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Peregrine Semiconductor

PE3503 Datasheet Preview

PE3503 Datasheet

Low Power CMOS Divide by 8 Prescaler

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om Product Specification
et4U.c PE3503Product Description
heThe PE3503 is a high performance monolithic UltraCMOS™
Sprescaler with a fixed divide ratio of 8. Its operating frequency
tarange is 1500 MHz to 3500 MHz. The PE3503 operates on a
anominal 3 V supply and draws only 12 mA. It is packaged in a
.Dsmall 8-lead MSOP and is ideal for microwave PLL synthesis
wsolutions.
wwThe PE3503 is manufactured in Peregrine’s patented Ultra
mThin Silicon (UTSi©) CMOS process, offering the performance
of GaAs with the economy and integration of conventional
oCMOS.
3500 MHz Low Power UltraCMOS™
Divide-by-8 Prescaler
Features
High-frequency operation: 1500 MHz
to 3500 MHz
Fixed divide ratio of 8
Low-power operation: 12 mA typical
@ 3 V across frequency
Small package: 8-lead MSOP
U.cFigure 1. Functional Schematic Diagram
Figure 2. Package Type
8-lead MSOP
eet4IN
hPre-Amp
DQ
CLK QB
DQ
CLK QB
DQ
CLK QB
Output
Buffer
OUT
ataSTable 1. Electrical Specifications (ZS = ZL = 50 )
VDD = 3.0 V, -40° C TA 85° C, unless otherwise specified
.DParameter
Conditions
Supply Voltage
wSupply Current
wFrequency Range (FIN)
w mInput Power (PIN)
U.coOutput Power
1500 MHz Fin 3200 MHz
3200 MHz < Fin 3500 MHz
Minimum
2.85
1500
-10
0
-5
Typical
3.0
12
Maximum
3.15
17
3500
+5
+5
Units
V
mA
MHz
dBm
dBm
dBm
www.DataSheet4Document No. 70-0050-04 www.psemi.com
©2005 Peregrine Semiconductor Corp. All rights reserved.
Page 1 of 7




Peregrine Semiconductor

PE3503 Datasheet Preview

PE3503 Datasheet

Low Power CMOS Divide by 8 Prescaler

No Preview Available !

Figure 3. Pin Configuration (Top View)
VDD 1
IN 2
DEC 3
GND 4
3503
8 GND
7 OUT
6 GND
5 GND
Table 2. Pin Descriptions
Pin Pin
No. Name
Description
1 VDD Power supply pin. Bypassing is required.
2
IN
Input signal pin. Should be coupled with a
capacitor (eg 15 pF)
Power supply decoupling pin. Place a
3
DEC
capacitor as close as possible and connect
directly to the ground plane (eg 10 nF and
10 pF).
Ground pin. Ground pattern on the board
4 GND should be as wide as possible to reduce
ground impedance.
5 GND Ground pin.
6 GND Ground pin.
Divided frequency output pin. This pin
7 OUT should be coupled with a capacitor (eg 100
pF).
8 GND Ground pin.
Table 3. Absolute Maximum Ratings
Symbol Parameter/Conditions Min Max Units
VDD Supply voltage
4.0 V
TST
TOP
VESD
PINMAX
Storage temperature range -65 150 °C
Operating temperature
range
-40 85
°C
ESD voltage (Human Body
Model)
250
V
Maximum input power
10 dBm
Absolute Maximum Ratings are those values
listed in the above table. Exceeding these values
may cause permanent device damage. Exposure
to absolute maximum ratings for extended periods
may affect device reliability.
PE3503
Product Specification
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 Functional Considerations
The PE3503 takes an input signal frequency from
1500 MHz to 3500 MHz and produces an output
signal frequency one-eighth that of the supplied
input. In order for the prescaler to work properly,
several conditions need to be adhered to. It is
crucial that pin 3 be supplied with a bypass
capacitor to ground. In addition, the input and
output signals (pins 2 & 7, respectively) need to
be AC coupled via an external capacitor as shown
in the test circuit in Figure 7.
The ground pattern on the board should be made
as wide as possible to minimize ground
impedance.
©2005 Peregrine Semiconductor Corp. All rights reserved.
Page 2 of 7
Document No. 70-0050-04 UltraCMOS™ RFIC Solutions


Part Number PE3503
Description Low Power CMOS Divide by 8 Prescaler
Maker Peregrine Semiconductor
Total Page 7 Pages
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