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| Digital Attenuator, 50 dB, 6-Bit, TTL Driver, DC-2.4 GHz V 5.00 AT90-0106 Features n n n n n n n CSP-1 Attenuation: 1 dB Steps to 50 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 AT90-0106 is a GaAs FET 6-bit digital attenuator with integral TTL driver. Step size is 1 dB providing a 50 dB total attenuation range. This device is in a FQFP-N plastic surface mount package. The AT90-0106 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 VSWR Switching Speed 1 dB Compression Input IP3 +Vcc -Vee Logic "0" Logic "1" Icc -Iee Test Conditions -- Individual Bits 1-2-4-8-16-32 dB Any Combination of Bits 1 to 50 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 - 2.4 GHz DC - 2.4 GHz DC - 2.4 GHz DC - 2.4 GHz -- -- 50 MHz 0.5 - 2.40 GHz 50 MHz 0.5-2.4 GHz -- -- -- -- -- -- Units 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 5.5 -- -- 1.8:1 75 20 +21 +29 +35 +48 5.0 -5.0 -- -- 0.2 -0.2 Max 6.0 (.3 +5% of atten setting) (.5 +8% of atten setting) 2:1 150 50 -- -- -- -- 5.25 -4.75 0.8 5.0 6 -1 Digital Attenuator, 50 dB, 6-Bit, TTL Driver, DC - 2.4 GHz AT90-0106 V 5.00 Pin Configuration Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1. Function C16 C8 C4 C2 C1 C32 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 C32 0 0 0 0 0 0 1 1 C16 0 0 0 0 0 1 0 1 C8 0 0 0 0 1 0 0 0 C4 0 0 0 1 0 0 0 0 C2 0 0 1 0 0 0 0 1 C1 0 1 0 0 0 0 0 0 Attenuation Loss, Reference 1.0 dB 2.0 dB 4.0 dB 8.0 dB 16.0 dB 32.0 dB 50.0 dB Absolute Maximum Ratings 3 Parameter Max. Input Power 0.05 GHz 0.5 - 2.4 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, 50 dB, 6-Bit, TTL Driver, DC - 2.4 GHz Typical Performance Curves Insertion Loss 6.0 2.2 AT90-0106 V 5.00 VSWR @ Insertion Loss Input Output 1.9 Loss (dB) 5.0 VSWR 4.0 3.0 0 400 800 1200 1600 2000 2400 1.6 1.3 1.0 0 400 800 1200 1600 2000 2400 Frequency (MHz) Frequency (MHz) Attenuation Error, 1 dB Bit 0.2 0.2 Attenuation Error, 2 dB Bit Attenuation Error (dB) 0.1 Attenuation Error (dB) 0.1 0.0 0.0 -0.1 -0.2 0 400 800 1200 1600 2000 2400 -0.1 0 400 800 1200 1600 2000 2400 Frequency (MHz) Frequency (MHz) Attenuation Error, 4 dB Bit 0.4 Attenuation Error, 8 dB Bit 0.4 Attenuation Error (dB) 0.3 Attenuation Error (dB) 0.3 0.2 0.1 0.0 -0.1 -0.2 0.2 0.1 0.0 -0.1 0 400 800 1200 1600 2000 2400 0 400 800 1200 1600 2000 2400 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, 50 dB, 6-Bit, TTL Driver, DC - 2.4 GHz Typical Performance Curves Attenuation Error, 16 dB Bit 1.0 1.0 AT90-0106 V 5.00 Attenuation Error, 32 dB Bit Attenuation Error (dB) Attenuation Error (dB) 0 400 800 1200 1600 2000 2400 0.6 0.6 0.2 0.2 -0.2 -0.2 -0.6 -0.6 0 400 800 1200 1600 2000 2400 Frequency (MHz) Frequency (MHz) Attenuation Error, Max. Attenuation 2.5 VSWR, 1 dB Bit Input 1.8 Output Attenuation Error (dB) 1.6 0.5 VSWR -1.5 -3.5 0 400 800 1200 1600 2000 2400 1.4 1.2 1.0 0 400 800 1200 1600 2000 2400 Frequency (MHz) Frequency (MHz) VSWR, 2 dB Bit Input 1.8 Output VSWR, 4 dB Bit 1.8 Input Output 1.6 1.6 VSWR VSWR 1.4 1.4 1.2 1.2 1.0 0 400 800 1200 1600 2000 2400 1.0 0 400 800 1200 1600 2000 2400 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, 50 dB, 6-Bit, TTL Driver, DC - 2.4 GHz Typical Performance Curves VSWR, 8 dB Bit Input 1.8 Output AT90-0106 V 5.00 VSWR, 16 dB Bit Input 1.6 Output 1.6 1.4 VSWR 1.4 VSWR 1.2 1.0 0 400 800 1200 1600 2000 2400 1.2 1.0 0 400 800 1200 1600 2000 2400 Frequency (MHz) Frequency (MHz) VSWR, 32 dB Bit Input 1.60 Output VSWR, Maximum Attenuation Input 1.6 Output 1.40 1.4 VSWR VSWR 1.20 1.2 1.00 0 400 800 1200 1600 2000 2400 1.0 0 400 800 1200 1600 2000 2400 Frequency (MHz) Frequency (MHz) Maximum IP3 over Temperature Range and Attenuation @ 50 MHz 50 50 Maximum IP3 over Temperature Range and Attenuation @ 950 MHz 40 40 IP3 30 IP3 30 20 Loss 1 2 4 8 16 32 50 20 Loss 1 2 4 8 16 32 50 Attenuation (dB) Attenuation (dB) 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, 50 dB, 6-Bit, TTL Driver, DC - 2.4 GHz AT90-0106 V 5.00 Typical Performance Curves Maximum IP3 over Temperature Range and Attenuation @ 1900 MHz 50 Ordering Information Part Number AT90-0106 Package Bulk Packaging Tape and Reel (1K Reel) Units Mounted on Test Board 40 AT90-0106TR AT90-0106-TB IP3 30 20 Loss 1 2 4 8 16 32 50 Attenuation (dB) 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 |
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