AT-255 Tyco Electronics, AT-255 Datasheet
AT-255
Manufacturer Part Number
AT-255
Description
Manufacturer
Tyco Electronics
Datasheet
1.AT-255.pdf
(3 pages)
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT-255
Manufacturer:
M/A-COM
Quantity:
5 000
Part Number:
AT-255
Manufacturer:
M/A-COM
Quantity:
20 000
Company:
Part Number:
AT-255-PIN
Manufacturer:
M/A-COM
Quantity:
5 000
Part Number:
AT-255-PIN
Manufacturer:
MA/COM
Quantity:
20 000
Part Number:
AT-255-PIN/MAAVSS0006TR
Manufacturer:
M/A-COM
Quantity:
20 000
Part Number:
AT-255TR
Manufacturer:
MACOM
Quantity:
20 000
1
M/A-COM Inc. and its affiliates reserve the right to make changes to the
product(s) or information contained herein without notice. M/A-COM makes
no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, nor does M/A-COM assume any liability
whatsoever arising out of the use or application of any product(s) or
information.
3 Volt Voltage Variable Attenuator
25 dB, DC-2.5 GHz
Features
• Single Voltage Control: 0 to -3 Volts
• 25 dB Attenuation Range at 0.9 GHz
• Low DC Power Consumption
• 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
ideally suited for use where variable attenuation, fine
tuning, and very low power consumption are
required.
Typical applications include radio, cellular, GPS
equipment and automatic gain/level control circuits.
The AT-255 is fabricated using a mature 1-micron
GaAs MESFET process. The process features full
chip passivation for increased performance and
reliability.
Note: Reference Application Note M513 for reel size
Ordering Information
Part Number
information.
AT-255TR
AT-255
mount plastic package. The AT-255 is
1000 piece reel
SOT-25 Plastic
Package
• North America Tel: 800.366.2266 / Fax: 978.366.2266
• Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300
• Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macom.com for additional data sheets and product information.
2. Exceeding any one or combination of these limits may cause
permanent damage to this
Pin Configuration
Absolute Maximum Ratings
Functional Schematic
1. V
Pin No.
Operating Temperature
Storage Temperature
C
Control Voltage V
= -3 V to 0 V @ 25 µA maximum.
1
2
3
Parameter
Input Power
Function
RF Port
RF Port
Ground
RF
Vc
5
1
C
device.
GND
2
Pin No.
1
Absolute Maximum
-65°C to +150°C
4
5
-40°C to +85°C
-8 V to +0.5 V
GND
RF
4
3
+21 dBm
2
Function
Ground
V
AT-255
C
V7
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AT-255 Summary of contents
Page 1
... Typical applications include radio, cellular, GPS equipment and automatic gain/level control circuits. The AT-255 is fabricated using a mature 1-micron GaAs MESFET process. The process features full chip passivation for increased performance and reliability. Ordering Information ...
Page 2
... RF, 90% to 10% RF 50% Control to 90% RF, 50% Control to 10 Band • North America Tel: 800.366.2266 / Fax: 978.366.2266 • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. AT-255 Min Typ Max dB — 3.6 4.2 ...
Page 3
... North America Tel: 800.366.2266 / Fax: 978.366.2266 • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. AT-255 +25C +85C -40C 0.5 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) S11 S22 -2.5 -2.0 -1.5 -1.0 -0 ...