AT90-1263 AT90-1263TR AT90-1263-TB

Digital Attenuator, 31 dB, 5-Bit, TTL Driver DC - 4.0 GHz Features · · · · · · ·

AT90-1263 AT90-1263 Digital Attenuator, 31 dB, 5-Bit, TTL Driver DC - 4.0 GHz Features · · · · · · · MLP-1 Attenuation: 1.0dB Steps to 31dB Single Positive Supply Contains internal DC to DC converter Low DC Power Consumption Plastic MLP SMT Package Integral TTL Driver 50 ohm Impedance Description M/A-COM's AT90-1263 AT90-1263 is a GaAs FET 5-bit digital attenuator with integral TTL driver. Step size is 1.0 dB providing 31dB total attenuation range. This device is in an MLP plastic surface mount package. The AT90-1263 AT90-1263 is ideally suited for use where accuracy, fast speed, very low power consumption and low costs are required. Ordering Information Part Number AT90-1263 AT90-1263 AT90-1263TR AT90-1263TR AT90-1263-TB AT90-1263-TB Package Bulk Packaging Tape and Reel Units Mounted on Test Board Electrical Specifications TA = +25°C Parameter Test Conditions Frequency Units Min Typical Max Insertion Loss - DC - 4.0 GHz dB - 3.5 3.8 Attenuation Accuracy Individual Bits 1-2-4-8-16 dB Any Combination of Bits 1 to 31 dB DC - 4.0 GHz DC - 4.0 GHz dB dB - - - - ±(.3 +5% of atten setting) ±(.5 +7% of atten setting) VSWR Full Range DC - 4.0 GHz Ratio - 2.0:1 2.2:1 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 - 4.0 GHz dBm dBm - - +21 +29 - - Input IP3 Two-tone inputs up to +5 dBm 50 MHz 0.5-4.0 GHz dB dB - - +35 +48 - - +Vcc - - V 4.75 5.0 5.25 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 - 6 10 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 dB, 5-Bit, TTL Driver DC - 4.0 GHz Pin Configuration Recommended PCB Layout Pin # Function Pin # Function 1 GND 17 NC 2 C16 18 NC 3 C8 19 +Vcc2 4 C4 20 NC 5 C2 21 Cp4 6 C1 22 NC 7 GND 23 Cp4 8 NC 24 NC 9 NC 25 -Vee3 1 GND 10 NC 26 11 GND 27 RF2 12 RF1 28 GND 13 GND 29 NC1 14 NC 30 -Vee3,5 15 NC 31 NC 16 1. 2. 3. 4. 5. 6. AT90-1263 AT90-1263 NC 32 +Vcc2,6 Pins 10 & 29 Must be isolated Pin 19 must be connected to Pin 32 Pin 25 must be connected to Pin 30 .01µF cap must be connected between Pins 21 and 23 -Vee is produced internally and requires a .1µF cap to GND +Vcc requires a .1µF cap to GND C16 Absolute Maximum +27 dBm +34 dBm +5.5V -0.5 to +Vcc + 0.5V -40°C to +85°C -65°C to +125°C 7. Operation of this device above any one of these parameters may cause permanent damange. C8 C4 C2 C1 Attenuation 0 Absolute Maximum Ratings 7 Parameter Max. Input Power 0.05 GHz 0.5 - 4.0 GHz +Vcc Logic Voltages Operating Temperature Storage Temperature Truth Table 0 0 0 0 Loss, Reference 0 0 0 0 1 1.0 dB 0 0 0 1 0 2.0 dB 0 0 1 0 0 4.0 dB 0 1 0 0 0 8.0 dB 1 0 0 0 0 16.0 dB 1 1 1 1 1 31.0 dB 0 = TTL Low; 1 = TTL High Typical Performance VSWR @ Insertion Loss Insertion Loss Input 4.0 Output 3.0 3.0 2.0 2.0 1.0 1.0 0 1000 2000 3000 Frequency (MHz) 4000 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) 3000 4000 V 2.00 Digital Attenuator, 31 dB, 5-Bit, TTL Driver DC - 4.0 GHz AT90-1263 AT90-1263 Typical Performance VSWR 1 dB Bit Input VSWR 2 dB Bit Output Input Output 1.6 1.8 1.6 1.4 1.4 1.2 1.2 1.0 1.0 0 1000 2000 3000 0 4000 1000 Frequency (MHz) VSWR 4 dB Bit Input 2000 3000 4000 Frequency (MHz) VSWR 8 dB Bit Input Output 1.6 1.4 Output 1.6 1.4 1.2 1.2 1.0 1.0 0 1000 2000 3000 Frequency (MHz) 0 4000 1000 VSWR 16 dB Bit Input 2000 3000 4000 Frequency (MHz) VSWR Maximum Attenuation Output Input 1.6 1.4 1.4 1.2 Output 1.6 1.2 1.0 1.0 0 1000 2000 3000 Frequency (MHz) 4000 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 dB, 5-Bit, TTL Driver DC - 4.0 GHz AT90-1263 AT90-1263 Typical Performance Attenuation Error 1 dB Bit Attenuation Error 2 dB Bit 0.3 0.3 0.2 0.2 0.1 0.1 0 0 -0.1 -0.1 0 1000 2000 3000 0 4000 1000 2000 3000 4000 Frequency (MHz) Frequency (MHz) Attenuation Error 8 dB Bit Attenuation Error 4 dB Bit 0.7 0.7 0.5 0.5 0.3 0.3 0.1 0.1 -0.1 -0.1 0 1000 2000 3000 0 4000 1000 2000 3000 4000 Frequency (MHz) Frequency (MHz) Attenuation Error Max Attenuation Attenuation Error 16 dB Bit 1.5 1.5 0.5 0.5 -0.5 -0.5 -1.5 -1.5 0 1000 2000 3000 Frequency (MHz) 4000 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 Frequency (MHz) 4000 V 2.00