AT90-0233

Digital Attenuator, 30 dB, 4-Bit, TTL Driver, DC - 2.5 GHz V 1.00 AT90-0233 Features n Attenuation: 2 dB Steps to 30 dB n Low DC Power Consumption n Small Footprint, JEDEC Package n Integral TTL Driver n 50 Ohm Impedance n Test Boards Available n Tape and Reel Packaging Available CSP-1 Description M/A-COM’s AT90-0233 is a GaAs FET 4-Bit digital attenuator with integral driver. Step size is 2 dB providing a 30 dB attenuation range. This device is in an FQFP-N plastic surface mount package. The AT90-0233 is suited for use where accuracy, fast speed, very low power consumption and low costs are required. Electrical Specifications TA = +25°C 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 or Combination of Bits 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 µA max. Source Current is 20 µA max. Vcc min to max, Logic “0” or “1” -Vee min to max, Logic “0” or “1” Frequency DC - 2.5 GHz DC - 2.5 GHz DC - 2.5 GHz — — 50 MHz 0.5 - 2.5 GHz 50 MHz 0.5 - 2.5 GHz — — — — — — Units 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 2.7 — 1.5:1 75 20 +21 +29 +35 +48 5.0 -5.0 — — 0.2 -0.2 Max 3.0 ±(.3 +5% of atten setting) 1.8:1 150 50 — — — — 5.25 -4.75 0.8 5.0 6 -1 Digital Attenuator, 30 dB, 4-Bit, TTL Driver, DC - 2.5 GHz Pin Configuration Pin No. 1 2 3 ...