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參數(shù)資料
| 型號： | 4245-51 |
| 廠商： | PEREGRINE SEMICONDUCTOR CORP |
| 元件分類： | 開關(guān) |
| 英文描述： | SPDT UltraCMOS⑩ RF Switch DC - 4000 MHz |
| 中文描述： | 0 MHz - 4000 MHz RF/MICROWAVE SGL POLE DOUBLE THROW SWITCH, 0.85 dB INSERTION LOSS |
| 封裝： | 3 X 3 MM, GREEN, DFN-6 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 263K |
| 代理商： | 4245-51 |
Page 1 of 8
Document No. 70-0104-07
│ www.psemi.com
2003-2009 Peregrine Semiconductor Corp. All rights reserved.
The PE4245 RF Switch is designed to cover a broad range of
applications from near DC to 4000 MHz. This switch integrates
on-board CMOS control logic with a low voltage CMOS
compatible control input. Using a +3-volt nominal power
supply voltage, a 1 dB compression point of +27 dBm can be
achieved. The PE4245 also exhibits excellent isolation of
better than 42 dB at 1000 MHz and is offered in a small 3x3
mm DFN package.
The PE4245 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.
Product Specification
SPDT UltraCMOS RF Switch
DC - 4000 MHz
Product Description
Figure 1. Functional Diagram
PE4245
Features
Single 3.0 V Power Supply
Low insertion loss: 0.6 dB at 1000 MHz,
0.7 dB at 2000 MHz
High isolation of 42 dB at 1000 MHz,
32 dB at 2000 MHz
Typical 1 dB compression of +27 dBm
Single-pin CMOS logic control
Available in a 6-lead DFN package
Notes: 1. Device linearity will begin to degrade below 10 MHz.
2. The DC transient at the output of any port of the switch when the control voltage is switched from Low to
High or High to Low in a 50
test set-up, measured with 1ns risetime pulses and 500 MHz bandwidth.
Table 1. Electrical Specifications @ +25 °C, VDD = 3 V (ZS = ZL = 50 )
Figure 2. Package Type
6-lead DFN
Parameter
Conditions
Minimum
Typical
Maximum
Units
Operation Frequency1
DC
4000
MHz
Insertion Loss
1000 MHz
2000 MHz
0.6
0.7
0.75
0.85
dB
Isolation – RFC to RF1/RF2
1000 MHz
2000 MHz
39
30
42
32
dB
Isolation – RF1 to RF2
1000 MHz
2000 MHz
34
27
36
29
dB
Return Loss
1000 MHz
2000 MHz
21
20
23
22
dB
‘ON’ Switching Time
CTRL to 0.1 dB final value, 2 GHz
200
ns
‘OFF’ Switching Time
CTRL to 25 dB isolation, 2 GHz
90
ns
Video Feedthrough2
15
mVpp
Input 1 dB Compression
2000 MHz
26
27
dBm
Input IP3
2000 MHz, 14 dBm
43
45
dBm
RF1
CTRL
RFC
CMOS
Control
Driver
ESD
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