AT90-0263 Digital Attenuator 31.0 dB, 5-Bit, TTL Driver, DC-3.0 GHz Features • • • • • • • • Rev. V11 Block Diagram Attenuation: 1.0 dB Steps to 31 dB Low DC Power Consumption Small Footprint, JEDEC Package Integral TTL Driver 50 ohm Impedance Test Boards are Available Tape and Reel Packaging Available CSP-1 Package Description M/A-COM's AT90-0263 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 a PQFN plastic surface mount package. The AT90-0263 is ideally suited for use where accuracy, fast speed, very low power consumption and low costs are required. Pin Configuration2 Ordering Information Part Number Package AT90-0263 Bulk Packaging AT90-0263TR 1000 piece reel AT90-0263-TB Sample Test Board Note: Reference Application Note M513 for reel size information. 1. 2. Pin No. Function Pin No. Function 1 GND 17 NC 2 C16 18 NC 3 C8 19 NC 4 C4 20 NC 5 C2 21 NC 6 C1 22 NC 7 GND 23 NC 8 NC 24 NC 9 NC 25 NC 1 26 GND 10 NC 11 GND 27 RF2 12 RF1 28 GND 13 GND 29 NC1 14 NC 30 Vee 15 NC 31 NC 16 NC 32 +Vcc Pins 10 & 29 must be isolated The exposed pad centered on the package bottom must be connected to RF and DC ground. (For PQFN Packages) 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. AT90-0263 Digital Attenuator 31.0 dB, 5-Bit, TTL Driver, DC-3.0 GHz Rev. V11 Electrical Specifications: TA = +25°C Parameter Test Conditions Frequency Units Min Typ Max Insertion Loss — DC - 3.0 GHz dB — 3.6 4.0 Attenuation Accuracy Individual Bits 1-2-4-8-16 dB Any Combination of Bits 1 to 31 dB DC - 3.0 GHz DC - 3.0 GHz dB dB — — — — ±(.3 +5% of atten setting) ±(.5 +7% of atten setting) VSWR Full Range DC - 3.0 GHz Ratio — 2.0:1 2.2:1 Switching Speed 50% Cntl to 90%/10% RF 10% to 90% or 90% to 10% — — ns ns — — 75 20 150 50 1 dB Compression — — 50 MHz 0.5 - 3.0 GHz dBm dBm — — +21 +24 — — Input IP3 Two-tone inputs up to +5 dBm 50 MHz 0.5 - 3.0 GHz dB dB — — +35 +48 — — 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 2.0 — — 0.8 5.0 lin (Input Leakage Current) Vin = VCC or GND — uA -1.0 — 1.0 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 — — 1.0 IEE VEE min to max, Vin = VIL or VIH — mA -1.0 -0.2 — Thermal Resistance θjc — — °C/W — 35 — 3,4 Absolute Maximum Ratings 3. 4. 5. Parameter Absolute Maximum Max. Input Power 0.05 GHz 0.5 - 3.0 GHz +27 dBm +34 dBm VCC -0.5V ≤ VCC ≤ +7.0V VEE -8.5V ≤ VEE ≤ +0.5V VCC - VEE -0.5V ≤ VCC - VEE ≤ 14.5V Vin5 -0.5V ≤ Vin ≤ VCC + 0.5V Operating Temperature -40ºC to +85ºC Storage Temperature -65ºC to +125ºC Recommended PCB Configuration6 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. 6. Application Note S2083 is available on line at www.macom.com 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. AT90-0263 Digital Attenuator 31.0 dB, 5-Bit, TTL Driver, DC-3.0 GHz Rev. V11 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 Truth Table (Digital Attenuator) C16 C8 C4 C2 C1 Attenuation 0 0 0 0 0 Loss, Reference 0 0 0 0 1 1.0 dB 0 0 0 1 0 2.0 dB 0 0 1 0 0 4.0 dB 0 1 0 0 0 8.0 dB 1 0 0 0 0 16.0 dB 1 1 1 1 1 31.0 dB 0 = TTL Low; 1 = TTL High 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. Typical Performance Curves VSWR @ Insertion Loss Insertion Loss Inp ut Out p ut 3.00 3.0 V SW R Loss (dB) 4.0 2.0 2.00 1.00 1.0 0 1000 2000 3000 0 4000 1000 Fre que ncy (MHz ) 2000 3000 4000 3000 4000 Frequency (MHz) Attenuation Error, 2 dB Bit 0.3 0.3 0.2 0.2 Error (dB) Error (dB) Attenuation Error, 1 dB Bit 0.1 0 0.1 0 -0.1 -0.1 0 1000 2000 Fre que ncy (MHz ) 3000 4000 0 1000 2000 Fre que ncy (MHz ) 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. AT90-0263 Digital Attenuator 31.0 dB, 5-Bit, TTL Driver, DC-3.0 GHz Rev. V11 Typical Performance Curves Attenuation Error, 8 dB Bit Attenuation Error, 4 dB Bit 0.7 0.7 0.5 Error (dB) Error (dB) 0.5 0.3 0.1 0.3 0.1 -0.1 0 1000 2000 3000 -0.1 4000 0 1000 Fre que ncy (MHz ) Attenuation Error, 16 dB Bit 3000 4000 3000 4000 3000 4000 Attenuation Error, Max. Attenuation 1.5 1.5 0.5 0.5 Error (dB) Error (dB) 2000 Fre que ncy (MHz ) -0.5 -0.5 -1.5 -1.5 0 1000 2000 3000 0 4000 1000 2000 Frequency (MHz) Fre que ncy (MHz ) VSWR, 1 dB Bit VSWR, 2 dB Bit O ut p ut Inp ut Inp ut 1.8 Out p ut 1.6 1.6 VSWR VSWR 1.4 1.4 1.2 1.2 1.0 1.0 0 1000 2000 Fre que ncy (MHz ) 3000 4000 0 1000 2000 Fre que ncy (MHz ) 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. AT90-0263 Digital Attenuator 31.0 dB, 5-Bit, TTL Driver, DC-3.0 GHz Rev. V11 Typical Performance Curves VSWR, 4 dB Bit VSWR, 8 dB Bit Inp ut Out p ut I np ut 1.6 1.4 1.4 O ut p ut VSWR VSWR 1.6 1.2 1.2 1.0 1.0 0 1000 2000 3000 4000 0 1000 Fre que ncy (MHz ) VSWR, 16 dB Bit 3000 4000 3000 4000 VSWR, Maximum Attenuation Inp ut Inp ut Out p ut 1.6 1.6 1.4 1.4 Out p ut VSWR VSW R 2000 Fre que ncy (MHz ) 1.2 1.2 1.0 0 1000 2000 Frequency (MHz) 3000 4000 1.0 0 1000 2000 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. AT90-0263 Digital Attenuator 31.0 dB, 5-Bit, TTL Driver, DC-3.0 GHz Rev. V11 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.