EVAL-AD7818EB Просмотр технического описания (PDF) - Analog Devices

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EVAL-AD7818EB

Single- and 4-Channel, 9 μ
s, 10-Bit ADCs with On-Chip Temperature Sensor

Analog Devices 

AD7816/AD7817/AD7818

ABSOLUTE MAXIMUM RATINGS1

(TA = 25°C unless otherwise noted)

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

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

Analog Input Voltage to AGND

VIN1 to VIN4 . . . . . . . . . . . . . . . . . . . –0.3 V to VDD + 0.3 V

Reference Input Voltage to AGND2 . . . –0.3 V to VDD + 0.3 V

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

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

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

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

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

θJA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . 120°C/W

Lead Temperature, Soldering . . . . . . . . . . . . . . . . . . 260°C

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

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

16-Lead SOIC Package, Power Dissipation . . . . . . . . 450 mW

θJA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . 100°C/W

Lead Temperature, Soldering

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

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

8-Lead SOIC Package, Power Dissipation . . . . . . . . . . 450 mW

θJA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . 157°C/W

Lead Temperature, Soldering

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

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

µSOIC Package, Power Dissipation . . . . . . . . . . . . . . 450 mW

θJA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . 206°C/W

Lead Temperature, Soldering

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

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

NOTES

1Stresses 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 condi-

tions for extended periods may affect device reliability.

2If the Reference Input Voltage is likely to exceed VDD by more than 0.3 V (e.g.,

during power-up) and the reference is capable of supplying 30 mA or more, it is

recommended to use a clamping diode between the REFIN pin and VDD pin. The

diagram below shows how the diode should be connected.

REFIN

VDD

BAT81

AD7816/AD7817

–6–

REV. C

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