AD1988B 데이터 시트보기 (PDF) - Analog Devices

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AD1988B

High Definition Audio SoundMAX® Codec

Analog Devices 

ABSOLUTE MAXIMUM RATINGS

Table 3.

Parameter

Digital (DVDD)

Digital I/O (DVIO)

Analog (AVDD)

Input Current (Except Supply Pins)

Analog Input Voltage (Signal Pins)

Digital Input Voltage (Signal Pins)

Ambient Temperature (Operating)

Storage Temperature Range

Rating

−0.30 V to +3.65 V

−0.30 V to +3.65 V

−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

Stresses above 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.

AD1988A/AD1988B

THERMAL RESISTANCE

Ambient temperature ratings are as follows:

TAMB = TCASE − (PD × θCA)

where:

TCASE = case temperature in °C.

PD = power dissipation in W.

θCA = thermal resistance (case-to-ambient).

Table 4. Thermal Resistance

Package Type

θJA1

θJC2

θCA3

LQFP

48

17

31

LFCSP_VQ4

47

15

32

1 θJA = thermal resistance: junction-to-ambient.

2 θJC = thermal resistance: junction-to-case.

3 θCA = thermal resistance: case-to-ambient.

4 VQ = very thin quad.

Unit

ºC/W

ºC/W

ESD CAUTION

Rev. 0 | Page 7 of 20

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