AD9833BRMZ-REEL

AD9833BRMZ-REEL FEATURES

Digitally programmable frequency and phase12.65 mW power consumption at 3 V0 MHz to 12.5 MHz output frequency range28-bit resolution: 0.1 Hz at 25 MHz reference clockSinusoidal, triangular, and square wave outputs2.3 V to 5.5 V power supplyNo external components required3-wire SPI interfaceExtended temperature range: −40°C to +105°CPower-down option10-lead MSOP packageAEC-Q100 qualified for automotive applications

AD9833BRMZ-REEL GENERAL DESCRIPTION

The AD9833 is a low power, programmable waveformgenerator capable of producing sine, triangular, and squarewave outputs. Waveform generation is required in varioustypes of sensing, actuation, and time domain reflectometry(TDR) applications. The output frequency and phase aresoftware programmable, allowing easy tuning. No externalcomponents are needed. The frequency registers are 28 bitswide: with a 25 MHz clock rate, resolution of 0.1 Hz can beachieved; with a 1 MHz clock rate, the AD9833 can be tuned to0.004 Hz resolution.The AD9833 is written to via a 3-wire serial interface. This serialinterface operates at clock rates up to 40 MHz and iscompatible with DSP and microcontroller standards. Thedevice operates with a power supply from 2.3 V to 5.5 V.The AD9833 has a power-down function (SLEEP). This functionallows sections of the device that are not being used to be powereddown, thus minimizing the current consumption of the part. Forexample, the DAC can be powered down when a clock outputis being generated.The AD9833 is available in a 10-lead MSOP package.

AD9833BRMZ-REEL APPLICATIONS

Frequency stimulus/waveform generationLiquid and gas flow measurementSensory applications: proximity, motion,and defect detectionLine loss/attenuationTest and medical equipmentSweep/clock generatorsTime domain reflectometry (TDR) applications