
RF1
GND
V DD Power Supply
Voltage
I DD Power Supply Current
(V DD = 3V, V CNTL = 3V)
2.7
3.0
29
3.3
35
V
μ A
4231
Control Voltage High
0.7xV DD
V
GND
RFCommon
3
4
6
5
GND
RF2
Control Voltage Low
0.3xV DD
V
Table 2. Pin Descriptions
Table 5. Truth Table
Control Voltage
Signal Path
Pin
No.
1
Pin Name
V DD
Description
Nominal +3 V supply connection.
CTRL = CMOS or TTL High
CTRL = CMOS or TTL Low
RFCommon to RF1
RFCommon to RF2
2
3
CTRL
GND
CMOS or TTL logic level:
High = RFCommon to RF1 signal path
Low = RFCommon to RF2 signal path
Ground connection. Traces should be
physically short and connected to ground
The control logic input pin (CTRL) is typically
driven by a 3-volt CMOS logic level signal, and
has a threshold of 50% of V DD . For flexibility to
support systems that have 5-volt control logic
drivers, the control logic input has been designed
4
5
6
RF Common
RF2
GND
Common RF port for switch. 1
RF2 port. 1
Ground Connection. Traces should be
to handle a 5-volt logic HIGH signal. (A minimal
current will be sourced out of the V DD pin when the
control logic input voltage level exceeds V DD .)
physically short and connected to ground
Latch-Up Avoidance
7
8
GND
RF1
Ground Connection. Traces should be
physically short and connected to ground
RF1 port. 1
Unlike conventional CMOS devices, UltraCMOS?
devices are immune to latch-up.
Note 1: All RF pins must be DC blocked with an external
series capacitor or held at 0 V DC .
Electrostatic Discharge (ESD) Precautions
When handling this UltraCMOS? device, observe
the same precautions that you would use with
Table 3. Absolute Maximum Ratings
Symbol Parameter/ Min Max
Conditions
V DD Power supply voltage -0.3 4.0
Units
V
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 rating specified in Table 3.
V I
V CTRL
T ST
T OP
P IN
V ESD
Voltage on any input ex-
cept for the CTRL input
Voltage on CTRL input
Storage temperature
range
Operating temperature
range
Input power (50 ? )
ESD voltage (Human
Body Model)
-0.3
-65
-40
V DD +
0.3
5.0
150
85
33
200
V
V
°C
°C
dBm
V
?2005 Peregrine Semiconductor Corp. All rights reserved.
Document No. 70-0097-01
│ UltraCMOS? RFIC Solutions
Page 2 of 7
Peregrine products are protected under one or more of the following U.S. Patents: http://patents.psemi.com
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