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| MAAD-007078-000100 Digital Attenuator 31.0 dB, 5-Bit, TTL Driver, DC-3.0 GHz Features * * * * * * * * * * * * Attenuation: 1.0dB Steps to 31dB Single Positive Supply Contains internal DC to DC converter Low DC Power Consumption Small Footprint, JEDEC Package Integral TTL Driver 50 ohm Impedance Lead-Free CSP-1 Package 100% Matte Tin Plating over Copper Halogen-Free "Green" Mold Compound 260C Reflow Compatible RoHS* Compliant Version of AT90-1263 Rev. V4 Functional Schematic Description M/A-COM's MAAD-007078-000100 is a GaAs FET 5-bit digital attenuator with integral TTL driver. Step size is 1.0 dB providing 31 dB total attenuation range. This device is in an FQFP-N plastic surface mount package. The MAAD-007078-000100 is ideally suited for use where accuracy, fast speed, very low power consumption and low costs are required. For dual supply designs without DC-DC converter noise, use MAATCC0010. Pin Configuration Pin No. 1 2 3 4 5 6 Function GND C16 C8 C4 C2 C1 GND NC NC NC1 GND RF1 GND NC NC NC Pin No. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Function NC NC Vcc NC CP2 NC CP1 NC Vee2 GND RF2 GND NC1 Vee2 NC Vcc Ordering Information Part Number MAAD-007078-000100 MAAD-007078-0001TR MAAD-007078-0001TB 7 8 Package Bulk Packaging 1000 piece reel Sample Test Board 9 10 11 12 13 14 15 16 1. 2. Note: Reference Application Note M513 for reel size information. * Restrictions on Hazardous Substances, European Union Directive 2002/95/EC. 1 3. Pins 10 & 29 must be isolated The negative voltage Vee is produced internally and requires a 0.1F cap to GND. Generated noise is typical of switching DC-DC Converters. The exposed pad centered on the package bottom must be connected to RF and DC ground. (For PQFN Packages) ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 * Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, * India Tel: +91.80.4155721 * China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. 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. 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. MAAD-007078-000100 Digital Attenuator 31.0 dB, 5-Bit, TTL Driver, DC-3.0 GHz Electrical Specifications: TA = 25C, Z0 = 50 Parameter Insertion Loss Attenuation Accuracy VSWR Switching Speed 1 dB Compression Input IP3 Vcc VIL VIH lin (Input Leakage Current) Icc 4 Rev. V4 Test Conditions -- Individual Bits 1-2-4-8-16 dB Any Combination of Bits 1 to 31 dB Full Range 50% Cntl to 90%/10% RF 10% to 90% or 90% to 10% -- -- Two-tone inputs up to +5 dBm -- LOW-level input voltage HIGH-level input voltage Vin = VCC or GND Vcc min to max, Logic "0" or "1" For guaranteed start-up VCC = Max, Vcntrl = VCC - 2.1 V Frequency DC - 3.0 GHz DC - 3.0 GHz DC - 3.0 GHz DC - 3.0 GHz -- -- 50 MHz 0.5 - 3.0 GHz 50 MHz 0.5-3.0 GHz -- -- -- -- -- -- -- Units dB dB dB Ratio ns ns dBm dBm dB dB V V V uA mA mA mA Min -- -- -- -- -- -- -- -- -- -- 4.75 0.0 2.0 -1.0 -- -- -- Typ 3.5 -- -- 2.0:1 75 20 +21 +24 +35 +48 5.0 -- -- -- 6 -- -- Max 3.8 (.3 +5% of atten setting) (.5 +7% of atten setting) 2.2:1 150 50 -- -- -- -- 5.25 0.8 5.0 1.0 10 125 1.0 Turn-on Current5 Icc (Additional Supply Current Per TTL Input Pin) Switching Noise Generated from DC-DC Converter with recommended capacitors -- 3.5 MHz dBm -- -93 -- Thermal Resistance jc -- C/W -- 35 -- 4. During turn-on, the device requires an initial start up current (Icc) specified as "Turn-on Current". Once operational, Icc will drop to the specified levels. 5. The DC-DC converter is guaranteed to start in 100 s as long as the power supplies have the maximum turn-on current available for start up. Recommended PCB Configuration 9 Absolute Maximum Ratings 6,7 Parameter Max. Input Power 0.05 GHz 0.5 - 3.0 GHz VCC Vin8 Operating Temperature Storage Temperature Absolute Maximum +27 dBm +34 dBm -0.5V VCC +6.0V -0.5V Vin VCC + 0.5V -40C to +85C -65C to +125C 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. 8. Standard CMOS TTL interface, latch-up will occur if logic signal is applied prior to power supply. 2 9. Application Note S2083 is available on line at www.macom.com ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 * Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, * India Tel: +91.80.4155721 * China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. 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. 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. MAAD-007078-000100 Digital Attenuator 31.0 dB, 5-Bit, TTL Driver, DC-3.0 GHz Handling Procedures Please observe the following precautions to avoid damage: Rev. V4 Truth Table (Digital Attenuator) C16 0 0 0 0 0 1 1 C8 0 0 0 0 1 0 1 C4 0 0 0 1 0 0 1 C2 0 0 1 0 0 0 1 C1 0 1 0 0 0 0 1 Attenuation Loss, Reference 1.0 dB 2.0 dB 4.0 dB 8.0 dB 16.0 dB 31.0 dB 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. Moisture Sensitivity The MSL rating for this part is defined as Level 2 per IPC/JEDEC J-STD-020. Parts shall be stored and/or baked as required for MSL Level 2 parts. 0 = TTL Low; 1 = TTL High Typical Performance Curves Insertion Loss 4.0 VSWR @ Insertion Loss Inp ut 3.00 Out p ut Loss (dB) 3.0 V SW R 2.00 2.0 1.0 0 1000 2000 3000 4000 1.00 0 1000 2000 3000 4000 Fre que ncy (MHz ) Frequency (MHz) Attenuation Error, 2 dB Bit Attenuation Error, 1 dB Bit 0.3 0.3 0.2 0.2 Error (dB) 0.1 Error (dB) 0 1000 2000 3000 4000 0.1 0 0 -0.1 -0.1 0 1000 2000 3000 4000 Fre que ncy (MHz ) 3 Fre que ncy (MHz ) ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 * Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, * India Tel: +91.80.4155721 * China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. 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. 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. MAAD-007078-000100 Digital Attenuator 31.0 dB, 5-Bit, TTL Driver, DC-3.0 GHz Typical Performance Curves Attenuation Error, 4 dB Bit 0.7 Rev. V4 Attenuation Error, 8 dB Bit 0.7 0.5 0.5 Error (dB) Error (dB) 0 1000 2000 3000 4000 0.3 0.3 0.1 0.1 -0.1 -0.1 0 1000 2000 3000 4000 Fre que ncy (MHz ) Fre que ncy (MHz ) Attenuation Error, 16 dB Bit Attenuation Error, Max. Attenuation 1.5 1.5 Error (dB) -0.5 Error (dB) 0 1000 2000 3000 4000 0.5 0.5 -0.5 -1.5 -1.5 0 1000 2000 3000 4000 Fre que ncy (MHz ) Fre que ncy (MHz ) VSWR, 1 dB Bit O ut p ut 1.8 Inp ut VSWR, 2 dB Bit Inp ut 1.6 Out p ut 1.6 1.4 VSWR 1.4 VSWR 0 1000 2000 3000 4000 1.2 1.2 1.0 1.0 0 1000 2000 3000 4000 Fre que ncy (MHz ) 4 Fre que ncy (MHz ) ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 * Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, * India Tel: +91.80.4155721 * China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. 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. 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. MAAD-007078-000100 Digital Attenuator 31.0 dB, 5-Bit, TTL Driver, DC-3.0 GHz Typical Performance Curves VSWR, 4 dB Bit VSWR, 8 dB Bit Rev. V4 Inp ut 1.6 Out p ut Inp ut 1.6 O ut p ut 1.4 1.4 VSWR 1.2 VSWR 1.2 1.0 0 1000 2000 3000 4000 1.0 0 1000 2000 3000 4000 Fre que ncy (MHz ) Fre que ncy (MHz ) VSWR, 16 dB Bit VSWR, Maximum Attenuation Inp ut 1.6 Out p ut 1.6 Inp ut Out p ut 1.4 1.4 VSW R 1.2 VSWR 1.2 1.0 0 1000 2000 3000 4000 1.0 0 1000 2000 3000 4000 Frequency (MHz) Fre que ncy (MHz) 5 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 * Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, * India Tel: +91.80.4155721 * China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. 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. 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. MAAD-007078-000100 Digital Attenuator 31.0 dB, 5-Bit, TTL Driver, DC-3.0 GHz Rev. V4 CSP-1, Lead-Free 4 x 6 mm, 32-lead PQFN Reference Application Note M538 for lead-free solder reflow recommendations. 6 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 * Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, * India Tel: +91.80.4155721 * China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. 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. 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. |
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