AD1885 Datasheet, PDF (3/27 Pages) Analog Devices – AC’97 SoundMAX Codec

DIGITAL DECIMATION AND INTERPOLATION FILTERS*
Parameter
Passband
Passband Ripple
Transition Band
Stopband
Stopband Rejection
Group Delay
Group Delay Variation Over Passband
ANALOG-TO-DIGITAL CONVERTERS
Parameter
Resolution
Total Harmonic Distortion (THD
Dynamic Range (–60 dB Input THD+N Referenced to Full Scale, A-Weighted)
Signal-to-Intermodulation Distortion* (CCIF Method)
ADC Crosstalk*
Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L)
LINE_IN to Other
Gain Error (Full-Scale Span Relative to Nominal Input Voltage)
Interchannel Gain Mismatch (Difference of Gain Errors)
ADC Offset Error
DIGITAL-TO-ANALOG CONVERTERS
Parameter
Resolution
Total Harmonic Distortion (THD) LINE_OUT
Total Harmonic Distortion (THD) HP_OUT (With 10 kΩ Load)
Dynamic Range LINE_OUT (–60 dB Input THD+N Referenced to Full Scale,
A-Weighted)
Signal-to-Intermodulation Distortion* (CCIF Method)
Gain Error (Full-Scale Span Relative to Nominal Input Voltage)
Interchannel Gain Mismatch (Difference of Gain Errors)
DAC Crosstalk* (Input L, Zero R, Measure R_OUT; Input R, Zero L,
Measure L_OUT)
Total Audible Out-of-Band Energy (Measured from 0.6 × F_S to 20 kHz)*
ANALOG OUTPUT
Parameter
Full-Scale Output Voltage; LINE_OUT
Output Impedance*
External Load Impedance*
Output Capacitance*
External Load Capacitance
Full-Scale Output Voltage; HP_OUT (0 dB Gain)
Output Capacitance*
External Load Capacitance
V_REF
V_REFOUT
V_REFOUT Current Drive
Mute Click (Muted Output Minus Unmuted Midscale DAC Output)
*Guaranteed, not tested.
AD1885
Min
Typ
0
0.4 × F_S
0.6 × F_S
–74
Max
0.4 × F_S
± 0.09
0.6 × F_S
∞
12/F_S
0.0
Unit
Hz
dB
Hz
Hz
dB
sec
µs
Min
Typ
Max
Unit
16
Bits
–84
dB
84
87
dB
85
dB
–100
–90
dB
–90
–85
dB
± 10
%
± 0.5
dB
±5
mV
Min
Typ
Max
Unit
16
Bits
–85
dB
–75
dB
85
90
dB
–100
dB
± 10
%
± 0.7
dB
–80
dB
–40
dB
Min
Typ
Max
Unit
1
V rms
2.83
V p-p
800
Ω
10
kΩ
15
pF
100
pF
1
V rms
100
pF
32
Ω
2.05
2.25
2.45
V
2.25
V
5
mA
±5
mV
REV. 0
–3–