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| Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver, DC-4.0 GHz V 7.00 AT90-0107 Features n n n n n n n CSP-1 Attenuation: 0.5 dB Steps to 31.5 dB Low DC Power Consumption Small Footprint, JEDEC Package Integral TTL Driver 50 ohm Impedance Test Boards are Available Tape and Reel Packaging Available Description M/A-COM's AT90-0107 is a GaAs FET 6-bit digital attenuator with integral TTL driver. Step size is 0.5 dB providing a 31.5 dB total attenuation range. This device is in an FQFP-N plastic surface mount package. The AT90-0107 is ideally suited for use where accuracy, fast speed, very low power consumption and low costs are required. Electrical Specifications TA = +25C Parameter Insertion Loss Attenuation Accuracy Test Conditions -- Individual Bits 0.5-1-2-4-8-16 dB Any Combination of Bits 1 to 31.5 dB Full Range 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" Frequency DC - 4.0 GHz DC - 4.0 GHz DC - 4.0 GHz Units dB dB dB Min -- -- -- Typical 4.5 -- -- Max 5.1 (.3 +7% of atten setting) (.5 +8% of atten setting) VSWR Switching Speed 1 dB Compression Input IP3 +Vcc -Vee Logic "0" Logic "1" Icc -Iee DC - 4.0 GHz -- -- 50 MHz 0.5 - 4.0 GHz 50 MHz 0.5-4.0 GHz -- -- -- -- -- -- Ratio nS nS dBm dBm dB dB V V V V mA mA -- -- -- -- -- -- -- 4.75 -8.0 0.0 2.0 -- -- 2.0:1 75 20 +21 +29 +35 +48 5.0 -5.0 -- -- 0.2 -0.2 2.2:1 150 50 -- -- -- -- 5.25 -4.75 0.8 5.0 6 -1 Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver, DC - 4.0 GHz AT90-0107 V 7.00 Pin Configuration Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1. Function C8 C4 C2 C1 C0.5 C16 GND NC NC NC1 GND RF1 GND NC NC NC Pin # 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Function NC NC NC NC NC NC NC NC NC GND RF2 GND NC1 -Vee NC +Vcc Recommended PCB Layout 2 Pins 10 & 29 must be isolated 2. Application Note C2083 is available on line at www.macom.com Truth Table C16 0 0 0 0 0 0 1 1 C8 0 0 0 0 0 1 0 1 C4 0 0 0 0 1 0 0 1 C2 0 0 0 1 0 0 0 1 C1 0 0 1 0 0 0 0 1 C0.5 0 1 0 0 0 0 0 1 Attenuation Loss, Reference 0.5 dB 1.0 dB 2.0 dB 4.0 dB 8.0 dB 16.0 dB 31.5 dB Absolute Maximum Ratings 3 Parameter Max. Input Power 0.05 GHz 0.5 - 4.0 GHz +Vcc -Vee Logic Voltages 4 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 0 = TTL Low; 1 = TTL High 3. Operation of this device above any one of these parameters may cause permanent damange. 4. Standard CMOS TTL interface, latch-up will occur if logic signal is applied prior to power supply. 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, 31.5 dB, 6-Bit, TTL Driver, DC - 4.0 GHz Typical Performance Curves Insertion Loss 6.0 2.2 AT90-0107 V 7.00 VSWR @ Insertion Loss Input Output 5.0 1.9 Loss (dB) VSWR 0 1000 2000 3000 4000 4.0 1.6 3.0 1.3 2.0 1.0 0 1000 2000 3000 4000 Frequency (MHz) Frequency (MHz) Attenuation Error, 0.5 dB Bit 0.4 Attenuation Error, 1 dB Bit 0.4 Attenuation Error (dB) Attenuation Error (dB) 0.2 0.2 0.0 0.0 -0.2 -0.2 -0.4 0 1000 2000 3000 4000 -0.4 0 1000 2000 3000 4000 Frequency (MHz) Frequency (MHz) Attenuation Error, 2 dB Bit 0.4 0.4 Attenuation Error, 4 dB Bit Attenuation Error (dB) 0.2 Attenuation Error (dB) 0.2 0.0 0.0 -0.2 -0.2 -0.4 0 1000 2000 3000 4000 -0.4 0 1000 2000 3000 4000 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, 31.5 dB, 6-Bit, TTL Driver, DC - 4.0 GHz Typical Performance Curves Attenuation Error, 8 dB Bit 0.8 AT90-0107 V 7.00 Attenuation Error, 16 dB Bit 0.8 0.4 Attenuation Error (dB) 0 1000 2000 3000 4000 Attenuation Error (dB) 0.4 0.0 0.0 -0.4 -0.4 -0.8 -0.8 0 1000 2000 3000 4000 Frequency (MHz) Frequency (MHz) Attenuation Error, Max. Attenuation 1.0 VSWR, 0.5 dB Bit Input 1.8 Output Attenuation Error (dB) 1.6 0.0 VSWR -1.0 -2.0 0 1000 2000 3000 4000 1.4 1.2 1.0 0 1000 2000 3000 4000 Frequency (MHz) Frequency (MHz) VSWR, 1 dB Bit Input 1.8 Output 1.8 VSWR, 2 dB Bit Input Output 1.6 1.6 VSWR 1.4 VSWR 0 1000 2000 3000 4000 1.4 1.2 1.2 1.0 1.0 0 1000 2000 3000 4000 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. 4 Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver, DC - 4.0 GHz Typical Performance Curves AT90-0107 V 7.00 VSWR, 4 dB Bit Input 1.6 Output 1.8 VSWR, 8 dB Bit Input Output 1.6 1.4 VSWR VSWR 1.2 1.0 0 1000 2000 3000 4000 1.4 1.2 1.0 0 1000 2000 3000 4000 Frequency (MHz) Frequency (MHz) VSWR, 16 dB Bit Input 1.8 Output 1.6 VSWR, Max. Attenuation Input Output 1.6 1.4 VSWR 1.4 VSWR 1.2 1.0 1.2 1.0 0 1000 2000 3000 4000 0 1000 2000 3000 4000 Frequency (MHz) Frequency (MHz) Typical Attenuation Deviation vs. Temperature for 0.5 dB Bit 0.25 0.20 0.15 Typical Attenuation Deviation vs. Temperature for 1 dB Bit 0.40 0.30 Attenuation (dB) Attenuation (dB) 0.10 0.05 0.00 -0.05 -0.10 -0.15 -0.20 -0.25 0 500 1000 1500 2000 2500 3000 3500 4000 0.20 0.10 0.00 -0.10 -0.20 -0.30 0 500 1000 1500 2000 2500 3000 3500 4000 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. 5 Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver, DC - 4.0 GHz Typical Performance Curves Typical Attenuation Deviation vs. Temperature for 2 dB Bit Cold 0.30 0.25 0.20 Room Hot AT90-0107 V 7.00 Typical Attenuation Deviation vs. Temperature for 4 dB Bit 0.30 0.25 0.20 Attenuation (dB) Attenuation (dB) 0.15 0.10 0.05 0.00 -0.05 -0.10 -0.15 -0.20 -0.25 0 500 1000 1500 2000 2500 3000 3500 4000 0.15 0.10 0.05 0.00 -0.05 -0.10 -0.15 -0.20 -0.25 0 500 1000 1500 2000 2500 3000 3500 4000 Frequency (MHz) Frequency (MHz) Typical Attenuation Deviation vs. Temperature for 8 dB Bit Cold 0.50 0.40 0.30 Room Hot Typical Attenuation Deviation vs. Temperature for 16 dB Bit Cold 0.60 0.40 Room Hot Attenuation (dB) Attenuation (dB) 0 500 1000 1500 2000 2500 3000 3500 4000 0.20 0.10 0.00 -0.10 -0.20 -0.30 -0.40 -0.50 -0.60 0.20 0.00 -0.20 -0.40 -0.60 -0.80 0 1000 2000 3000 4000 Frequency (MHz) Frequency (MHz) Typical Attenuation Deviation vs. Temperature at Maximum Atten. 0.50 0.00 5.0 4.5 Insertion Loss vs. Temperature Cold Room Hot Insertion Loss (dB) 0 500 1000 1500 2000 2500 3000 3500 4000 Attenuation (dB) 4.0 3.5 3.0 2.5 2.0 1.5 0 1000 2000 3000 4000 -0.50 -1.00 -1.50 -2.00 -2.50 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. 6 Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver, DC - 4.0 GHz AT90-0107 V 7.00 Ordering Information Part Number AT90-0107 AT90-0107TR AT90-0107-TB Package Bulk Packaging Tape and Reel (1K Reel) 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. 7 |
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