AT65-0107 Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver, DC - 2.0 GHz Features n n n n n n n V 5.00 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. Package outline conforms to JEDEC standard MS-013AD. Electrical Specifications: TA = 25°C Parameter Test Conditions Frequency Units Min Typ Max Insertion Loss — — DC - 1.0 GHz DC - 2.0 GHz dB dB — — 3.1 3.6 3.6 4.2 Attenuation Accuracy Any Bit or Combination of Bits DC - 2.0 GHz dB — — ±(.3 +4% of atten.) VSWR Full Range DC - 2.0 GHz Ratio — 1.8:1 2:1 Switching Speed 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 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” 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 1. Decoupling capacitors (.01 µF) are required on Power Supply lines. Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver, DC - 2.0 GHz AT65-0107 V 5.00 Absolute Maximum Ratings 2 Pin Configuration Pin # Function Pin # Function 1 GND 13 RF 2 GND 14 GND 3 GND 15 GND +Vcc GND -Vee 4 C16 16 5 C8 17 GND 6 -Vee 18 GND 7 +Vcc 19 GND 8 C4 20 GND 9 C2 21 GND 10 C1 22 GND 11 C0.5 23 GND 12 GND 24 RF Parameter Absolute Maximum Max. Input Power 0.05 GHz 0.5 - 2.0 GHz +27 dBm +34 dBm +5.5V -8.5V 3 -0.5 to Vcc + 0.5V Control Voltage -0.5V to Vcc +0.5V Logic Voltages Operating Temperature -40°C to +85°C Storage Temperature -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. 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 0 = TTL Low; 1 = TTL High Typical Performance Curves 0.5 dB Bit vs. Temperature Loss vs. Temperature +25°C +85°C -40°C 0.80 4.50 0.70 Attenuation (dB) Loss (dB) 4.00 3.50 3.00 2.50 0.60 0.50 0.40 0.30 0.20 2.00 0 500 1000 1500 2000 Frequency (MHz) 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. 0 500 1000 1500 2000 Frequency (MHz) 2 Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver, DC - 2.0 GHz AT65-0107 V 5.00 Typical Performance Curves 1 dB Bit vs. Temperature 2 dB Bit vs. Temperature 2.50 1.30 2.40 Attenuation (dB) Attenuation (dB) 1.20 1.10 1.00 0.90 0.80 2.30 2.20 2.10 2.00 1.90 1.80 0.70 1.70 0 500 1000 1500 2000 0 500 Frequency (MHz) 1000 1500 2000 Frequency (MHz) 8 dB Bit vs. Temperature 4 dB Bit vs. Temperature 8.60 4.50 8.40 4.30 Attenuation (dB) Attenuation (dB) 4.40 4.20 4.10 4.00 3.90 8.20 8.00 7.80 3.80 3.70 7.60 0 500 1000 1500 2000 0 500 Frequency (MHz) 1000 1500 2000 Frequency (MHz) Max Attenuation vs. Temperature 16 dB Bit vs. Temperature 33.00 16.50 32.50 Attenuation (dB) Attenuation (dB) 16.30 16.10 15.90 15.70 32.00 31.50 31.00 30.50 30.00 29.50 29.00 15.50 0 500 1000 1500 2000 Frequency (MHz) 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. 0 500 1000 1500 2000 Frequency (MHz) 3 Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver, DC - 2.0 GHz AT65-0107 V 5.00 Typical Performance Curves VSWR @ Insertion Loss VSWR, 0.5 dB Bit Output Output Input 1.60 1.40 1.40 Input VSWR VSWR 1.60 1.20 1.20 1.00 1.00 0 500 1000 1500 0 2000 500 1000 1500 2000 Frequency (MHz) Frequency (MHz) VSWR, 2 dB Bit VSWR, 1 dB Bit Output Input Output 1.60 1.40 1.40 Input VSWR VSWR 1.60 1.20 1.20 1.00 1.00 0 500 1000 1500 0 2000 500 1500 2000 1500 2000 VSWR, 8 dB Bit VSWR, 4 dB Bit Output 1000 Frequency (MHz) Frequency (MHz) Output Input 1.60 1.40 1.40 Input VSWR VSWR 1.60 1.20 1.20 1.00 1.00 0 500 1000 1500 2000 Frequency (MHz) 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. 0 500 1000 Frequency (MHz) 4 Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver, DC - 2.0 GHz AT65-0107 V 5.00 Typical Performance Curves VSWR, 16 dB Bit Output VSWR, Maximum Attenuation Output Input 1.60 1.40 1.40 Input VSWR VSWR 1.60 1.20 1.20 1.00 1.00 0 500 1000 1500 2000 Frequency (MHz) 0 500 1000 1500 2000 Frequency (MHz) Ordering Information Part Number Package AT65-0107 Bulk Packaging AT65-0107TR Tape and Reel (1K Reel) AT65-0107-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