MAADSS0018 Digital Attenuator, 5-Bit, Single Control 15.5 dB, 2.0 - 6.0 GHz Functional Schematic 3 Features • • • • • • • • • Rev. V1 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 260°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. 3. Blocking capacitors are required on all RF ports Pin Configuration 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) Ordering Information 1,2 Part Number Package MAADSS0018TR-1000 1000 piece reel MAADSS0018TR-3000 3000 piece reel 7 Ground 15 V2 (2dB Bit) MAADSS0018SMB Sample Board 8 Ground 16 V1 (1dB Bit) 1. Reference Application Note M513 for reel size information. 2. All sample boards include 5 loose parts. * Restrictions on Hazardous Substances, European Union Directive 2002/95/EC. 1 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. 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. 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. MAADSS0018 Digital Attenuator, 5-Bit, Single Control 15.5 dB, 2.0 - 6.0 GHz Rev. V1 Electrical Specifications 4: TA = 25°C, Z0 = 50 Ω, VDD = 5 V, VC = 5 V Parameter Test Conditions Units Min. Typ. Max. Reference Insertion Loss 3.4 GHz dB 0.0 2.0 3.0 Attenuation Accuracy 3.4 GHz VSWR 2.0 - 6.0 GHz Ratio — 1.45:1 — Trise, Tfall 10% to 90% RF, 90% to 10% RF ns — 50 — Ton, Toff 50% Control to 90% RF, 50% Control to 10% RF ns — 50 — Transients In Band mV — 75 — Input P1dB 2.0 GHz dBm — 25 — IP2 2-Tone, +5 dBm/tone, 1 MHz Spacing 2.0 - 6.0 GHz dBm — 80 — IP3 2-Tone, +5 dBm/tone, 1 MHz Spacing 2.0 - 6.0 GHz dBm — 42 — IC VC = 5 V µA — 15 25 IDD VDD = 5 V µA — 225 300 ± (0.3 dB + 3% of attenuation setting in dB) dB 4. External DC blocking capacitors are required on all RF ports. Truth Table 5 VC0.5 VC1 Absolute Maximum Ratings 6,7 VC2 VC4 VC8 Attenuation (dB) Parameter Absolute Maximum Input Power 2.0 - 6.0 GHz +33 dBm Control Voltage -0.5 V < VC < 5.5 V 0 0 0 0 0 Reference IL 1 0 0 0 0 0.5 0 1 0 0 0 1 0 0 1 0 0 2 Operating Temperature -40°C to +85°C 0 0 0 1 0 4 Storage Temperature -65°C to +150°C 0 0 0 0 1 8 1 1 1 1 1 15.5 5. 0 = 0 V, 1 = 2.8 to 5V 6. Exceeding any one or combination of these limits may cause permanent damage to this device. 7. M/A-COM does not recommend sustained operation near these survivability limits. 2 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. 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. 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. MAADSS0018 Digital Attenuator, 5-Bit, Single Control 15.5 dB, 2.0 - 6.0 GHz Rev. V1 Typical Performance Curves Insertion Loss Relative Attenuation across all major states 0 0.0 -0.5 -2 +25°C -40°C +85°C -1.0 -4 -1.5 -6 -2.0 -8 -2.5 -10 -3.0 -12 -3.5 -14 -4.0 2.0 3.0 4.0 5.0 6.0 -16 2.0 0.5 dB 1 dB 2 dB 4 dB 8 dB 15.5 dB 3.0 4.0 5.0 6.0 7.0 Frequency (GHz) Frequency (GHz) Return Loss, Insertion Loss State Input Return Loss, across all major attenuation states -10 0 Input Return Loss Output Return Loss -15 -10 -20 -20 -25 -30 -30 -35 -40 2.0 3.0 4.0 5.0 6.0 -40 2.0 0.5 dB 1 dB 2 dB 4 dB 8 dB 15.5 dB 3.0 Frequency (GHz) 4.0 5.0 6.0 Frequency (GHz) Output Return Loss, across all major attenuation states Step Error vs. State over Frequency 0.8 0 0.6 -10 0.4 0.2 -20 0.0 -0.2 -30 -0.4 -0.6 2 GHz 4 GHz 6 GHz -40 -0.8 -1.0 0.0 4.0 8.0 State (dB) 12.0 16.0 -50 2.0 0.5 dB 1 dB 2 dB 4 dB 8 dB 15.5 dB 3.0 4.0 5.0 6.0 Frequency (GHz) 3 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. 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. 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. MAADSS0018 Digital Attenuator, 5-Bit, Single Control 15.5 dB, 2.0 - 6.0 GHz Rev. V1 IP3 49 Handling Procedures 48 Please observe the following precautions to avoid damage: 47 Static Sensitivity 46 2 GHz 5 GHz 45 Gallium Arsenide Integrated Circuits are sensitive to electrostatic discharge (ESD) and can be damaged by static electricity. Proper ESD control techniques should be used when handling these devices. 44 43 42 41 0 3 6 9 12 15 State Lead Free 3 mm 16-Lead PQFN † † Reference Application Note S2083 for lead-free solder reflow recommendations. Meets JEDEC moisture sensitivity level 1 requirements. Plating is 100% matte tin over copper. 4 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: 800.366.2266 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, • Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. • Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. 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. 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.