AD9858TLPCB datasheet, PDF - EEWORLD Datasheet

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AD9858TLPCB: DescriptionDSP-NUM CONTROLLED OSCILLATOR, PQFP100; Categorysemiconductor The embedded processor and controller; File Size609KB，32 Pages; ManufacturerADI; Websitehttps://www.analog.com

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AD9858TLPCB Overview

DSP-NUM CONTROLLED OSCILLATOR, PQFP100

AD9858TLPCB Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	100
Maximum operating temperature	85 Cel
Minimum operating temperature	-40 Cel
Maximum supply/operating voltage	3.46 V
Minimum supply/operating voltage	3.14 V
Rated supply voltage	3.3 V
Processing package description	Plastic, MS-026AED-HD, TQFP-100
state	ACTIVE
packaging shape	SQUARE
Package Size	FLATPACK, THIN PROFILE, FINE PITCH
surface mount	Yes
Terminal form	GULL WING
Terminal spacing	0.5000 mm
terminal coating	Tin lead OVER silver
Terminal location	Four
Packaging Materials	Plastic/Epoxy
Temperature level	INDUSTRIAL
Maximum FCLK clock frequency	2000 MHz
low power mode	Yes
Microprocessor type	NUM controls OSCILLATOR

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1 GSPS

Direct Digital Synthesizer

AD9858

FEATURES

1 GSPS internal clock speed

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

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.

The AD9858 is specified to operate over the extended industrial

temperature range of –40°C to +85°C.

APPLICATIONS

VHF/UHF LO synthesis

Tuners

Instrumentation

Agile clock synthesis

Cellular base station hopping synthesizer

Radar

Sonet/SDH clock synthesis

DIV

CPISET

FREQUENCY

ACCUMULATOR

FUNCTIONAL BLOCK DIAGRAM

÷M

÷N

CHARGE

PUMP

ANALOG

MULTIPLIER

PHASE

DETECTOR

AD9858

DIGITAL PLL

PHASE

ACCUMULATOR

DACISET

PHASE-TO-

AMPLITUDE

CONVERSION

DAC

OUT

FREQUENCY

ACCUMULATOR

RESET

PHASE

ACCUMULATOR

RESET

DELTA

FREQUENCY

WORD

DELTA

FREQUENCY

RAMP RATE

FREQUENCY

TUNING

WORD

PHASE

OFFSET

ADJUST

DAC CLOCK

RESET

TIMING AND CONTROL LOGIC

FUD

SYNCLK

CONTROL REGISTERS

SYNC

POWER-

DOWN

LOGIC

÷8

÷2

REFCLK

03166-A-001

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

www.analog.com

Fax: 781.326.8703

AD9858

TABLE OF CONTENTS

Features .......................................................................................... 1

Applications................................................................................... 1

General Description..................................................................... 1

Functional Block Diagram .......................................................... 1

AD9858—Electrical Specifications ................................................ 3

Absolute Maximum Ratings............................................................ 6

ESD Caution.................................................................................. 6

Pin Configuration............................................................................. 7

Pin Function Descriptions .............................................................. 8

Typical Performance Characteristics ........................................... 10

Theory of Operation ...................................................................... 15

Overview ..................................................................................... 15

Component Blocks..................................................................... 15

Modes of Operation................................................................... 17

Synchronization.......................................................................... 19

Programming the AD9858........................................................ 21

AD9858 Application Suggestions............................................. 29

Evaluation Boards ...................................................................... 30

Outline Dimensions ....................................................................... 31

Warning ....................................................................................... 31

Ordering Guide .......................................................................... 31

REVISION HISTORY

11/03—Data Sheet Changed from a REV. 0 to a REV. A

Changes to SPECIFICATIONS........................................................ 5

Moved ESD Caution to ..................................................................... 6

Moved Pin Configuration to ............................................................ 7

Moved Pin Function Description to ............................................... 8

Changes to Equations........................................................................ 19

Changes to Delta Frequency Ramp Rate Word (DFRRW) .......... 27

Rev. A | Page 2 of 32

AD9858TLPCB Related Products

	AD9858TLPCB	AD9858	AD9858BSV	AD9858FDPCB	AD9858PCB
Description	DSP-NUM CONTROLLED OSCILLATOR, PQFP100	DSP-NUM CONTROLLED OSCILLATOR, PQFP100	DSP-NUM CONTROLLED OSCILLATOR, PQFP100	DSP-NUM CONTROLLED OSCILLATOR, PQFP100	DSP-NUM CONTROLLED OSCILLATOR, PQFP100
Number of functions	1	1	1	1	1
Number of terminals	100	100	100	100	100
Maximum operating temperature	85 Cel	85 Cel	85 Cel	85 Cel	85 Cel
Minimum operating temperature	-40 Cel	-40 Cel	-40 Cel	-40 Cel	-40 Cel
Maximum supply/operating voltage	3.46 V	3.46 V	3.46 V	3.46 V	3.46 V
Minimum supply/operating voltage	3.14 V	3.14 V	3.14 V	3.14 V	3.14 V
Rated supply voltage	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V
Processing package description	Plastic, MS-026AED-HD, TQFP-100	Plastic, MS-026AED-HD, TQFP-100	Plastic, MS-026AED-HD, TQFP-100	Plastic, MS-026AED-HD, TQFP-100	Plastic, MS-026AED-HD, TQFP-100
state	ACTIVE	ACTIVE	ACTIVE	ACTIVE	ACTIVE
packaging shape	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE
Package Size	FLATPACK, THIN PROFILE, FINE PITCH	FLATPACK, THIN PROFILE, FINE PITCH	FLATPACK, THIN PROFILE, FINE PITCH	FLATPACK, THIN PROFILE, FINE PITCH	FLATPACK, THIN PROFILE, FINE PITCH
surface mount	Yes	Yes	Yes	Yes	Yes
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING
Terminal spacing	0.5000 mm	0.5000 mm	0.5000 mm	0.5000 mm	0.5000 mm
terminal coating	Tin lead OVER silver	Tin lead OVER silver	Tin lead OVER silver	Tin lead OVER silver	Tin lead OVER silver
Terminal location	Four	Four	Four	Four	Four
Packaging Materials	Plastic/Epoxy	Plastic/Epoxy	Plastic/Epoxy	Plastic/Epoxy	Plastic/Epoxy
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Maximum FCLK clock frequency	2000 MHz	2000 MHz	2000 MHz	2000 MHz	2000 MHz
low power mode	Yes	Yes	Yes	Yes	Yes
Microprocessor type	NUM controls OSCILLATOR	NUM controls OSCILLATOR	NUM controls OSCILLATOR	NUM controls OSCILLATOR	NUM controls OSCILLATOR

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