AT65-0107 Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver DC - 2.0 GHz Features • • • • • • • • SOW-24 Attenuation: 0.5 dB Steps to 31.5 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 AT65-0107 is a GaAs FET 6-bit digital attenuator with a 0.5 dB minimum step size and a 31.5 dB total attenuation range. This device is in a SOIC-24 wide body, plastic surface mount package. The AT65-0107 is ideally suited for use where accuracy, fast speed, very low power consumption and low costs are required. Ordering Information Part Number AT65-0107 AT65-0107TR AT65-0107-TB Package Bulk Packaging Tape and Reel1 Units Mounted on Test Board Package outline conforms to JEDEC standard MS-013AD. 1. Check with the factory for available quantities and reel size. Electrical Specifications TA = +25°C Parameter Test Conditions Frequency Units Min Typical Max Insertion Loss — — DC - 1.0 GHz DC - 2.0 GHz dB dB — — 3.1 3.4 3.6 4.2 Attenuation Accuracy Any Bit or Combination of Bits DC - 2.0 GHz dB — — +(.6 +5% of atten.) -(.1 +1% of atten.) VSWR Full Range DC - 2.0 GHz Ratio — 1.8:1 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 - 2.0 GHz dBm dBm — — +21 +29 — — 2. Decoupling capacitors (.01 µF) are required on Power Supply lines. Specifications subject to change without notice. North America: Tel. (800) 366-2266, Fax (800) 618-8883 Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. V 2.00 Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver DC - 2.0 GHz AT65-0107 Electrical Specifications TA = +25°C Parameter Test Conditions Frequency Units Min Typical Max Input IP3 Two-tone inputs up to +5 dBm 50 MHz 0.5-2.0 GHz dB dB — — +35 +48 — — Vcc -Vee — — — — V V 4.75 -5.25 5.0 -5.0 5.25 -4.75 Logic “0” Sink Current is 20 µA max. — V 0.0 — 0.8 Logic “1” Source 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 Absolute Maximum Ratings 3 Pin Configuration Parameter Absolute Maximum Pin # Function Pin # Max. Input Power 0.05 GHz +27 dBm +Vcc +5.5V -Vee -8.5V Logic Voltages -0.5 to Vcc + 0.5V Control Voltage -0.5V to Vcc +0.5V Operating Temperature Storage Temperature 1 GND 13 RF 2 GND 14 GND 3 GND 15 GND 4 C16 16 GND 5 C8 17 GND 6 -Vee 18 GND -40°C to +85°C 7 +Vcc 19 GND -65°C to +125°C 8 C4 20 GND 9 C2 21 GND 10 C1 22 GND 11 C0.5 23 GND 12 GND 24 RF 3. Operation of this device above any one of these parameters may cause permanent damange. Truth Table C16 C8 C4 C2 C1 C0.5 Attenuation 0 0 0 0 0 0 Loss, Reference 0 0 0 0 0 1 0.5 dB 0 0 0 0 1 0 1.0 dB 0 0 0 1 0 0 2.0 dB 0 0 1 0 0 0 4.0 dB 0 1 0 0 0 0 8.0 dB 1 0 0 0 0 0 16.0 dB 1 1 1 1 1 1 31.5 dB Function 0 = TTL Low; 1 = TTL High Specifications subject to change without notice. North America: Tel. (800) 366-2266, Fax (800) 618-8883 Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. V 2.00 Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver DC - 2.0 GHz AT65-0107 Typical Performance Attenuation Error 0.5 dB Bit Attenuation Error 1 dB Bit 0.4 0.4 0.2 0.2 0.0 0.0 -0.2 -0.2 -0.4 -0.4 0 1000 2000 3000 0 4000 1000 2000 3000 4000 Frequency (MHz) Frequency (MHz) Attenuation Error 2 dB Bit Attenuation Error 4 dB Bit 0.4 0.4 0.2 0.2 0.0 0.0 -0.2 -0.2 -0.4 -0.4 0 1000 2000 3000 4000 0 1000 Frequency (MHz) 2000 3000 4000 Frequency (MHz) Attenuation Error 8 dB Bit Attenuation Error 16 dB Bit 0.8 0.8 0.4 0.4 0.0 0.0 -0.4 -0.4 -0.8 -0.8 0 1000 2000 3000 4000 0 1000 Frequency (MHz) Attenuation Error @ Max Attenuation 2000 3000 Frequency (MHz) 4000 VSWR Loss @ RFin 1.0 2.2 1.9 0.0 1.6 -1.0 1.3 1.0 -2.0 0 1000 2000 3000 4000 Frequency (MHz) Specifications subject to change without notice. North America: Tel. (800) 366-2266, Fax (800) 618-8883 Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 0 1000 2000 3000 4000 Frequency (MHz) V 2.00 Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver DC - 2.0 GHz AT65-0107 Typical Performance VSWR Loss @ RFout 2.2 VSWR 0.5 dB Bit 1.8 1.6 1.9 1.4 1.6 1.2 1.3 1.0 1.0 0 0 1000 2000 3000 1000 4000 Frequency (MHz) RF in VSWR 1 dB Bit 1.8 2000 Frequency (MHz) 3000 4000 RF out VSWR 2 dB Bit 1.8 1.6 1.6 1.4 1.4 1.2 1.2 1.0 1.0 0 1000 2000 3000 4000 0 1000 Frequency (MHz) RF in RF out RF in VSWR 4 dB Bit 1.6 2000 3000 Frequency (MHz) 4000 RF out VSWR 8 dB Bit 1.8 1.6 1.4 1.4 1.2 1.2 1.0 1.0 0 1000 2000 3000 Frequency (MHz) RF in RF out 0 4000 RF in VSWR 16 dB Bit 1.8 1000 2000 Frequency (MHz) 3000 4000 RF out VSWR Maximum Attenuation 1.8 1.6 1.6 1.4 1.4 1.2 1.2 1.0 1.0 0 1000 2000 Frequency (MHz) RF in 3000 4000 RF out Specifications subject to change without notice. North America: Tel. (800) 366-2266, Fax (800) 618-8883 Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 0 1000 2000 Frequency (MHz) RF in 3000 4000 RF out V 2.00