EVAL-AD9834EB Просмотр технического описания (PDF) - Analog Devices

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EVAL-AD9834EB

Low Power, +2.3 V to +5.5 V, 50 MHz Complete DDS

Analog Devices 

PRELIMINARY TECHNICAL DATA

AD9834

ABSOLUTE MAXIMUM RATINGS*

(TA = +25°C unless otherwise noted)

AVDD to AGND . . . . . . . . . . . . . . . . . . . . –0.3 V to +6 V

DVDD to DGND . . . . . . . . . . . . . . . . . . . . –0.3 V to +6 V

AVDD to DVDD . . . . . . . . . . . . . . . . . . –0.3 V to +0.3 V

AGND to DGND. . . . . . . . . . . . . . . . . . –0.3 V to +0.3 V

CAP/2.5V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.75 V

Digital I/O Voltage to DGND –0.3 V to DVDD + 0.3 V

Analog I/O Voltage to AGND –0.3 V to AVDD + 0.3 V

Operating Temperature Range

Industrial (B Version) . . . . . . . . . . . . . . –40°C to +85°C

Storage Temperature Range . . . . . . . . . –65°C to +150°C

Maximum Junction Temperature . . . . . . . . . . . . . +150°C

TSSOP Package

θJA Thermal Impedance . . . . . . . . . . . . . . . . . . . 143°C/W

θJC Thermal Impedance . . . . . . . . . . . . . . . . . . . 45°C/W

Lead Temperature, Soldering (10 sec) . . . . . . . . . 300°C

IR Reflow, Peak Temperature . . . . . . . . . . . . . . . 220°C

*Stresses above those listed under “Absolute Maximum Ratings” may cause permanent

damage to the device. This is a stress rating only and functional operation of the device

at these or any other conditions above those listed in the operational sections of this

specification is not implied. Exposure to absolute maximum rating conditions for

extended periods may affect device reliability.

ORDERING GUIDE

Model

Temperature Range Package Description

Package Option

AD9834BRU

–40°C to +85°C

EVAL-AD9834EB

20-Pin TSSOP (Thin Shrink Small Outline Package ) RU-20

Evaluation Board

PIN CONFIGURATION

FS ADJUST 1

20 IOUTB

REFOUT 2 AD9834 19 IOUT

COMP 3

18 AGND

AVDD 4

O

17 VIN

TOP VIEW

DVDD 5 (Not to Scale) 16 SIGNBITOUT

CAP/+2.5V 6

15 FSYNC

DGND 7

14 SCLK

MCLK 8

13 SDATA

FSELECT 9

PSELECT 10

12 SLEEP

11 RESET

CAUTION

ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily

accumulate on the human body and test equipment and can discharge without detection.

Although the AD9834 features proprietary ESD protection circuitry, permanent damage may

occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD

precautions are recommended to avoid performance degradation or loss of functionality.

REV PrM

–4–

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