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| 型号： | 4305-00 |
| 厂商： | Peregrine Semiconductor |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL FOR 4305 RF DSA |
| 标准包装： | 1 |
| 系列： | UltraCMOS™ |
| 类型： | 衰减器 |
| 频率： | 0Hz ~ 4GHz |
| 适用于相关产品： | PE4305 |
| 已供物品： | 板 |
| 其它名称： | 4305-0 4305-0-ND PE4305- EK PE4305-EK |
Product Specification
PE4305
50 ? RF Digital Attenuator
Product Description
The PE4305 is a high linearity, 5-bit RF Digital Step Attenuator
(DSA) covering a 15.5 dB attenuation range in 0.5 dB steps,
and is pin compatible with the PE430x series. This 50-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
PE4305 exhibits very low insertion loss and low power
consumption. This functionality is delivered in a 4x4 mm QFN
footprint.
The PE4305 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.
5-bit, 15.5 dB, DC – 4.0 GHz
Features
? Attenuation: 0.5 dB steps to 15.5 dB
? Flexible parallel and serial programming
interfaces
? Latched or direct mode
? Unique power-up state selection
? Positive CMOS control logic
? High attenuation accuracy and linearity
over temperature and frequency
? Very low power consumption
? Single-supply operation
? 50 ? impedance
? Pin compatible with PE430x series
? Packaged in a 20 Lead 4x4 mm QFN
Figure 1. Functional Schematic Diagram
Switched Attenuator Array
RF Input
RF Output
Figure 2. Package Type
4x4 mm 20-Lead QFN
Parallel Control
5
Serial Control
Power-Up Control
3
1
Control Logic Interface
Table 1. Electrical Specifications @ +25°C, V DD = 3.0 V
Parameter
Test Conditions
Frequency
Minimum
Typical
Maximum
Units
Operation Frequency
DC
4000
MHz
Insertion Loss
2
DC - 2.2 GHz
-
1.5
2.25
dB
Attenuation Accuracy
1 dB Compression 3
Input IP3 1, 2
Any Bit or Bit
Combination
Two-tone inputs
+18 dBm
DC - 2.2 GHz
1 MHz - 2.2 GHz
1 MHz - 2.2 GHz
-
30
-
-
34
52
±(0.25 + 3% of atten setting)
not to exceed ± 0.4 dB
-
-
dB
dBm
dBm
Return Loss
Switching Speed
50% control to 0.5 dB
of final value
DC - 2.2 GHz
15
-
20
-
-
1
dB
μ s
Notes: 1. Device Linearity will begin to degrade below 1Mhz
2. See Max input rating in Table 3 & Figures on Pages 2 to 4 for data across frequency.
3. Note Absolute Maximum in Table 3.
Document No. 70-0159-06 │ www.psemi.com
?2003-2008 Peregrine Semiconductor Corp. All rights reserved.
Page 1 of 11
Peregrine products are protected under one or more of the following U.S. Patents: http://patents.psemi.com
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