Description

Low Cost, DC to 150 MHz, Variable Gain Amplifier Features: Fully differential signal path, also used with single-sided signals Inputs from 0.3 mV to 1 V rms, rail-to-rail outputs Differential RIN = 1 k; ROUT (each output) 75 Automatic offset compensation (optional) Linear-in-dB and linear-in-magnitude gain modes 0 dB to 50 dB, for 0 V < VDBS < 1.5 V (30 mV/dB) Inverted gain mode: 50 dB to 0 dB at −30 mV/dB ×0.03 to ×10 nominal gain for 15 mV < VMAG < 5 V Constant bandwidth: 150 MHz at all gains Low noise: 5 nV/√Hz typical at maximum gain Low distortion: ≤−62 dBc typical Low power: 20 mA typical at VS of 2.7 V to 6 V Available in a space-saving, 3 mm × 3 mm LFCSP package