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参数资料
| 型号： | 4309-52 |
| 厂商： | Peregrine Semiconductor |
| 文件页数： | 1/9页 |
| 文件大小： | 0K |
| 描述： | IC DSA 6BIT 50 OHM 24-QFN |
| 标准包装： | 1 |
| 系列： | UltraCMOS™ |
| 衰减值： | 31.5dB |
| 容差： | ±0.15dB |
| 频率范围： | 0 ~ 4GHz |
| 阻抗： | 50 欧姆 |
| 封装/外壳： | 24-VFQFN 裸露焊盘 |
| 其它名称： | 1046-1036-6 |
Product Specification
PE4309
50 ? RF Digital Attenuator
Product Description
This product is a high linearity, 6-bit RF Digital Step Attenuator
(DSA) covering a 31.5 dB attenuation range in 0.5 dB steps.
The Peregrine 50 ? RF DSA provides a parallel CMOS control
interface and it operates on 3-volt to 5-volt supply. It maintains
high attenuation accuracy over frequency and temperature and
exhibits very low insertion loss and low power consumption.
This Peregrine DSA is available in a 4x4 mm 24 lead QFN
footprint with an exposed ground paddle.
The PE4309 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
6-bit, 31.5 dB, DC-4.0 GHz
Features
? Best in class 2.0 kV HBM ESD tolerance
? Low Insertion Loss: 1.6 dB typical
? Attenuation: 0.5 dB steps to 31.5 dB
? High Linearity: Typical 52 dB IP3
? Best in Class Attenuation accuracy
? Parallel programming interface
? Single supply, 3V to 5V operation
? Standard 3V or 5V CMOS control logic
independent of supply voltage
? Very low power consumption
? RoHS-compliant 24-lead 4x4 mm QFN
Figure 2. Package Type
4x4 mm 24-Lead QFN
Switched Attenuator Array
RF Input
RF Output
Parallel Control
6
Control Logic Interface
Table 1. Electrical Specifications @ +25°C, V DD = 3.0 V - 5.0 V
Parameter
Test Conditions 4
Frequency
Min
Typ
Maximum
Units
Operation Frequency
DC
4000
MHz
Insertion Loss
Any Bit or Bit Combination
Any Bit or Bit Combination
DC - 2.2 GHz
2.2 - 4.0 GHz
DC ≤ 1.0 GHz
1.0 < 2.2 GHz
-
-
-
-
1.6
2.2
-
-
2
3.4
±(0.10 + 3% of atten setting), not to exceed +0.20 dB
±(0.15 + 3% of atten setting)
dB
dB
dB
dB
Attenuation Accuracy
0.5 - 7.5 dB States 3
2.2 < 3.8 GHz
-
0.15
-
dB
1 dB Compression 2
8.0 - 15.5 dB States 3
16.0 - 31.5 dB States 3
2.2 < 3.8 GHz
2.2 < 3.8 GHz
1 MHz - 2.2 GHz
2.2 - 4.0 GHz
-
-
30
-
0.7
1.2
32
32
-
-
-
-
dB
dB
dBm
dBm
Input IP3 1
Two-tone inputs +18 dBm
1 MHz - 2.2 GHz
2.2 - 4.0 GHz
-
-
52
45
-
-
dBm
dBm
Return Loss
Switching Speed
50% of control voltage to
90% of final attenuation level
DC - 2.2 GHz
2.2 - 4.0 GHz
15
10
-
20
20
-
-
-
1
dB
dB
μ s
Notes: 1.
2.
3.
4.
Device Linearity will begin to degrade below 5 MHz.
Note Absolute Maximum in Table 4.
See Figures 12 and 13 for typical attenuation error.
Measurements made in a 50 ohm system (see Figure 4, Test Circuit Block Diagram). Resistors (R2, R3, R5, R6, R7) with a
value of 10K-ohm are used to decouple the RF path from the control inputs.
Document No. 70-0218-07 │ www.psemi.com
?2007 Peregrine Semiconductor Corp. All rights reserved.
Page 1 of 9
Peregrine products are protected under one or more of the following U.S. Patents: http://patents.psemi.com
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