ad1988a Analog Devices, Inc., ad1988a Datasheet - Page 7

• Manufacturer Part Number: ad1988a
• Description: High Definition Audio Soundmax Codec
• Manufacturer: Analog Devices, Inc.

ABSOLUTE MAXIMUM RATINGS
Table 3.
Parameter
Digital (DV
Digital I/O (DV
Analog (AV
Input Current (Except Supply Pins)
Analog Input Voltage (Signal Pins)
Digital Input Voltage (Signal Pins)
Ambient Temperature (Operating)
Storage Temperature Range
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.
DD
DD
)
)
IO
)
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 AV
−0.30 V to DV
0°C to +70°C
−65°C to +150°C
DD
IO
+ 0.3 V
+ 0.3 V
Rev. 0 | Page 7 of 20
THERMAL RESISTANCE
Ambient temperature ratings are as follows:
where:
T
P
θ
Table 4. Thermal Resistance
Package Type
LQFP
LFCSP_VQ
1
2
3
4
ESD CAUTION
θ
θ
θ
VQ = very thin quad.
CA
D
CASE
JA
JC
CA
= power dissipation in W.
= thermal resistance (case-to-ambient).
= thermal resistance: junction-to-case.
= thermal resistance: junction-to-ambient.
= thermal resistance: case-to-ambient.
T
= case temperature in °C.
AMB
= T
4
CASE
− (P
D
× θ
CA
θ
48
47
)
JA
1
AD1988A/AD1988B
θ
17
15
JC
2
θ
31
32
CA
3
Unit
ºC/W
ºC/W