AD9832BRUZ-REEL

更新时间： 2024-02-06 08:16:34

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
28页	527K
描述
25 MHz Direct Digital Synthesizer, Waveform Generator

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AD9832BRUZ-REEL 数据手册

25 MHz Direct Digital Synthesizer,

Waveform Generator

Data Sheet

AD9832

FEATURES

GENERAL DESCRIPTION

25 MHz speed

The AD9832 is a numerically controlled oscillator employing

a phase accumulator, a sine look-up table, and a 10-bit digital-

to-analog converter (DAC) integrated on a single CMOS chip.

Modulation capabilities are provided for phase modulation and

frequency modulation.

On-chip SIN lookup table

On-chip, 10-bit DAC

Serial loading

Power-down option

Temperature range: −40°C to +85°C

200 mW power consumption

16-Lead TSSOP

Clock rates up to 25 MHz are supported. Frequency accuracy can

be controlled to one part in 4 billion. Modulation is effected by

loading registers through the serial interface.

A power-down bit allows the user to power down the AD9832

when it is not in use, the power consumption being reduced to

5 mW (5 V) or 3 mW (3 V). The part is available in a 16-lead

TSSOP package.

APPLICATIONS

Frequency stimulus/waveform generation

Frequency phase tuning and modulation

Low power RF/communications systems

Liquid and gas flow measurement

Sensory applications: proximity, motion, and defect

detection

Similar DDS products can be found at www.analog.com/DDS.

Test and medical equipment

FUNCTIONAL BLOCK DIAGRAM

DVDD DGND

AVDD AGND

REFOUT

FS ADJUST REFIN

FSELECT

BIT

SELSRC

MCLK

ON-BOARD

REFERENCE

FULL-SCALE

CONTROL

COMP

IOUT

FSELECT

SYNC

FREQ0 REG

FREQ1 REG

PHASE

SIN

ROM

ACCUMULATOR

(32 BIT)

10-BIT DAC

PHASE0 REG

PHASE1 REG

PHASE2 REG

PHASE3 REG

AD9832

MUX

SYNC

16-BIT DATA REGISTER

SYNC

SELSRC

8 MSBs

8 LSBs

DEFER REGISTER

MUX

CONTROL REGISTER

PSEL0

BIT

PSEL1

BIT

DECODE LOGIC

FSELECT/PSEL REGISTER

SERIAL REGISTER

PSEL0 PSEL1

FSYNC

SCLK

SDATA

Figure 1.

Rev. E

Document Feedback

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rightsof third parties that may result fromits use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks andregisteredtrademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Technical Support

www.analog.com

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