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AD1843JS Datasheet(PDF) 3 Page - Analog Devices

Part # AD1843JS
Description  Serial-Port 16-Bit SoundComm Codec
PDF  64 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD1843JS Datasheet(HTML) 3 Page - Analog Devices

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AD1843
REV. 0
–3–
DIGITAL DECIMATION AND INTERPOLATION FILTERS–AUDIO MODE*
Min
Max
Units
Passband
0
0.40
× F
S
Hz
Passband Ripple
0
–0.016
dB
Transition Band
0.4
× F
S
0.6
× F
S
Hz
Stopband1
0.6
× F
S
Hz
Stopband Rejection
91.8
dB
Group Delay
15/FS
s
Group Delay Variation Over Passband
0.0
µs
DIGITAL DECIMATION AND INTERPOLATION FILTERS–MODEM MODE*
Min
Max
Units
Passband
0
0.442
× F
S
Hz
Passband Ripple
0
–0.220
dB
Transition Band
0.442
× F
S
0.542
× F
S
Hz
Stopband2
0.542
× F
S
Hz
Stopband Rejection
75.7
dB
Group Delay
19/FS
s
Group Delay Variation Over Passband
0.0
µs
Sample Rate
24
kHz
DIGITAL DECIMATION AND INTERPOLATION FILTERS–RESAMPLER MODE*
Min
Max
Units
Passband
0
0.4
× F
S
Hz
Passband Ripple
0
–0.035
dB
Transition Band
0.4
× F
S
0.5
× F
S
Hz
Stopband3
0.5
× F
S
Hz
Stopband Rejection
92.2
dB
Group Delay
25/FS
s
Group Delay Variation Over Passband
0.0
µs
ANALOG-TO-DIGITAL CONVERTERS
Min
Typ
Max
Units
Audio Dynamic Range (–60 dB Input, THD+N Referenced to Full Scale,
A-Weighted, ADRFLT & ADLFLT = 0)
80
85
dB
Modem Dynamic Range (–60 dB Input, THD+N Referenced to Full Scale,
300 Hz to 4 kHz Analog Output Passband, LINRSD & LINLSD = 1,
ADRFLT & ADLFLT = 1, FS = 12.8 kHz)
87
90
dB
Audio THD+N (Referenced to Full Scale)
0.03
%
–74
–70
dB
Modem THD+N (–3.0 dB Referenced to Full Scale,
300 Hz to 4 kHz Analog Output Passband, LINRSD & LINLSD = 1,
ADRFLT & ADLFLT = 1, FS = 12.8 kHz)
0.02
%
–78.5
–74
dB
Audio Signal-to-Intermodulation Distortion* (CCIF Method)
–94
–80
dB
ADC Crosstalk*
LIN Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L)
–80
dB
Line to MIC (Input LIN, Ground and Select MIC, Read Both Channels)
–80
dB
Line to AUX1, AUX2, AUX3, MIN
–80
dB
Interchannel Gain Mismatch (Difference of Gain Errors)
±0.5
dB
ADC Offset Error
10
50
mV



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