AD7730L_98 데이터 시트보기 (PDF) - Analog Devices

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AD7730L_98

Bridge Transducer ADC

Analog Devices 

ABSOLUTE MAXIMUM RATINGS*

(TA = +25°C unless otherwise noted)

AVDD to AGND . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V

AVDD to DGND . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V

DVDD to AGND . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V

DVDD to DGND . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +7 V

AGND to DGND . . . . . . . . . . . . . . . . . . . . . . –5 V to +0.3 V

AVDD to DVDD . . . . . . . . . . . . . . . . . . . . . . . . . –2 V to +5 V

Analog Input Voltage to AGND . . . . –0.3 V to AVDD + 0.3 V

Reference Input Voltage to AGND . . –0.3 V to AVDD + 0.3 V

AIN/REF IN Current (Indefinite) . . . . . . . . . . . . . . . . 30 mA

Digital Input Voltage to DGND . . . . –0.3 V to DVDD + 0.3 V

Digital Output Voltage to DGND . . . –0.3 V to DVDD + 0.3 V

Output Voltage (ACX, ACX, D0, D1) to DGND

. . . . . . . . . . . . . . . . . . . . . . . . . . . . –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

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

AD7730/AD7730L

Plastic DIP Package, Power Dissipation . . . . . . . 450 mW

θJA Thermal Impedance . . . . . . . . . . . . . . . . . 105°C/W

Lead Temperature (Soldering, 10 sec) . . . . . . . +260°C

TSSOP Package, Power Dissipation . . . . . . . . . . 450 mW

θJA Thermal Impedance . . . . . . . . . . . . . . . . . 128°C/W

Lead Temperature, Soldering

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

Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . +220°C

SOIC Package, Power Dissipation . . . . . . . . . . . . 450 mW

θJA Thermal Impedance . . . . . . . . . . . . . . . . . . 75°C/W

Lead Temperature, Soldering

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

Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . +220°C

*Stresses above those listed under Absolute Maximum Ratings may cause

permanent damage to the device. This is a stress rating only; 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

AD7730BN

AD7730BR

AD7730BRU

EVAL-AD7730EB

AD7730LBR

AD7730LBRU

EVAL-AD7730LEB

Temperature

Range

–40°C to +85°C

–40°C to +85°C

–40°C to +85°C

Evaluation Board

–40°C to +85°C

–40°C to +85°C

Evaluation Board

Package

Description

Plastic DIP

Small Outline

Thin Shrink Small Outline

Small Outline

Thin Shrink Small Outline

Package

Options

N-24

R-24

RU-24

R-24

RU-24

ISINK (800␮A AT DVDD = +5V

100␮A AT DVDD = +3V)

TO OUTPUT

PIN

50pF

+1.6V

ISOURCE (200␮A AT DVDD = +5V

100␮A AT DVDD = +3V)

Figure 1. Load Circuit for Access Time and Bus Relinquish Time

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 AD7730 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.

WARNING!

ESD SENSITIVE DEVICE

REV. A

–5–

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