參數(shù)資料
型號: AD9832BRU
廠商: ANALOG DEVICES INC
元件分類: 通信及網(wǎng)絡(luò)
英文描述: CMOS Complete DDS
中文描述: SPECIALTY TELECOM CIRCUIT, PDSO16
封裝: TSSOP-16
文件頁數(shù): 1/16頁
文件大小: 146K
代理商: AD9832BRU
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.
a
AD9832
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 1999
CMOS
Complete DDS
FUNCTIONAL BLOCK DIAGRAM
IOUT
COMP
REFIN
FS ADJUST
REFOUT
AGND
AVDD
DGND
DVDD
MCLK
PSEL0 PSEL1
12
Σ
AD9832
ON-BOARD
REFERENCE
10-BIT DAC
PHASE0 REG
PHASE1 REG
PHASE2 REG
PHASE3 REG
FULL-SCALE
CONTROL
SIN
ROM
PHASE
ACCUMULATOR
(32 BIT)
MUX
FREQ0 REG
FREQ1 REG
MUX
16-BIT DATA REGISTER
SYNC
FSELECT
FSELECT
BIT
SELSRC
SYNC
8 LSBs
8 MSBs
DECODE LOGIC
FSYNC
SCLK
SDATA
SERIAL REGISTER
CONTROL REGISTER
FSELECT/PSEL REGISTER
DEFER REGISTER
SYNC
SYNC
SELSRC
PSEL0
BIT
PSEL1
BIT
FEATURES
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
APPLICATIONS
DDS Tuning
Digital Demodulation
GENERAL DESCRIPTION
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.
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.
相關(guān)PDF資料
PDF描述
AD9833 +2.5 V to +5.5 V, 25 MHz Low Power CMOS Complete DDS
AD9833BRM +2.5 V to +5.5 V, 25 MHz Low Power CMOS Complete DDS
AD9834 Low Power, +2.3 V to +5.5 V, 50 MHz Complete DDS
AD9834BRU Low Power, +2.3 V to +5.5 V, 50 MHz Complete DDS
AD9835 50 MHz CMOS Complete DDS
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