MAADSS0012 Digital Attenuator, 1-Bit, Single Control 21 dB, 0.8 - 8.0 GHz Functional Schematic 3 Features * * * * * * * * Rev. V2 21 dB Step Attenuator Positive Control: 2.5 V typical Insertion Loss: 0.75 dB typical @ 2.0 GHz Current Consumption: 40 A typical IP3: >42 dBm typical @ 2.0 GHz Lead-Free 2mm 8-Lead PDFN Package Halogen-Free "Green" Mold Compound RoHS* Compliant and 260C Re-flow Compatible Description M/A-COM's MAADSS0012 is a 1-bit, 21 dB step attenuator. This GaAs MMIC digital attenuator is packaged in an ultra small lead free 2 mm 8-Lead PDFN surface mount package. The MAADSS0012 digital attenuator will work with any power source operating between 2.8 and 5.0 volts. This single bit attenuator is ideally suited for use in wide band systems, up to 8.0 GHz where good linearity and low insertion loss are required. 3. Blocking capacitors are required on all RF ports. Pin Configuration Pin No. Function Pin No. Function 1 VC 5 Ground 2 Ground 6 RF In/Out 3 RF In/Out 7 Ground 4 Ground 8 VDD Typical applications for the MAADSS0012 attenuator include WiMAX (802.16), Mesh Networks, Multiband repeaters and other linear systems. Absolute Maximum Ratings 4,5 Parameter Absolute Maximum Input Power 0.8 - 8.0 GHz VDD = 2.8 - 5.0 V +33 dBm Control Voltage -0.5 V < VC < 5.0 V Operating Temperature -40C to +85C Storage Temperature -65C to +150C Ordering Information 1,2 Part Number Package MAADSS0012TR-3000 3000 piece reel MAADSS0012SMB Sample Test Board 1. Reference Application Note M513 for reel size information. 2. All sample boards include 5 loose parts. 4. Exceeding any one or combination of these limits may cause permanent damage to this device. 5. M/A-COM does not recommend sustained operation near these survivability limits. * 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. MAADSS0012 Digital Attenuator, 1-Bit, Single Control 21 dB, 0.8 - 8.0 GHz Rev. V2 Electrical Specifications 6: TA = 25C, Z0 = 50 , VC = 2.5 V, VDD = 2.8 V Parameter Test Conditions Units Min. Typ. Max. Reference Insertion Loss 2.0 GHz Attenuation 2.0 GHz dB -- 0.75 1.0 dB 20 21 22 Return Loss 2.0 - 8.0 GHz dB -- 20 -- 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 -- 200 -- Transients In Band mV -- 20 -- 1 dB Compression Input Power, 0.8 - 8.0 GHz dBm -- 25 -- IP2 2.0 - 8.0 GHz Measured Relative to Input (for two-tone Input Power up to +5 dBm) dBm -- 70 -- IP3 2.0 - 8.0 GHz Measured Relative to Input (for two-tone Input Power up to +5 dBm) dBm -- 42 -- IC VC = 2.5 V A -- 15 20 IDD VDD = 2.8 V A -- 40 60 6. External DC blocking capacitors are required on all RF ports. Loss varies at 0.003 dB/C. Recommended Configuration Parts List Part Value Case Style Manufacturer C1, C4 15 pF 0402 Murata C2, C3 47 pF 0201 Murata R1, R2 10K 0201 Panasonic Truth Table 7 VC Attenuation (dB) 0 Reference IL 1 21 7. 0 = 0 0.2 V, 1 = +2.5 to 5 V, minimum 2.5 V delta. 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. MAADSS0012 Digital Attenuator, 1-Bit, Single Control 21 dB, 0.8 - 8.0 GHz Rev. V2 Typical Performance Curves Relative Attenuation Insertion Loss 0.0 -20.0 +25C -40C +85C -0.5 -1.0 -21.0 -1.5 -21.5 -2.0 2 3 4 5 6 7 +25C -40C +85C -20.5 8 -22.0 2 3 Frequency (GHz) Input Return Loss, Insertion Loss State 6 7 8 7 8 -10 +25C -40C +85C -15 -15 -20 -20 -25 -25 2 3 4 5 6 7 8 -30 +25C -40C +85C 2 3 4 5 6 Frequency (GHz) Frequency (GHz) Output Return Loss, Attenuation State Output Return Loss, Insertion Loss State -10 -10 +25C -40C +85C -15 -15 -20 -20 -25 -25 -30 5 Input Return Loss, Attenuation State -10 -30 4 Frequency (GHz) 2 3 4 5 6 Frequency (GHz) 7 8 -30 +25C -40C +85C 2 3 4 5 6 7 8 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. MAADSS0012 Digital Attenuator, 1-Bit, Single Control 21 dB, 0.8 - 8.0 GHz Rev. V2 Typical Performance Curves IP2 IP3 46 90 45 85 44 Insertion Loss State Attenuation State 80 Attenuation State 43 Insertion Loss State 75 42 70 41 40 2.0 2.5 3.0 3.5 4.0 4.5 5.0 65 2.0 Frequency (GHz) 2.5 3.0 3.5 4.0 4.5 5.0 Frequency (GHz) Handling Procedures Please observe the following precautions to avoid damage: Static Sensitivity Lead-Free 2 mm 8-Lead PDFN 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. 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. MAADSS0012 Digital Attenuator, 1-Bit, Single Control 21 dB, 0.8 - 8.0 GHz Rev. V2 Applications Section--Low Frequency Measurement Insertion Loss Relative Attenuation 0.0 -8.0 -0.5 -11.5 -1.0 -15.0 +25C -40C +85C -1.5 -2.0 0.0 0.5 1.0 1.5 +25C -40C +85C -18.5 2.0 -22.0 0.0 0.5 Frequency (GHz) 1.0 1.5 2.0 Frequency (GHz) Input Return Loss--Insertion Loss State Input Return Loss--Attenuation State -10 0 -5 -15 +25C -40C +85C -10 +25C -40C +85C -20 -15 -20 -25 -25 -30 0.0 0.5 1.0 1.5 2.0 -30 0.0 0.5 Frequency (GHz) 1.0 1.5 2.0 Frequency (GHz) Output Return Loss--Insertion Loss State Output Return Loss--Attenuation State -10 0 -5 -15 +25C -40C +85C -10 +25C -40C +85C -20 -15 -20 -25 -25 -30 0.0 0.5 1.0 1.5 2.0 -30 0.0 0.5 Frequency (GHz) 1.0 1.5 2.0 Frequency (GHz) This data shows the MAADSS0012 with the board and connector loss removed. M/A-COM recommends using DC-Blocking capacitors large enough that their Xc is insignificant at the frequency of use. At 800 MHz a capacitor value greater than 1000 pF is recommended. 5 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.