AD9832BRU

更新时间： 2024-02-10 12:58:08

品牌	Logo	应用领域
亚德诺 - ADI		数据分配系统
页数	文件大小	规格书
16页	149K
描述
CMOS Complete DDS

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数据手册

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AD9832BRU 数据手册

CMOS

Complete DDS

AD9832

GENERAL DESCRIPTION

FEATURES

The AD9832 is a numerically controlled oscillator employing

a phase accumulator, a sine look-up table and a 10-bit D/A

converter integrated on a single CMOS chip. Modulation

capabilities are provided for phase modulation and frequency

modulation.

3 V/5 V Power Supply

25 MHz Speed

On-Chip SINE Look-Up Table

On-Chip 10-Bit DAC

Serial Loading

Power-Down Option

45 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.

APPLICATIONS

DDS Tuning

Digital Demodulation

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.

FUNCTIONAL BLOCK DIAGRAM

DVDD

DGND

AVDD

REFOUT

AGND

FS ADJUST REFIN

FSELECT

BIT

SELSRC

MCLK

ON-BOARD

REFERENCE

FULL-SCALE

CONTROL

COMP

IOUT

FSELECT

SYNC

FREQ0 REG

FREQ1 REG

PHASE

ACCUMULATOR

(32 BIT)

SIN

ROM

MUX

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

CONTROL REGISTER

PSEL0

BIT

PSEL1

BIT

DECODE LOGIC

SERIAL REGISTER

FSELECT/PSEL REGISTER

PSEL0

PSEL1

FSYNC

SCLK

SDATA

REV. A

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 rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

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