AD1821 Analog Devices, AD1821 Datasheet - Page 4

• Manufacturer Part Number: AD1821
• Manufacturer: Analog Devices

AD1821
DIGITAL DECIMATION AND INTERPOLATION FILTERS*
Parameter
Audio Passband
Audio Passband Ripple
Audio Transition Band
Audio Stopband
Audio Stopband Rejection
Audio Group Delay
Group Delay Variation Over Passband
ANALOG-TO-DIGITAL CONVERTERS
Parameter
Resolution
Signal-to-Noise Ratio (SNR) (A-Weighted, Referenced to Full Scale)
Total Harmonic Distortion (THD) (Referenced to Full Scale)
Audio Dynamic Range (–60 dB Input THD+N Referenced to
Audio THD+N (Referenced to Full-Scale)
Signal-to-Intermodulation Distortion* (CCIF Method)
ADC Crosstalk*
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
Signal-to-Noise Ratio (SNR) (A-Weighted)
Total Harmonic Distortion (THD)
Audio Dynamic Range (–60 dB Input THD+N Referenced to
Audio THD+N (Referenced to Full Scale)
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;
Total Out-of-Band Energy (Measured from 0.6 F
Audible Out-of-Band Energy (Measured from 0.6 F
MASTER VOLUME ATTENUATORS (L_OUT AND R_OUT, PHONE_OUT)
Parameter
Master Volume Step Size (0 dB to –43.5 dB)
Master Volume Step Size (–43.5 dB to –46.5 dB)
Master Volume Output Attenuation Range Span
Mute Attenuation of 0 dB Fundamental*
Full-Scale, A-Weighted)
Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L)
Line to MIC (Input LINE, Ground and Select MIC, Read ADC)
Line to SYNTH
Line to CD
Line to VID
Full Scale, A-Weighted)
Input R, Zero L, Measure L_OUT)
at L_OUT and R_OUT)*
at L_OUT and R_OUT)*
S
to 100 kHz
S
to 20 kHz
–4–
Min
0
0.4
0.6
82
79
–22
Min
79
Min
80
Min
F
F
S
S
Typ
Typ
16
–82
0.011
–79
82
–76
82
–95
–95
–95
–95
–95
Typ
16
–83
0.006
–85
82
0.013
–78
95
Typ
1.5
1.5
46.5
Max
0.4
0.6
12/F
0.0
Max
–80
0.015
–76.5
0.019
–74.5
–80
–80
–80
–80
–80
+15
Max
–79
0.009
–80.5
0.017
–80
–45
–75
Max
–75.5
0.09
10
1
10
0.5
S
F
F
S
S
Units
Hz
dB
Hz
Hz
dB
sec
Units
Bits
dB
%
dB
dB
%
dB
dB
dB
dB
dB
dB
dB
%
dB
mV
Units
Bits
dB
%
dB
dB
%
dB
dB
%
dB
dB
dB
dB
Units
dB
dB
dB
dB
s
REV. 0