Page 1 of 8
Document No. 70-0134-02 www. pse mi.com ©2005 Peregrine Semiconductor Corp. All rights reserved.
RFC
RF1 RF2
CMOS
Control
Driver
CTRL CTRL or V
DD
The PE4259 UltraCMOS™ RF Switch is designed to cover a
broa d ra ng e of appli c ations fr om ne ar DC thr ou gh 3000 MHz.
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 +33.5 dBm can be achieved.
The PE4259 SPDT High Po wer Ultra CMOS™ RF Switch is
man uf actured in Peregrine’s patented Ult ra Th in Silicon
(UTSi®) CMOS pr oces s , offer ing th e per form ance of GaAs wi th
the economy and integration of conventional CMOS.
Pro duct Specificat ion
SPDT High Power UltraCMOS™
DC – 3.0 GHz RF Switch
Product Description
Figure 1. Functional Dia gram
PE4259
Features
• Single-pin or complementary CMOS
logic control inputs
• Low insertion loss: 0.35 dB at
1000 MHz, 0.5 dB at 2000 MHz
• Isolation of 30 dB at 1000 MHz, 20 dB
at 2000 MH z
• Typical input 1 dB compression point
of +33.5 dBm
• Ultra -s mall SC-70 package
Notes: 1. Device linearity will begin to degrade below 10 MHz.
2. The DC transient at the output of an y 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.
Table 1. Electrical Specifications @ +25 °C, VDD = 3 V (ZS = ZL = 50 )
Fig ure 2. Pack age Typ e SC-7 0
6-lead SC-70
Parameter Conditions Minimum Typical Maximum Units
Operation Frequency1 DC 3000 MHz
Insertion Loss 1000 MH z
2000 MH z 0.35
0.50 0.45
0.60 dB
dB
Isolation 1000 MH z
2000 MH z 29
19 30
20 dB
dB
Retur n Loss 1000 MH z
2000 MH z 21
24 22
27 dB
dB
‘ON’ Switching Time 50% CTRL to 0.1 dB of final value, 1 GHz 1.50 us
‘OFF’ Switching Time 50% CTRL to 25 dB isolation, 1 GHz 1.50 us
Video Fee dthrough2 15 mVpp
Inp ut 1 dB C o mpress io n 1000 MH z 31. 5 33. 5 dB m
Inp ut IP 3 1000 MH z , 20dBm in put pow e r 55 dBm
Product Specification
PE4259
Page 2 of 8
©2005 Peregrine Semiconductor Corp. All rights reserved. Document No. 70-0134-02 UltraCMOS™ RFIC Solutions
Table 2 . Pin Descriptions
Table 3. Absolute Maximum Ratings
Electrostatic Discharge (ESD) Precautions
When hand ling this UltraCMOS ™ devi ce, obs erve
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.
Latc h-Up Avoidance
Unlike conventional CMO S device s, UltraCMOS™
devices are immune to latch-up.
Table 4. DC Electrical Specifications
Notes: 3. All RF pins must be DC blocked with an external series
capacitor or held at 0 VDC.
4. To mai nt ain opt i m um dev ic e pe r for m anc e, do no t exceed
Max PIN at desired operating frequency (see Figure 4).
Figure 3. Pin Configuration (Top View)
1
2
3 4
5
6CTRL or V
DD
RFC
CTRL
RF1
GND
RF2
259
pin 1
Pin
No. Pin
Name Description
1 RF1
RF Port13
2 GND
Ground connection. Traces should be
physically short and connected to ground
plane for best performance.
3 RF2
RF Port23
4 CTRL Switch control input, CMOS logic level.
5 RFC
RF Common 3
6 CTRL or
VDD
This pin su pp or ts tw o int er f ac e op tions :
Single-pin control mode. A no mi na l 3- v ol t
supply connection is required.
Complementary-pin control mode. A
complementary CMOS con trol signal
to CTRL is supplied to this pin. By-
passing on this pin is not required in
this mo de .
Symbol Parameter/Conditions Min Max Units
VDD Power supply voltage -0.3 4.0 V
VI Voltage on any input -0.3 VDD+
0.3 V
TST Storage temperature
range -65 150 °C
TOP Operating temperature
range -40 85 °C
PIN Input po wer (5 0) +344 dBm
VESD
ESD Voltage (HBM,
M L_STD 883 Method
3015.7) 2000 V
ESD Voltage (MM,
JEDEC, JESD22- A114-B) 250
Parameter Min Typ Max Units
VDD Power Supply
Voltage 2.3 3.0 3.3 V
IDD Power Suppl y Current
(VDD = 3V, VCNTL = 3V) 9 20 µA
Control Voltage High 0.7x VDD V
Control Voltage Low 0.3x VDD V
Figure 4. Maximum Input Power
Product Specification
PE4259
Page 3 of 8
©2005 Peregrine Semiconductor Corp. All rights reserved. Document No. 70-0134-02 www. pse mi.com
Control Voltages Signal Path
Pin 6 (VDD) = VDD
Pin 4 (CTRL) = High RFC to RF1
Pin 6 (VDD) = VDD
Pin 4 (CTRL) = Low RFC to RF2
Table 5. Single-pin Control Logic Truth Table
Table 6. Complementary-pin Control Logic
Truth Table
Control Voltages Signal Path
Pin 6 (CTRL or VDD) = Low
Pin 4 (CTRL) = High RFC to RF1
Pin 6 (CTRL or VDD) = Hi gh
Pin 4 (CTRL) = Low RFC to RF2
Control Logic Input
The PE4259 is a versatile RF CMOS switch that
supports two operating control modes; single-pin
control mode and complementary-pin control
mode.
Single-pin c o ntr ol mode enab les the switch to
operate with a single control pin (pin 4) supporting
a +3-volt CMOS logic input, and requires a
dedicated +3-volt power supply connection on pin
6 (VDD). This mode of operation reduces the
number of control lines required and simpli fies the
switch control interface typically derived from a
CMOS µProcessor I/O port.
Complementary-pin control mode allo ws the
switch to operate using complementary control
pins CTRL and CTRL (pins 4 & 6), that can be
directly driven by +3-volt CMOS logic or a suitable
µProcessor I/O port. This enables the PE4259 to
be used as a potential alternate source for SPDT
RF switch products used in positive control
voltage mode and operating within the PE4259
operating limits.
Product Specification
PE4259
Page 4 of 8
©2005 Peregrine Semiconductor Corp. All rights reserved. Document No. 70-0134-02 UltraCMOS™ RFIC Solutions
Typical Performance Data @ -40 °C to 85 °C (Unless Othe rwise Noted)
Figure 5. Insertion Loss Figure 6. Isolation – Input to Output
Figure 7. Isolation – Output to Output Figure 8. Return Loss (Input)
Product Specification
PE4259
Page 5 of 8
©2005 Peregrine Semiconductor Corp. All rights reserved. Document No. 70-0134-02 www. pse mi.com
Typical Performance Data @ VDD = 2.3V, T=25°C
Figure 9. Insertion Loss Figure 10. Isola ti on – Input to Output
Figure 11. Isolation – Output to Output Figure 12. Re turn Loss (Input & Output)
Product Specification
PE4259
Page 6 of 8
©2005 Peregrine Semiconductor Corp. All rights reserved. Document No. 70-0134-02 UltraCMOS™ RFIC Solutions
Evaluation Kit
The SPD T swi t c h EK Bo ar d was designed to ease
customer evaluation of Peregrine’s PE4259. The
RF common port is connected through a 50
transmission line via the top SMA connector, J1.
RF1 and RF2 are connected through 50
transmission lines via SMA connectors J2 and J3,
respectively. A through 50 transmission is
available via SMA connectors J4 and J5. This
transmission line can be used to estimate the loss
of the PCB over the environmental conditions
being evaluated.
The board is constructed of a two metal layer FR4
material with a total thickness of 0.031”. The
bottom layer provides ground for the RF
transmission lines. The transmission lines were
designed using a coplanar waveguide with ground
plane model using a trace width of 0.0476”, trace
gaps of 0.030”, dielectric thickness of 0.028”,
metal thickness of 0.0021” and r of 4.4 .
J6 and J7 provide a means for contro lling DC and
digital inputs to the device. J6-1 is connected to
the device VDD or CTRL input. J7-1 is connected
to the device CTRL input.
Figure 8. Evaluation Board Layouts
Figure 9. Evaluation Board Sc hematic
Peregr ine S pec ificat ion 102/0218
Peregr ine S pec ificat ion 101/0162
Product Specification
PE4259
Page 7 of 8
©2005 Peregrine Semiconductor Corp. All rights reserved. Document No. 70-0134-02 www. pse mi.com
Table 7. Ordering Information
Figure 14. Package Drawing
6-lead SC-70
Ord er Code Part Marking Descript ion Package Ship ping Method
4259-01 259 PE4259-06SC70-7680A 6-lead SC-70 7680 units / Canister
4259-02 259 PE4259-06SC70-3000C 6-lead SC- 70 3000 units / T&R
4259-00 PE4259-EK PE4259-06SC70- EK Evaluation Kit 1 / Box
4259-51 259 PE4259G-06SC70-7680A Green 6-lead SC-70 7680 units / Canister
4259-52 259 PE4259G-06SC70- 3000C Gr een 6-lead SC-70 3000 units / T&R
1.80
2.20
0.65
BSC
1.80
2.40
1.15
1.35
0.15
0.30
0.80
1.10
0.80
1.00
0.10
0.30
0.10
0.40 0.10
0.18
0.00
0.10
Product Specification
PE4259
Page 8 of 8
©2005 Peregrine Semiconductor Corp. All rights reserved. Document No. 70-0134-02 UltraCMOS™ RFIC Solutions
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For a list of representatives in your area, please refer to our Web site at: www.p semi.com
Data Sheet Identification
Advance Information
The product is in a formative or design stage. The data
sheet contains design target specif ications for product
development. Specifications and features may change in
any manner without notice.
Preliminary Specification
The data sheet contains preliminary data. Addit ional data
may be added at a later date. Per egrine reserves the right
to change specif ications at any t ime without not ice in or der
to supply the best possible product.
Product Specification
The data sheet contains final data . In the event Peregrine
dec ide s to cha nge the spe c ific a tions, Pereg rine will not ify
cust omers of the int ended changes by issuing a DCN
(Document Change Notice).
The information in this data sheet is believed t o be reliable.
Howeve r, Peregrine assum es no liability f or th e use of this
information. Use shall be entirely at the user’s own risk.
No patent rights or licenses to any cir cuits descr ibed in this
data sheet are implied or granted to any third party.
Peregrine’s pr oducts are not designed or intended f or use in
devices or syst ems intended for surgical im plant, or in other
applications intended to support or sustain life, or in any
application in which the failure of the Peregrine product could
create a situation in which personal injury or death might occur.
Peregr ine assumes no liability for damages, including
consequential or incidental dam ages, arising out of the use of
its products in such applications.
The Peregr ine name, logo, and UTSi are registered t r ademarks
and Ultr aCMOS and HaRP are trademarks of Peregrine
Semiconductor Corp.
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