MAAD-008791-000100 Digital Attenuator 31.5 dB, 6-Bit, TTL Driver, DC-3.0 GHz Functional Schematic Features • • • • • • • Rev. V1 Attenuation: 0.5 dB Steps to 31.5 dB Low DC Power Consumption Small Footprint, PQFN Package Integral TTL Driver 50 ohm Impedance Test Boards are Available RoHS* Compliant Description M/A-COM's MAAD-008791-000100 is a GaAs pHEMT 6-bit digital attenuator with integral TTL driver. Step size is 0.5 dB providing a 31.5 dB total attenuation range. This device is in an PQFN plastic surface mount package. MAAD-008791-000100 is ideally suited for use where accuracy, very low power consumption and low costs are required. Pin Configuration1 Ordering Information Pin No. Function Pin No. Function 1 C6 17 NC 2 C5 18 NC 3 C4 19 NC 4 C3 20 NC 5 C2 21 NC 6 C1 22 NC 7 GND 23 NC 8 NC 24 NC Part Number Package 9 NC 25 NC MAAD-008791-000100 Bulk Packaging 10 NC2 26 GND MAAD-008791-0001TR 1000 piece reel 11 GND 27 RF2 MAAD-008791-0001TB Sample Test Board 12 RF1 28 GND 13 GND 29 NC2 14 NC 30 Vee 15 NC 31 NC 16 NC 32 +Vcc Note: Reference Application Note M513 for reel size information. 1. 2. The exposed pad centered on the package bottom must be connected to RF and DC ground. (For PQFN Packages) Pins 10 & 29 must be isolated * 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 • 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-008791-000100 Digital Attenuator 31.5 dB, 6-Bit, TTL Driver, DC-3.0 GHz Rev. V1 Electrical Specifications: TA = 25°C, Z0 = 50Ω, VCC = +5.0V, VEE = -5.0V 3. 4. 5. Parameter Test Conditions Frequency Units Min Typ Max Operating Power — — dBm — — +20 Reference Insertion Loss — DC - 2.0 GHz 2.0 - 3.0 GHz dB dB — — — — 1.8 2.2 Attenuation Accuracy3 Relative to Reference Loss State Any Single Bit Any Combination of Bits DC - 3.0 GHz DC - 3.0 GHz VSWR Full Range DC - 3.0 GHz Ratio — — 1.8:1 Switching Speed4 Ton Toff Trise Tfall 1.3 V Cntl to 90% RF 1.3 V Cntl to 90% RF 10% RF to 90% RF 90% RF to 10% RF — — __ __ us ns us ns — — — — 4.0 12 4.0 4 — — — — 1 dB Compression5 Reference State Reference State 0.05 GHz 0.5 - 3.0 GHz dBm dBm — — +25 >+27 — — Input IP3 Two-tone inputs up to +5 dBm 0.05-3.0 GHz dBm — See Table — Input IP2 Two-tone inputs up to +5 dBm 0.05-3.0 GHz dBm — See Table — Vcc Vee — — — — V V 4.5 -8.0 5.0 -5.0 5.5 -4.5 VIL VIH LOW-level input voltage HIGH-level input voltage — — V V 0.0 2.0 0.0 5.0 0.8 5.0 lin (Input Leakage Current) Vin = VCC or GND — uA -1 — 1 Icc (Quiescent Supply Current) Vcntrl = VCC or GND — uA — 250 400 ΔIcc (Additional Supply Current Per TTL Input Pin) VCC = Max Vcntrl = VCC - 2.1 V — mA — — 1.5 IEE VEE min to max Vin = VIL or VIH — mA -1.0 -0.2 — Thermal Resistance θjc — — °C/W — 35 — ±(0.25 +2% of atten setting in dB) ±(0.25 +2% of atten setting in dB) This attenuator is guaranteed monotonic. Switching speed was measured between reference loss state and 31.5 dB attenuation state. 1 dB Compression was measured up to +27 dBm, which is the absolute maximum rating for this device. 2 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-008791-000100 Digital Attenuator 31.5 dB, 6-Bit, TTL Driver, DC-3.0 GHz Rev. V1 Recommended PCB Configuration 9 Absolute Maximum Ratings 6,7 Parameter Absolute Maximum Max. Input Power +27 dBm VCC -0.5V ≤ VCC ≤ +7.0V VEE -8.5V ≤ VEE ≤ +0.5V VCC - VEE -0.5V ≤ VCC - VEE ≤ 14.5V Vin 6. 7. 8. 8 -0.5V ≤ Vin ≤ VCC + 0.5V Operating Temperature -40ºC to +85ºC Storage Temperature -65ºC to +125ºC Exceeding any one or combination of these limits may cause permanent damage to this device. M/A-COM does not recommend sustained operation near these survivability limits. Standard CMOS TTL interface, latch-up will occur if logic signal is applied prior to power supply. 9. Application Note S2083 is available on line at www.macom.com 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. 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. Truth Table (Digital Attenuator) C6 C5 C4 C3 C2 C1 Attenuation 0 0 0 0 0 0 Loss, Reference 0 0 0 0 0 1 0.5 dB 0 0 0 0 1 0 1.0 dB 0 0 0 1 0 0 2.0 dB 0 0 1 0 0 0 4.0 dB 0 1 0 0 0 0 8.0 dB 1 0 0 0 0 = TTL Low; 1 = TTL High 1 1 1 1 0 0 16.0 dB 1 1 31.5 dB 3 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-008791-000100 Digital Attenuator 31.5 dB, 6-Bit, TTL Driver, DC-3.0 GHz Rev. V1 Typical Performance Curves Reference Loss vs. Frequency Attenuation - 0.5 dB Bit vs. Frequency 1.0 2.5 -40ºC 0.8 2.0 Attenuation (dB) Reference Loss (dB) 25ºC 85ºC 1.5 1.0 25ºC 0.6 0.4 0.2 -40ºC 0.0 0.5 0.0 85ºC 1.0 2.0 3.0 0.0 4.0 1.0 Attenuation - 1 dB Bit vs. Frequency 4.0 3.0 4.0 3.0 4.0 2.4 1.1 2.3 85ºC Attenuation (dB) Attenuation (dB) 3.0 Attenuation - 2 dB Bit vs. Frequency 1.2 1.0 0.9 -40ºC 25ºC -40ºC 2.2 25ºC 2.1 2.0 85ºC 1.9 1.8 0.8 0.0 1.0 2.0 3.0 0.0 4.0 1.0 2.0 Frequency (GHz) Frequency (GHz) Attenuation - 4 dB Bit vs. Frequency Attenuation - 8 dB Bit vs. Frequency 4.6 9.5 25ºC -40ºC 9.0 Attenuation (dB) 4.4 Attenuation (dB) 2.0 Frequency (GHz) Frequency (GHz) 4.2 4.0 3.8 -40ºC 25ºC 8.5 8.0 7.5 85ºC 85ºC 3.6 7.0 0.0 1.0 2.0 Frequency (GHz) 3.0 4.0 0.0 1.0 2.0 Frequency (GHz) 4 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-008791-000100 Digital Attenuator 31.5 dB, 6-Bit, TTL Driver, DC-3.0 GHz Rev. V1 Typical Performance Curves Attenuation - 16 dB Bit vs. Frequency Attenuation - 31.5 dB Attenuation vs. Frequency 34.0 17.5 -40ºC 25ºC Attenuation (dB) Attenuation (dB) 17.0 16.5 16.0 85ºC 15.5 -40ºC 33.0 25ºC 32.0 31.0 85ºC 30.0 15.0 0.0 1.0 2.0 3.0 0.0 4.0 1.0 2.0 Frequency (GHz) 1.8 1.8 1.6 1.6 RF1 1.2 3.0 4.0 3.0 4.0 1.4 RF1 1.2 RF2 RF2 1.0 1.0 0.0 1.0 2.0 3.0 0.0 4.0 1.0 2.0 Frequency (GHz) Frequency (GHz) VSWR - 1 dB Bit vs. Frequency VSWR - 2 dB Bit vs. Frequency 1.8 1.8 1.6 1.6 RF2 1.4 VSWR VSWR 4.0 VSWR - 0.5 dB Bit vs. Frequency VSWR VSWR VSWR - Reference State vs. Frequency 1.4 3.0 Frequency (GHz) RF1 1.4 RF1 1.2 1.2 RF2 1.0 1.0 0.0 1.0 2.0 Frequency (GHz) 3.0 4.0 0.0 1.0 2.0 Frequency (GHz) 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-008791-000100 Digital Attenuator 31.5 dB, 6-Bit, TTL Driver, DC-3.0 GHz Rev. V1 Typical Performance Curves VSWR - 8 dB Bit vs. Frequency 1.8 1.8 1.6 1.6 1.4 VSWR VSWR VSWR - 4 dB Bit vs. Frequency RF1 RF2 1.4 RF1 1.2 1.2 RF2 1.0 1.0 0.0 1.0 2.0 3.0 0.0 4.0 1.0 Frequency (GHz) 3.0 4.0 VSWR - 31.5 dB Attenuation vs. Frequency VSWR - 16 dB Bit vs. Frequency 1.8 1.8 1.6 1.6 RF2 RF2 VSWR VSWR 2.0 Frequency (GHz) 1.4 1.2 1.4 1.2 RF1 RF1 1.0 1.0 0.0 1.0 2.0 Frequency (GHz) 3.0 4.0 0.0 1.0 2.0 3.0 4.0 Frequency (GHz) 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. MAAD-008791-000100 Digital Attenuator 31.5 dB, 6-Bit, TTL Driver, DC-3.0 GHz Rev. V1 Typical Performance Typical Input IP2 and IP3 at Room Temperature10 IP2 Attenuation IP3 50 MHz 500 MHz 1 GHz 3 GHz 50 MHz 500 MHz 1 GHz 3 GHz Units Reference State 58 74 78 78 40 40 40 40 dBm 0.5 dB 58 74 78 80 40 42 40 41 dBm 1 dB 58 74 78 80 40 42 40 41 dBm 2 dB 60 74 78 80 40 38 40 41 dBm 4 dB 60 74 78 80 33 38 36 36 dBm 8 dB 53 70 74 78 40 36 42 42 dBm 16 dB 47 68 64 67 33 33 38 38 dBm 31.5 dB 55 70 64 67 36 36 38 38 dBm 10. IP2 and IP3 are measured with two-tone inputs F1 and F2 up to +5 dBm with 1 MHz spacing. CSP-1, 4 x 6 mm, 32-lead PQFN† † Reference Application Note M538 for lead-free solder reflow recommendations. 7 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.