Digital Attenuator, 15 dB, 4-Bit DC - 2 GHz AT-212 V 2.00 Features ● ● ● ● ● CR-6 Attenuation 1-dB Steps to 15 dB Temperature Stability +/-0.18 dB from -55°C to +85°C Typical Ultra Low DC Power Consumption Hermetic Surface Mount Package Fast Switching Speed, 10 ns Typical Guaranteed Specifications1 (From -55°C to +85°C) Frequency Range DC - 2.0 GHz Nominal Attenuation2 1 dB Steps to 15 dB Attenuation Accuracy DC - 2.0 GHz Any Single Bit +/- (0.10 dB + 3% if Attenuation Setting in dB) dB Any Combination of Bits+/- (0.15 dB +3% if Attenuation Setting in dB) dB VSWR DC - 2.0 GHz 1.5:1 dB Max Reference Insertion Loss DC - 2.0 GHz 2.0 dB Max Operating Characteristics Impedance 50 Ohms Nominal Switching Characteristics Trise, Tfall (10% to 90%) Ton, Toff (50% C+L to 90%/10% RF) Transients (in band) 10 ns Typ 15 ns Typ 18 mV Typ Input Power for 1 dB Compression .005 GHz .05 GHz to 5 GHz +22 dBm Typ +28 dBm Typ Intermodulation Intercept Point (for two-tone input power up to +5 dBm) Intercept Points IP2 .005 GHz to 5 GHz +49 .05 GHz to 5 GHz +72 IP3 +45 +50 dBm dBm Control Voltages (Complementary Logic) V IN Low 0 V to -0.2 V @ 20µA Max V IN Hi -5 V @ 10µA typ to -8 V @ 200 µA Max 1. All specifications apply with 50 ohm connected to all RF ports. 2.Above reference insertion loss . 3.Contact the factory for standard or custom screening requirements. Ordering Information Model No. Package AT-212 PIN Surface Mount Digital Attenuator, 15 dB, 4-Bit AT-212 V 2.00 Absolute Maximum Ratings 1 Parameter Absolute Maximum Max Input Power 0.05 GHz 0.5 - 2.0 GHz +27 dBm +34 dBm Control Voltage +5 V, -8.5 V Operating Temperature -55°C to +125°C Storage Temperature -65°C to +150C 1. Operation of this device above any one of these parameters may cause permanent damage. Truth Table Control Inputs VC4 VC4 VC3 VC3 VC2 VC2 VC1 VC1 Attenuation (dB) 1 0 1 0 1 0 1 0 Reference 0 1 1 0 1 0 1 0 1 dB 1 0 0 1 1 0 1 0 2 dB 1 0 1 0 0 1 1 0 4 dB 1 0 1 0 1 0 0 1 8 dB 0 1 0 1 0 1 0 1 15 dB “0” = Vin Low, Vin Low = 0 V, “1” = Vin High, Vin High = -5 V Functional Schematic (Top View) Typical Performance