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Peregrine Semiconductor

PE4232 Datasheet Preview

PE4232 Datasheet

SPST CATV UltraCMOS Switch

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Product Description
The PE4232 is a is a high-isolation Switch designed for CATV
applications, covering a broad frequency range from near DC
up to 1300 MHz. This single-supply SPST switch offers a
single-pin CMOS control interface with industry leading CTB
performance. It also provides low insertion loss, high isolation
and extremely low bias requirements while operating on a
single 3-volt supply. In a typical CATV application, the PE4232
provides for a cost effective and manufacturable solution vs.
mechanical relays.
The PE4232 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
RF1 RF2
Product Specification
PE4232
SPST CATV UltraCMOS™ Switch
Features
Non-reflective 75 switch
Integrated 0.25 watt terminations
CTB performance of 100 dBc
High isolation: 90 dB at 5 MHz,
53 dB at 1000 MHz
Low insertion loss: 0.5 dB at 5 MHz,
0.75 dB at 1000 MHz
High input IP2: 80 dBm
CMOS/TTL single-pin control
Single +3-volt supply operation
Extremely low bias: 33 µA @ 3 V
Figure 2. Package Type
6-lead DFN
75
CMOS
75
Control
Driver
CTRL
Table 1. Electrical Specifications @ +25 °C (ZS = ZL = 75 )
Parameter
Operating Frequency1
Condition
Minimum
DC
Operating Power
Insertion Loss
Isolation
Return Loss
Input 1 dB Compression2,4
CTB / CSO
Input IP22
Input IP32
Video Feedthrough3
On / Off
DC – 50 MHz
1000 MHz
DC – 50 MHz
1000 MHz
5 - 1000 MHz
1000 MHz
77 & 110 channels;
PO = 44 dBmV
1000 MHz
1000 MHz
75
50
14
30
80
50
Switching Time
Notes: 1. Device linearity will begin to degrade below 1 MHz.
2. Measured in a 50 system.
3. Measured with a 1 ns risetime, 0/3 V pulse and 500 MHz bandwidth.
4. Note Absolute Maximum ratings in Table 3.
Document No. 70-0054-03 www.psemi.com
Typical
0.5
0.75
90
53
20
33
-100
2
Maximum
1300
30/24
0.65
1.0
15
Units
MHz
dBm
dB
dB
dB
dBm
dBc
dBm
dBm
mVpp
µs
©2005 Peregrine Semiconductor Corp. All rights reserved.
Page 1 of 8




Peregrine Semiconductor

PE4232 Datasheet Preview

PE4232 Datasheet

SPST CATV UltraCMOS Switch

No Preview Available !

Figure 3. Pin Configuration
VDD
1
GND 2
RF1 3
Exposed
Solder Pad
(bottom side)
6 RF2
5 GND
4 CTRL
Table 2. Pin Descriptions
Pin Pin
No. Name
Description
1 VDD Nominal 3 V supply connection.
2 GND Ground connection. 2
3 RF1 RF port. 1
CMOS or TTL logic level:
4 CTRL
High = RF1 to RF2 signal path
Low = RF1 isolated from RF2
5 GND Ground connection. 2
6 RF2 RF port. 1
Notes: 1. Both RF pins must be held at 0 VDC or require external DC
blocking capacitors
2. The exposed pad must be soldered to the ground plane for
proper switch performance.
Table 3. Absolute Maximum Ratings
Symbol
VDD
VI
TST
TOP
PIN
VESD
Parameter/Condition
Power supply voltage
Voltage on CTRL input
Storage temperature
Operating temperature
Input power (50 ),
CTRL=1/CTRL=0
ESD voltage
(Human Body Model)
Min Max Unit
-0.3 4.0
V
-0.3 5.5
V
-65 150
°C
-40 85
°C
33/24 dBm
200 V
Absolute Maximum Ratings are those values
listed in the above table. Exceeding these values
may cause permanent device damage.
Functional operation should be restricted to the
limits in the DC Electrical Specifications table.
Exposure to absolute maximum ratings for
extended periods may affect device reliability.
©2005 Peregrine Semiconductor Corp. All rights reserved.
Page 2 of 8
PE4232
Product Specification
Table 4. DC Electrical Specifications
Parameter
VDD Power Supply
Min Typ Max Unit
2.7 3.0 3.3
V
IDD Power Supply Current
(VDD = 3V, VCNTL = 3V)
33 40 µA
Control Voltage High
0.7xVDD
5V
Control Voltage Low
0
0.3xVDD
V
Table 5. Control Logic Truth Table
Control Voltage (CTRL)
High1
Low
Signal Path (RF1 to RF2)
ON
OFF
Notes: 1. CTRL accepts both CMOS and TTL voltage levels.
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 rating specified in Table 3.
Latch-Up Avoidance
Unlike conventional CMOS devices, UltraCMOS™
devices are immune to latch-up.
Device Description
The PE4232 high isolation SPST CATV Switch is
designed to support CATV applications such as
premise disconnect of a CATV signal path. This
function is typically performed by bulky and
expensive mechanical switches. The high
isolation characteristics, high compression point,
and integrated 75-ohm terminations make the
PE4232 an ideal, cost effective and
manufacturable product of choice.
The control logic input pin (CTRL) is typically
driven by a 3-volt CMOS logic level signal, and
has a threshold of 50% of VDD. For flexibility to
support systems that have 5-volt control logic
drivers, the control logic input has been designed
to handle a 5-volt logic HIGH signal. (A minimal
current will be sourced out of the VDD pin when the
control logic input voltage level exceeds VDD.)
Document No. 70-0054-03 UltraCMOS™ RFIC Solutions


Part Number PE4232
Description SPST CATV UltraCMOS Switch
Maker Peregrine Semiconductor
Total Page 8 Pages
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