AD7818ARZ-REEL7 查看數據表（PDF） - Analog Devices

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AD7818ARZ-REEL7

Dual, Low Power CMOS, Analog Front End with DSP Microcomputer

Analog Devices 

Data Sheet

ABSOLUTE MAXIMUM RATINGS

TA = 25°C unless otherwise noted.

Table 3.

Parameter

VDD to AGND

VDD to DGND

Analog Input Voltage to AGND

VIN1 to VIN4

Reference Input Voltage to AGND1

Digital Input Voltage to DGND

Digital Output Voltage to DGND

Storage Temperature Range

Junction Temperature

16-Lead TSSOP, Power Dissipation

θJA Thermal Impedance

Lead Temperature, Soldering

Vapor Phase (60 sec)

Infrared (15 sec)

16-Lead SOIC Package, Power Dissipation

θJA Thermal Impedance

Lead Temperature, Soldering

Vapor Phase (60 sec)

Infrared (15 sec)

8-Lead SOIC Package, Power Dissipation

θJA Thermal Impedance

Lead Temperature, Soldering

Vapor Phase (60 sec)

Infrared (15 sec)

8-Lead MSOP Package, Power Dissipation

θJA Thermal Impedance

Lead Temperature, Soldering

Vapor Phase (60 sec)

Infrared (15 sec)

Rating

−0.3 V to +7 V

−0.3 V to +7 V

−0.3 V to VDD + 0.3 V

−0.3 V to VDD + 0.3V

–0.3 V to VDD + 0.3 V

–0.3 V to VDD + 0.3 V

−65°C to +150°C

150°C

450 mW

120°C/W

260°C

215°C

220°C

450 mW

100°C/W

215°C

220°C

450 mW

157°C/W

215°C

220°C

450 mW

206°C/W

215°C

220°C

1 If the reference input voltage is likely to exceed VDD by more than 0.3 V (that

is, 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.

Connect the diode as shown in this figure.

AD7817/AD7818

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 indicated in the operational

section of this specification is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect

device reliability.

ESD CAUTION

Rev. D | Page 7 of 20

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