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PDF PE43404 Data sheet ( Hoja de datos )
| Número de pieza | PE43404 | |
| Descripción | Digital Attenuator 4-bit | |
| Fabricantes | Peregrine Semiconductor | |
| Logotipo |  |
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Product Description
wwTwh.deataPshEe4et344u.0co4mis a high linearity, 4-bit RF Digital Step
Attenuator (DSA) covering a 15 dB attenuation range in 1.0 dB
steps. This 75-ohm RF DSA provides both parallel (latched or
direct mode) and serial CMOS control interface, operates on a
single 3-volt supply and maintains high attenuation accuracy
over frequency and temperature. It also has a unique control
interface that allows the user to select an initial attenuation
state at power-up. The PE43404 exhibits very low insertion
loss and low power consumption. This functionality is delivered
in a 4x4 mm QFN footprint.
The PE43404 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 Schematic Diagram
RF Input
Switched Attenuator Array
RF Output
Product Specification
PE43404
75 Ω RF Digital Attenuator
4-bit, 15 dB, DC – 2.0 GHz
Features
• Attenuation: 1.0 dB steps to 15 dB
• Flexible parallel and serial programming
interfaces
• Parallel latched or direct mode
• High attenuation accuracy and linearity
over temperature and frequency
• Unique power-up state selection
• Very low power consumption
• Single-supply operation
• Positive CMOS control logic
• 75 Ω impedance
• Packaged in a 20 Lead 4x4 mm QFN
Figure 2. Package Type
20 Lead 4x4 mm QFN
Parallel Control 5
Serial Control 3
Power-Up Control 1
Control Logic Interface
Table 1. Electrical Specifications @ +25°C, VDD = 3.0 V
Parameter
Test Conditions
Frequency
Minimum Typical
Maximum
Units
Operation Frequency
Insertion Loss1
Attenuation Accuracy
1 dB Compression3,4
Input IP31,2,4
Return Loss
Any Bit or Bit
Combination
Two-tone inputs up to
+18 dBm
Zo = 75 ohms
DC ≤ 1.2 GHz
DC ≤ 1.2 GHz
1 MHz ≤ 1.2 GHz
1 MHz ≤ 1.2 GHz
DC ≤ 1.2 GHz
DC
-
-
30
-
10
2000
MHz
1.4 1.95 dB
-
±(0.25+ 7% of atten setting)
dB
34 - dBm
52 - dBm
13 - dB
Switching Speed
50% control
--
1 µs
Notes: 1. Device Linearity will begin to degrade below 1MHz
2. Max input rating in Table 3 & Figures on Pages 4 to 6 for data across frequency.
3. Note Absolute Maximum in Table 3.
4. Measured in a 50 Ω system.
Document No. 70-0258-02 │ www.psemi.com
©2008 Peregrine Semiconductor Corp. All rights reserved.
Page 1 of 11
1 page  
PE43404
Product Specification
Typical Performance Data @ 25°C, VDD = 3.0 V
Figure 10. Attenuation Error Vs. Frequency
www.datasheet4u.com
0.5
0
-0.5
8dB
15dB
-1
-1.5
Figure 11. Attenuation Error Vs. Attenuation
Setting
1
10Mhz
250Mhz
500Mhz
0.5
750Mhz
1010Mhz
1210Mhz
0
-0.5
-2
0
500
1000
1500
RF Frequency (MHz)
2000
-1
0 2 4 6 8 10 12 14 16
Attenuation Setting (dB)
Figure 12. Input IP3 vs. Frequency (Zo=50 ohms) Figure 13. Input 1 dB Compression (Zo=50 ohms)
60
55
50
45
40
35
30
25
20
0
500
1000
1500
RF Frequency (MHz)
2000
40
35
30
25
20
15
10
5
0
0
Note: Positive attenuation error indicates higher attenuation than target value
500
1000
1500
RF Frequency (MHz)
2000
Document No. 70-0258-02 │ www.psemi.com
©2008 Peregrine Semiconductor Corp. All rights reserved.
Page 5 of 11
5 Page 
PE43404
Product Specification
Sales Offices
The Americas
wwPw.edraetagshreiente4u.Scoemmiconductor Corporation
9380 Carroll Park Drive
San Diego, CA 92121
Tel: 858-731-9400
Fax: 858-731-9499
Europe
Peregrine Semiconductor Europe
Bâtiment Maine
13-15 rue des Quatre Vents
F-92380 Garches, France
Tel: +33-1-4741-9173
Fax : +33-1-4741-9173
Space and Defense Products
Americas:
Tel: 858-731-9453
Europe, Asia Pacific:
180 Rue Jean de Guiramand
13852 Aix-En-Provence Cedex 3, France
Tel: +33-4-4239-3361
Fax: +33-4-4239-7227
North Asia Pacific
Peregrine Semiconductor K.K.
Teikoku Hotel Tower 10B-6
1-1-1 Uchisaiwai-cho, Chiyoda-ku
Tokyo 100-0011 Japan
Tel: +81-3-3502-5211
Fax: +81-3-3502-5213
Peregrine Semiconductor, Korea
#B-2402, Kolon Tripolis, #210
Geumgok-dong, Bundang-gu, Seongnam-si
Gyeonggi-do, 463-480 S. Korea
Tel: +82-31-728-4300
Fax: +82-31-728-4305
South Asia Pacific
Peregrine Semiconductor, China
Shanghai, 200040, 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.
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).
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 and HaRP are trademarks of Peregrine
Semiconductor Corp.
Document No. 70-0258-02 │ www.psemi.com
©2008 Peregrine Semiconductor Corp. All rights reserved.
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