AT-259 Datasheet, PDF (1/3 Pages) Tyco Electronics – Voltage Variable Absorptive Attenuator DC - 2 GHz

AT-259
Voltage Variable Absorptive Attenuator
12 dB, DC - 2.0 GHz
Features
• Attenuation: 12 dB at 1 GHz
• Low Intermodulation Products
• Low DC Power Consumption: 50 μW
• Single Voltage Control: 0 to -4 Volts
• Nanosecond Switching Speed
• Temperature Range: -40°C to +85°C
• SOT-143 Plastic Package
• Tape and Reel Packaging Available
Description
M/A-COM’s AT-259 is a GaAs MMIC voltage
variable absorptive attenuator in a low cost SOT-143
4-Lead surface mount plastic package. The AT-259
is ideally suited for use where attenuation fine
tuning, fast switching and very low power
consumption are required.
Typical applications include radio, cellular, GPS
equipment and other automatic gain/level control
circuits.
The AT-259 is fabricated with a monolithic GaAs
MMIC using a mature 1 micron process. The
process features full chip passivation for increased
performance and reliability.
Ordering Information ^1,2
Part Number
Package
AT-259
Bulk Packaging
AT-259TR
Forward Tape and Reel
AT-259SMB
Sample Board
1. Reference Application Note M513 for reel size information.
2. All sample boards include 5 loose parts.
Functional Schematic
Rev. V5
Pin Configuration
Pin No.
1
2
Function
Ground
V_C
Pin No.
3
4
Function
RF2
RF1
Absolute Maximum Ratings ³
Parameter
Absolute Maximum
Input Power
+21 dBm
Control Voltage
+5V, -8.5V
Operating Temperature
-40°C to +85°C
Storage Temperature
-65°C to +150°C
3. Exceeding any one or combination of these limits may
cause permanent damage to this device.
†
Reference Application Note M538 for lead-free solder reflow recommendations.
Meets JEDEC moisture sensitivity level 1 requirements.
1
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is considering for development. Performance is based on target specifications, simulated results,
and/or prototype measurements. Commitment to develop is not guaranteed.
PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
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Visit www.macomtech.com for additional data sheets and product information.
typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. _{M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make}
Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.