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AD1987

High Definition Audio SoundMAX Codec

Analog Devices 

AD1987

ABSOLUTE MAXIMUM RATINGS

ENVIRONMENTAL CONDITIONS

Stresses greater than those listed below may cause permanent

Ambient Temperature Rating

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.

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)

Power Supplies

Rating

All measurements per EIA-JESD51 with 2S2P test board per

Digital (DVDD)

–0.30 V to +3.65 V

EIA-JESD51-7.

Digital I/O (DVIO)

–0.30 V to +3.65 V

Analog (AVDD)

Input Current (except supply pins)

Analog Input Voltage (Signal Pins)

Digital Input Voltage (Signal Pins)

Ambient Temperature (Operating)

Storage Temperature

–0.30 V to +3.65 V

±10.0 mA

–0.30 V to AVDD +0.3 V

–0.30 V to DVIO +0.3 V

0°C to +70°C

–65°C to +150°C

E ESD SENSITIVITY

Table 4. Thermal Resistance

Package

LFCSP_VQ

θJA

θJC

θCA

97

15

32

T ESD (electrostatic discharge) sensitive device.

Charged devices and circuit boards can discharge

without detection. Although this product features

E patented or proprietary protection circuitry, damage

may occur on devices subjected to high energy ESD.

Therefore, proper ESD precautions should be taken to

OBSOL avoid performance degradation or loss of functionality.

Unit

°C/W

Rev. A | Page 8 of 20 | March 2008

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