ad1984a Analog Devices, Inc., ad1984a Datasheet - Page 6

• Manufacturer Part Number: ad1984a
• Description: High Definition Audio Soundmax Codec
• Manufacturer: Analog Devices, Inc.

AD1984A
Parameter
MICROPHONE BIAS
GPIO 0
GPIO 1 and GPIO 2
DM Clock
DM_1/2 and DM_2
S/PDIF
MIC_BIAS-B, MIC_BIAS-C
MIC_BIAS_IN (Pin 33) = 5 V or 3.3 V
MIC_BIAS_IN (Pin 33) = 5 V
MIC_BIAS_IN (Pin 33) = 3.3 V
MIC_BIAS-E (When Enabled as BIAS)
Output Drive Current
Input Signal High (V
Input Signal Low (V
Output Signal High (V
Output Signal Low (V
Input Leakage Current (Signal High) (I
Input Leakage Current (Signal Low) (I
Input Signal High (V
Input Signal Low (V
Output Signal High (V
Output Signal Low (V
Input Leakage Current (Signal High) (I
Input Leakage Current (Signal Low) (I
Output Signal High (V
Output Signal Low (V
Input Signal High (V
Input Signal Low (V
Input Leakage Current (Signal High) (I
Input Leakage Current (Signal Low) (I
Input Signal High (V
Input Signal Low (V
Output Signal High (V
Output Signal Low (V
Input Leakage Current (Signal High) (I
Input Leakage Current (Signal Low) (I
IL
IL
IL
IL
IH
IH
IH
IH
)
)
)
)
OL
OL
OL
OL
)
)
)
)
OH
OH
OH
OH
)
)
)
)
)
)
)
)
IL
IL
IL
IL
IH
IH
IH
IH
)
)
)
)
)
)
)
)
V
V
V
V
V
V
V
V
V
V
V
V
V
I
I
I
I
I
I
I
I
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
= –500 μA
= +1500 μA
= –500 μA
= +1500 μA
= –500 μA
= +1500 μA
= –500 μA
= +1500 μA
Setting = High-Z
Setting = 0 V
Setting = 50%
Setting = 80%
Setting = 100%
Setting = 80%
Setting = 100%
Setting = High-Z
Setting = 0 V
Setting = 50%
Setting = 80%
Setting = 100%
Setting = 50%, 80%, or 100%
Rev. 0 | Page 6 of 20 | April 2008
Min
DV
0
DV
0
AV
0
AV
0
AV
0
AV
0
DV
0
DV
0
DD
DD
DD
DD
IO
IO
IO
IO
× 0.60
× 0.72
× 0.60
× 0.72
× 0.60
× 0.72
× 0.72
× 0.60
Typ
High-Z
0
1.65
3.7
3.9
2.86
3.0
High-Z
0
1.65
2.86
3.0
1.6
150
–50
150
–50
–150
–50
150
–50
Max
DV
DV
DV
DV
AV
AV
AV
AV
AV
AV
AV
AV
DV
DV
DV
DV
DD
DD
DD
DD
DD
DD
DD
DD
IO
IO
IO
IO
IO
IO
IO
IO
× 0.24
× 0.10
× 0.24
× 0.10
× 0.24 V
× 0.10 V
× 0.10 V
× 0.24 V
Unit
V dc
V dc
V dc
V dc
V dc
V dc
V dc
V dc
V dc
V dc
mA
V
V
V
V
nA
μA
V
V
nA
μA
V
V
nA
nA
V
V
V
V
nA
μA