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| Digital Attenuator, 31 dB, 5-Bit, TTL Driver DC-2.0 GHz V 6.00 AT65-0263 Features n n n n n n n SOW-16 Attenuation: 1.0 dB Steps to 31 dB Low DC Power Consumption Plastic SOW, Wide Body, SMT Package Integral TTL Driver 50 ohm Impedance Test Boards are Available Tape and Reel Packaging Available Description M/A-COM's AT65-0263 is a GaAs FET 5-bit digital attenuator with integral TTL driver. Step size is 1.0 dB providing 31 dB total attenuation range. This device is in a SOW-16 plastic surface mount package. The AT65-0263 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-013AA. Electrical Specifications: TA = 25C Parameter Insertion Loss Attenuation Accuracy Test Conditions -- Individual Bits 1-2-4-8-16 Any Combination of bits 3 - 29 dB Any Combination of bits 30 - 31 dB Full Range 1 Frequency DC-1.0 GHz DC-2.0 GHz DC-2.0 GHz DC-2.0 GHz DC-2.0 GHz DC-2.0 GHz -- -- 50 MHz 0.5-2.0 GHz 50 MHz 0.5-2.0 GHz -- -- -- -- -- -- Units dB dB dB dB dB Ratio nS nS dBm dBm dB dB V V V V mA mA Min -- -- -- -- -- -- -- -- -- -- -- -- 4.75 -8.0 0.0 2.0 -- -- Typical 2.6 2.8 -- -- -- 1.5:1 75 20 +21 +29 +35 +48 5.0 -5.0 0.2 -0.2 Max 2.9 3.2 (.5 +5% of atten setting) (.5 +5% of atten setting) (.7 +7% of atten setting) 1.8:1 150 50 -- -- -- -- 5.25 -4.75 0.8 5.0 6 -1 VSWR Switching Speed 1 dB Compression Input IP3 Vcc -Vee Logic "0" Logic "1" Icc -Iee 50% Cntl to 90%/10% RF 10% to 90% or 90% to 10% -- -- Two-tone inputs up to +5 dBm -- -- Sink Current is 20 A max. Source Current is 20 A max. Vcc min to max, Logic "0" or "1" -Vee min to max, Logic "0" or "1" 1. Decoupling capacitors (.01 F) are required on power supply lines. Digital Attenuator, 31 dB, 5-Bit, TTL Driver, DC - 2.0 GHz AT65-0263 V 6.00 Pin Configuration Pin # 1 2 3 4 5 6 7 8 Function RF GND GND GND GND GND GND RF Pin # 9 10 11 12 13 14 15 16 Function C16 Vcc Vee C8 C4 C2 C1 GND Absolute Maximum Ratings 2 Parameter Max. Input Power 0.05 GHz 0.5 - 2.0 GHz +Vcc -Vee Logic Voltages 3 Absolute Maximum +27 dBm +34 dBm +5.5V -8.5V -0.5 to Vcc + 0.5V -40C to +85C -65C to +125C Operating Temperature Storage Temperature Truth Table C16 0 0 0 0 0 1 1 C8 0 0 0 0 1 0 1 C4 0 0 0 1 0 0 1 C2 0 0 1 0 0 0 1 C1 0 1 0 0 0 0 1 Attenuation Loss, Reference 2. Operation of this device above any one of these parameters may cause permanent damange. 3. Standard CMOS TTL interface, latch-up will occur if logic signal is applied prior to power supply. Typical Performance Curves Insertion Loss @ R, H & C +85C +25C -40C 3 1.0 dB 2.0 dB 4.0 dB Loss (dB) 8.0 dB 16.0 dB 31.0 dB 2 1 0 = TTL Low; 1 = TTL High 0 500 1000 1500 2000 Frequency (MHz) 1 dB Bit @ R, H & C 1.6 2 dB Bit @ R, H & C 2.4 Attenuation (dB) 1.4 Attenuation (dB) 2.2 1.2 2 1 1.8 0.8 0 500 1000 1500 2000 1.6 0 500 1000 1500 2000 Frequency (MHz) 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. 2 Digital Attenuator, 31 dB, 5-Bit, TTL Driver, DC - 2.0 GHz Typical Performance Curves AT65-0263 V 6.00 4 dB Bit @ R, H & C 4.4 8 dB Bit @ R, H & C 9 Attenuation (dB) 4.2 Attenuation (dB) 8.5 4 8 3.8 3.6 0 500 1000 1500 2000 7.5 0 500 1000 1500 2000 Frequency (MHz) Frequency (MHz) 16 dB Bit @ R, H & C 17 Max. Attenuation @ R, H & C 32 Attenuation (dB) 16.5 Attenuation (dB) 31 30 29 28 27 16 15.5 15 0 500 1000 1500 2000 0 500 1000 1500 2000 Frequency (MHz) Frequency (MHz) Maximum VSWR over Temp, Loss Input 1.8 Output Maximum VSWR over Temp, 1 dB Bit Input 1.8 Output 1.6 1.6 VSWR 1.4 VSWR 0 500 1000 1500 2000 1.4 1.2 1.2 1 1 0 500 1000 1500 2000 Frequency (MHz) 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. 3 Digital Attenuator, 31 dB, 5-Bit, TTL Driver, DC - 2.0 GHz Typical Performance Curves AT65-0263 V 6.00 Maximum VSWR over Temp, 2 dB Bit Input 1.8 Output 1.8 Maximum VSWR over Temp, 4 dB Bit Input Output 1.6 1.6 VSWR 1.4 VSWR 0 500 1000 1500 2000 1.4 1.2 1.2 1 1 0 500 1000 1500 2000 Frequency (MHz) Frequency (MHz) Maximum VSWR over Temp, 8 dB Bit Input 1.8 Output 1.8 Maximum VSWR over Temp, 16 dB Bit Input Output 1.6 1.6 VSWR 1.4 VSWR 0 500 1000 1500 2000 1.4 1.2 1.2 1 1 0 500 1000 1500 2000 Frequency (MHz) Frequency (MHz) Maximum VSWR over Temp, Max Attenuation Input 1.8 Output Ordering Information Part Number AT65-0263 AT65-0263TR Package Bulk Packaging Tape and Reel (1K Reel) Units Mounted on Test Board 1.6 AT65-0263-TB VSWR 1.4 1.2 1 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. 4 |
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