AD7450ARZ 데이터 시트보기 (PDF) - Analog Devices

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AD7450ARZ

Differential Input, 1 MSPS 12-Bit ADC in μSOIC-8 and SO-8

Analog Devices 

AD7450

ABSOLUTE MAXIMUM RATINGS1

(TA = 25°C, unless otherwise noted.)

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

VIN+ to GND . . . . . . . . . . . . . . . . . . . . –0.3 V to VDD + 0.3 V

VIN– to GND . . . . . . . . . . . . . . . . . . . . –0.3 V to VDD + 0.3 V

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

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

VREF to GND . . . . . . . . . . . . . . . . . . . . –0.3 V to VDD + 0.3 V

Input Current to Any Pin Except Supplies2 . . . . . . . ± 10 mA

Operating Temperature Range

Commercial (A and B Version) . . . . . . . . . –40oC to +85oC

Storage Temperature Range . . . . . . . . . . . . –65oC to +150oC

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

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

␪JA Thermal Impedance . . . . . . . . . . . . . . . . 157°C/W (SOIC)

. . . . . . . . . . . . . . . . . . . . . . . . . . . 205.9°C/W (µSOIC)

␪JC Thermal Impedance . . . . . . . . . . . . . . . . . 56°C/W (SOIC)

. . . . . . . . . . . . . . . . . . . . . . . . . . . 43.74°C/W (µSOIC)

Lead Temperature, Soldering

Vapor Phase (60 secs) . . . . . . . . . . . . . . . . . . . . . . . . 215oC

Infrared (15 secs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220oC

ESD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5 kV

NOTES

1Stresses above those listed under the 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 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.

2Transient currents of up to 100 mA will not cause SCR latch up.

200␮A

IOL

TO

OUTPUT

PIN

CL

50pF

200␮A

IOH

1.6V

Figure 2. Load Circuit for Digital Output Timing

Specifications

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

AD7450 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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