AD7938/AD7939

Preliminary Technical Data

ABSOLUTE MAXIMUM RATINGS

Table 4.

Parameter

Rating

−0.3 V to +7 V

Analog Input Voltage to AGND

Digital Input Voltage to DGND

−0.3 V to 7 V

Digital Output Voltage to DGND

AGND to DGND

−0.3 V to + 0.3 V

Input Current to Any Pin Except

Supplies1

±10 mA

Operating Temperature Range

Commercial (B Version)

−40°C to +85°C

Storage Temperature Range

−65°C to +150°C

Junction Temperature

150°C

108.2°C/W (LFCSP)

121°C/W (TQFP)

32.71°C/W (LFCSP)

45°C/W (TQFP)

Lead Temperature, Soldering

Reflow Temperature (10 sec to 30 sec)

255°C

ESD

2 kV

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.

ESD 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 this product 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.

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