Datasheet > AD9859

AD9859

更新时间： 2024-11-08 22:03:27

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
24页	370K
描述
400 MSPS, 10-Bit, 1.8 V CMOS Direct Digital Synthesizer

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AD9859 数据手册

400 MSPS, 10-Bit, 1.8 V CMOS

Direct Digital Synthesizer

AD9859

APPLICATIONS

FEATURES

Agile LO frequency synthesis

400 MSPS internal clock speed

Programmable clock generators

Test and measurement equipment

Commercial and amateur radio exciter

Integrated 10-bit DAC

32-bit tuning word

Phase noise ≤ –120 dBc/Hz @ 1 kHz offset (DAC output)

Excellent dynamic performance

>75 dB SFDR @ 160 MHz ( 100 kHz offset) A_OUT

Serial I/O control

1.8 V power supply

Software and hardware controlled power-down

48-lead TQFP/EP package

Support for 5 V input levels on most digital inputs

PLL REFCLK multiplier (4× to 20×)

Internal oscillator; can be driven by a single crystal

Phase modulation capability

GENERAL DESCRIPTION

The AD9859 is a direct digital synthesizer (DDS) featuring a

10-bit DAC operating at up to 400 MSPS. The AD9859 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

200 MHz. The AD9859 is designed to provide fast frequency

hopping and fine tuning resolution (32-bit frequency tuning

word). The frequency tuning and control words are loaded into

the AD9859 via a serial I/O port.

Multichip synchronization

The AD9859 is specified to operate over the extended industrial

temperature range of –40°C to +105°C

FUNCTIONAL BLOCK DIAGRAM

DDS CORE

AD9859

PHASE

ACCUMULATOR

DAC_R

PHASE

OFFSET

SET

–1

IOUT

COS(X)

DAC

SYSTEM

CLOCK

–1

SYNC_IN

OSK

TIMING AND CONTROL LOGIC

I/O UPDATE

SYNC_CLK

PWRDWNCTL

SYNC

CONTROL REGISTERS

÷ 4

OSCILLATOR/BUFFER

SYSTEM

CLOCK

4×–20×

REFCLK

CLOCK

MULTIPLIER

ENABLE

CRYSTAL OUT

I/O PORT

RESET

Figure 1.

Rev. 0

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 that may result from its 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 and

registered trademarks are the property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.326.8703

www.analog.com

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与AD9859相关器件

型号	品牌	获取价格	描述	数据表
AD9859/PCBZ1	ADI	获取价格	400 MSPS, 10-Bit,1.8 V CMOS Direct Digital Synthesizer
AD9859_09	ADI	获取价格	400 MSPS, 10-Bit, 1.8 V CMOS Direct Digital Synthesizer
AD9859_17	ADI	获取价格	CMOS Direct Digital Synthesizer
AD9859YSV	ADI	获取价格	400 MSPS, 10-Bit, 1.8 V CMOS Direct Digital Synthesizer
AD9859YSV-REEL7	ADI	获取价格	400 MSPS, 10-Bit, 1.8 V CMOS Direct Digital Synthesizer
AD9859YSVZ	ADI	获取价格	CMOS Direct Digital Synthesizer
AD9859YSVZ1	ADI	获取价格	400 MSPS, 10-Bit,1.8 V CMOS Direct Digital Synthesizer
AD9859YSVZ-REEL7	ADI	获取价格	CMOS Direct Digital Synthesizer
AD9859YSVZ-REEL71	ADI	获取价格	400 MSPS, 10-Bit, 1.8 V CMOS Direct Digital Synthesizer
AD9860	ADI	获取价格	Mixed-Signal Front-End (MxFE⑩) Processor for

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