AD6644

–5–

REV. 0

ABSOLUTE MAXIMUM RATINGS

1

Parameter

Min

Max

Unit

ELECTRICAL

0

7

V

0

7

V

Analog Input Voltage

0

Analog Input Current

25

mA

Digital Input Voltage

0

Digital Output Current

4

mA

ENVIRONMENTAL

2

Operating Temperature Range

(Ambient)

–25

+85

°C

Maximum Junction Temperature

150

°C

Lead Temperature (Soldering, 10 sec)

300

°C

Storage Temperature Range (Ambient)

–65

+150

°C

NOTES

beyond which the serviceability of the circuit may be impaired. Functional

operability is not necessarily implied. Exposure to absolute maximum rating

conditions for an extended period of time may affect device reliability.

θ

°C/W; θ

°C/W.

These measurements were taken on a 6 layer board in still air with a solid ground

plane.

EXPLANATION OF TEST LEVELS

Test Level

I

100% production tested.

II

100% production tested at 25

°C, and guaranteed by

design and characterization at temperature extremes.

III Sample tested only.

IV Parameter is guaranteed by design and characterization

testing.

V

Parameter is a typical value only.

ORDERING GUIDE

Model

Temperature Range

Package Description

Package Option

AD6644AST-40

–25

°C to +85°C (Ambient)

52-Terminal LQFP (Low-Profile Quad Plastic Flatpack)

ST-52

AD6644AST-65

–25

°C to +85°C (Ambient)

52-Terminal LQFP (Low-Profile Quad Plastic Flatpack)

ST-52

AD6644ST/PCB

Evaluation Board with AD6644AST–65

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 AD6644 features proprietary ESD protection circuitry, permanent damage may occur on devices

subjected to high-energy electrostatic discharges. Therefore, proper ESD precautions are recom-

mended to avoid performance degradation or loss of functionality.

WARNING!

ESD SENSITIVE DEVICE