EVAL-AD7484CB データシートの表示（PDF） - Analog Devices

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EVAL-AD7484CB

3MSPS, 14-Bit SAR ADC

Analog Devices 

AD7484

PRELIMINARY TECHNICAL DATA

ABSOLUTE MAXIMUM RATINGS1

(TA = +25°C unless otherwise noted)

VDD to GND . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 V to +7 V

VDRIVE to GND . . . . . . . . . . . . . . . . . . . . . . . . -0.3 V to +7 V

Analog Input Voltage to GND . . -0.3 V to AVDD + 0.3 V

Digital Input Voltage to GND . . -0.3 V to DVDD + 0.3 V

REF IN to GND . . . . . . . . . . . . . -0.3 V to AVDD + 0.3 V

Input Current to Any Pin Except Supplies . . . . . . . ±10mA

Operating Temperature Range

Commercial . . . . . . . . . . . . . . . . . . . . . . –40°C to +85°C

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

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

48-Pin LQFP Package, Power Dissipation . . . . . . . . TBD

␪JA Thermal Impedance . . . . . . . . . . . . . . . . . . . . 50°C/W

␪JC Thermal Impedance . . . . . . . . . . . . . . . . . . . 10°C/W

Lead Temperature, Soldering

Vapor Phase (60 secs) . . . . . . . . . . . . . . . . . . . +215°C

Infared (15 secs) . . . . . . . . . . . . . . . . . . . . . . . +220°C

ESD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TBD

NOTES

1Stresses 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.

PIN CONFIGURATION

AVDD 1

CBIAS 2

AGND 3

AGND 4

AVDD 5

AGND 6

VIN 7

VREF2 8

VREF1 9

VREF3 10

AGND 11

AGND 12

PIN 1 IDENTIFIER

AD7484

TOP VIEW

(Not to Scale)

36 D10

35 D9

34 D8

33 D7

32 VDRIVE

31 DGND

30 DGND

29 DVDD

28 D6

27 D5

26 D4

25 D3

ORDERING GUIDE

Model

Temperature

Range

Package

Description

Option

AD7484BST

EVAL-AD7484CB1

EVAL-CONTROL BRD22

-40°C to +85°C

Low-profile Quad Flat Pack

Evaluation Board

Controller Board

ST-48

NOTES

1This can be used as a stand-alone evaluation board or in conjunction with the EVAL-CONTROL BOARD for evaluation/demonstration purposes.

2This board is a complete unit allowing a PC to control and communicate with all Analog Devices evaluation boards ending in the CB designators.

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 AD7484 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.

–4–

WARNING!

ESD SENSITIVE DEVICE

REV. PrC 7/13/01

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