AD9248 datasheet(9/49 Pages) AD

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AD9248

Rev. B | Page 8 of 48

ABSOLUTE MAXIMUM RATINGS

Absolute maximum ratings are limiting values to be applied

individually, and 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 may affect device reliability.

Table 5.

Parameter

Rating

ELECTRICAL

AVDD to AGND

−0.3 V to +3.9 V

DRVDD to DRGND

−0.3 V to +3.9 V

AGND to DRGND

−0.3 V to +0.3 V

AVDD to DRVDD

−3.9 V to +3.9 V

Digital Outputs to DRGND

−0.3 V to DRVDD + 0.3 V

OEB, DFS, CLK, DCS, MUX_SELECT,

SHARED_REF to AGND

−0.3 V to AVDD + 0.3 V

VINA, VINB to AGND

−0.3 V to AVDD + 0.3 V

VREF to AGND

−0.3 V to AVDD + 0.3 V

SENSE to AGND

−0.3 V to AVDD + 0.3 V

REFB, REFT to AGND

−0.3 V to AVDD + 0.3 V

PDWN to AGND

−0.3 V to AVDD + 0.3 V

ENVIRONMENTAL1

Operating Temperature

−40°C to +85°C

Junction Temperature

150°C

Lead Temperature (10 sec)

300°C

Storage Temperature

−65°C to +150°C

1 Typical thermal impedances: 64-lead LQFP, θJA = 54°C/W; 64-lead LFCSP, θJA

= 26.4°C/W with heat slug soldered to ground plane. These measurements

were taken on a 4-layer board in still air, in accordance with EIA/JESD51-7.

EXPLANATION OF TEST LEVELS

100% production tested.

100% production tested at 25°C and sample tested at

specified temperatures.

III

Sample tested only.

Parameter is guaranteed by design and characterization

testing.

Parameter is a typical value only.

100% production tested at 25°C; guaranteed by design and

characterization testing for industrial temperature range;

100% production tested at temperature extremes for

military devices.

ESD CAUTION

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