MAAD-000523 Digital Attenuator, 6-Bit, Serial / Parallel Control Rev. V2 31.5 dB, 0.7 - 6.0 GHz 3,4 Functional Schematic Features Integrated CMOS/TTL Compatible Driver Parallel & Serial (P/S) Control with power-up state selection 24 19 Insertion Loss: 1.6 dB typical 2.1 GHz V 18 DD P/S 1 IP3: 50 dBm typical 2 GHz Attenuation Accuracy: PUP1 CLK +/-(0.4 + 4% of attenuation setting) dB PUP2 SER IN 0.5-dB Attenuation Steps to 31.5 dB Useable from 0.4 to 8.0 GHz LE SER OUT Lead-Free 4 mm 24-Lead PQFN Package Halogen-Free Green Mold Compound GND N/C RoHS* Compliant and 260C Re-flow Compatible 13 RF IN 6 RF OUT Small Relative Phase Variation per Bit 7 12 Description The MAAD-000523 is a 6-bit, 0.5-dB step GaAs MMIC digital attenuator in a lead-free 4 mm 24 lead 3. Blocking capacitors are required on all RF ports. PQFN surface mount plastic package. This device is 4. For optimum RF performance all N/Cs should be terminated to GND. ideally suited for use where high accuracy, very low power consumption and low intermodulation products are required. Typical applications include Pin Configuration Cellular Basestation R /T Line-up, Femtocells, and X X other gain / level control circuits. Pin No. Function Pin No. Function 1 P/S 13 RF OUT This attenuator is controlled with either a SPI compatible serial interface or a 6 bit parallel word. 2 CLK 14 No Connection 3 Serial IN 15 Serial OUT 4 LE 16 PUP2 5 Ground 17 PUP1 1 6 RF IN 18 V DD Ordering Information 7 No Connection 19 VC16 Part Number Package 8 No Connection 20 VC8 MAAD-000523-TR1000 1000 piece reel 9 No Connection 21 VC4 MAAD-000523-TR3000 3000 piece reel 10 No Connection 22 VC2 MAAD-000523-001SMB Sample Board 11 No Connection 23 VC1 1. Reference Application Note M513 for reel size information. 2. All sample boards include 5 loose parts. 12 No Connection 24 VC0.5 * 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: MAAD-000523 Digital Attenuator, 6-Bit, Serial / Parallel Control Rev. V2 31.5 dB, 0.7 - 6.0 GHz 5 6 Electrical Specifications : T = 25C, Z = 50 , V = 5 V, V = 0/+5 V A 0 DD C Parameter Test Conditions Units Min. Typ. Max. 0.7 GHz 1.3 2.1 GHz 1.6 2.3 Reference Insertion Loss dB 4.0 GHz 2.0 6.0 GHz 2.5 Attenuation Accuracy 0.7 - 6.0 GHz (0.4 + 4% of attenuation setting) dB typ. VSWR 0.7 - 6.0 GHz Ratio 1.2:1 Trise, Tfall 10% to 90% RF, 90% to 10% RF ns 70 50% Control to 90% RF, Ton, Toff ns 100 50% Control to 10% RF Settling Time Loss Delta RF Loss Difference within 30 s to 500 s dB 0.2 (Gate Lag) 2 GHz and 500 s Pulse Transients In Band mV 50 Input P1dB 2.0 GHz dBm 25 2-Tone, +10 dBm/tone, 1 MHz Spacing IP dBm 75 2 2.0 - 6.0 GHz 2-Tone, +10 dBm/tone, 1 MHz Spacing IP dBm 50 3 2.0 - 6.0 GHz I V = 5V A 0 600 DD DD 5. External DC blocking capacitors are required on all RF ports. Loss varies at 0.003 dB/C. 6 7,8 Truth Table Absolute Maximum Ratings VC16 VC8 VC4 VC2 VC1 VC0.5 Attenuation (dB) Parameter Absolute Maximum 1 1 1 1 1 1 Reference IL Input Power +27 dBm 700 - 6000 MHz 1 1 1 1 1 0 0.5 Operating Voltage 6 V 1 1 1 1 0 1 1 1 1 1 0 1 1 2 Control Voltage -0.5 V < V < 5.5 V C 1 1 0 1 1 1 4 Operating Temperature -40C to +85C 1 0 1 1 1 1 8 Junction Temperature +150C 0 1 1 1 1 1 16 Storage Temperature -65C to +150C 0 0 0 0 0 0 31.5 7. Exceeding any one or combination of these limits may cause permanent damage to this device. 6. 0 = 0 to 0.8V, 1 = 2 to 5V. 8. M/A-COM Technology Solutions does not recommend sustained operation near these survivability limits. 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: