AD1981B Analog Devices, AD1981B Datasheet - Page 3

• Manufacturer Part Number: AD1981B
• Description: AD1981B AC'97 SoundMAX® Codec
• Manufacturer: Analog Devices

Parameter
ANALOG-TO-DIGITAL CONVERTERS
DIGITAL-TO-ANALOG CONVERTERS
ANALOG OUTPUT
STATIC DIGITAL SPECIFICATIONS
POWER SUPPLY
REV. A
Resolution
Total Harmonic Distortion (THD)
Dynamic Range (–60 dB Input THD+N Referenced to Full Scale,
Signal-to-Intermodulation Distortion
ADC Crosstalk
Gain Error
Interchannel Gain Mismatch (Difference of Gain Errors)
ADC Offset Error
Resolution
Total Harmonic Distortion (THD) LINE_OUT
Total Harmonic Distortion (THD) HP_OUT
Dynamic Range (–60 dB Input THD+N Referenced to Full Scale,
Signal-to-Intermodulation Distortion
Gain Error
Interchannel Gain Mismatch (Difference of Gain Errors)
DAC Crosstalk
Total Audible Out-of-Band Energy
Full-Scale Output Voltage; LINE_OUT and MONO_OUT
Output Impedance
External Load Impedance
Output Capacitance
External Load Capacitance
Full-Scale Output Voltage; HP_OUT (0 dB Gain)
External Load Impedance
V
V
V
Mute Click (Muted Output Minus Unmuted Midscale DAC Output)
High Level Input Voltage (V
Low Level Input Voltage (V
High Level Output Voltage (V
Low Level Output Voltage (V
Input Leakage Current
Output Leakage Current
Power Supply Range—Analog (AV
Power Supply Range—Digital (DV
Power Dissipation—5 V/3.3 V
Analog Supply Current—5 V (AV
Digital Supply Current—3.3 V (DV
Power Supply Rejection (100 mV p-p Signal @ 1 kHz)
REF
REF_OUT
REF_OUT
A-Weighted)
Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L)
Line_In to Other
A-Weighted)
Zero L, Measure L_OUT)
(At Both Analog and Digital Supply Pins, Both ADCs and DACs)
(Programmable to 3.70 V Nominal)
Current Drive
2
2
(Full-Scale Span Relative to Nominal Input Voltage)
(Output FS Voltage Relative to Nominal Output FS Voltage)
1
1
(Input L, Zero R, Measure R_OUT; Input R,
1
1
1
1
1
1
IL
IH
)
OL
OH
): Digital Inputs
), I
), I
DD
DD
DD
1
OL
DD
OH
)
(Measured from 0.6
1
1
)
)
= 2 mA
)
(CCIF Method)
(CCIF Method)
= 2 mA
1
f
S
to 20 kHz)
–3–
Min
80
85
10
32
2.05
0.65
0.9
–10
–10
4.5
3.0
DVDD
DVDD
Typ
16
–84
85
85
–80
–100
20
–85
–75
90
–100
± 10
–40
1
2.83
15
1
2.25
2.25
± 5
400
50
46
40
Max
–80
± 10
± 0.5
± 5
± 0.7
–80
800
100
2.45
5
0.35
0.1
+10
+10
5.5
3.47
DVDD
DVDD
AD1981B
Unit
Bits
dB
dB
dB
dB
dB
%
dB
mV
Bits
dB
dB
dB
dB
%
dB
dB
dB
V rms
V p-p
Ω
kΩ
pF
pF
V rms
Ω
V
V
mA
mV
V
V
V
V
µA
µA
V
V
mW
mA
mA
dB