The ADL5335 is a digital gain amplifier (DGA) optimized for use in wireless transmitters. A differential input and single- ended output facilitates a balun free connection between the broadband integrated transceivers with differential outputs and the RF gain blocks and drivers amplifiers with single-ended inputs.The gain is programmable via a standard Analog Devices, Inc., serial peripheral interface (SPI) port from a maximum gain of 12.0 dB down to a minimum gain of −8.0 dB with a gain step size of 0.5 dB. The ADL5335 also features a fast attack function where the gain can rapidly increase or decrease by the application of a single pulse.The use of a thermometer-based digital step attenuator (DSA) ensures that gain changes are fundamentally glitch free. The ADL5335 is packaged in a 4 mm × 4 mm, 16-lead LFCSP. A fully populated evaluation board and system demonstration platform (SDP)-based control software are available.ApplicationsRF power control and calibration in wireless transmitters