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參數資料
| 型號： | AS277-12 |
| 廠商： | SKYWORKS SOLUTIONS INC |
| 元件分類： | 開關 |
| 英文描述： | 0.3 MHz - 2000 MHz RF/MICROWAVE SGL POLE DOUBLE THROW SWITCH, 0.75 dB INSERTION LOSS |
| 封裝： | PLASTIC, SOIC-8 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 423K |
| 代理商： | AS277-12 |
Skyworks Solutions, Inc. [978] 241-7000
Fax [978] 241-7906 Email sales@skyworksinc.com www.skyworksinc.com
1
Specifications subject to change without notice. 3/99A
Parameter
Condition
Frequency
Min.
Typ.
Max.
Unit
Switching Characteristics5
Rise, Fall (10/90% or 90/10% RF)
60
ns
On, Off (50% CTL to 90/10% RF)
100
ns
Video Feedthru
50
mV
Input Power for 1 dB Compression
0.9 GHz
+35
dBm
Intermodulation Intercept Point (IP3)
For Two-tone Input Power +10 dBm
0.9 GHz
+55
dBm
Control Voltages
VLow = 0 to 0.2 V @ 20 A Max.
VHigh = +3 V @ 100 A Max. to +5 V @ 200 A Max.
VS = VHigh ± 0.2 V
GaAs IC High Power SPDT Switch
Positive Control DC–2 GHz
Features
■ High Linearity (55 dBm IP3 @ 0.9 GHz)
■ Low Insertion Loss (0.4 dB @ 0.9 GHz)
■ High Isolation (35 dB @ 0.9 GHz)
■ Low DC Power Consumption
■ Positive 3 V to 5 V Control Voltages
SOIC-8
AS277-12
Description
The AS277-12 is an IC FET SPDT switch in an SOIC-8
plastic package. It is a reflective switch designed for use
where extremely high linearity and low insertion loss are
required. It is controlled with positive voltage eliminating
the need for negative voltage. Some standard
implementations include antenna changeover, T/R and
diversity switching over 2 W. The AS277-12 switch can be
used in many analog and digital wireless communication
systems including cellular, GSM and DECT applications.
Parameter1
Frequency2
Min.
Typ.
Max.
Unit
Insertion Loss3
DC–1.0 GHz
0.4
0.50
dB
DC–2.0 GHz
0.6
0.75
dB
Isolation
DC–1.0 GHz
30
33
dB
DC–2.0 GHz
16
18
dB
VSWR4
DC–1.0 GHz
1.1:1
1.2:1
DC–2.0 GHz
1.3:1
1.4:1
Electrical Specifications at 25°C (0, +5 V)
0.049
(1.24 mm)
0.016
(0.41 mm)
0.016 MAX.
(0.41 mm) x
45 CHAMFER
PIN 1
0.197 (5.00 mm)
0.189 (4.80 mm)
0.068
(1.73 mm) MAX.
0.010 (0.25 mm)
0.004 (0.10 mm)
0.010 (0.25 mm)
0.007 (0.17 mm)
0.158 (4.00 mm)
0.150 (3.80 mm)
8
MAX.
0.020 (0.51 mm) MAX.
0.244 (6.20 mm)
0.228 (5.80 mm)
0.050 (1.27 mm) BSC
PIN 8
PIN 1
INDICATOR
Operating Characteristics at 25°C (0, +5 V)
1. All measurements made in a 50
system, unless otherwise specified.
2. DC = 300 kHz.
3. Insertion loss changes by 0.003 dB/°C.
4. Insertion loss state.
5. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
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