MAAD-008789-000100 Digital Attenuator 32.0 dB, 2-Bit, TTL Driver, DC-4.0 GHz Rev. V1 Functional Schematic Features • • • • • • • Attenuation: Two 16 dB bits 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-008789-000100 is a GaAs FET 2-bit digital attenuator with two 16 dB steps and 32 dB total attenuation with integral TTL driver. This device is in a RoHS compliant PQFN plastic surface mount package. MAAD-008789-000100 is ideally suited for use where accuracy, very low power consumption and low costs are required. Typical applications include dynamic range setting in precision receiver circuits and other gain/leveling control circuits. Environmental screening is available. Contact the factory for information. Pin Configuration1 Ordering Information Pin No. Function Pin No. Function 1 GND 17 NC 2 GND 18 NC 3 C2 19 NC 4 C1 20 NC 5 GND 21 NC 6 GND 22 NC Part Number Package 7 GND 23 NC MAAD-008789-000100 Bulk Packaging 8 NC 24 NC MAAD-008789-0001TR 1000 piece reel 9 NC 25 NC 2 26 GND MAAD-008789-0001TB Sample Test Board Note: Reference Application Note M513 for reel size information. * Restrictions on Hazardous Substances, European Union Directive 2002/95/EC. 1. 2. 10 NC 11 GND 27 RF2 12 RF1 28 GND 13 GND 29 NC2 14 NC 30 Vee 15 NC 31 NC 16 NC 32 +Vcc 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 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-008789-000100 Digital Attenuator 32.0 dB, 2-Bit, TTL Driver, DC-4.0 GHz Rev. V1 Electrical Specifications: TA = 25°C, Z0 = 50Ω, VCC = +5.0V, VEE = -5.0V Parameter Test Conditions Frequency Units Min Typ Max Operating Power — — dBm — — +20 Insertion Loss — DC - 4.0 GHz dB — — 0.9 Attenuation Accuracy Relative to Reference Loss State 16 dB Bit (C1 Control) 32 dB Attenuation DC - 4.0 GHz DC - 4.0 GHz Reference Loss DC - 4.0 GHz Ratio — — 1.5:1 16 dB Bit (C1 Control) or 32 dB Attenuation DC - 4.0 GHz Ratio — — 1.8:1 1.3 V Cntl to 90% RF 1.3 V Cntl to 10% RF 10% RF to 90% RF 90% RF to 10% RF — — __ __ ns ns ns ns — — — — 190 15 190 6 — — — — 1 dB Compression3 Reference State Reference State 50 MHz 0.5 - 4.0 GHz dBm dBm — — +25 >+27 — — Input IP3 Two-tone inputs up to +5 dBm at reference state 50 MHz 0.5-4.0 GHz dBm dBm — — +40 +40 — — Vcc Vee — — — — V V 4.75 -8.0 5.0 -5.0 5.25 -4.75 VIL VIH LOW-level input voltage HIGH-level input voltage — — V V 0.0 1.8 0 2.0 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 — 15 — VSWR Switching Speed Ton Toff Trise Tfall 3. ±(0.2 +3% of atten setting in dB) ±(0.2 +3% of atten setting in dB) 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-008789-000100 Digital Attenuator 32.0 dB, 2-Bit, TTL Driver, DC-4.0 GHz Absolute Maximum Ratings 4,5 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 4. 5. 6. 6 Rev. V1 Recommended PCB Configuration7 -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. 7. Application Note S2083 is available on line at www.macom.com Handling Procedures Please observe the following precautions to avoid damage: Truth Table (Digital Attenuator)8 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. C2 C1 Attenuation 0 0 Loss, Reference 0 1 16.0 dB 1 1 32.0 dB 0 = TTL Low; 1 = TTL High 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. 8. C1 is specified as the control for the 16 dB bit. We show data for the performance with the C2 control - note that the electrical performance of the 16 dB bit controlled by C2 is not specified. 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-008789-000100 Digital Attenuator 32.0 dB, 2-Bit, TTL Driver, DC-4.0 GHz Rev. V1 Typical Performance Reference Loss vs. Frequency Attenuation - 16 dB bit (C1) Bit vs. Frequency 18.0 1.5 Reference Loss (dB) Reference Loss (dB) 2.0 1.0 0.5 17.0 16.0 15.0 0.0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 14.0 Frequency (GHz) 0.0 1.0 2.0 3.0 4.0 5.0 6.0 Frequency (GHz) Attenuation - 16 dB Bit (C2) vs. Frequency Attenuation - 32 dB Attenuation vs. Frequency 34.0 Reference Loss (dB) Reference Loss (dB) 18.0 17.0 16.0 15.0 33.0 32.0 31.0 30.0 29.0 0.0 1.0 2.0 14.0 3.0 4.0 5.0 Frequency (GHz) 0.0 1.0 2.0 3.0 4.0 5.0 6.0 Frequency (GHz) VSWR - 16 dB Bit (C1) vs. Frequency VSWR - Reference Loss State vs. Frequency 2.0 2.0 1.8 1.6 VSWR VSWR 1.8 1.6 1.4 1.4 1.2 1.2 1.0 0.0 1.0 1.0 2.0 3.0 4.0 5.0 6.0 Frequency (GHz) 0.0 1.0 2.0 3.0 4.0 5.0 6.0 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. 6.0 MAAD-008789-000100 Digital Attenuator 32.0 dB, 2-Bit, TTL Driver, DC-4.0 GHz Rev. V1 Typical Performance VSWR - 16 dB Bit (C2) vs. Frequency VSWR - 32 dB Attenuation vs. Frequency 2.0 2.0 1.8 VSWR VSWR 1.8 1.6 1.4 1.6 1.4 1.2 1.2 1.0 1.0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 0.0 1.0 Frequency (GHz) 2.0 3.0 4.0 5.0 6.0 Frequency (GHz) Typical IP2 and IP3 at Room Temperature9 IP2 IP3 Attenuation Units 50 MHz 500 MHz 2 GHz 50 MHz 500 MHz 2 GHz Reference State 59 80 80 40 45 42 dBm 16 dB 48 60 60 33 35 33 dBm 32 dB 47 54 54 33 30 30 dBm 9. IP2 and IP3 are measured with two-tone inputs F1 and F2 up to +5 dBm with 1 MHz spacing. 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-008789-000100 Digital Attenuator 32.0 dB, 2-Bit, TTL Driver, DC-4.0 GHz Rev. V1 CSP-1, 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.