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AD1986A

AC ’97 and HD Audio SoundMAX Codec

Analog Devices 

ABSOLUTE MAXIMUM RATINGS

Table 14.

Power Supply

Min

Digital (DVDD)

−0.3

Analog (AVDD)

−0.3

Input Current (Except Supply Pins)

Analog Input Voltage (Signal Pins) −0.3

Digital Input Voltage (Signal Pins) −0.3

Ambient Temperature (Operating)

Commercial

0

Industrial

–40

Storage Temperature

−65

Max

Unit

+3.6

V

+6.0

V

±10.0

mA

AVDD + 0.3 V

DVDD + 0.3 V

°C

+70

+85

+150

°C

Stresses greater than those listed under Absolute Maximum

Ratings can 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 can affect

device reliability.

AD1986A

ENVIRONMENTAL CONDITIONS

Ambient Temperature Rating

TAMB = TCASE − (PD × θCA)

TCASE = case temperature in °C

PD = power dissipation in W

θCA = thermal resistance (case-to-ambient)

θJA = thermal resistance (junction-to-ambient)

θJC = thermal resistance (junction-to-case)

Table 15. Thermal Resistance

Package

θJA

LQFP

48°C/W

LFCSP

47°C/W

θJC

17°C/W

15°C/W

θCA

31°C/W

32°C/W

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.

Rev. 0 | Page 9 of 56

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