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AD9858FDPCB

更新时间： 2024-09-16 22:24:39

品牌	Logo	应用领域
亚德诺 - ADI		/
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32页	942K
描述
1 GSPS Direct Digital Synthesizer

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AD9858FDPCB 数据手册

1 GSPS

Direct Digital Synthesizer

AD9858

FEATURES

1 GSPS internal clock speed

GENERAL DESCRIPTION

The AD9858 is a direct digital synthesizer (DDS) featuring a

10-bit DAC operating up to 1GSPS. The AD9858 uses advanced

DDS technology, coupled with an internal high speed, high

performance D/A converter to form a digitally programmable,

complete high frequency synthesizer capable of generating a

frequency-agile analog output sine wave at up to 400+ MHz.

The AD9858 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 AD9858

via parallel (8-bit) or serial loading formats. The AD9858

contains an integrated charge pump (CP) and phase frequency

detector (PFD) for synthesis applications requiring the

combination of a high speed DDS along with phase-locked loop

(PLL) functions. An analog mixer is also provided on-chip for

applications requiring the combination of a DDS, PLL, and

mixer, such as frequency translation loops, tuners, and so on.

The AD9858 also features a divide-by-2 on the clock input,

allowing the external clock to be as high as 2 GHz.

Up to 2 GHz input clock (selectable divide-by-2)

Integrated 10-bit D/A converter

Phase noise < 145 dBc/Hz @ 1 kHz offset

Output frequency = 100 MHz (DAC output)

32-bit programmable frequency register

Simplified 8-bit parallel and SPI® serial control interface

Automatic frequency sweeping capability

4 frequency profiles

3.3 V power supply

Power dissipation 2 W typical

Integrated programmable charge pump and phase

frequency detector with fast lock circuit

Isolated charge pump supply up to 5 V

Integrated 2 GHz mixer

APPLICATIONS

VHF/UHF LO synthesis

Tuners

The AD9858 is specified to operate over the extended industrial

temperature range of –40°C to +85°C.

Instrumentation

Agile clock synthesis

Cellular base station hopping synthesizer

Radar

Sonet/SDH clock synthesis

FUNCTIONAL BLOCK DIAGRAM

DIV

÷ M

PHASE

DETECTOR

÷ N

AD9858

CHARGE

PUMP

ANALOG

MULTIPLIER

DIGITAL PLL

CPISET

FREQUENCY

ACCUMULATOR

PHASE

ACCUMULATOR

DACISET

PHASE-TO-

AMPLITUDE

CONVERSION

OUT

DAC

OUT

DAC CLOCK

TIMING AND CONTROL LOGIC

RESET

FUD

SYNCLK

CONTROL REGISTERS

POWER-

DOWN

LOGIC

÷ 8

REFCLK

÷ 2

PROFILE I/O PORT

SELECT (SER/PAR)

Figure 1.

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 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AD9858FDPCB相关器件

型号	品牌	获取价格	描述	数据表
AD9858PCB	ADI	获取价格	1 GSPS Direct Digital Synthesizer
AD9858TLPCB	ADI	获取价格	1 GSPS Direct Digital Synthesizer
AD9859	ADI	获取价格	400 MSPS, 10-Bit, 1.8 V CMOS Direct Digital Synthesizer
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

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