ad1843jst Analog Devices, Inc., ad1843jst Datasheet - Page 3

• Manufacturer Part Number: ad1843jst
• Description: Serial-port 16-bit Soundcomm Codec
• Manufacturer: Analog Devices, Inc.

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DIGITAL DECIMATION AND INTERPOLATION FILTERS–AUDIO MODE*
Passband
Passband Ripple
Transition Band
Stopband
Stopband Rejection
Group Delay
Group Delay Variation Over Passband
DIGITAL DECIMATION AND INTERPOLATION FILTERS–MODEM MODE*
Passband
Passband Ripple
Transition Band
Stopband
Stopband Rejection
Group Delay
Group Delay Variation Over Passband
Sample Rate
DIGITAL DECIMATION AND INTERPOLATION FILTERS–RESAMPLER MODE*
Passband
Passband Ripple
Transition Band
Stopband
Stopband Rejection
Group Delay
Group Delay Variation Over Passband
ANALOG-TO-DIGITAL CONVERTERS
Audio Dynamic Range (–60 dB Input, THD+N Referenced to Full Scale,
Modem Dynamic Range (–60 dB Input, THD+N Referenced to Full Scale,
Audio THD+N (Referenced to Full Scale)
Modem THD+N (–3.0 dB Referenced to Full Scale,
Audio Signal-to-Intermodulation Distortion* (CCIF Method)
ADC Crosstalk*
Interchannel Gain Mismatch (Difference of Gain Errors)
ADC Offset Error
A-Weighted, ADRFLT & ADLFLT = 0)
300 Hz to 4 kHz Analog Output Passband, LINRSD & LINLSD = 1,
ADRFLT & ADLFLT = 1, F
300 Hz to 4 kHz Analog Output Passband, LINRSD & LINLSD = 1,
ADRFLT & ADLFLT = 1, F
LIN Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L)
Line to MIC (Input LIN, Ground and Select MIC, Read Both Channels)
Line to AUX1, AUX2, AUX3, MIN
1
2
3
S
S
= 12.8 kHz)
= 12.8 kHz)
–3–
Min
80
87
Min
0
0
0.4
0.6
91.8
Min
0
0
0.442
0.542
75.7
Min
0
0
0.4
0.5
92.2
Typ
85
90
–74
–78.5
–94
10
F
F
F
F
S
S
S
S
F
F
S
S
Max
0.40
–0.016
0.6
15/F
0.0
Max
0.442
–0.220
0.542
19/F
0.0
24
Max
0.4
–0.035
0.5
25/F
0.0
Max
0.03
–70
0.02
–74
–80
–80
–80
–80
50
0.5
S
S
S
F
F
F
AD1843
F
S
S
S
F
F
S
S
S
Units
Hz
dB
Hz
Hz
dB
s
Units
Hz
dB
Hz
Hz
dB
s
kHz
Units
Hz
dB
Hz
Hz
dB
s
Units
dB
dB
%
dB
%
dB
dB
dB
dB
dB
dB
mV
s
s
s