MAATCC0008 Digital Attenuator Rev. V5 15.0 dB, 4-Bit, TTL Driver, DC-3.0 GHz Features Schematic with Off-Chip Components or Attenuation: 1.0 dB steps to 15 dB Functional Block Diagram Low DC Power Consumption Integral TTL Driver 50 Ohm Impedance Temperature Stability: 0.18 dB from 40C to +85C Typ. Lead-Free SO-16 Package 100% Matte Tin Plating over Copper Halogen-Free Green Mold Compound 260C Reflow Compatible RoHS* Compliant Version of AT65-0413 Description M/A-COMs MAATCC0008 is a GaAs FET 4-bit digital attenuator with a 1.0 dB minimum step size and a 15 dB total attenuation range. This device is in a SOIC-16 plastic surface mount package. The MAATCC0008 is ideally suited for use where accuracy, fast speed, 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. Pin Configuration Ordering Information Pin No. Function Pin No. Function 1 GND 9 C2 Part Number Package 2 RF1 10 C1 MAATCC0008 Bulk Packaging 3 GND 11 GND 1 MAATCC0008TR 1000 piece reel 4 NC 12 GND 1 5 Vee 13 NC MAATCC0008-TB Sample Test Board 6 Vcc 14 GND Note: Reference Application Note M513 for reel size information. 7 C4 15 RF2 8 C3 16 GND 1. NC = No Connection * Restrictions on Hazardous Substances, European Union Directive 2002/95/EC. 11 1 M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Visit www.macom.com for additional data sheets and product information. For further information and support please visit: MAATCC0008 Digital Attenuator Rev. V5 15.0 dB, 4-Bit, TTL Driver, DC-3.0 GHz Electrical Specifications: T = 25C A Parameter Test Conditions Frequency Units Min Typ Max Insertion Loss DC - 0.5 GHz dB 1.5 1.9 DC - 2.0 GHz dB 1.8 2.2 DC - 3.0 GHz dB 2.1 2.6 Attenuation Accuracy Any Bit or Combination of Bits DC - 3.0 GHz dB (.25 + 3% of attenuation) or .55 dB, Whichever is greater VSWR Full Range DC - 3.0 GHz Ratio 1.6:1 Trise, Tfall 10% to 90% 10% to 90% nS 10 50 Ton, Toff 50% Cntl to 90%/10% RF 50% Cntl to 90%/10% RF nS 30 150 Transients In-Band In-Band mV 35 Switching Speed 50% Cntl to 90%/10% RF ns 25 10% to 90% or 90% to 10% ns 4 1 dB Compression 50 MHz dBm +21 0.5 - 3.0 GHz dBm +27 Input IP3 Two-tone Inputs up to +5 dBm 50 MHz dBm +35 0.5 - 3.0 GHz dBm +48 Input IP2 Two-tone inputs up to +5 dBm 0.05 GHz dBm +43 0.5 - 3.0 GHz dBm +73 Vcc V 4.5 5.0 5.5 VEE V -8.0 -5.0 -4.75 V LOW-level input voltage V 0.0 0.8 IL V HIGH-level input voltage V 2.0 5.0 IH lin (Input Leakage Current) Vin = V or GND uA -1.0 1.0 CC Icc Vcntrl = V or GND uA 250 400 CC (Quiescent Supply Current) Icc V = Max, Vcntrl = V - 2.1 V mA 1.0 CC CC (Additional Supply Current Per TTL Input Pin) IEE VEE min to max, Vin = V or V mA -1.0 -0.2 IL IH 2,3 Absolute Maximum Ratings Recommended PCB Configuration Parameter Absolute Maximum Max. Input Power 0.05 GHz +27 dBm 0.5 - 3.0 GHz +34 dBm V -0.5V V +7.0V CC CC V -8.5V V +0.5V EE EE V - V -0.5V V - V 14.5V CC EE CC EE 4 Vin -0.5V Vin V + 0.5V CC Operating Temperature -40C to +85C Storage Temperature -65C to +125C 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. 4. Standard CMOS TTL interface, latch-up will occur if logic signal is applied prior to power supply. 22 2 M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Visit www.macom.com for additional data sheets and product information. For further information and support please visit: