
Analog Devices
GENERAL DESCRIPTION
The ADL5391 draws on three decades of experience in advanced analog multiplier products. It provides the same general mathematical function that has been field proven to provide an exceptional degree of versatility in function synthesis.
FEATURES
Ultrafast symmetric multiplier
Function: VW = α × (VX × VY)/1 V + VZ
Unique design ensures absolute XY-symmetry
Identical X and Y amplitude/timing responses
Adjustable gain scaling, α
DC-coupled throughout, 3 dB bandwidth of 2 GHz
Fully differential inputs, may be used single ended
Low noise, high linearity
Accurate, temperature stable gain scaling
Single-supply operation (4.5 V to 5.5 V @ 130 mA)
Low current power-down mode
16-lead LFCSP
APPLICATIONS
Wideband multiplication and summing
High frequency analog modulation
Adaptive antennas (diversity/phased array)
Square-law detectors and true rms detectors
Accurate polynomial function synthesis
DC capable VGA with very fast control