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Product Specification
PE3503
Product Description
The PE3503 is a high performance monolithic UltraCMOSTM prescaler with a fixed divide ratio of 8. Its operating frequency range is 1500 MHz to 3500 MHz. The PE3503 operates on a nominal 3 V supply and draws only 12 mA. It is packaged in a small 8-lead MSOP and is ideal for microwave PLL synthesis solutions. The PE3503 is manufactured in Peregrine's patented Ultra Thin Silicon (UTSi(c)) CMOS process, offering the performance of GaAs with the economy and integration of conventional CMOS. 3500 MHz Low Power UltraCMOSTM 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
Figure 1. Functional Schematic Diagram
Figure 2. Package Type
8-lead MSOP
D IN Pre-Amp
Q
D
Q
D
Q OUT Output Buffer
CLK QB
CLK QB
CLK QB
Table 1. Electrical Specifications (ZS = ZL = 50 )
VDD = 3.0 V, -40 C TA 85 C, unless otherwise specified
Parameter
Supply Voltage Supply Current Frequency Range (FIN) Input Power (PIN)
Conditions
Minimum
2.85
Typical
3.0 12
Maximum
3.15 17 3500 +5 +5
Units
V mA MHz dBm dBm dBm
1500 1500 MHz Fin 3200 MHz 3200 MHz < Fin 3500 MHz -10 0 -5
Output Power
Document No. 70-0050-04 www.psemi.com
(c)2005 Peregrine Semiconductor Corp. All rights reserved. Page 1 of 7
PE3503
Product Specification
Figure 3. Pin Configuration (Top View)
1 2 8 7
Electrostatic Discharge (ESD) Precautions When handling this UltraCMOSTM 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, UltraCMOSTM devices are immune to latch-up.
VDD
GND
IN
OUT
3503
DEC 3 4 6 5 GND
GND
GND
Table 2. Pin Descriptions
Pin No.
1 2
Pin Name
VDD IN
Device Functional Considerations
Description
Power supply pin. Bypassing is required. Input signal pin. Should be coupled with a capacitor (eg 15 pF) Power supply decoupling pin. Place a 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 should be as wide as possible to reduce ground impedance. Ground pin. Ground pin. Divided frequency output pin. This pin should be coupled with a capacitor (eg 100 pF). Ground pin.
3
DEC
4 5 6 7 8
GND GND GND OUT GND
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.
Table 3. Absolute Maximum Ratings
Symbol
VDD TST TOP VESD PINMAX
Parameter/Conditions
Supply voltage Storage temperature range Operating temperature range ESD voltage (Human Body Model) Maximum input power
Min
Max
4.0
Units
V C C V
-65 -40 250
150 85
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.
(c)2005 Peregrine Semiconductor Corp. All rights reserved. Page 2 of 7
Document No. 70-0050-04 UltraCMOSTM RFIC Solutions
PE3503
Product Specification
Typical Performance Data Figure 4. Input Sensitivity Figure 5. Device Current
0 -5 Sensitivity (dBm)
25C
-40C
85C
15 14 Current (mA) 13 12 11 10 9 8
25C
-40C
85C
-10 -15 -20 -25 -30 0.5 1.5 2.5 Frequency (GHz) 3.5 4.5
0.5
1.5
2.5 Frequency (GHz)
3.5
4.5
Figure 6. Output Power
3.0 2.5 Power (dBm) 2.0 1.5 1.0 0.5 0.0 -0.5 0.5 1.5
25C
-40C
85C
2.5 Frequency (GHz)
3.5
4.5
Document No. 70-0050-04 www.psemi.com
(c)2005 Peregrine Semiconductor Corp. All rights reserved. Page 3 of 7
PE3503
Product Specification
Figure 7. Test Circuit Block Diagram
VDD 3 V +/- 0.15 V
+ -
10 pF
1000 pF 1 8 7 100 pF 50
50
15 pF 2
PE3503
3 Signal Generator 4 5 6
Spectrum Analyzer
10 nF
10 pF
Figure 8. High Frequency System Application The wideband frequency of operation of the PE3503 makes it an ideal part for use in a DBS downconverter system.
INPUT FROM DBS 1 ST IF
BPF
SAW
AGC
FM DEMOD
BASEBAND OUTPUT
DIVIDE-BY-8
PE3291
PE3503
LOW NOISE PLL SYNTH
LPF
(c)2005 Peregrine Semiconductor Corp. All rights reserved. Page 4 of 7
Document No. 70-0050-04 UltraCMOSTM RFIC Solutions
PE3503
Product Specification
Evaluation Kit
Evaluation Kit Operation
The MSOP Prescaler Evaluation Board was designed to help customers evaluate the PE3503 Divide-by-8 Prescaler. On this board, the device input (pin 2) is connected to connector J1 through a 50 transmission line. A series capacitor (C3) provides the necessary DC block for the device input. It is important to note that the value of this capacitance will impact the performance of the device. A value of 15 pF was found to be optimal for this board layout; other applications may require a different value. The device output (pin 7) is connected to connector J3 through a 50 transmission line. A series capacitor (C1) provides the necessary DC block for the device output. Note that this capacitor must be chosen to have a low impedance at the desired output frequency the device. The value of 100 pF was chosen to provide a wide operating range for the evaluation board. The board is constructed of a two-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 above ground plane model with trace width of 0.030", trace gaps of 0.007", dielectric thickness of 0.028", metal thickness of 0.0014" and r of 4.4. Note that the predominate mode for these transmission lines is coplanar waveguide. J2 provides DC power to the device. Starting from the lower left pin, the second pin to the right (J2-3) is connected to the device VDD pin (1). Two decoupling capacitors (10 pF, 1000 pF) are included on this trace. It is the responsibility of the
customer to determine proper supply decoupling for their design application. The DEC pin (3) must be connected to a low impedance AC ground for proper device operation. On the board, two decoupling capacitors (C6 = 10 nF, C4 = 10 pF), located on the back of the board, perform this function.
Applications Support
If you have a problem with your evaluation kit or if you have applications questions call (858) 731-9400 and ask for applications support. You may also contact us by fax or e-mail: Fax: (858) 731-9499 E-Mail: help@psemi.com
Figure 9. Evaluation Board Layouts
Peregrine Specification 101/0035
Figure 10. Evaluation Board Schematic
Peregrine Specification 102/0055
Document No. 70-0050-04 www.psemi.com
(c)2005 Peregrine Semiconductor Corp. All rights reserved. Page 5 of 7
PE3503
Product Specification
Figure 11. Package Drawing
8-lead MSOP
TOP VIEW 0.65BSC 8 7 6 5 .525BSC
2.450.10 2X 3.000.10
0.510.13 -B-
0.510.13
1
2
3
4
.25
ABC
2.950.10
-C0.860.08 2.950.10
1.10 MAX -A0.10 A +0.07 0.33 -0.08 0.08 ABC 3.000.10 FRONT VIEW SIDE VIEW 0.100.05 3.000.10 4.900.15
Table 4. Ordering Information
Order Code
3503-21 3503-22 3503-00 3503-51 3503-52
Part Marking
3503 3503 PE3503-EK 3503 3503
Description
PE3503-08MSOP-50A PE3503-08MSOP-2000C PE3503-08MSOP-EK PE3503G-08MSOP-50A PE3503G-08MSOP-2000C
Package
8-lead MSOP 8-lead MSOP Evaluation Kit Green 8-lead MSOP Green 8-lead MSOP
Shipping Method
50 units / Tube 2000 units / T&R 1 / Box 50 units / Tube 2000 units / T&R
(c)2005 Peregrine Semiconductor Corp. All rights reserved. Page 6 of 7
Document No. 70-0050-04 UltraCMOSTM RFIC Solutions
PE3503
Product Specification
Sales Offices
The Americas Peregrine Semiconductor Corp.
9450 Carroll Park Drive San Diego, CA 92121 Tel 858-731-9400 Fax 858-731-9499
North Asia Pacific Peregrine Semiconductor K.K.
5A-5, 5F Imperial Tower 1-1-1 Uchisaiwaicho, Chiyoda-ku Tokyo 100-0011 Japan Tel: +81-3-3503-5211 Fax: +81-3-3503-5213
Europe Peregrine Semiconductor Europe
Commercial Products: Batiment Maine 13-15 rue des Quatre Vents F- 92380 Garches, France Tel: +33-1-47-41-91-73 Fax : +33-1-47-41-91-73 Space and Defense Products: 180 Rue Jean de Guiramand 13852 Aix-En-Provence cedex 3, France Tel: +33(0) 4 4239 3361 Fax: +33(0) 4 4239 7227
South Asia Pacific Peregrine Semiconductor
28G, Times Square, No. 500 Zhangyang Road, Shanghai, 200122, P.R. China Tel: +86-21-5836-8276 Fax: +86-21-5836-7652
For a list of representatives in your area, please refer to our Web site at: www.psemi.com
Data Sheet Identification
Advance Information
The product is in a formative or design stage. The data sheet contains design target specifications for product development. Specifications and features may change in any manner without notice. The information in this data sheet is believed to be reliable. However, Peregrine assumes no liability for the use of this information. Use shall be entirely at the user's own risk. No patent rights or licenses to any circuits described in this data sheet are implied or granted to any third party. Peregrine's products are not designed or intended for use in devices or systems intended for surgical implant, 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. Peregrine assumes no liability for damages, including consequential or incidental damages, arising out of the use of its products in such applications. The Peregrine name, logo, and UTSi are registered trademarks and UltraCMOS is a trademark of Peregrine Semiconductor Corp.
Preliminary Specification
The data sheet contains preliminary data. Additional data may be added at a later date. Peregrine reserves the right to change specifications at any time without notice in order to supply the best possible product.
Product Specification
The data sheet contains final data. In the event Peregrine decides to change the specifications, Peregrine will notify customers of the intended changes by issuing a DCN (Document Change Notice).
Document No. 70-0050-04 www.psemi.com
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