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• Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298
Visit www.macomtech.com for additional data sheets and prod uct information.
M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
changes to the product(s) or information contained herein without notice.
1
Digital Attenuator, 5-Bit, Single Control
15.5 dB, 2.0 - 6.0 GHz
Rev. V1
MAADSS0018
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions
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
typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available.
Commitment to produce in volume is not guaranteed.
Features
• Integrated Logic
• Positive Single Control
• Insertion Loss: 2.0 dB @ 3.4 GHz
• IP3: >42 dBm typical @ 2.0 GHz
• Attenuation Accuracy: 0.3 dB + 3% @ 3.4 GHz
• 0.5 dB Attenuation Steps to 15.5 dB
• Lead-Free 3 mm 16-Lead PQFN Package
• Halogen-Free “Green” Mold Compound
• RoHS* Compliant and 26 0°C Re-flow Compatible
Description
M/A-COM’s MAADSS0018 is a 5-bit, 0.5-dB step
GaAs MMIC digital attenuator in a lead-free 3mm 16
lead PQFN surface mount plastic package. The
MAADSS0018 is ideally suited for use where high
accuracy, very low power consumption and low
intermodulation products are required. Typical
applications include radio, cellular, wireless LANs,
GPS equipment and other gain / level control
circuits.
The MAADSS0018 is part of a digital attenuator
family. This family includes 4, 5 and 6 bit attenuators
with 0.5, 1 or 2 dB steps and up to 31.5 range.
Functional Schematic 3
3. Blocking capacitors are required on all RF ports
Pin Configuration
* Restrictions on Hazardous Substances, European Union Directive 2002/95/EC.
Ordering Information 1,2
Part Number Package
MAADSS0018TR-3000 3000 piece reel
MAADSS0018SMB Sample Board
MAADSS0018TR-1000 1000 piece reel
Pin No. Function Pin No. Function
1 V0.5 (0.5dB Bit) 9 RF In/Out
2 Ground 10 Ground
3 RF In/Out 11 VDD
4 Ground 12 Ground
5 Ground 13 V8 (8dB Bit)
6 Ground 14 V4 (4dB Bit)
7 Ground 15 V2 (2dB Bit)
8 Ground 16 V1 (1dB Bit)
1. Reference Application Note M513 for reel size information.
2. All sample boards include 5 loose parts.