ADSP1802 datasheet(20/34 Pages) AD

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Data Sheet

ADSP1802

ABSOLUTE MAXIMUM RATINGS

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Table 34. Absolute Maximum Ratings

Parameter

Rating

Internal (Core) Supply Voltage (VDD_INT)

−0.3 V to +1.21 V

External (I/O) Supply Voltage (VDD_EXT)

−0.5 V to +3.6 V

Thermal Diode Supply Voltage (VDD_THD)

−0.5 V to +3.6 V

Input Voltage

−0.5 V to +3.6 V

Output Voltage Swing

−0.5 V to VDD_EXT + 0.5 V

Storage Temperature Range

–65°C to +150°C

Junction Temperature While Biased

125°C

Stresses at or above those listed under Absolute Maximum Ratings

may cause permanent damage to the product. This is a stress

rating only; functional operation of the product at these or any other

conditions above those indicated in the operational section of this

specification is not implied. Operation beyond the maximum operat-

ing conditions for extended periods may affect product reliability.

THERMAL CHARACTERISTICS

The ADSP1802 processor is rated for performance over the tem-

perature range specified in the Operating Conditions section.

The JESD51 package thermal characteristics in this section are

provided for package comparison and estimation purposes only.

They are not intended for accurate system temperature calculation.

System thermal simulation is required for accurate temperature

analysis that accounts for all specific 3D system design features,

including, but not limited to other heat sources, use of heatsinks,

and the system enclosure. Contact Analog Devices for package

thermal models that are intended for use with thermal simulation

tools.

Table 35 shows the thermal characteristics values.

Table 35. Thermal Characteristics for 88-Lead LFCSP

Parameter

Typical

Unit

θJA

°C/W

θJC

8.4

°C/W

ESD CAUTION

ESD (electrostatic discharge) sensitive device. Charged devi-

ces and circuit boards can discharge without detection. Although

this product features patented or proprietary protection circuitry,

damage may occur on devices subjected to high energy ESD.

Therefore, proper ESD precautions should be taken to avoid

performance degradation or loss of functionality.

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