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| RoHS Compliant Digital Attenuator, 5-Bit, 15.5 dB 500 - 2500 MHz Features * * * * * * * 5 Bits, 0.5 dB Steps Excellent Accuracy Single Positive Control (+3 V to +5 V) Lead-Free MSOP-10 Package 100% Matte Tin Plating over Copper Halogen-Free "Green" Mold Compound RoHS* Compliant and 260C Reflow Compatible MAATSS0022 V2 Recommended Configuration RF1 0.1uF VC1 8 dB VC2 4 dB GND Description M/A-COM's MAATSS0022 is a 0.5 dB step GaAs MMIC digital attenuator with 15.5 dB attenuation range in a lead-free MSOP-10 package. It requires external DC blocking capacitors on the RF ports, positive supply voltage and five individual bit control voltages. The MAATSS0022 is particularly suited where high attenuation accuracy, low insertion loss and low intermodulation products are required. Typical applications include base stations, wireless data, and wireless local loop gain level control circuits. The MAATSS0022 is fabricated using M/A-COM's GaAs 1.0 micron process. The process features full chip passivation for increased performance and reliability. VC3 2 dB GND 1 dB VC4 0.5 dB GND 10K VC5 0.1uF Vs RF2 Pin Configuration Pin No. 1 2 3 4 5 Function VC1 VC2 VC3 VC4 VC5 Pin No. 6 7 8 9 10 Function RF Port 2 Ground Ground Ground RF Port 1 Ordering Information 1 Part Number MAATSS0022 MAATSS0022TR-3000 MAATSS0022SMB Package Bulk Packaging 3000 piece reel Sample Test Board Absolute Maximum Ratings 2,3 Parameter Input Power Voltage Operating Temperature Storage Temperature Absolute Maximum +34 dBm +7 V -40C to +85C -65C to +125C 1. Reference Application Note M513 for reel size information. 2. Exceeding any one or combination of these limits may cause permanent damage to this device. 3. M/A-COM does not recommend sustained operation near these survivability limits. * Restrictions on Hazardous Substances, European Union Directive 2002/95/EC. 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. * 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. RoHS Compliant Digital Attenuator, 5-Bit, 15.5 dB 500 - 2500 MHz Electrical Specifications: TA = 25 C, Z0 = 50 , Vs = +5 V, VC = 0 V / 5 V Parameter Conditions Frequency 0.5 - 0.8 GHz 0.8 - 1.8 GHz 1.8 - 2.2 GHz 2.1 GHz 2.2 - 2.5 GHz 0.5 - 2.5 GHz 0.5 - 0.8 GHz 0.8 - 1.8 GHz 1.8 - 2.2 GHz 2.1 GHz 2.2 - 2.5 GHz 0.5 - 2.5 GHz 0.5 - 2.5 GHz 0.5 - 2.5 GHz 0.5 - 2.5 GHz 0.5 - 2.5 GHz -- -- -- -- -- -- -- MAATSS0022 V2 Units dB dB dB dB dB Ratio dB dB dB dB dB dB dBm dBm dBm dBm S S mV A A A A Min. -- -- -- -- -- -- Typ. 1.45 1.75 2.05 2.1 2.2 1.6:1 Max. -- -- -- 2.5 -- -- Insertion Loss (reference state) -- VSWR Any State Accuracy Any State (0.3 + 4% atten setting) Typical (0.3 + 3% atten setting) Typical (0.3 + 6% atten setting) Typical (0.3 + 6% atten setting) Min / Max (0.3 + 8% atten setting) Typical -- -- -- -- -- -- -- -- -- -- -- -- 15.5 25 30 36 46 2 2 62 5 5 -- -- -- -- -- -- -- -- -- -- 40 40 100 100 Attenuation Range 1 dB Compression Input Power -- +3 V +5 V Two tones, Pin < +5 dBm / tone +3 V +5 V 10/90% or 90/10% RF 50% CNTL to 90/10% RF In Band +3 V +5 V +3 V +5 V IP3 Trise, Tfall Ton, Toff Transients Supply Current Total Control Current Truth Table 4 Control Inputs VC5 1 0 1 1 1 1 0 Operating Instructions VC2 1 1 1 1 0 1 0 VC4 1 1 0 1 1 1 0 VC3 1 1 1 0 1 1 0 VC1 1 1 1 1 1 0 0 Attenuation (dB) Reference 0.5 dB 1 dB 2 dB 4 dB 8 dB 15.5 dB The MAATSS0022 is designed to operate with 5 V logic levels. The difference between +3 V and +5 V operation is minimal for small signal performance. IIP3, however, is a strong function of voltage. +3 V is the minimum voltage at which the product will reliably operate. The MAATSS0022 requires a parallel interface that allows the user to enter a 5 bit digital word. Each state increments the attenuation by 0.5 dB giving a total range of 15.5 dB. The MAATSS0022 is not internally DC blocked. This means that the device requires DC blocking capacitors on the RF1 and RF2 ports. M/A-COM recommends 0.1 uF to allow for the entire frequency range to be utilized. Higher frequency applications can use smaller value capacitors as DC blocks. 4. 0 = 0.0 V 0.2 V, 1 = Vs = 5.0 V 0.2 V. 2 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. * 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. RoHS Compliant Digital Attenuator, 5-Bit, 15.5 dB 500 - 2500 MHz Typical Performance Curves @ +5 V Attenuation, All Major States 25 0.5 dB 1.0 dB 2.0 dB 4.0 dB 8.0 dB 15.5 dB MAATSS0022 V2 Insertion Loss 3.0 20 2.5 2.0 15 1.5 10 1.0 5 +25C +85C -40C 0.5 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) Frequency (GHz) Input Return Loss at Insertion Loss State 0 Output Return Loss at Insertion Loss State 0 -10 -10 -20 -20 -30 -30 -40 +25C +85C -40C -40 +25C +85C -40C -50 0.0 0.5 1.0 1.5 2.0 2.5 3.0 -50 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) Frequency (GHz) Input IP3 at Insertion Loss State 55 50 45 40 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3 Frequency (GHz) 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. * 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. RoHS Compliant Digital Attenuator, 5-Bit, 15.5 dB 500 - 2500 MHz Lead-Free MSOP-10 MAATSS0022 V2 Reference Application Note M538 for lead-free solder reflow recommendations. Meets JEDEC moisture sensitivity level 1 requirements. Handling Procedures Please observe the following precautions to avoid damage: Static Sensitivity 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. 4 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. * 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. |
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