AD1848 Просмотр технического описания (PDF) - Analog Devices
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AD1848 Datasheet PDF : 28 Pages
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DIGITAL DECIMATION AND INTERPOLATION FILTERS*
Min
Passband
Passband Ripple
Transition Band
Stopband
Stopband Rejection
Group Delay
Group Delay Variation Over Passband
0
0.45 ؋ FS
0.55 ؋ FS
74
Max
0.45 ؋ FS
± 0.1
0.55 ؋ FS
∞
30/FS
0.0
ANALOG-TO-DIGITAL CONVERTERS
Min
Typ
Resolution (No Missing Codes from
16
± 10 LSB Ramp Around Midscale)*
Dynamic Range (–60 dB Input,
80
86
THD+N Referenced to Full Scale)
THD+N (Referenced to Full Scale)
–77
Signal-to-Intermodulation Distortion*
ADC Crosstalk*
Line Inputs (Input L, Ground R, Read R;
Input R, Ground L, Read L)
Line to MIC (Input LINE, Ground and
Select MIC, Read Both Channels)
Line to AUX1
Line to AUX2
Gain Error (Full-Scale Span Relative to Nominal)
Interchannel Gain Mismatch
(Difference of Gain Errors)
ADC Offset Error
DIGITAL-TO-ANALOG CONVERTERS
Min
Typ
Resolution*
16
Dynamic Range (–60 dB Input,
80
87
THD+N Referenced to Full Scale)
THD+N (Referenced to Full Scale)
–76
Signal-to-Intermodulation Distortion*
Gain Error (Full-Scale Span Relative to Nominal)
Interchannel Gain Mismatch
(Difference of Gain Errors)
DAC Crosstalk* (Input L, Zero R, Measure
R_OUT; Input R, Zero L, Measure L_OUT)
Total Out-of-Band Energy*
(Measured from 0.55 × FS to 100 kHz)
Audible Out-of-Band Energy*
(Measured from 0.55 × FS to 22 kHz,
All Selectable Sampling Frequencies)
*Guaranteed Not Tested.
Specifications subject to change without notice.
Units
Hz
dB
Hz
Hz
dB
µs
Max
0.022
–73
90
–80
–80
–80
–80
±5
± 0.5
50
Max
0.02
–74
90
±5
± 0.5
–80
–45
–70
AD1848K
Units
Bits
dB
%
dB
dB
dB
dB
dB
dB
%
dB
LSBs
Units
Bits
dB
%
dB
dB
%
dB
dB
dB
dB
REV. 0
–3–
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