AD1885
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
Min
0
0.4
×
F
S
0.6
×
F
S
–74
Typ
Max
0.4
×
F
S
±
0.09
0.6
×
F
S
∞
12/F
S
0.0
Unit
Hz
dB
Hz
Hz
dB
sec
µs
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
Min
Typ
16
–84
87
85
–100
–90
Max
Unit
Bits
dB
dB
dB
84
–90
–85
±
10
±
0.5
±
5
dB
dB
%
dB
mV
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
Min
Typ
16
–85
–75
Max
Unit
Bits
dB
dB
dB
dB
%
dB
dB
dB
85
90
–100
±
10
±
0.7
–80
–40
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.
Min
Typ
1
2.83
Max
Unit
V rms
V p-p
Ω
kΩ
pF
pF
V rms
pF
Ω
V
V
mA
mV
800
10
15
100
1
100
32
2.45
5
±
5
2.05
2.25
2.25
REV. 0
–3–
AD [ ANALOG DEVICES ]
