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AT-255

更新时间: 2024-09-12 22:39:15
品牌 Logo 应用领域
泰科 - TE 衰减器
页数 文件大小 规格书
2页 36K
描述
3Volt Voltage Variable Attenuator 25 dB, DC - 2.5 GHz

AT-255 技术参数

是否Rohs认证: 不符合生命周期:Transferred
Reach Compliance Code:unknown风险等级:5.15
安装特点:SURFACE MOUNT端子数量:5
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装等效代码:TSOP5/6,.11,37
子类别:RF/Microwave Attenuators表面贴装:YES
技术:GAASBase Number Matches:1

AT-255 数据手册

 浏览型号AT-255的Datasheet PDF文件第2页 
AT-255  
3Volt Voltage Variable Attenuator  
25 dB, DC - 2.5 GHz  
Features  
SOT-25  
Single Voltage Control 0 to -3 Volts  
25 dB Attenuation Range at 0.9 GHz  
Low DC Power Consumption  
Low Cost SOT-25 Plastic Package  
Tape and Reel Packaging Available  
Description  
M/A-COM’s AT-255 is a GaAs MMIC voltage variable  
absorptive attenuator in a low cost SOT-25 surface mount  
plastic package. The AT-255 is ideally suited for use where  
variable  
attenuation fine tuning and very low power  
consumption are required.  
Note:  
1. Leads Coplanarity should be 0.003 (0.08) max.  
INCHES MILLIMETERS  
Typical applications include radio, cellular, GPS equipment and  
automatic gain/level control circuits.  
DIM  
MIN  
.106  
.100  
MAX  
.122  
.118  
.051  
MIN  
2.70  
2.54  
MAX  
The AT-255 is fabricated using a mature 1-micron GaAs  
MESFET process. The process features full chip passivation for  
increased performance and reliability.  
A
B
C
D
E
F
G
H
J
3.10  
3.00  
1.30  
.063 REF.  
.032  
.014  
.003  
.000  
1.60 REF.  
.043  
.020  
.80  
.35  
.08  
.00  
1.10  
.50  
Ordering Information  
.006  
.15  
Part Number  
AT-255  
AT-255TR  
Package  
SOT-25 Plastic  
Forward Tape and Reel1  
.018 REF.  
.45 REF  
1. Reference Application Note M513 for reel size information.  
Electrical Specifications: TA = +25°C1  
=
Parameter  
Test Conditions  
Units  
dB  
dB  
Min.  
Typ.  
Max.  
4.2  
Insertion Loss  
Attenuation  
DC - 2.0 GHz  
3.6  
25  
20  
±7  
±5  
3:1  
10  
20  
10  
DC - 1.0 GHz  
1.0 - 2.0 GHz  
DC - 1.0 GHz  
1.0 - 2.0 GHz  
DC - 2.0 GHz  
23  
18  
dB  
Flatness (Peak-to-Peak)  
dB  
dB  
±10  
±8  
VSWR  
10% to 90% RF, 90% to 10% RF  
50% Control to 90% RF, Control to 10% RF  
In-band  
nS  
nS  
mV  
Trise, Tfall  
Ton, Toff  
Transients  
1. All measurements at 1 GHz in a 50system unless otherwise specified. Insertion Loss varies 0.003 dB/°C.  
Specifications subject to change without notice.  
V 4.0  
1
North America: Tel. (800) 366-2266, Fax (800) 618-8883  
Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298  
Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020  
Visit www.macom.com for additional data sheets and product information.  

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