HK 990 (serv.man2) - Harman Kardon Audio Service Manual (repair manual). Page 10

REV. 0

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
AD1955 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.

DV

DD

to DGND

–0.3

6

V

AV

DD

to AGND

–0.3

6

V

Digital Inputs

DGND – 0.3

DV

DD

+ 0.3

V

Analog Outputs

AGND – 0.3

AV

DD

+ 0.3

V

AGND to DGND

–0.3

+0.3

V

Reference Voltage

(AV

DD

+ 0.3)/2

Soldering

300

°C

10

sec

*Stresses greater than 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.

␪

JA

(Thermal Resistance

109.0

°C/W

[Junction-to-Ambient])

␪

JC

(Thermal Resistance

39.0

°C/W

[Junction-to-Case])

AD1955ARS

–40

°C to +85°C

28-Lead SSOP

RS-28

AD1955ARSRL

–40

°C to +85°C

28-Lead SSOP

RS-28 on 13" Reels

EVAL-AD1955EB

Evaluation Board

*RS = Shrink Small Outline Package

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