AD9954(Rev0) Ver la hoja de datos (PDF) - Analog Devices

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AD9954
(Rev.:Rev0)

400 MSPS 14-Bit, 1.8 V CMOS Direct Digital Synthesizer

Analog Devices 

GENERAL DESCRIPTION

The AD9954 is a direct digital synthesizer (DDS) featuring a

14-bit DAC operating up to 400 MSPS. The AD9954 uses

advanced DDS technology, coupled with an internal high speed,

high performance DAC to form a digitally programmable,

complete high frequency synthesizer capable of generating a

frequency-agile analog output sinusoidal waveform at up to

200 MHz. The AD9954 is designed to provide fast frequency

hopping and fine tuning resolution (32-bit frequency tuning

word). The frequency tuning and control words are loaded into

AD9954

the AD9954 via a serial I/O port. The AD9954 includes an

integrated 1024 × 32 static RAM to support flexible frequency

sweep capability in several modes. The AD9954 also supports a

user defined linear sweep mode of operation. The device

includes an on-chip high speed comparator for applications

requiring a square wave output.

The AD9954 is specified to operate over the extended industrial

temperature range of –40°C to +105°C.

Rev. 0 | Page 3 of 36

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