AD9914

更新时间： 2024-01-29 03:31:34

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
48页	852K
描述
3.5 GSPS Direct Digital Synthesizer with 12-Bit DAC

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技术参数
数据手册

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AD9914 技术参数

是否无铅：	含铅	是否Rohs认证：	符合
生命周期：	Active	包装说明：	,
针数：	88	Reach Compliance Code：	compliant
ECCN代码：	3A001.A.13.B	HTS代码：	8542.39.00.01
风险等级：	2.16	商用集成电路类型：	TONE/MUSIC SYNTHESIZER
Base Number Matches：	1

AD9914 数据手册

Data Sheet

AD9914

GENERAL DESCRIPTION

The AD9914 is a direct digital synthesizer (DDS) featuring a

12-bit DAC. The AD9914 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 1.4 GHz. The AD9914

enables fast frequency hopping and fine tuning resolution

(64-bit capable using programmable modulus mode). The

AD9914 also offers fast phase and amplitude hopping capability.

The frequency tuning and control words are loaded into the

AD9914 via a serial or parallel I/O port. The AD9914 also

supports a user defined linear sweep mode of operation for

generating linear swept waveforms of frequency, phase, or

amplitude. A high speed, 32-bit parallel data input port is

included, enabling high data rates for polar modulation

schemes and fast reprogramming of the phase, frequency,

and amplitude tuning words.

The AD9914 is specified to operate over the extended industrial

temperature range (see the Absolute Maximum Ratings section).

AD9914

OUTPUT

DDS

SHIFT

OSK

DAC_RSET

KEYING

AMPLITUDE (A)

PHASE (θ)

Acos (ωt + θ)

Asin (ωt + θ)

DRCTL

DRHOLD

DIGITAL

RAMP

GENERATOR

AOUT

DAC

12-BIT

DATA

ROUTE

FREQUENCY (ω)

DROVER

AND

PARTITION

CONTROL

CLOCK

INTERNAL

PROGRAMMING

REGISTERS

PS[2:0]

SYSCLK

I/O_UPDATE

REF_CLK

INTERNAL CLOCK TIMING

AND CONTROL

PLL

D0 TO D31

POWER-

DOWN

CONTROL

F0 TO F3

MULTICHIP

SYNCHRONIZATION

SYNC_CLK

Figure 2. Detailed Block Diagram

Rev. C | Page 3 of 48

1 234 5 6 7...48

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