7812 datasheet(4/19 Pages) AD

4 / 19 page

AD7811/AD7812

–4–

REV. B

ABSOLUTE MAXIMUM RATINGS

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

Digital Input Voltage to DGND (

CONVST, SCLK, RFS, TFS,

DIN, A0) . . . . . . . . . . . . . . . . . . . . . . . –0.3 V, VDD + 0.3 V

Digital Output Voltage to DGND (DOUT)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V, VDD + 0.3 V

REFIN to AGND . . . . . . . . . . . . . . . . . . . –0.3 V, VDD + 0.3 V

Analog Inputs

VIN1–VIN4 (AD7811) . . . . . . . . . . . . . . –0.3 V, VDD + 0.3 V

VIN1–VIN8 (AD7812) . . . . . . . . . . . . . . –0.3 V, VDD + 0.3 V

Storage Temperature Range . . . . . . . . . . . . –65

°C to +150°C

Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 150

°C

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

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

Lead Temperature, (Soldering 10 sec) . . . . . . . . . . . . 260

°C

ORDERING GUIDE

Linearity

Package

Model

Error

Descriptions

Options

AD7811YN

±1 LSB

16-Lead Plastic DIP

N-16

AD7811YR

±1 LSB

16-Lead Small Outline IC (SOIC)

R-16A

AD7811YRU

±1 LSB

16-Lead Thin Shrink Small Outline Package (TSSOP)

RU-16

AD7812YN

±1 LSB

20-Lead Plastic DIP

N-20

AD7812YR

±1 LSB

20-Lead Small Outline IC (SOIC)

R-20A

AD7812YRU

±1 LSB

20-Lead Thin Shrink Small Outline Package (TSSOP)

RU-20

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

JA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . 75

°C/W

Lead Temperature, Soldering

Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . 215

°C

Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . 220

°C

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

θJA Thermal Impedance . . . . . . . . . . . . . . . . . . . . 115°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 perma-

nent 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.

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 AD7811/AD7812 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

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