AD9914PCBZ datasheet(1/48 Pages) AD

Part #	AD9914PCBZ

Description	3.5 GSPS Direct Digital Synthesizer with 12-Bit DAC

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3.5 GSPS Direct Digital Synthesizer

with 12-Bit DAC

Data Sheet

AD9914

Rev. C

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Technical Support

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FEATURES

3.5 GSPS internal clock speed

Integrated 12-bit DAC

Frequency tuning resolution to 190 pHz

16-bit phase tuning resolution

12-bit amplitude scaling

Programmable modulus

Automatic linear and nonlinear frequency sweeping

capability

32-bit parallel datapath interface

8 frequency/phase offset profiles

Phase noise: −128 dBc/Hz (1 kHz offset at 1396 MHz)

Wideband SFDR < −50 dBc

Serial or parallel I/O control

1.8 V/3.3 V power supplies

Software and hardware controlled power-down

88-lead LFCSP package

PLL REF CLK multiplier

Phase modulation capability

Amplitude modulation capability

APPLICATIONS

Agile LO frequency synthesis

Programmable clock generator

FM chirp source for radar and scanning systems

Test and measurement equipment

Acousto-optic device drivers

Polar modulator

Fast frequency hopping

FUNCTIONAL BLOCK DIAGRAM

Figure 1.

12-BIT DAC

3.5GSPS DDS CORE

TIMING AND CONTROL

AD9914

HIGH SPEED PARALLEL

MODULATION

PORT

LINEAR

SWEEP

BLOCK

SERIAL OR PARALLEL

DATA PORT

REF CLK

MULTIPLIER

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