AT-263-PIN Digital Attenuator, 31 dB, 5-Bit, TTL Driver Rev. V7 DC - 2 GHz Features Functional Schematic Attenuation: 1 dB steps to 31 dB Temperature Stability: 0.18 dB from -55C to +85C C5 RF2 16 dB Low DC Power Consumption +5V GND Hermetic Surface Mount Package 8 dB -5V GND Integral TTL Driver 50 Nominal Impedance C4 GND 4 dB Lead-Free CR-12 Package C3 GND Halogen-Free Green Mold Compound 2 dB GND C2 RoHS* Compliant and 260C Reflow Compatible GND Orientation Mark C1 1 dB PIN 16 GND RF1 PIN 1 Description The AT-263-PIN is a GaAs FET 5-bit digital attenuator with a 1 dB minimum step size and 31 dB total attenuation. This attenuator and integral TTL driver is in a hermetically sealed ceramic 16-lead 2 surface mount package. Pin Configuration The AT-263-PIN is ideally suited for use where Pin No. Function Pin No. Function accuracy, fast switching, very low power consumption and low intermodulation products are 1 RF1 9 C5 required. Typical applications include dynamic range setting in precision receiver circuits and other 2 GND 10 +5V gain/leveling control circuits. 3 GND 11 -5V Environmental screening is available. Contact the factory for information. 4 GND 12 C4 5 GND 13 C3 6 GND 14 C2 1 Ordering Information 7 GND 15 C1 Part Number Package 8 RF2 16 GND AT-263-PIN Bulk Packaging 2. The exposed pad centered on the package bottom must be connected to RF, DC and thermal ground. AT-263TR 1000 piece reel AT-263-TB Sample Test Board 1. Reference Application Note M513 for reel size information. * Restrictions on Hazardous Substances, European Union Directive 2011/65/EU. 11 1 M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Visit www.macomtech.com for additional data sheets and product information. For further information and support please visit: AT-263-PIN Digital Attenuator, 31 dB, 5-Bit, TTL Driver Rev. V7 DC - 2 GHz 3,4 Electrical Specifications : -55C to +85C Parameter Test Conditions Units Min. Typ. Max. DC - 0.5 GHz 2.4 Insertion Loss DC - 1.0 GHz dB 2.8 DC - 2.0 GHz 3.0 (0.25 +3% of atten setting) Any single bits DC - 1.0 GHz Attenuation Accuracy dB (0.25 +3% of atten setting) or Any combination of bits DC - 2.0 GHz 0.4 whichever is greater Insertion Loss, DC - 2.0 GHz 1.6:1 VSWR Ratio Attenuation States, DC - 2.0 GHz 1.8:1 50% Control to 90%/10% RF 40 Switching Speed ns 10% to 90% or 90% to 10% 9 Transients In-Band (peak-peak) mV 30 0.05 GHz 20 1 dB Compression dBm 0.5 - 2.0 GHz 28 Two-tone inputs up to +5 dBm Input IP3 0.05 GHz dBm 40 0.5 - 2.0 GHz 48 Two-tone inputs up to +5 dBm Input IP2 0.05 GHz dBm 45 0.5 - 2.0 GHz 68 V V +4.5 +5.0 +5.5 CC V V -8.0 -5.0 EE V = 4.5 to 5.5 V CC I mA 5.0 CC V = 0 to 0.8 V, or V -2.1 V to V CONTROL CC CC I V = -5 to -8 V mA 1.0 EE EE Logic 0 (TTL) 0.0 0.8 Voltage Control V Logic 1 (TTL) 2.0 5.0 0 to 0.8 V Input Leakage Current A 1.0 2 to 5 V 3. All specifications apply when operated with bias voltages of +5 V for V and -5 V for V . CC EE 4. This attenuator is guaranteed monotonic. 22 2 M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. Visit www.macomtech.com for additional data sheets and product information. For further information and support please visit: