AT65-0106 Digital Attenuator, 50 dB, 6-Bit, TTL Driver, DC - 2.0 GHz Features n n n n n n n V 6.00 SOW-24 Attenuation: 1 dB Steps to 50 dB Low DC Power Consumption Plastic SOIC, Wide Body, SMT Package Integral TTL Driver 50 ohm Impedance Test Boards are Available Tape and Reel Packaging Available Description M/A-COM's AT65-0106 is a GaAs FET 6-bit digital attenuator with a 1 dB minimum step size and a 50 dB total attenuation range. This device is in a SOIC-24, wide body plastic surface mount package. The AT65-0106 is ideally suited for use where accuracy, fast speed, very low power consumption and low costs are required. Package outline conforms to JEDEC standard MS-013AD. Electrical Specifications: TA = 25°C Parameter Test Conditions Frequency Units Min Typ Max Insertion Loss — DC - 2.0 GHz dB — 4.2 4.7 Attenuation Accuracy Individual Bits 1-2-4-8-16-32 dB Any Combination of Bits 3 to 15 dB Any Combination of Bits 17 to 31 dB Any Combination of Bits 32 to 50 dB DC - 2.0 GHz DC - 2.0 GHz DC - 2.0 GHz DC - 2.0 GHz dB dB dB dB — — — — — — — — ±(.3 +3% of atten setting) ±(.5 +5% of atten setting) ±(.3 +3% of atten setting) ±(.5 +7% of atten setting) Full Range DC - 2.0 GHz Ratio — 1.8:1 2:1 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 - 2.0 GHz dBm dBm — — +21 +29 — — Input IP3 Two-tone inputs up to +5 dBm @ 0 dB Attenuation 50 MHz 0.5-2.0 GHz dB dB — — +35 +48 — — Vcc -Vee — — — — V V 4.75 -8.0 5.0 -5.0 5.25 -4.75 Logic “0” Sink Current is 20 µA max. — V 0.0 — 0.8 Logic “1” Sink Current is 20 µA max. — V 2.0 — 5.0 Icc Vcc min to max, Logic “0” or “1” — mA — 0.2 6 -Iee -Vee min to max, Logic “0” or “1” — mA — -0.2 -1 VSWR Switching Speed 1 1. Decoupling capacitors (.01µF) are required on power supply lines. Digital Attenuator, 50 dB, 6-Bit, TTL Driver, DC - 2.0 GHz AT65-0106 V 6.00 Pin Configuration Truth Table Pin # Function Pin # Function C32 C16 C8 C4 C2 C1 Attenuation 1 GND 13 RF 0 0 0 0 0 0 2 GND 14 GND Loss, Reference 3 GND 15 GND 0 0 0 0 0 1 1 dB 0 0 0 0 1 0 2 dB 0 0 0 1 0 0 4 dB 0 0 1 0 0 0 8 dB 4 C32 16 GND 5 C16 17 GND 6 -Vee 18 GND 0 1 0 0 0 0 16 dB 7 +Vcc 19 GND 1 0 0 0 0 0 32 dB 8 C8 20 GND 1 1 0 0 1 0 50 dB 9 C4 21 GND 10 C2 22 GND 11 C1 23 GND 12 GND 24 RF 0 = TTL Low; 1 = TTL High Absolute Maximum Ratings 2 Parameter Absolute Maximum Max. Input Power 0.05 GHz 0.5 - 2.0 GHz +27 dBm +34 dBm +Vcc -Vee Logic Voltages 3 Operating Temperature Storage Temperature +5.5V -8.5V -0.5 to Vcc + 0.5V -40°C to +85°C -65°C to +125°C 2. Operation of this device above any one of these parameters may cause permanent damage. 3. Standard CMOS TTL interface, latch-up will occur if logic signal is applied prior to power supply. Typical Performance Curves Loss vs. Temperature +25°C +85°C 1 dB Bit vs. Temperature -40°C 1.4 Attenuation (dB) Attenuation (dB) 5 4 3 2 1.2 1.0 0.0 0.5 1.0 1.5 2.0 Frequency (GHz) Specifications subject to change without notice. n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 0.0 0.5 1.0 1.5 2.0 Frequency (GHz) 2 Digital Attenuator, 50 dB, 6-Bit, TTL Driver, DC - 2.0 GHz AT65-0106 V 6.00 Typical Performance Curves 2 dB Bit vs. Temperature 4 dB Bit vs. Temperature 4.4 Attenuation (dB) Attenuation (dB) 2.2 2.0 1.8 4.2 4.0 3.8 3.6 1.6 0.0 0.5 1.0 1.5 0.0 2.0 0.5 Frequency (GHz) 2.0 16.5 Attenuation (dB) 8.6 Attenuation (dB) 1.5 16 dB Bit vs. Temperature 8 dB Bit vs. Temperature 8.2 7.8 16.0 15.5 0.0 0.5 1.0 1.5 2.0 0.0 0.5 Frequency (GHz) 1.5 2.0 Max. Attenuation vs. Temperature 33.0 Attenuation (dB) 56 32.0 31.0 30.0 0.0 1.0 Frequency (GHz) 32 dB Bit vs. Temperature Attenuation (dB) 1.0 Frequency (GHz) 54 52 50 48 46 0.5 1.0 1.5 2.0 Frequency (GHz) Specifications subject to change without notice. n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 0.0 0.5 1.0 1.5 2.0 Frequency (GHz) 3 Digital Attenuator, 50 dB, 6-Bit, TTL Driver, DC - 2.0 GHz AT65-0106 V 6.00 Typical Performance Curves VSWR (S11, S22), Loss VSWR (S11, S22), 1 dB Bit S22 S11 2.0 2.0 1.8 1.8 1.6 1.6 VSWR VSWR S11 1.4 1.2 S22 1.4 1.2 1.0 1.0 1.0 6.0 11.0 16.0 21.0 1.0 6.0 Frequency (GHz) S11 2.0 1.8 1.8 1.6 1.6 VSWR VSWR S22 2.0 1.4 21.0 S22 1.4 1.2 1.2 1.0 1.0 1.0 6.0 11.0 16.0 1.0 21.0 6.0 16.0 21.0 VSWR (S11, S22), 16 dB Bit VSWR (S11, S22), 8 dB Bit S11 11.0 Frequency (GHz) Frequency (GHz) S11 S22 2.0 2.0 1.8 1.8 1.6 1.6 VSWR VSWR 16.0 VSWR (S11, S22), 4 dB Bit VSWR (S11, S22), 2 dB Bit S11 11.0 Frequency (GHz) 1.4 1.2 S22 1.4 1.2 1.0 1.0 1.0 6.0 11.0 16.0 21.0 Frequency (GHz) Specifications subject to change without notice. n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 1.0 6.0 11.0 16.0 21.0 Frequency (GHz) 4 Digital Attenuator, 50 dB, 6-Bit, TTL Driver, DC - 2.0 GHz AT65-0106 V 6.00 Typical Performance Curves VSWR (S11, S22), 32 dB Bit S22 S11 2.0 2.0 1.8 1.8 1.6 1.6 VSWR VSWR S11 VSWR (S11, S22), Max. Attenuation 1.4 S22 1.4 1.2 1.2 1.0 1.0 1.0 6.0 11.0 16.0 21.0 Frequency (GHz) 1.0 6.0 11.0 16.0 21.0 Frequency (GHz) Ordering Information Part Number Package AT65-0106 Bulk Packaging AT65-0106TR Tape and Reel (1K Reel) AT65-0106-TB Units Mounted on Test Board Specifications subject to change without notice. n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 5